簡介

本頁面提供了有關 George J Christ 已知的內部交易歷史的全面分析。內部人士包括公司的高管、董事或重要投資者。一般而言,基於內幕、非公開信息進行交易是非法的。這並不意味著他們在自己的公司進行任何交易都是非法的。但是,他們必須透過Form 4向美國證券交易委員會(SEC)報告所有交易。盡管存在這些限制,學術研究表明,內部人士 - 整體而言 - 在自己公司中的投資表現往往優於市場。

平均交易盈利能力

「平均交易盈利能力」衡量了內部人士在過去三年中所有非計劃性的公開市場購買交易的平均回報率。計算過程包括檢查每筆交易,排除了作為10b5-1交易計劃的一部分的交易。然後,對每筆交易在3、6和12個月的表現進行平均,以生成該筆交易最終的表現指標。最終,將所有交易的表現指標進行平均,計算出內部人士的總體平均表現指標。列表僅包含在過去兩年中進行過至少三筆交易的內部人士。

如果內部人士的交易盈利能力顯示為"N/A",則可能是因為該內部人士在過去三年內沒有進行任何公開市場購買交易,或者他們進行的交易距離現在太近,無法計算出可靠的表現指標。

更新頻率:每日

查看收益最高的的內幕交易者列表。

報告內部持倉的公司

SEC文件顯示George J Christ已報告在以下公司擁有持倉或進行了交易:

證券 職位 最新報告的持倉
US:ALTR / Altair Engineering Inc. 10% Owner 0
如何解讀這些圖表

以下圖表顯示了在George J Christ進行的每筆公開市場非計劃交易後證券的股價表現。非計劃交易是指沒有作為10b5-1交易計劃的一部分而進行的交易。股價表現以累積百分比變化的方式繪製。例如,如果一筆內部人士交易是在2019年1月1日進行的,該圖表將顯示該證券的每日百分比變化直至當前日期。如果在此期間股價從10美元漲至15美元,則股價的累積百分比變化將為50%。從10美元漲至20美元的價格變化將為100%,而從10美元跌至5美元的價格變化將為-50%。

最終,我們將評估內部人士的交易與股價的超額回報(正向或負向)之間的相關性,以判斷內部人士是否在交易中利用內部信息獲利。如果內部人士有這樣的行為,我們預期看到(a)購買後的正回報,或者(b)賣出後的負回報。對於情況(a),購買圖表將顯示一系列向上傾斜的曲線,表示每次購買後都有正回報。對於情況(b),賣出圖表將顯示一系列向下傾斜的曲線,表示每次賣出後都有負回報。

然而,僅憑這一點還不足以得出結論。例如,如果公司的股價在多年內呈現非周期性上升,我們會預期所有購買後的圖表都呈現向上傾斜。同樣地,多年來呈現非周期性下降的股價會導致賣出後的圖表也呈現向下傾斜。這兩種情況的圖表都不能表示內部人士在進行內幕交易。

最有力的指標是在公司股價呈極度循環波動的情況下,「購買」圖表顯示正向信號,而「賣出」圖表顯示負向趨勢。這種情況強烈暗示內部人士可能根據內幕信息精確地計時進行交易,以獲得財務優勢。

歷史內部人交易

該表格顯示了由 George J Christ 進行的所有內幕交易的完整列表,這些交易已向美國證券交易委員會(SEC)披露。

呈報日期 交易日期 表格 證券代碼 證券 代碼 10b5-1 股份 剩餘股份 %
變化
每股
股價
交易
金額
剩餘
金額
2025-03-26 2025-03-26 4 ALTR Altair Engineering Inc.
Class A Common Stock
D - Sale to Issuer -300,000 0 -100.00 113.00 -33,900,000
2025-03-26 2025-03-26 4 ALTR Altair Engineering Inc.
Class A Common Stock
D - Sale to Issuer -187,475 0 -100.00 113.00 -21,184,675
2025-03-26 2025-03-26 4 ALTR Altair Engineering Inc.
Class A Common Stock
D - Sale to Issuer -187,475 0 -100.00 113.00 -21,184,675
2024-10-25 2024-10-23 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -999 0 -100.00 109.13 -109,022
2024-10-25 2024-10-23 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -3,601 999 -78.28 108.29 -389,961 108,184
2024-10-25 2024-10-23 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -69,096 4,600 -93.76 107.08 -7,398,758 492,565
2024-10-25 2024-10-23 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -14,545 73,696 -16.48 106.50 -1,549,074 7,848,786
2024-10-25 2024-10-23 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -1,724 88,241 -1.92 104.49 -180,149 9,220,726
2024-10-25 2024-10-23 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -7,040 89,965 -7.26 103.02 -725,273 9,268,356
2024-10-25 2024-10-23 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -2,995 97,005 -3.00 101.92 -305,250 9,886,740
2024-10-15 2024-10-14 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -2,176 300,000 -0.72 95.31 -207,404 28,594,320
2024-10-15 2024-10-11 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -3,715 302,176 -1.21 96.15 -357,186 29,053,286
2024-10-15 2024-10-11 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -94,109 305,891 -23.53 95.20 -8,958,800 29,119,600
2024-10-10 2024-10-09 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -28,878 100,000 -22.41 96.22 -2,778,520 9,621,580
2024-10-10 2024-10-09 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -21,074 128,878 -14.05 95.05 -2,003,126 12,250,112
2024-09-30 2024-09-27 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -50,048 149,952 -25.02 95.07 -4,758,224 14,256,416
2024-06-28 2024-06-27 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -25,529 200,000 -11.32 99.19 -2,532,135 19,837,320
2024-06-28 2024-06-27 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -74,471 225,529 -24.82 98.13 -7,307,497 22,130,123
2024-06-18 2024-06-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 300,000 400,000 300.00
2024-06-18 2024-06-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 300,000 400,000 300.00
2024-06-13 2024-06-12 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -23,616 100,000 -19.10 97.59 -2,304,577 9,758,540
2024-06-13 2024-06-12 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -76,384 123,616 -38.19 97.12 -7,418,200 12,005,240
2024-06-13 2024-06-11 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -51,304 0 -100.00 92.77 -4,759,708
2024-06-13 2024-06-11 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -48,696 51,304 -48.70 92.19 -4,489,338 4,729,772
2024-05-22 2024-05-21 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -1,296 200,000 -0.64 90.86 -117,756 18,172,280
2024-05-22 2024-05-20 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -15,658 201,296 -7.22 92.20 -1,443,616 18,558,827
2024-05-22 2024-05-20 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -33,046 216,954 -13.22 91.49 -3,023,395 19,849,230
2024-05-20 2024-05-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -2,200 250,000 -0.87 91.16 -200,541 22,788,800
2024-05-20 2024-05-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -47,800 252,200 -15.93 90.32 -4,317,444 22,779,486
2024-05-09 2024-05-08 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -1,220 100,000 -1.21 85.71 -104,565 8,570,920
2024-05-09 2024-05-08 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -85,997 101,220 -45.93 85.11 -7,319,291 8,614,935
2024-04-11 2024-04-09 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -638 187,217 -0.34 86.57 -55,234 16,207,937
2024-04-11 2024-04-09 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -12,145 187,855 -6.07 85.81 -1,042,145 16,119,575
2024-04-01 2024-03-28 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -83,336 200,000 -29.41 85.99 -7,165,779 17,197,320
2024-03-28 2024-03-26 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -3,904 283,336 -1.36 85.42 -333,490 24,203,298
2024-03-26 2024-03-22 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -6,757 287,240 -2.30 87.04 -588,100 25,000,106
2024-03-26 2024-03-22 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -6,003 293,997 -2.00 86.34 -518,278 25,382,672
2024-03-25 2024-02-23 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 300,000 300,000
2024-03-25 2024-02-23 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 300,000 300,000
2024-01-25 2024-01-23 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -474 0 -100.00 88.23 -41,823
2024-01-25 2024-01-23 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -99,526 474 -99.53 87.32 -8,690,302 41,388
2024-01-25 2024-01-23 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 100,000 100,000
2023-12-11 2023-12-08 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -4,564 0 -100.00 71.58 -326,688
2023-12-11 2023-12-08 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 4,564 4,564
2023-12-08 2023-12-06 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -900 0 -100.00 72.84 -65,555
2023-12-08 2023-12-06 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -13,511 900 -93.75 72.00 -972,811 64,801
2023-12-08 2023-12-06 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 14,411 14,411
2023-12-05 2023-12-01 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -45,766 0 -100.00 72.79 -3,331,165
2023-12-05 2023-12-01 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 45,766 45,766
2023-12-01 2023-11-30 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -1,128 0 -100.00 72.65 -81,949
2023-12-01 2023-11-30 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 1,128 1,128
2023-12-01 2023-11-29 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -100 0 -100.00 73.84 -7,384
2023-12-01 2023-11-29 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -25,454 100 -99.61 73.10 -1,860,654 7,310
2023-12-01 2023-11-29 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 25,554 25,554
2023-11-22 2023-11-21 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -633 0 -100.00 73.73 -46,670
2023-11-22 2023-11-21 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -7,944 633 -92.62 73.04 -580,259 46,237
2023-11-22 2023-11-21 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 8,577 8,577
2023-11-22 2023-11-20 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -33,410 0 -100.00 74.17 -2,477,983
2023-11-22 2023-11-20 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -66,590 33,410 -66.59 73.91 -4,921,753 2,469,377
2023-11-22 2023-11-20 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 100,000 100,000
2023-07-20 2023-07-19 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -30,661 0 -100.00 74.96 -2,298,502
2023-07-20 2023-07-19 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -69,339 30,661 -69.34 74.18 -5,143,706 2,274,494
2023-07-20 2023-07-19 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 100,000 100,000
2023-06-07 2023-06-06 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -146 0 -100.00 74.96 -10,945
2023-06-07 2023-06-06 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -99,854 146 -99.85 74.42 -7,431,235 10,865
2023-06-07 2023-06-06 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 100,000 100,000
2023-04-17 2023-04-14 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -9,167 0 -100.00 71.78 -658,007
2023-04-17 2023-04-14 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -40,833 9,167 -81.67 70.98 -2,898,490 650,710
2023-04-17 2023-04-14 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 50,000 50,000
2023-04-17 2023-04-13 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -50,000 0 -100.00 71.34 -3,566,900
2023-04-17 2023-04-13 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 50,000 50,000
2023-04-12 2023-04-11 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -50,000 0 -100.00 70.50 -3,525,200
2023-04-12 2023-04-11 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 50,000 50,000
2023-04-10 2023-04-06 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -50,000 0 -100.00 70.49 -3,524,550
2023-04-10 2023-04-06 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 50,000 50,000
2023-03-16 2023-03-14 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -15,430 0 -100.00 66.37 -1,024,058
2023-03-16 2023-03-14 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -34,752 15,430 -69.25 65.86 -2,288,906 1,016,282
2023-03-16 2023-03-14 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 50,182 50,182
2023-03-14 2023-03-10 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -49,818 0 -100.00 64.76 -3,226,463
2023-03-14 2023-03-10 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 49,818 49,818
2021-12-27 2021-12-23 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -56,513 5,581,778 -1.00
2021-12-27 2021-12-23 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -4,666 0 -100.00 74.58 -348,000
2021-12-27 2021-12-23 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -51,847 4,666 -91.74 73.66 -3,819,309 343,721
2021-12-27 2021-12-23 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 56,513 56,513
2021-12-17 2021-12-16 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -800 5,638,291 -0.01
2021-12-17 2021-12-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -800 0 -100.00 72.94 -58,349
2021-12-17 2021-12-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 800 800
2021-12-15 2021-12-13 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -42,687 5,639,091 -0.75
2021-12-15 2021-12-13 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -42,687 0 -100.00 73.71 -3,146,459
2021-12-15 2021-12-13 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 42,687 42,687
2021-11-05 2021-11-04 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -14,994 5,681,778 -0.26
2021-11-05 2021-11-04 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -8,603 0 -100.00 79.37 -682,846
2021-11-05 2021-11-04 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -6,391 8,603 -42.62 78.40 -501,074 674,501
2021-11-05 2021-11-04 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 14,994 14,994
2021-11-05 2021-11-03 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -85,006 5,696,772 -1.47
2021-11-05 2021-11-03 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -85,006 0 -100.00 77.78 -6,611,342
2021-11-05 2021-11-03 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 85,006 85,006
2021-10-15 2021-10-14 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -66,845 5,781,778 -1.14
2021-10-15 2021-10-14 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -5,055 0 -100.00 73.66 -372,377
2021-10-15 2021-10-14 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -61,790 5,055 -92.44 73.04 -4,512,956 369,202
2021-10-15 2021-10-14 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 66,845 66,845
2021-10-12 2021-10-07 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -33,155 5,848,623 -0.56
2021-10-12 2021-10-07 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -33,155 0 -100.00 72.16 -2,392,465
2021-10-12 2021-10-07 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 33,155 33,155
2021-09-27 2021-09-24 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -374,950 5,881,778 -5.99
2021-09-27 2021-09-24 4 ALTR Altair Engineering Inc.
Class A Common Stock
G - Gift -187,475 0 -100.00
2021-09-27 2021-09-24 4 ALTR Altair Engineering Inc.
Class A Common Stock
G - Gift -187,475 0 -100.00
2021-09-27 2021-09-24 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 374,950 374,950
2021-09-03 2021-09-02 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -50,000 6,256,728 -0.79
2021-09-03 2021-09-02 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -50,000 0 -100.00 74.81 -3,740,300
2021-09-03 2021-09-02 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 50,000 50,000
2021-09-03 2021-09-01 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -50,000 6,306,728 -0.79
2021-09-03 2021-09-01 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -50,000 0 -100.00 75.31 -3,765,300
2021-09-03 2021-09-01 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 50,000 50,000
2021-08-13 2021-08-12 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -55,486 6,356,728 -0.87
2021-08-13 2021-08-12 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -55,486 0 -100.00 71.06 -3,942,613
2021-08-13 2021-08-12 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 55,486 55,486
2021-08-12 2021-08-11 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -44,514 6,412,214 -0.69
2021-08-12 2021-08-11 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -44,514 0 -100.00 70.76 -3,149,633
2021-08-12 2021-08-11 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 44,514 44,514
2021-07-26 2021-07-23 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -35,465 6,456,728 -0.55
2021-07-26 2021-07-23 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -35,465 0 -100.00 68.00 -2,411,620
2021-07-26 2021-07-23 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 35,465 35,465
2021-07-08 2021-07-06 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -64,535 6,492,193 -0.98
2021-07-08 2021-07-06 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -900 0 -100.00 71.56 -64,404
2021-07-08 2021-07-06 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -63,635 900 -98.61 70.91 -4,512,421 63,820
2021-07-08 2021-07-06 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 64,535 64,535
2021-06-09 2021-06-08 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -35,570 6,556,728 -0.54
2021-06-09 2021-06-08 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -35,570 0 -100.00 65.98 -2,346,944
2021-06-09 2021-06-08 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 35,570 35,570
2021-06-08 2021-06-04 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -64,430 6,592,298 -0.97
2021-06-08 2021-06-04 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -340 0 -100.00 66.53 -22,620
2021-06-08 2021-06-04 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -64,090 340 -99.47 65.78 -4,215,584 22,364
2021-06-08 2021-06-04 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 64,430 64,430
2021-05-10 2021-05-07 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -100,000 6,656,728 -1.48
2021-05-10 2021-05-07 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -195 0 -100.00 67.37 -13,137
2021-05-10 2021-05-07 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -1,685 195 -89.63 66.50 -112,044 12,967
2021-05-10 2021-05-07 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -98,120 1,880 -98.12 65.44 -6,421,365 123,035
2021-05-10 2021-05-07 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 100,000 100,000
2021-04-15 2021-04-14 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -15,886 6,756,728 -0.23
2021-04-15 2021-04-14 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -318 0 -100.00 64.84 -20,619
2021-04-15 2021-04-14 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -15,568 318 -98.00 64.31 -1,001,240 20,452
2021-04-15 2021-04-14 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 15,886 15,886
2021-04-14 2021-04-13 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -45,207 6,772,614 -0.66
2021-04-14 2021-04-13 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -45,207 0 -100.00 63.91 -2,889,270
2021-04-14 2021-04-13 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 45,207 45,207
2021-04-14 2021-04-12 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -38,907 6,817,821 -0.57
2021-04-14 2021-04-12 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -38,907 0 -100.00 64.09 -2,493,511
2021-04-14 2021-04-12 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 38,907 38,907
2021-03-18 2021-03-17 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -100,000 6,856,728 -1.44
2021-03-18 2021-03-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -750 0 -100.00 61.02 -45,766
2021-03-18 2021-03-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -99,250 750 -99.25 60.39 -5,994,104 45,296
2021-03-18 2021-03-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 100,000 100,000
2021-02-10 2021-02-09 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -100,000 6,956,728 -1.42
2021-02-10 2021-02-09 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -2,480 0 -100.00 66.38 -164,630
2021-02-10 2021-02-09 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -97,520 2,480 -97.52 65.71 -6,408,234 162,966
2021-02-10 2021-02-09 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 100,000 100,000
2021-01-13 2021-01-12 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -50,000 7,056,728 -0.70
2021-01-13 2021-01-12 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -10,207 0 -100.00 63.01 -643,102
2021-01-13 2021-01-12 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -39,793 10,207 -79.59 62.46 -2,485,272 637,478
2021-01-13 2021-01-12 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 50,000 50,000
2021-01-13 2021-01-11 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -50,000 7,106,728 -0.70
2021-01-13 2021-01-11 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -50,000 0 -100.00 60.05 -3,002,550
2021-01-13 2021-01-11 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 50,000 50,000
2020-12-08 2020-12-04 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -36,052 7,156,728 -0.50
2020-12-08 2020-12-04 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -36,052 0 -100.00 52.96 -1,909,170
2020-12-08 2020-12-04 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 36,052 36,052
2020-12-04 2020-12-03 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -53,948 7,192,780 -0.74
2020-12-04 2020-12-03 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -8,946 0 -100.00 53.59 -479,443
2020-12-04 2020-12-03 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -45,002 8,946 -83.42 53.05 -2,387,491 474,612
2020-12-04 2020-12-03 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 53,948 53,948
2020-12-04 2020-12-02 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -10,000 7,246,728 -0.14
2020-12-04 2020-12-02 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -10,000 0 -100.00 51.56 -515,570
2020-12-04 2020-12-02 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 10,000 10,000
2020-11-12 2020-11-10 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -100,000 7,256,728 -1.36
2020-11-12 2020-11-10 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -13,164 0 -100.00 49.15 -647,037
2020-11-12 2020-11-10 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -86,836 13,164 -86.84 48.55 -4,216,148 639,152
2020-11-12 2020-11-10 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 100,000 100,000
2020-10-13 2020-10-12 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -14,165 7,356,728 -0.19
2020-10-13 2020-10-12 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -14,165 0 -100.00 45.87 -649,706
2020-10-13 2020-10-12 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 14,165 14,165
2020-10-13 2020-10-09 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -31,015 7,370,893 -0.42
2020-10-13 2020-10-09 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -31,015 0 -100.00 45.25 -1,403,305
2020-10-13 2020-10-09 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 31,015 31,015
2020-10-09 2020-10-08 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -17,485 7,401,908 -0.24
2020-10-09 2020-10-08 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -17,485 0 -100.00 44.90 -785,007
2020-10-09 2020-10-08 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 17,485 17,485
2020-10-09 2020-10-07 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -37,335 7,419,393 -0.50
2020-10-09 2020-10-07 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -1,258 0 -100.00 46.04 -57,915
2020-10-09 2020-10-07 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -36,077 1,258 -96.63 45.20 -1,630,608 56,859
2020-10-09 2020-10-07 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 37,335 37,335
2020-09-02 2020-09-01 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -50,000 7,456,728 -0.67
2020-09-02 2020-09-01 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -50,000 0 -100.00 42.97 -2,148,600
2020-09-02 2020-09-01 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 50,000 50,000
2020-09-02 2020-08-31 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -50,000 7,506,728 -0.66
2020-09-02 2020-08-31 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -50,000 0 -100.00 42.34 -2,116,750
2020-09-02 2020-08-31 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 50,000 50,000
2020-07-23 2020-07-21 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -50,000 7,556,728 -0.66
2020-07-23 2020-07-21 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -50,000 0 -100.00 39.31 -1,965,600
2020-07-23 2020-07-21 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 50,000 50,000
2020-07-21 2020-07-20 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -50,000 7,606,728 -0.65
2020-07-21 2020-07-20 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -50,000 0 -100.00 39.29 -1,964,350
2020-07-21 2020-07-20 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 50,000 50,000
2020-06-03 2020-06-02 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -50,407 7,656,728 -0.65
2020-06-03 2020-06-02 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -50,407 0 -100.00 38.91 -1,961,185
2020-06-03 2020-06-02 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 50,407 50,407
2020-06-02 2020-06-01 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -29,593 7,707,135 -0.38
2020-06-02 2020-06-01 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -29,593 0 -100.00 39.13 -1,158,004
2020-06-02 2020-06-01 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 29,593 29,593
2020-02-21 2020-02-19 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -80,000 7,736,728 -1.02
2020-02-21 2020-02-19 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -80,000 0 -100.00 38.26 -3,060,560
2020-02-21 2020-02-19 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 80,000 80,000
2019-12-19 2019-12-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -1,900 0 -100.00 34.12 -64,828
2019-12-19 2019-12-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -78,100 1,900 -97.62 34.84 -2,721,004 66,196
2019-12-19 2019-12-17 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -80,000 7,816,728 -1.01
2019-12-19 2019-12-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 80,000 80,000
2019-10-23 2019-10-21 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -69,806 7,896,728 -0.88
2019-10-23 2019-10-21 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -69,806 0 -100.00 34.50 -2,408,237
2019-10-23 2019-10-21 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 69,806 69,806
2019-10-22 2019-10-18 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -20,194 7,966,534 -0.25
2019-10-22 2019-10-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -20,194 0 -100.00 34.05 -687,606
2019-10-22 2019-10-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 20,194 20,194
2019-08-05 2019-08-02 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -32,765 4,944,004 -0.66
2019-08-05 2019-08-02 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -61,136 7,986,728 -0.76
2019-08-05 2019-08-02 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -32,765 0 -100.00 40.42 -1,324,361
2019-08-05 2019-08-02 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 32,765 32,765
2019-08-05 2019-08-02 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -61,136 0 -100.00 40.47 -2,474,174
2019-08-05 2019-08-02 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 61,136 61,136
2019-08-05 2019-08-01 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -7,235 4,976,769 -0.15
2019-08-05 2019-08-01 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -18,864 8,047,864 -0.23
2019-08-05 2019-08-01 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -7,235 0 -100.00 41.37 -299,319
2019-08-05 2019-08-01 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 7,235 7,235
2019-08-05 2019-08-01 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -18,864 0 -100.00 41.40 -781,045
2019-08-05 2019-08-01 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 18,864 18,864
2019-07-16 2019-07-12 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -6,989 4,984,004 -0.14
2019-07-16 2019-07-12 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -20,425 8,066,728 -0.25
2019-07-16 2019-07-12 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -6,989 0 -100.00 41.44 -289,617
2019-07-16 2019-07-12 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 6,989 6,989
2019-07-16 2019-07-12 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -20,425 0 -100.00 41.35 -844,553
2019-07-16 2019-07-12 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 20,425 20,425
2019-07-15 2019-07-11 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -12,935 4,990,993 -0.26
2019-07-15 2019-07-11 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -22,725 8,087,153 -0.28
2019-07-15 2019-07-11 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -12,935 0 -100.00 42.22 -546,051
2019-07-15 2019-07-11 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 12,935 12,935
2019-07-15 2019-07-11 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -22,725 0 -100.00 42.25 -960,109
2019-07-15 2019-07-11 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 22,725 22,725
2019-07-12 2019-07-10 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -20,076 5,003,928 -0.40
2019-07-12 2019-07-10 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -36,850 8,109,878 -0.45
2019-07-12 2019-07-10 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -20,076 0 -100.00 42.21 -847,368
2019-07-12 2019-07-10 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 20,076 20,076
2019-07-12 2019-07-10 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -36,850 0 -100.00 42.22 -1,555,770
2019-07-12 2019-07-10 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 36,850 36,850
2018-06-11 2018-06-11 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -200,000 5,024,004 -3.83
2018-06-11 2018-06-11 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -400,000 8,146,728 -4.68
2018-06-11 2018-06-11 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -200,000 0 -100.00 33.42 -6,685,000
2018-06-11 2018-06-11 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 200,000 200,000
2018-06-11 2018-06-11 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -400,000 0 -100.00 33.42 -13,370,000
2018-06-11 2018-06-11 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 400,000 400,000
2018-06-11 2017-11-03 4/A ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -1,200,000 5,224,004 -18.68
2018-06-11 2017-11-03 4/A ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -800,000 8,546,728 -8.56
2018-06-11 2017-11-03 4/A ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -1,200,000 0 -100.00 12.09 -14,508,000
2018-06-11 2017-11-03 4/A ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 1,200,000 1,200,000
2018-06-11 2017-11-03 4/A ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -800,000 0 -100.00 12.09 -9,672,000
2018-06-11 2017-11-03 4/A ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 800,000 800,000
2017-11-03 2017-11-03 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -800,000 5,624,004 -12.45
2017-11-03 2017-11-03 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -1,200,000 8,146,728 -12.84
2017-11-03 2017-11-03 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -800,000 0 -100.00 12.09 -9,672,000
2017-11-03 2017-11-03 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 800,000 800,000
2017-11-03 2017-11-03 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -1,200,000 0 -100.00 12.09 -14,508,000
2017-11-03 2017-11-03 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 1,200,000 1,200,000
P
非衍生或衍生證券的公開市場或私下買入
S
非衍生或衍生證券的公開市場或私下賣出
A
公司向內部人員授予、獎勵或以其他方式獲取證券(例如股票期權)
C
衍生工具轉換
D
將證券賣出或轉讓回公司
F
使用從公司收到的證券的一部分來支付行使價或稅務負擔。
G
內部人士贈送或接收他人贈送公司股票
K
股權掉期和類似的避險交易
M
行使或轉換從公司獲得的衍生證券(例如期權)
V
內部人士透過Form 4自願報告的一筆交易
J
其他(附有交易描述的腳註)