InsidersTradesSigma
Total declarations
Company
▲ Purchases (1 ops.)
▼ Sales (3 ops.)
Insider track record
ExecutiveDisclosed buys
1
Disclosed sells
3
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
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, 37 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 13 August 2026 (Don). Regulator: SEC (Form 4). All data is openly available.
Companies and markets linked to Chang Mike F
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations37 total
3,000,000 shares0Common SharesSEC:0001628280-26-057089:0
23,754 shares0Common SharesSEC:0001628280-26-048371:0
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
22,500 shares0Common SharesSEC:0001511393-26-000004:0
33,727 shares@ US$19.000.035% mcap7.0% of flowCommon SharesSEC:0001387467-26-000020:0
Canonical exit: 7 Jun 2026 (T+90)
16,700 shares@ US$20.663.7% of flowCommon SharesSEC:0001387467-26-000001:0
40,000 shares0Common SharesSEC:0001387467-25-000060:0
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
22,500 shares0Common SharesSEC:0001387467-25-000030:0
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
25 of 37 declarations
About Chang Mike F
Chang Mike F is Director at ALPHA & OMEGA SEMICONDUCTOR Ltd (XNAS). He has 36 filings in total, and across the sampled recent filings, buys amount to EUR 556104 and sells to EUR 3187903, over the period from 2021-07-16 to 2026-07-15; the most frequent transaction nature is Don.
