EdgarLookup

Chang Mike F

Insider transactions at 1 company

This page shows all SEC Form 4 filings attributed to Chang Mike F. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.

AOSL
Company Title Type Shares Price Value Date
AOSL Gift 40,000 Oct 20, 2025
AOSL Chairman of Board Tax Withholding 27,296 $27.61 $753,643 Mar 17, 2025
AOSL Executive Chairman Tax Withholding 22,446 $36.54 $820,177 Jan 2, 2025
AOSL Executive Chairman Gift 30,000 Dec 3, 2024
AOSL Executive Chairman Gift 10,000 Aug 28, 2024
AOSL Executive Chairman Gift 30,000 May 10, 2024
AOSL Executive Chairman Award / Grant 37,500 Mar 15, 2024
AOSL Executive Chairman Option Exercise 30,000 $7.44 $223,200 Jan 29, 2024
AOSL Executive Chairman Award / Grant 180,000 Jan 2, 2024
AOSL Executive Chairman Sale 30,000 $26.53 $795,900 Dec 28, 2023
AOSL Executive Chairman Option Exercise 30,000 $7.44 $223,200 Dec 14, 2023
AOSL Executive Chairman Option Exercise 30,000 $7.44 $223,200 Oct 26, 2023
AOSL Executive Chairman Option Exercise 30,000 $7.44 $223,200 Sep 26, 2023
AOSL Executive Chairman Gift 50,000 Sep 14, 2023
AOSL Executive Chairman Gift 10,000 Sep 6, 2023
AOSL Executive Chairman Option Exercise 30,000 $7.44 $223,200 Sep 1, 2023
AOSL Executive Chairman Award / Grant 54,180 Mar 15, 2023
AOSL Chief Executive Officer Option Exercise 56,400 $8.45 $476,580 Jan 9, 2023
AOSL Chief Executive Officer Gift 20,000 Mar 22, 2022
AOSL Chief Executive Officer Award / Grant 22,500 Mar 15, 2022
AOSL Chief Executive Officer Gift 10,000 Nov 10, 2021
AOSL Chief Executive Officer Tax Withholding 22,238 $36.27 $806,572 Mar 15, 2021
AOSL Chief Executive Officer Gift 25,000 Jan 29, 2021
AOSL Chief Executive Officer Sale 20,000 $28.89 $577,800 Jan 11, 2021
AOSL Chief Executive Officer Sale 6,979 $28.23 $197,017 Jan 7, 2021
AOSL Chief Executive Officer Option Exercise 94,000 $12.68 $1,191,920 Oct 5, 2020
AOSL Chief Executive Officer Award / Grant 70,000 Mar 16, 2020
AOSL Chief Executive Officer Award / Grant 14,175 Mar 16, 2020
AOSL Chief Executive Officer Tax Withholding 15,418 $11.18 $172,373 Mar 15, 2019
AOSL Chief Executive Officer Award / Grant 22,500 Feb 27, 2019
AOSL Chief Executive Officer Purchase 480 $9.99 $4,795 Jan 3, 2019
AOSL Chief Executive Officer Purchase 11,900 $9.94 $118,286 Dec 24, 2018
AOSL Chief Executive Officer Purchase 8,700 $9.98 $86,826 Dec 21, 2018
AOSL Chief Executive Officer Purchase 17,050 $9.99 $170,330 Dec 19, 2018
AOSL Chief Executive Officer Purchase 800 $10.00 $8,000 Dec 11, 2018
AOSL Chief Executive Officer Purchase 24,775 $9.96 $246,759 Dec 7, 2018
AOSL Chief Executive Officer Purchase 3,930 $10.00 $39,300 Nov 20, 2018
AOSL Chief Executive Officer Tax Withholding 4,697 $16.22 $76,185 Mar 15, 2018
AOSL Chief Executive Officer Award / Grant 26,916 Mar 12, 2018
AOSL Chief Executive Officer Tax Withholding 8,785 $17.58 $154,440 Mar 15, 2017
AOSL Chief Executive Officer Tax Withholding 1,373 $21.48 $29,492 Feb 14, 2017
AOSL Chief Executive Officer Gift 10,000 Dec 13, 2016
AOSL Chief Executive Officer Sale 21,123 $21.00 $443,583 Nov 11, 2016
AOSL Chief Executive Officer Gift 50,000 Oct 10, 2016
AOSL Chief Executive Officer Tax Withholding 97 $13.65 $1,324 Apr 26, 2016
AOSL Chief Executive Officer Tax Withholding 288 $10.80 $3,110 Mar 28, 2016
AOSL Chief Executive Officer Tax Withholding 5,172 $11.70 $60,512 Mar 15, 2016
AOSL Chief Executive Officer Tax Withholding 1,372 $11.34 $15,558 Feb 16, 2016
AOSL Chief Executive Officer Tax Withholding 288 $9.39 $2,704 Dec 28, 2015
AOSL Chief Executive Officer Tax Withholding 289 $7.88 $2,277 Sep 28, 2015