簡介

本頁面提供了有關 David Dantzker 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David Dantzker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:SRDX / Surmodics, Inc. Director 0
如何解讀這些圖表

以下圖表顯示了在David Dantzker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 David Dantzker 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
2025-11-19 2025-11-19 4 SRDX SURMODICS INC
Common Stock
D - Sale to Issuer -40,183 0 -100.00
2025-02-18 2025-02-13 4 SRDX SURMODICS INC
Common Stock
F - Taxes -4,216 40,183 -9.50 34.16 -144,019 1,372,651
2025-02-18 2025-02-13 4 SRDX SURMODICS INC
Common Stock
M - Exercise 5,275 44,399 13.48 27.30 144,008 1,212,093
2024-02-12 2024-02-08 4 SRDX SURMODICS INC
Common Stock
A - Award 1,803 39,124 4.83
2024-01-23 2024-01-19 4 SRDX SURMODICS INC
Common Stock
F - Taxes -2,773 37,321 -6.92 33.97 -94,199 1,267,794
2024-01-23 2024-01-19 4 SRDX SURMODICS INC
Common Stock
M - Exercise 3,932 40,094 10.87 23.95 94,171 960,251
2023-02-13 2023-02-09 4 SRDX SURMODICS INC
Common Stock
A - Award 1,984 36,162 5.80
2022-11-15 2022-11-14 4 SRDX SURMODICS INC
Common Stock
S - Sale -2,773 34,178 -7.50 33.00 -91,507 1,127,843
2022-11-15 2022-11-14 4 SRDX SURMODICS INC
Common Stock
M - Exercise 4,366 36,951 13.40 20.18 88,106 745,671
2022-02-14 2022-02-10 4 SRDX SURMODICS INC
Stock Option (right to buy)
A - Award 3,555 3,555
2022-02-14 2022-02-10 4 SRDX SURMODICS INC
Common Stock
A - Award 1,375 32,585 4.41
2022-01-04 2021-12-31 4 SRDX SURMODICS INC
Common Stock
A - Award 389 31,210 1.26 48.15 18,730 1,502,762
2021-11-29 2021-11-24 4 SRDX SURMODICS INC
Common Stock
S - Sale -3,475 30,821 -10.13 47.01 -163,360 1,448,895
2021-11-08 2021-11-03 4 SRDX SURMODICS INC
Stock Option (right to buy)
M - Exercise -5,576 0 -100.00
2021-11-08 2021-11-03 4 SRDX SURMODICS INC
Common Stock
F - Taxes -2,101 34,296 -5.77 56.56 -118,833 1,939,782
2021-11-08 2021-11-03 4 SRDX SURMODICS INC
Common Stock
M - Exercise 5,576 36,397 18.09 21.31 118,825 775,620
2021-10-04 2021-09-30 4 SRDX SURMODICS INC
Common Stock
A - Award 337 30,821 1.11 55.60 18,737 1,713,648
2021-07-02 2021-06-30 4 SRDX SURMODICS INC
Common Stock
A - Award 345 30,484 1.14 54.25 18,716 1,653,757
2021-03-31 2021-03-31 4 SRDX SURMODICS INC
Common Stock
A - Award 334 30,139 1.12 56.07 18,727 1,689,894
2021-02-16 2021-02-11 4 SRDX SURMODICS INC
Stock Option (right to buy)
A - Award 2,964 2,964
2021-02-16 2021-02-11 4 SRDX SURMODICS INC
Common Stock
A - Award 1,067 29,805 3.71
2021-01-04 2020-12-31 4 SRDX SURMODICS INC
Common Stock
A - Award 430 28,738 1.52 43.52 18,714 1,250,678
2021-01-04 2020-11-18 4/A SRDX SURMODICS INC
Common Stock
F - Taxes -2,163 28,308 -7.10 37.33 -80,745 1,056,738
2021-01-04 2020-11-18 4/A SRDX SURMODICS INC
Common Stock
M - Exercise 3,575 30,471 13.29 22.58 80,724 688,035
2020-11-13 2020-11-10 4 SRDX SURMODICS INC
Stock Option (right to buy)
M - Exercise -3,575 0 -100.00
2020-11-13 2020-11-10 4 SRDX SURMODICS INC
Common Stock
F - Taxes -2,095 28,376 -6.88 38.54 -80,741 1,093,611
2020-11-13 2020-11-10 4 SRDX SURMODICS INC
Common Stock
M - Exercise 3,575 30,471 13.29 22.58 80,724 688,035
2020-10-02 2020-09-30 4 SRDX SURMODICS INC
Common Stock
A - Award 417 26,896 1.57 38.91 16,225 1,046,523
2020-07-02 2020-06-30 4 SRDX SURMODICS INC
Common Stock
A - Award 375 26,479 1.44 43.24 16,215 1,144,952
2020-04-02 2020-03-31 4 SRDX SURMODICS INC
Common Stock
A - Award 487 26,104 1.90 33.32 16,227 869,785
2020-02-18 2020-02-13 4 SRDX SURMODICS INC
Stock Option (right to buy)
A - Award 4,218 4,218
2020-02-18 2020-02-13 4 SRDX SURMODICS INC
Common Stock
A - Award 1,452 25,617 6.01
2020-01-03 2019-12-31 4 SRDX SURMODICS INC
Common Stock
A - Award 392 24,165 1.65 41.43 16,241 1,001,156
2019-11-27 2019-11-25 4 SRDX SURMODICS INC
Stock Option (right to buy)
M - Exercise -3,537 0 -100.00
2019-11-27 2019-11-25 4 SRDX SURMODICS INC
Common Stock
F - Taxes -1,716 23,773 -6.73 42.00 -72,072 998,466
2019-11-27 2019-11-25 4 SRDX SURMODICS INC
Common Stock
M - Exercise 3,537 25,489 16.11 20.37 72,049 519,211
2019-10-02 2019-09-30 4 SRDX SURMODICS INC
Common Stock
A - Award 306 21,952 1.41 45.74 13,996 1,004,084
2019-07-02 2019-06-28 4 SRDX SURMODICS INC
Common Stock
A - Award 324 21,646 1.52 43.17 13,987 934,458
2019-04-02 2019-03-29 4 SRDX SURMODICS INC
Common Stock
A - Award 321 21,322 1.53 43.48 13,957 927,081
2019-02-15 2019-02-13 4 SRDX SURMODICS INC
Stock Option (right to buy)
A - Award 2,605 2,605
2019-02-15 2019-02-13 4 SRDX SURMODICS INC
Common Stock
A - Award 859 21,001 4.26
2019-01-03 2018-12-31 4 SRDX SURMODICS INC
Common Stock
A - Award 296 20,142 1.49 47.26 13,989 951,911
2018-10-02 2018-09-28 4 SRDX SURMODICS INC
Common Stock
A - Award 187 19,846 0.95 74.65 13,960 1,481,504
2018-07-03 2018-06-30 4 SRDX SURMODICS INC
Common Stock
A - Award 253 19,659 1.30 55.20 13,966 1,085,177
2018-04-03 2018-03-30 4 SRDX SURMODICS INC
Common Stock
A - Award 367 19,406 1.93 38.05 13,964 738,398
2018-02-22 2018-02-20 4 SRDX SURMODICS INC
Stock Option (right to buy)
A - Award 5,275 5,275
2018-02-22 2018-02-20 4 SRDX SURMODICS INC
Common Stock
A - Award 1,739 19,039 10.05
2018-01-03 2017-12-29 4 SRDX SURMODICS INC
Common Stock
A - Award 500 17,300 2.98 28.00 14,000 484,400
2017-10-03 2017-09-30 4 SRDX SURMODICS INC
Common Stock
A - Award 411 16,800 2.51 31.00 12,741 520,800
2017-07-05 2017-06-30 4 SRDX SURMODICS INC
Common Stock
A - Award 452 16,389 2.84 28.15 12,724 461,350
2017-04-04 2017-03-31 4 SRDX SURMODICS INC
Common Stock
A - Award 530 15,937 3.44 24.05 12,746 383,285
2017-02-16 2017-02-14 4 SRDX SURMODICS INC
Stock Option (right to buy)
A - Award 3,932 3,932
2017-02-16 2017-02-14 4 SRDX SURMODICS INC
Common Stock
A - Award 1,252 15,407 8.84
2017-01-04 2016-12-30 4 SRDX SURMODICS INC
Common Stock
A - Award 501 14,155 3.67 25.40 12,725 359,537
2016-10-04 2016-09-30 4 SRDX SURMODICS INC
Common Stock
A - Award 423 13,654 3.20 30.09 12,728 410,849
2016-07-05 2016-06-30 4 SRDX SURMODICS INC
Common Stock
A - Award 543 13,231 4.28 23.48 12,750 310,664
2016-04-04 2016-03-31 4 SRDX SURMODICS INC
Common Stock
A - Award 642 12,688 5.33 18.41 11,819 233,586
2016-01-05 2015-12-31 4 SRDX SURMODICS INC
Common Stock
A - Award 542 12,046 4.71 20.27 10,986 244,172
2015-12-22 2015-12-18 4 SRDX SURMODICS INC
Stock Option (right to buy)
A - Award 4,366 4,366
2015-12-22 2015-12-18 4 SRDX SURMODICS INC
Common Stock
A - Award 1,486 11,504 14.83
2015-10-02 2015-09-30 4 SRDX SURMODICS INC
Common Stock
A - Award 492 10,018 5.16 21.84 10,745 218,793
2015-07-02 2015-06-30 4 SRDX SURMODICS INC
Common Stock
A - Award 459 9,526 5.06 23.42 10,750 223,099
2015-05-13 2015-05-11 4 SRDX SURMODICS INC
Common Stock
S - Sale -11,662 9,067 -56.26 24.75 -288,662 224,430
2015-04-02 2015-03-31 4 SRDX SURMODICS INC
Common Stock
A - Award 413 20,730 2.03 26.02 10,746 539,395
2015-03-05 2015-03-03 4 SRDX SURMODICS INC
Employee stock option (right to buy)
M - Exercise -10,496 0 -100.00
2015-03-05 2015-03-03 4 SRDX SURMODICS INC
Employee Stock Option (right to buy)
M - Exercise -12,528 0 -100.00
2015-03-05 2015-03-03 4 SRDX SURMODICS INC
Common Stock
F - Taxes -11,362 20,317 -35.87 24.38 -277,006 495,328
2015-03-05 2015-03-03 4 SRDX SURMODICS INC
Common Stock
M - Exercise 10,496 31,679 49.55 12.40 130,150 392,820
2015-03-05 2015-03-03 4 SRDX SURMODICS INC
Common Stock
M - Exercise 12,528 21,183 144.75 11.72 146,828 248,265
2015-01-05 2014-12-31 4 SRDX SURMODICS INC
Common Stock
A - Award 486 8,655 5.95 22.10 10,741 191,276
2014-12-05 2014-12-03 4 SRDX SURMODICS INC
Employee Stock Option (right to buy)
A - Award 5,576 5,576
2014-12-05 2014-12-03 4 SRDX SURMODICS INC
Common Stock
A - Award 1,407 8,169 20.81
2014-10-02 2014-09-30 4 SRDX SURMODICS INC
Common Stock
A - Award 591 6,762 9.58 18.16 10,733 122,798
2014-07-01 2014-06-30 4 SRDX SURMODICS INC
Common Stock
A - Award 501 6,171 8.84 21.42 10,731 132,183
2014-05-09 2014-03-31 4 SRDX SURMODICS INC
Common Stock
A - Award 484 5,670 9.33 22.60 10,938 128,142
2014-05-09 2013-12-31 4 SRDX SURMODICS INC
Common Stock
A - Award 456 5,186 9.64 24.39 11,122 126,487
2014-05-09 2013-11-18 4/A SRDX SURMODICS INC
Common Stock
A - Award 1,328 4,730 39.04
2014-05-09 2013-09-30 4/A SRDX SURMODICS INC
Common Stock
A - Award 467 3,402 15.91 23.78 11,105 80,900
2014-05-09 2013-06-30 4/A SRDX SURMODICS INC
Common Stock
A - Award 555 2,935 23.32 20.01 11,106 58,729
2014-05-09 2013-03-31 4/A SRDX SURMODICS INC
Common Stock
A - Award 408 2,380 20.69 27.25 11,118 64,855
2013-11-20 2013-11-18 4 SRDX SURMODICS INC
Stock Option (right to buy)
A - Award 3,575 3,575
2013-11-20 2013-11-18 4 SRDX SURMODICS INC
Common Stock
A - Award 1,328 4,730 39.04
2012-12-14 2012-12-12 4 SRDX SURMODICS INC
Stock Option (Right to Buy)
A - Award 3,537 3,537
2012-12-14 2012-12-12 4 SRDX SURMODICS INC
Common Stock
A - Award 1,472 1,972 294.40
2011-01-07 2011-01-05 4 SRDX SURMODICS INC
Stock Option (Right to Buy)
A - Award 12,528 12,528
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)