アルファ アンド オメガ セミコンダクター リミテッド
US ˙ NasdaqGS ˙ BMG6331P1041

SecurityAOSL / Alpha and Omega Semiconductor Limited
InsiderMike F Chang
This page shows the track record and history of Chang Mike F insider trades in Alpha and Omega Semiconductor Limited. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company. It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis

In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Mike F Chang in AOSL / Alpha and Omega Semiconductor Limited. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Max
Price at
Max
Max
Profit ($)
Max Return (%)
2026-03-09 33,727 19.0000 33,727 19.0000 640,813 85 53.3200 1,157,511 180.63
2018-11-20 3,930 9.9989 3,930 9.9989 39,296

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

AOSL / Alpha and Omega Semiconductor Limited Insider Trades
Insider Sales - Short Term Loss Analysis

In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Mike F Chang in AOSL / Alpha and Omega Semiconductor Limited. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Min
Price at
Min
Max Loss
Avoided ($)
Max Loss
Avoided (%)
There are no known unplanned open-market trades for this insider

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

AOSL / Alpha and Omega Semiconductor Limited Insider Trades
Insider Transaction History
File
Date
Trade
Date
Form Insider Ticker Security Title Code 10b5-1 Direct Exercise
Price
Unit
Price
Units
Changed
Value
Changed (1K)
Remaining
Options
Remaining
Shares
2026-06-03 2026-06-01 4 Chang Mike F AOSL Common Shares G - Gift D -30,000 3,584,294
2026-05-28 2026-05-26 4 Chang Mike F AOSL Common Shares G - Gift D -39,780 3,614,294
2026-05-27 2026-05-22 4 Chang Mike F AOSL Common Shares G - Gift D -736,252 3,654,074
2026-03-25 2026-03-16 4/A Chang Mike F AOSL Common Shares A - Award D 22,500 4,390,326
2026-03-25 2026-03-16 4/A Chang Mike F AOSL Common Shares F - Taxes D 21.4300 -14,419 -309 4,355,155
2026-03-18 2026-03-16 4 Chang Mike F AOSL Common Shares A - Award D 22,500 4,386,761
2026-03-18 2026-03-16 4 Chang Mike F AOSL Common Shares F - Taxes D 21.4300 -9,829 -211 4,364,261
2026-03-18 2026-03-16 4 Chang Mike F AOSL Common Shares F - Taxes D 21.4300 -17,984 -385 4,374,090
2026-03-18 2026-03-16 4 Chang Mike F AOSL Common Shares A - Award D 22,500 4,392,074
2026-03-10 2026-03-09 4 Chang Mike F AOSL Common Shares P - Purchase D 19.0000 33,727 641 4,369,574
2026-01-05 2026-01-02 4 Chang Mike F AOSL Common Shares F - Taxes D 20.6600 -16,700 -345 4,335,847
2025-10-21 2025-10-20 4 Chang Mike F AOSL Common Shares G - Gift D -40,000 4,352,547
2025-03-18 2025-03-17 4 Chang Mike F AOSL Common Shares A - Award D 37,500 4,392,547
2025-03-18 2025-03-17 4 Chang Mike F AOSL Common Shares F - Taxes D 27.6100 -20,527 -567 4,355,047
2025-03-18 2025-03-17 4 Chang Mike F AOSL Common Shares F - Taxes D 27.6100 -27,296 -754 4,375,574
2025-03-18 2025-03-17 4 Chang Mike F AOSL Common Shares A - Award D 22,500 4,402,870
2025-01-03 2025-01-02 4 Chang Mike F AOSL Common Shares F - Taxes D 36.5400 -22,446 -820 4,380,370
2024-12-04 2024-12-03 4 Chang Mike F AOSL Common Shares G - Gift D -30,000 4,402,816
2024-08-29 2024-08-28 4 Chang Mike F AOSL Common Shares G - Gift D -10,000 4,432,816
2024-05-20 2024-05-10 4 Chang Mike F AOSL Common Shares G - Gift D -30,000 4,442,816
2024-03-18 2024-03-15 4 Chang Mike F AOSL Common Shares F - Taxes D 21.5500 -24,167 -521 4,472,816
2024-03-18 2024-03-15 4 Chang Mike F AOSL Common Shares F - Taxes D 21.5500 -30,803 -664 4,496,983
2024-03-18 2024-03-15 4 Chang Mike F AOSL Common Shares A - Award D 37,500 4,527,786
2024-02-09 2023-09-06 4 Chang Mike F AOSL Common Shares G - Gift D -10,000 4,490,286
2024-01-30 2024-01-29 4 Chang Mike F AOSL Common Shares S - Sale D 26.9128 -30,000 -807 4,500,286
2024-01-30 2024-01-29 4 Chang Mike F AOSL Common Shares M - Exercise D 7.4400 30,000 223 4,530,286
2024-01-05 2024-01-02 4 Chang Mike F AOSL Common Shares F - Taxes D 27.3800 -17,305 -474 4,500,286
2024-01-05 2024-01-02 4 Chang Mike F AOSL Common Shares A - Award D 180,000 4,517,591
2023-12-29 2023-12-28 4 Chang Mike F AOSL Common Shares S - Sale D 26.5341 -30,000 -796 4,337,591
2023-12-29 2023-12-28 4 Chang Mike F AOSL Common Shares M - Exercise D 7.4400 30,000 223 4,367,591
2023-12-18 2023-12-14 4 Chang Mike F AOSL Common Shares S - Sale D 25.0000 -30,000 -750 4,337,591
2023-12-18 2023-12-14 4 Chang Mike F AOSL Common Shares M - Exercise D 7.4400 30,000 223 4,367,591
2023-10-27 2023-10-26 4 Chang Mike F AOSL Common Shares S - Sale D 25.0329 -30,000 -751 4,337,591
2023-10-27 2023-10-26 4 Chang Mike F AOSL Common Shares M - Exercise D 7.4400 30,000 223 4,367,591
2023-09-27 2023-09-26 4 Chang Mike F AOSL Common Shares S - Sale D 28.6354 -30,000 -859 4,337,591
2023-09-27 2023-09-26 4 Chang Mike F AOSL Common Shares M - Exercise D 7.4400 30,000 223 4,367,591
2023-09-18 2023-09-14 4 Chang Mike F AOSL Common Shares G - Gift D -50,000 4,337,591
2023-09-05 2023-09-01 4 Chang Mike F AOSL Common Shares S - Sale D 31.0100 -30,000 -930 4,387,591
2023-09-05 2023-09-01 4 Chang Mike F AOSL Common Shares M - Exercise D 7.4400 30,000 223 4,417,591
2023-03-17 2023-03-15 4 Chang Mike F AOSL Common Shares A - Award D 54,180 4,387,591
2023-03-17 2023-03-15 4 Chang Mike F AOSL Common Shares F - Taxes D 25.4500 -24,070 -613 4,333,411
2023-03-17 2023-03-15 4 Chang Mike F AOSL Common Shares F - Taxes D 25.4500 -32,229 -820 4,357,481
2023-03-17 2023-03-15 4 Chang Mike F AOSL Common Shares A - Award D 37,500 4,389,710
2023-01-10 2023-01-09 4 Chang Mike F AOSL Common Shares S - Sale D 29.9556 -56,400 -1,689 4,352,210
2023-01-10 2023-01-09 4 Chang Mike F AOSL Common Shares M - Exercise D 8.4500 56,400 477 4,408,610
2022-03-24 2022-03-22 4 Chang Mike F AOSL Common Shares G - Gift D -20,000 4,352,210
2022-03-24 2022-03-22 4 Chang Mike F AOSL Common Shares G - Gift D -20,000 4,352,210
2022-03-17 2022-03-17 4 Chang Mike F AOSL Employee Share Option (right to buy) M - Exercise D 9.90 -56,400 0
2022-03-17 2022-03-17 4 Chang Mike F AOSL Common Shares S - Sale D 55.0000 -56,400 -3,102 4,392,210
2022-03-17 2022-03-17 4 Chang Mike F AOSL Common Shares M - Exercise D 9.9000 56,400 558 4,448,610
2022-03-17 2022-03-15 4 Chang Mike F AOSL Common Shares A - Award D 70,000 4,392,210
2022-03-17 2022-03-15 4 Chang Mike F AOSL Common Shares A - Award D 70,000 4,392,210
2022-03-17 2022-03-15 4 Chang Mike F AOSL Common Shares A - Award D 22,500 4,322,210
2022-03-17 2022-03-15 4 Chang Mike F AOSL Common Shares F - Taxes D 48.6500 -24,908 -1,212 4,299,710
2022-03-17 2022-03-15 4 Chang Mike F AOSL Common Shares F - Taxes D 48.6500 -29,208 -1,421 4,324,618
2021-11-12 2021-11-10 4 Chang Mike F AOSL Common Shares G - Gift D -10,000 4,283,826
2021-11-12 2021-11-10 4 Chang Mike F AOSL Common Shares G - Gift D -20,000 4,293,826
2021-07-16 2021-01-29 4 Chang Mike F AOSL Common Shares G - Gift D -25,000 4,313,826
2021-03-17 2021-03-15 4 Chang Mike F AOSL Common Shares A - Award D 22,500 4,268,826
2021-03-17 2021-03-15 4 Chang Mike F AOSL Common Shares A - Award D 14,175 4,246,326
2021-03-17 2021-03-15 4 Chang Mike F AOSL Common Shares F - Taxes D 36.2700 -22,238 -807 4,232,151
2021-03-17 2021-03-15 4 Chang Mike F AOSL Common Shares F - Taxes D 36.2700 -29,208 -1,059 4,254,389
2021-03-17 2021-03-15 4 Chang Mike F AOSL Common Shares A - Award D 70,000 4,283,597
2021-03-17 2021-02-25 4 Chang Mike F AOSL Common Shares A - Award D 70,000 4,338,826
2021-01-12 2021-01-12 4 Chang Mike F AOSL Common Shares S - Sale D 28.8875 -20,000 -578 4,213,597
2021-01-12 2021-01-11 4 Chang Mike F AOSL Common Shares S - Sale D 28.0000 -5,434 -152 4,233,597
2021-01-08 2021-01-08 4 Chang Mike F AOSL Common Shares S - Sale D 28.2297 -6,979 -197 4,239,031
2021-01-08 2021-01-07 4 Chang Mike F AOSL Common Shares S - Sale D 28.4276 -29,143 -828 4,246,010
2021-01-08 2021-01-06 4 Chang Mike F AOSL Common Shares S - Sale D 28.0487 -88,444 -2,481 4,275,153
2021-01-08 2020-12-03 4 Chang Mike F AOSL Common Shares G - Gift D -15,000 4,363,597
2021-01-08 2020-12-02 4 Chang Mike F AOSL Common Shares G - Gift D -50,000 4,378,597
2020-10-06 2020-10-05 4 Chang Mike F AOSL Employee Share Option (right to buy) M - Exercise D 12.68 -94,000 0
2020-10-06 2020-10-05 4 Chang Mike F AOSL Common Shares S - Sale D 15.5000 -94,000 -1,457 4,428,597
2020-10-06 2020-10-05 4 Chang Mike F AOSL Common Shares M - Exercise D 12.6800 94,000 1,192 4,522,597
2020-07-08 2020-03-16 4 Chang Mike F AOSL Common Shares A - Award D 22,500 4,428,597
2020-07-08 2020-03-16 4 Chang Mike F AOSL Common Shares A - Award D 14,175 4,406,097
2020-03-18 2020-03-16 4 Chang Mike F AOSL Common Shares A - Award D 70,000 4,391,922
2020-03-18 2020-03-16 4 Chang Mike F AOSL Common Shares F - Taxes D 7.3600 -18,921 -139 4,321,922
2020-03-18 2020-03-16 4 Chang Mike F AOSL Common Shares F - Taxes D 7.3600 -12,705 -94 4,340,843
2019-03-18 2019-03-15 4 Chang Mike F AOSL Common Shares A - Award D 50,000 4,353,548
2019-03-18 2019-03-15 4 Chang Mike F AOSL Common Shares F - Taxes D 11.1800 -16,442 -184 4,303,548
2019-03-18 2019-03-15 4 Chang Mike F AOSL Common Shares F - Taxes D 11.1800 -15,418 -172 4,319,990
2019-03-01 2019-02-27 4 Chang Mike F AOSL Common Shares A - Award D 22,500 4,335,408
2019-03-01 2019-02-27 4 Chang Mike F AOSL Common Shares A - Award D 14,175 4,312,908
2019-03-01 2019-02-27 4 Chang Mike F AOSL Common Shares A - Award D 25,536 4,298,733
2019-01-04 2019-01-03 4 Chang Mike F AOSL Common Shares P - Purchase D 9.9900 480 5 4,273,197
2018-12-27 2018-12-27 4 Chang Mike F AOSL Common Shares P - Purchase D 9.8236 12,656 124 4,272,717
2018-12-27 2018-12-26 4 Chang Mike F AOSL Common Shares P - Purchase D 9.9388 11,900 118 4,260,061
2018-12-27 2018-12-24 4 Chang Mike F AOSL Common Shares P - Purchase D 9.8234 13,115 129 4,248,161
2018-12-21 2018-12-21 4 Chang Mike F AOSL Common Shares P - Purchase D 9.8371 22,618 222 4,235,046
2018-12-21 2018-12-20 4 Chang Mike F AOSL Common Shares P - Purchase D 9.9848 8,700 87 4,212,428
2018-12-19 2018-12-19 4 Chang Mike F AOSL Common Shares P - Purchase D 9.9419 23,202 231 4,203,728
2018-12-19 2018-12-17 4 Chang Mike F AOSL Common Shares P - Purchase D 9.9921 17,050 170 4,180,526
2018-12-13 2018-12-11 4 Chang Mike F AOSL Common Shares P - Purchase D 9.9963 800 8 4,163,476
2018-12-10 2018-12-10 4 Chang Mike F AOSL Common Shares P - Purchase D 9.9575 24,775 247 4,162,676
2018-12-10 2018-12-07 4 Chang Mike F AOSL Common Shares P - Purchase D 9.8481 9,630 95 4,137,901
2018-12-10 2018-12-06 4 Chang Mike F AOSL Common Shares P - Purchase D 10.0000 2,000 20 4,128,271
2018-11-21 2018-11-20 4 Chang Mike F AOSL Common Shares P - Purchase D 9.9989 3,930 39 4,126,271
2018-03-19 2018-03-15 4 Chang Mike F AOSL Performance RSU A - Award D 0.00 90,000 90,000
2018-03-19 2018-03-15 4 Chang Mike F AOSL Performance RSU M - Exercise D 0.00 -15,750 47,250
2018-03-19 2018-03-15 4 Chang Mike F AOSL Common Shares A - Award D 50,000 4,122,341
2018-03-19 2018-03-15 4 Chang Mike F AOSL Common Shares F - Taxes D 16.2200 -13,610 -221 4,072,341
2018-03-19 2018-03-15 4 Chang Mike F AOSL Common Shares F - Taxes D 16.2200 -4,697 -76 4,085,951
2018-03-19 2018-03-15 4 Chang Mike F AOSL Common Shares M - Exercise D 14,175 4,090,648
2018-03-14 2018-03-12 4 Chang Mike F AOSL Common Shares A - Award D 26,916 4,076,473
2017-03-17 2017-03-15 4 Chang Mike F AOSL Common Share A - Award D 0.00 63,000 63,000
2017-03-17 2017-03-15 4 Chang Mike F AOSL Common Shares A - Award D 70,000 4,049,557
2017-03-17 2017-03-15 4 Chang Mike F AOSL Common Shares F - Taxes D 17.5800 -8,785 -154 3,979,557
2017-02-16 2017-02-14 4 Chang Mike F AOSL Common Shares F - Taxes D 21.4800 -1,373 -29 3,988,342
2016-12-14 2016-12-13 4 Chang Mike F AOSL Common Shares S - Sale D 22.1031 -24,117 -533 3,989,715
2016-12-14 2016-12-12 4 Chang Mike F AOSL Common Shares S - Sale D 22.1860 -25,883 -574 4,013,832
2016-12-14 2016-11-21 4 Chang Mike F AOSL Common Shares G - Gift D -10,000 4,039,715
2016-11-15 2016-11-14 4 Chang Mike F AOSL Common Shares S - Sale D 21.0000 -21,123 -444 4,049,715
2016-11-15 2016-11-11 4 Chang Mike F AOSL Common Shares S - Sale D 21.0000 -28,877 -606 4,070,838
2016-10-12 2016-10-10 4 Chang Mike F AOSL Common Shares S - Sale D 22.6408 -50,000 -1,132 4,099,715
2016-10-12 2016-09-28 4 Chang Mike F AOSL Common Shares G - Gift D -50,000 4,149,715
2016-10-12 2016-09-19 4 Chang Mike F AOSL Common Shares G - Gift D -50,000 4,199,715
2016-04-28 2016-04-26 4 Chang Mike F AOSL Common Shares F - Taxes D 13.6500 -97 -1 4,249,715
2016-03-30 2016-03-28 4 Chang Mike F AOSL Common Shares F - Taxes D 10.8000 -288 -3 4,249,812
2016-03-17 2016-03-15 4 Chang Mike F AOSL Common Shares A - Award D 39,491 4,250,100
2016-03-17 2016-03-15 4 Chang Mike F AOSL Common Shares F - Taxes D 11.7000 -5,172 -61 4,210,609
2016-02-18 2016-02-16 4 Chang Mike F AOSL Common Shares F - Taxes D 11.3400 -1,372 -16 4,215,781
2015-12-29 2015-12-28 4 Chang Mike F AOSL Common Shares F - Taxes D 9.3900 -288 -3 4,217,153
2015-09-30 2015-09-28 4 Chang Mike F AOSL Common Shares F - Taxes D 7.8800 -289 -2 4,217,441
2015-06-30 2015-06-26 4 Chang Mike F AOSL Common Shares F - Taxes D 8.9700 -288 -3 4,217,730
2015-03-30 2015-03-26 4 Chang Mike F AOSL Common Shares F - Taxes D 8.7000 -288 -3 4,218,018
2015-03-18 2015-03-16 4 Chang Mike F AOSL Common Shares A - Award D 39,000 4,218,306
2015-03-18 2015-03-16 4 Chang Mike F AOSL Common Shares F - Taxes D 8.9000 -1,440 -13 4,179,306
2015-03-17 2015-02-14 4 Chang Mike F AOSL Common Shares F - Taxes D 9.0500 -1,372 -12 4,180,746
2014-12-30 2014-12-29 4 Chang Mike F AOSL Common Shares F - Taxes D 9.1000 -288 -3 4,182,118
2014-09-30 2014-09-26 4 Chang Mike F AOSL Common Shares F - Taxes D 9.5900 -289 -3 4,182,406
2014-06-30 2014-06-26 4 Chang Mike F AOSL Common Shares F - Taxes D 9.2700 -288 -3 4,182,695
2014-03-28 2014-03-26 4 Chang Mike F AOSL Common Shares F - Taxes D 7.2100 -298 -2 4,182,983
2014-03-19 2014-03-17 4 Chang Mike F AOSL Employee Share Option (right to buy) A - Award D 7.44 180,000 180,000
2014-03-19 2014-03-17 4 Chang Mike F AOSL Common Shares A - Award D 15,000 4,183,281
2014-02-18 2014-02-14 4 Chang Mike F AOSL Common Shares F - Taxes D 7.2500 -1,375 -10 4,168,281
2013-12-30 2013-12-26 4 Chang Mike F AOSL Common Shares F - Taxes D 8.1400 -296 -2 4,169,656
2013-09-30 2013-09-26 4 Chang Mike F AOSL Common Shares F - Taxes D 8.5600 -295 -3 4,169,952
2013-06-28 2013-06-26 4 Chang Mike F AOSL Common Shares F - Taxes D 7.6500 -292 -2 4,170,247
2013-03-28 2013-03-26 4 Chang Mike F AOSL Common Shares F - Taxes D 8.9800 -345 -3 4,170,539
2013-02-19 2013-02-14 4 Chang Mike F AOSL Employee Share Option (right to buy) A - Award D 8.45 56,400 56,400
2013-02-19 2013-02-14 4 Chang Mike F AOSL Common Shares A - Award D 12,533 4,170,884
2013-01-03 2012-12-31 4 Chang Mike F AOSL Common Shares F - Taxes D 8.4000 -288 -2 4,158,351
2012-09-27 2012-09-26 4 Chang Mike F AOSL Common Shares F - Taxes D 8.7200 -192 -2 4,158,639
2012-07-30 2012-07-26 4 Chang Mike F AOSL Common Shares F - Taxes D 7.8100 -288 -2 4,158,831
2012-04-30 2012-04-26 4 Chang Mike F AOSL Employee Share Option (right to buy) A - Award D 9.90 56,400 56,400
2012-04-30 2012-04-26 4 Chang Mike F AOSL Common Shares A - Award D 12,533 4,158,244
P
非デリバティブまたはデリバティブ証券の公開市場または非公開購入
S
非デリバティブ証券またはデリバティブ証券の公開市場または非公開売却
A
会社からの有価証券の交付、授与その他の取得 (オプション等)
C
デリバティブの転換
D
有価証券の会社への売却または譲渡
F
会社から受領した有価証券の一部を使用した、行使価格または納税義務のお支払い
G
内部者によるまたは内部者に対する有価証券の贈与
K
株式スワップと類似のヘッジ取引
M
会社から受け取ったデリバティブ証券 (オプションなど) の行使または転換
V
フォーム4により任意に報告した取引
J
その他 (取引を説明する脚注を含む)