安法斯塔製藥公司
US ˙ NasdaqGS ˙ US03209R1032

簡介

本頁面提供了有關 Michael A Zasloff 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Michael A Zasloff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:AMPH / Amphastar Pharmaceuticals, Inc. Director 37,667
如何解讀這些圖表

以下圖表顯示了在Michael A Zasloff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。

AMPH / Amphastar Pharmaceuticals, Inc.內部人士買入 - 短期收益分析

在這一部分,我們分析了在 AMPH / Amphastar Pharmaceuticals, Inc. 中進行的每筆非計劃的公開市場內部人士購買的盈利情況。這種分析有助於了解內部人士是否持續產生異常的回報,以及是否值得跟踪。該分析基於每筆交易後一年的情況,結果僅為理論值

以下表格顯示了最近的自動交易計劃之外的公開市場購買。

交易日期 證券代碼 內部人士 報告
股數
Reported
價格
經調整
股數
經調整
價格
成本基礎 達到最高利潤的
天數
達到最高利潤時的
價格
最高
淨利 ($)
最高回報率(%)
2014-08-19 AMPH ZASLOFF MICHAEL A 3,500 9.9999 3,500 9.9999 35,000 310 18.1900 28,666 81.91

經調整價格 已按拆股調整。經調整股數 已按拆股調整。

AMPH / Amphastar Pharmaceuticals, Inc. Insider Trades
AMPH / Amphastar Pharmaceuticals, Inc.內部人士賣出 - 短期虧損分析

在這一部分,我們分析了在 AMPH / Amphastar Pharmaceuticals, Inc. 中進行的每筆非計劃的公開市場內部人士賣出所達成的短期虧損規避。如果存在持續的虧損規避模式,可能表明未來的內部人士賣出交易預示著價格的下跌。該分析基於每筆交易後一年的情況,

以下表格顯示了最近的自動交易計劃之外的公開市場購買。

交易日期 證券代碼 內部人士 報告
股數
Reported
價格
經調整
股數
經調整
價格
成本基礎 達到最低利潤的
天數
達到最低利潤時的
價格
避免的
最高損失金額($)
避免的
最高損失率($)
2024-03-05 AMPH ZASLOFF MICHAEL A 9,389 47.0626 9,389 47.0626 441,871 363 27.5200 -183,485 -41.52
2024-03-05 AMPH ZASLOFF MICHAEL A 3,111 47.5260 3,111 47.5260 147,853
2023-08-15 AMPH ZASLOFF MICHAEL A 12,759 57.2165 12,759 57.2165 730,025
2023-05-15 AMPH ZASLOFF MICHAEL A 7,500 42.1780 7,500 42.1780 316,335
2022-05-16 AMPH ZASLOFF MICHAEL A 10,291 35.6136 10,291 35.6136 366,500
2022-03-16 AMPH ZASLOFF MICHAEL A 10,000 33.7069 10,000 33.7069 337,069
2021-05-13 AMPH ZASLOFF MICHAEL A 25,827 19.3377 25,827 19.3377 499,435
2020-05-15 AMPH ZASLOFF MICHAEL A 22,950 18.0253 22,950 18.0253 413,681
2020-05-14 AMPH ZASLOFF MICHAEL A 14,832 18.0000 14,832 18.0000 266,976
2020-05-12 AMPH ZASLOFF MICHAEL A 10,000 19.0000 10,000 19.0000 190,000
2018-11-14 AMPH ZASLOFF MICHAEL A 29,278 20.3890 29,278 20.3890 596,949
2018-06-12 AMPH ZASLOFF MICHAEL A 15,000 16.5228 15,000 16.5228 247,842
2017-06-01 AMPH ZASLOFF MICHAEL A 15,000 17.0134 15,000 17.0134 255,201
2016-08-15 AMPH ZASLOFF MICHAEL A 17,400 18.2168 17,400 18.2168 316,972
2016-08-12 AMPH ZASLOFF MICHAEL A 30,975 18.1157 30,975 18.1157 561,134

經調整價格 已按拆股調整。經調整股數 已按拆股調整。

AMPH / Amphastar Pharmaceuticals, Inc. Insider Trades
歷史內部人交易

該表格顯示了由 Michael A Zasloff 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
2026-06-03 2026-06-01 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 8,143 37,667 27.58
2025-06-04 2025-06-02 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 5,122 29,524 20.99
2024-06-05 2024-06-03 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 3,076 24,402 14.42
2024-03-06 2024-03-05 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -3,111 21,326 -12.73 47.53 -147,853 1,013,539
2024-03-06 2024-03-05 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -9,389 24,437 -27.76 47.06 -441,871 1,150,069
2023-08-16 2023-08-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -12,759 33,826 -27.39 57.22 -730,025 1,935,405
2023-06-07 2023-06-05 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 2,716 46,585 6.19
2023-05-16 2023-05-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -7,500 43,869 -14.60 42.18 -316,335 1,850,307
2022-06-14 2022-06-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 4,163 51,369 8.82
2022-05-17 2022-05-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Stock Option (right to buy)
M - Exercise -10,291 0 -100.00
2022-05-17 2022-05-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -10,291 47,206 -17.90 35.61 -366,500 1,681,176
2022-05-17 2022-05-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 10,291 57,497 21.80 17.11 176,079 983,774
2022-03-17 2022-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Stock Option (right to buy)
M - Exercise -10,000 10,291 -49.28
2022-03-17 2022-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -10,000 47,206 -17.48 33.71 -337,069 1,591,168
2022-03-17 2022-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 10,000 57,206 21.18 17.11 171,100 978,795
2021-06-08 2021-06-07 4 AMPH Amphastar Pharmaceuticals, Inc.
Stock Option (right to buy)
A - Award 17,182 17,182
2021-06-08 2021-06-07 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 6,019 47,206 14.61
2021-05-14 2021-05-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Stock Option (right to buy)
M - Exercise -25,827 0 -100.00
2021-05-14 2021-05-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -25,827 41,187 -38.54 19.34 -499,435 796,462
2021-05-14 2021-05-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 25,827 67,014 62.71 16.43 424,338 1,101,040
2020-06-09 2020-06-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Stock Option (right to buy)
A - Award 16,004 16,004
2020-06-09 2020-06-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 5,851 41,187 16.56
2020-05-18 2020-05-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Stock Option (right to buy)
M - Exercise -22,950 0 -100.00
2020-05-18 2020-05-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -22,950 35,336 -39.37 18.03 -413,681 636,942
2020-05-18 2020-05-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 22,950 58,286 64.95 15.11 346,774 880,701
2020-05-18 2020-05-14 4 AMPH Amphastar Pharmaceuticals, Inc.
Stock Option (right to buy)
M - Exercise -14,832 22,950 -39.26
2020-05-18 2020-05-14 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -14,832 35,336 -29.56 18.00 -266,976 636,048
2020-05-18 2020-05-14 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 14,832 50,168 41.97 15.11 224,112 758,038
2020-05-14 2020-05-12 4 AMPH Amphastar Pharmaceuticals, Inc.
Stock Option (right to buy)
M - Exercise -10,000 37,782 -20.93
2020-05-14 2020-05-12 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -10,000 35,336 -22.06 19.00 -190,000 671,384
2020-05-14 2020-05-12 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 10,000 45,336 28.30 15.11 151,100 685,027
2019-06-13 2019-06-12 4 AMPH Amphastar Pharmaceuticals, Inc.
Stock Option (right to buy)
A - Award 13,915 13,915
2019-06-13 2019-06-12 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 5,491 35,336 18.40
2018-11-15 2018-11-14 4 AMPH Amphastar Pharmaceuticals, Inc.
Stock Option (right to buy)
M - Exercise -29,278 0 -100.00
2018-11-15 2018-11-14 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -29,278 29,845 -49.52 20.39 -596,949 608,510
2018-11-15 2018-11-14 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 29,278 59,123 98.10 14.66 429,215 866,743
2018-06-13 2018-06-12 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -15,000 29,845 -33.45 16.52 -247,842 493,123
2018-06-11 2018-06-07 4 AMPH Amphastar Pharmaceuticals, Inc.
Stock Option (right to buy)
A - Award 16,679 16,679
2018-06-11 2018-06-07 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 6,590 44,845 17.23
2017-10-03 2017-10-02 4 AMPH Amphastar Pharmaceuticals, Inc.
Stock Option (right to buy)
M - Exercise -63,624 0 -100.00
2017-10-03 2017-10-02 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -63,624 38,255 -62.45 18.18 -1,156,952 695,637
2017-10-03 2017-10-02 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 63,624 101,879 166.32 10.77 685,230 1,097,237
2017-06-12 2017-06-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Stock Option (right to buy)
A - Award 20,291 20,291
2017-06-12 2017-06-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 5,844 38,255 18.03
2017-06-01 2017-06-01 4 AMPH Amphastar Pharmaceuticals, Inc.
Stock Option (right to buy)
M - Exercise -15,000 63,624 -19.08
2017-06-01 2017-06-01 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -15,000 32,411 -31.64 17.01 -255,201 551,421
2017-06-01 2017-06-01 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 15,000 47,411 46.28 10.77 161,550 510,616
2016-08-16 2016-08-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Stock Option (right to buy)
M - Exercise -17,400 0 -100.00
2016-08-16 2016-08-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -17,400 32,411 -34.93 18.22 -316,972 590,425
2016-08-16 2016-08-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 17,400 49,811 53.69 14.23 247,602 708,811
2016-08-16 2016-08-12 4 AMPH Amphastar Pharmaceuticals, Inc.
Stock Option (right to buy)
M - Exercise -20,594 17,400 -54.20
2016-08-16 2016-08-12 4 AMPH Amphastar Pharmaceuticals, Inc.
Stock Option (right to buy)
M - Exercise -10,381 0 -100.00
2016-08-16 2016-08-12 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -30,975 32,411 -48.87 18.12 -561,134 587,148
2016-08-16 2016-08-12 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 20,594 63,386 48.13 14.23 293,053 901,983
2016-08-16 2016-08-12 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 10,381 42,792 32.03 15.23 158,103 651,722
2016-06-13 2016-06-09 4 AMPH Amphastar Pharmaceuticals, Inc.
Stock Option (right to buy)
A - Award 25,827 25,827
2016-06-13 2016-06-09 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 6,086 32,411 23.12
2015-12-17 2015-12-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Stock Option (right to buy)
M - Exercise -14,232 0 -100.00
2015-12-17 2015-12-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -14,232 26,325 -35.09 14.20 -202,113 373,849
2015-12-17 2015-12-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 14,232 40,557 54.06 11.68 166,230 473,706
2015-12-17 2015-12-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Stock Option (right to buy)
M - Exercise -16,538 14,232 -53.75
2015-12-17 2015-12-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -16,538 26,325 -38.58 14.19 -234,740 373,657
2015-12-17 2015-12-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 16,538 42,863 62.82 11.68 193,164 500,640
2015-07-21 2015-07-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Stock Option (right to buy)
M - Exercise -7,692 30,770 -20.00
2015-07-21 2015-07-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -7,692 26,325 -22.61 17.41 -133,900 458,258
2015-07-21 2015-07-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 7,692 34,017 29.22 11.68 89,843 397,319
2015-05-29 2015-05-27 4 AMPH Amphastar Pharmaceuticals, Inc.
Stock Option (right to buy)
A - Award 47,782 47,782
2015-05-29 2015-05-27 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 8,686 26,325 49.24
2014-08-20 2014-08-19 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
P - Purchase 3,500 17,639 24.75 10.00 35,000 176,388
2014-06-24 3 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
22,821
2014-06-24 3 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
19,596
2014-06-24 3 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
22,821
2014-06-24 3 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
19,596
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)