InsidersTradesSigma
Total declarations
Company
▲ Purchases (1 ops.)
▼ Sales (3 ops.)
Insider track record
ExecutiveDisclosed buys
1
Disclosed sells
3
T+90 hit rate
47%
T+90 mean return
-3.7%
Across 15 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the detailed record of transactions filed by Chang Mike F, Director. Director active across 1 company, notably ALPHA & OMEGA SEMICONDUCTOR Ltd. Aggregated, 36 disclosures have been logged. Split: 1 buy · 3 sells. Total volume traded: €3.7m. Activity tracked since 29 January 2021. The latest transaction was filed on 1 June 2026 (Don). Regulator: SEC (Form 4). All data is openly available.
Declarations36 total
30,000 shares0Common SharesSEC:0001628280-26-040485:0
39,780 shares0Common SharesSEC:0001628280-26-038835:0
736,252 shares0Common SharesSEC:0001628280-26-038447:0
14,419 shares@ US$21.430.035% mcap50.0% of flowCommon SharesSEC:0001387467-26-000023:0
14,419 shares@ US$21.430.035% mcap50.0% of flowCommon SharesSEC:0001387467-26-000023
33,727 shares@ US$19.000.035% mcap7.0% of flowCommon SharesSEC:0001387467-26-000020:0
Ideal exit: 4 Dec 2026 (T+270)
40,000 shares0Common SharesSEC:0001387467-25-000060:0
22,500 shares0Common SharesSEC:0001387467-25-000030:0
27,296 shares@ US$27.618.7% of flowCommon SharesSEC:0001387467-25-000030:1
20,527 shares@ US$27.616.5% of flowCommon SharesSEC:0001387467-25-000030:2
37,500 shares0Common SharesSEC:0001387467-25-000030:3
22,446 shares@ US$36.549.9% of flowCommon SharesSEC:0001387467-25-000008:0
30,000 shares0Common SharesSEC:0001387467-24-000123:0
10,000 shares0Common SharesSEC:0001387467-24-000077:0
30,000 shares0Common SharesSEC:0001387467-24-000063:0
37,500 shares0Common SharesSEC:0001387467-24-000039:0
10,000 shares0Common SharesSEC:0001387467-24-000024:0
30,000 shares@ US$7.442.6% of flowCommon SharesSEC:0001387467-24-000019:0
30,000 shares@ US$26.91289.3% of flowCommon SharesSEC:0001387467-24-000019:1
180,000 shares0Common SharesSEC:0001387467-24-000009:0
30,000 shares@ US$7.442.5% of flowCommon SharesSEC:0001387467-23-000102:0
30,000 shares@ US$7.442.6% of flowCommon SharesSEC:0001387467-23-000099:0
30,000 shares@ US$7.442.6% of flowCommon SharesSEC:0001387467-23-000066:0
30,000 shares@ US$7.4415.0% of flowCommon SharesSEC:0001387467-23-000064:0
50,000 shares0Common SharesSEC:0001387467-23-000053:0
25 of 36 declarations
About Chang Mike F
Mike F. Chang is the Chief Executive Officer and President of Alpha & Omega Semiconductor Ltd. He is responsible for the overall strategy and direction of the company. His experience in the semiconductor industry is a major asset in guiding Alpha & Omega towards innovation and growth.
