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ALPHA & OMEGA SEMICONDUCTOR Ltd

AOSL Net selling
CIK 0001387467 #2743 in the set updated 17 Sep 2026
Bought (120 mo)
$2.29M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$43.35M
$6.49M on a plan · $23.41M straight out of an exercise
Sold at will
$13.45M
56 of 157 sales
Net
−$41.07M
−$11.17M against sales at will

By person

16 insiders · 174 transactions
2.1×

Stephen C. Chang holds only 2.1 times base salary in stock. $1.05M of shares against $490.00K in salary for 2025.

Salary from the company's own proxy. The shares are what Stephen C. Chang last reported holding, valued at $33.99, the price Common Share was last bought or sold at on the open market here, on 16 Jul 2026.

Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Chang Mike F
Director
$2.14M (14)
$18.67M (19) scheduled
−$16.53M
4,259,379
14.08%
$144.78M
−47.1%
Ho Yueh-Se
Director
—
$9.71M (19) scheduled
−$9.71M
193,592
0.6398%
$6.58M
−42.7%
Liang Yifan
CFO and Corp Secretary
—
$5.57M (19) scheduled
−$5.57M
269,403
0.8903%
$9.16M
+266.2%
Xue Bing
EVP-WW Sales & Bus Development
—
$3.88M (51)
−$3.88M
122,785
0.4058%
$4.17M
+113.1%
SALAMEH MICHAEL J
Director
$149.99K (1)
$1.41M (6) scheduled
−$1.26M
64,824
0.2142%
$2.20M
+268.0%
Chang Daniel Kuang Ming
Senior VP of Marketing
—
$948.98K (18) scheduled
−$948.98K
46,543
0.1538%
$1.58M
+7.2%
Chang Lucas S.
Director
—
$837.42K (4) scheduled
−$837.42K
30,885
0.1021%
$1.05M
—
Li Wenjun
Chief Operating Officer
—
$808.12K (7)
−$808.12K
86,626
0.2863%
$2.94M
+260.5%
Chang Stephen Chunping
Chief Executive Officer
—
$691.44K (4) scheduled
−$691.44K
735,017
2.43%
$24.98M
+210.7%
Chen Claudia
Director
—
$448.82K (5) scheduled
−$448.82K
28,192
0.0932%
$958.25K
—
CHEN ROBERT I
Director
—
$290.05K (3) scheduled
−$290.05K
24,030
0.0794%
$816.78K
+106.8%
Pfeiffer Michael L
Director
—
$90.80K (2) scheduled
−$90.80K
71,294
0.2356%
$2.42M
+513.4%
OWYANG KING
Director
—
—
—
75,256
0.2487%
$2.56M
+547.5%
Li Hanqing
Director
—
—
—
23,800
0.0787%
$808.96K
—
Jeong So-Yeon
Director
—
—
—
23,800
0.0787%
$808.96K
—
Chien Joshua C.
Director
—
—
—
1,368
0.0045%
$46.50K
—

Individual transactions

55
Insider
Date
Role
Action
Shares
Price
Amount
Liang Yifan
12 Aug 2024
CFO and Corp Secretary
Sold after exercise
1,614
$35.95
$58.02K
Liang Yifan
12 Aug 2024
CFO and Corp Secretary
Sold after exercise
8,386
$35.53
$297.95K
Liang Yifan
13 Mar 2024
CFO and Corp Secretary
Sold after exercise
20,000
$22.67
$453.42K
Liang Yifan
12 Mar 2024
CFO and Corp Secretary
Sold after exercise
20,000
$23.31
$466.19K
Liang Yifan
11 Mar 2024
CFO and Corp Secretary
Sold after exercise
30,000
$23.60
$707.87K
Chang Mike F
29 Jan 2024
Executive Chairman
Sold after exercise
30,000
$26.91
$807.38K
Pfeiffer Michael L
19 Jan 2024
Director
Sold after exercise
2,673
$27.34
$73.08K
Pfeiffer Michael L
18 Jan 2024
Director
Sold after exercise
664
$26.68
$17.72K
Chang Mike F
28 Dec 2023
Executive Chairman
Sold after exercise
30,000
$26.53
$796.02K
Chang Mike F
14 Dec 2023
Executive Chairman
Sold after exercise
30,000
$25.00
$750.00K
Chang Mike F
26 Oct 2023
Executive Chairman
Sold after exercise
30,000
$25.03
$750.99K
Chang Mike F
26 Sep 2023
Executive Chairman
Sold after exercise
30,000
$28.64
$859.06K
Chang Mike F
1 Sep 2023
Executive Chairman
Sold after exercise
30,000
$31.01
$930.30K
Chang Mike F
9 Jan 2023
Chief Executive Officer
Sold after exercise
56,400
$29.96
$1.69M
Liang Yifan
9 Jan 2023
CFO and Corp Secretary
Sold after exercise
6,600
$30.00
$198.00K
SALAMEH MICHAEL J
15 Aug 2022
Director
Sold after exercise
2,500
$42.56
$106.40K
SALAMEH MICHAEL J
15 Aug 2022
Director
Sold after exercise
3,392
$42.56
$144.36K
SALAMEH MICHAEL J
10 May 2022
Director
Sold after exercise
2,500
$36.68
$91.70K
SALAMEH MICHAEL J
4 Apr 2022
Director
Sold after exercise
2,500
$53.13
$132.83K
SALAMEH MICHAEL J
4 Apr 2022
Director
Sold after exercise
10,000
$53.17
$531.72K
Chang Mike F
17 Mar 2022
Chief Executive Officer
Sold after exercise
56,400
$55.00
$3.10M
Ho Yueh-Se
5 Nov 2021
Director
Sold after exercise
20,000
$40.00
$800.00K
Ho Yueh-Se
5 Nov 2021
Director
Sold after exercise
31,742
$40.00
$1.27M
Liang Yifan
1 Nov 2021
CFO and Corp Secretary
Sold after exercise
6,600
$35.90
$236.94K
Ho Yueh-Se
20 Nov 2020
Chief Operating Officer
Sold after exercise
11,667
$21.50
$250.84K
Ho Yueh-Se
20 Nov 2020
Chief Operating Officer
Sold after exercise
960
$21.50
$20.64K
Ho Yueh-Se
20 Nov 2020
Chief Operating Officer
Sold after exercise
51,673
$21.50
$1.11M
Ho Yueh-Se
19 Nov 2020
Chief Operating Officer
Sold after exercise
967
$21.50
$20.79K
Ho Yueh-Se
19 Nov 2020
Chief Operating Officer
Sold after exercise
27,788
$21.50
$597.44K
Ho Yueh-Se
9 Nov 2020
Chief Operating Officer
Sold after exercise
623
$21.50
$13.39K
Liang Yifan
6 Nov 2020
CFO and Corp Secretary
Sold after exercise
5,500
$17.68
$97.24K
Chang Mike F
5 Oct 2020
Chief Executive Officer
Sold after exercise
94,000
$15.50
$1.46M
Liang Yifan
5 Oct 2020
CFO and Corp Secretary
Sold after exercise
5,500
$15.68
$86.24K
Chang Daniel Kuang Ming
17 Apr 2018
Senior VP of Marketing
Sold after exercise
3,750
$16.00
$60.00K
Chang Daniel Kuang Ming
4 May 2017
Senior VP of Marketing
Sold after exercise
1,313
$19.00
$24.95K
Chang Daniel Kuang Ming
4 May 2017
Senior VP of Marketing
Sold after exercise
4,375
$19.00
$83.13K
Chang Daniel Kuang Ming
4 May 2017
Senior VP of Marketing
Sold after exercise
1,203
$18.00
$21.65K
CHEN ROBERT I
9 Dec 2016
Director
Sold after exercise
3,850
$23.00
$88.55K
CHEN ROBERT I
9 Dec 2016
Director
Sold after exercise
2,000
$22.00
$44.00K
CHEN ROBERT I
9 Dec 2016
Director
Sold after exercise
7,500
$21.00
$157.50K
Chang Daniel Kuang Ming
28 Nov 2016
Senior VP of Marketing
Sold after exercise
4,375
$22.90
$100.19K
Chang Daniel Kuang Ming
28 Nov 2016
Senior VP of Marketing
Sold after exercise
1,312
$22.90
$30.04K
Chang Daniel Kuang Ming
28 Nov 2016
Senior VP of Marketing
Sold after exercise
1,329
$22.90
$30.43K
Chang Daniel Kuang Ming
25 Nov 2016
Senior VP of Marketing
Sold after exercise
3,080
$22.90
$70.53K
Chang Daniel Kuang Ming
23 Nov 2016
Senior VP of Marketing
Sold after exercise
1,860
$22.90
$42.59K
Chang Daniel Kuang Ming
22 Nov 2016
Senior VP of Marketing
Sold after exercise
3,731
$22.90
$85.44K
Liang Yifan
10 Oct 2016
CFO and Corp Secretary
Sold after exercise
2,564
$23.00
$58.97K
Ho Yueh-Se
21 Sep 2016
Chief Operating Officer
Sold after exercise
10,000
$20.65
$206.48K
Ho Yueh-Se
21 Sep 2016
Chief Operating Officer
Sold after exercise
26,971
$20.65
$556.95K
Ho Yueh-Se
20 Sep 2016
Chief Operating Officer
Sold after exercise
18,100
$21.06
$381.14K
Ho Yueh-Se
19 Sep 2016
Chief Operating Officer
Sold after exercise
51,921
$21.03
$1.09M
Ho Yueh-Se
19 Sep 2016
Chief Operating Officer
Sold after exercise
7,691
$21.13
$162.50K
Ho Yueh-Se
19 Sep 2016
Chief Operating Officer
Sold after exercise
34,000
$21.13
$718.38K
Ho Yueh-Se
19 Sep 2016
Chief Operating Officer
Sold after exercise
21,900
$21.14
$462.87K
Ho Yueh-Se
19 Sep 2016
Chief Operating Officer
Sold after exercise
258
$21.33
$5.50K
Show all 174 transactions →

What was left out

Form 4 filings counted 284
Amendments (4/A) skipped 2
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 46
Sales straight out of an exercise 55
Sales at will 56
Transactions with no price 0
Shares from compensation/vesting 9,186,510
Sales filed before the plan box existed 55
History held since 21 Sep 2016