Chang Hung-Lun (Fred)
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to Chang Hung-Lun (Fred). 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.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| AAOI | *** See Remarks | Tax Withholding | 614 | $33.40 | $20,508 | Oct 22, 2025 |
| AAOI | *** See Remarks | Sale | 15,784 | $22.70 | $358,297 | Aug 13, 2025 |
| AAOI | *** See Remarks | Tax Withholding | 774 | $28.23 | $21,850 | Jul 22, 2025 |
| AAOI | *** See Remarks | Sale | 23,837 | $19.06 | $454,333 | May 13, 2025 |
| AAOI | *** See Remarks | Tax Withholding | 54,516 | $14.76 | $804,656 | May 9, 2025 |
| AAOI | *** See Remarks | Tax Withholding | 774 | $10.05 | $7,779 | Apr 30, 2025 |
| AAOI | *** See Remarks | Tax Withholding | 967 | $10.05 | $9,718 | Apr 22, 2025 |
| AAOI | *** See Remarks | Award / Grant | 32,397 | — | — | Apr 11, 2025 |
| AAOI | *** See Remarks | Tax Withholding | 996 | $30.15 | $30,029 | Jan 22, 2025 |
| AAOI | *** See Remarks | Sale | 20,323 | $30.35 | $616,803 | Nov 20, 2024 |
| AAOI | *** See Remarks | Sale | 10,000 | $22.11 | $221,100 | Nov 8, 2024 |
| AAOI | *** See Remarks | Sale | 20,323 | $30.35 | $616,803 | Nov 8, 2024 |
| AAOI | *** See Remarks | Tax Withholding | 1,398 | $18.51 | $25,877 | Oct 22, 2024 |
| AAOI | *** See Remarks | Tax Withholding | 633 | $9.68 | $6,127 | Jul 22, 2024 |
| AAOI | *** See Remarks | Tax Withholding | 15,614 | $10.44 | $163,010 | Jun 13, 2024 |
| AAOI | *** See Remarks | Tax Withholding | 686 | $12.12 | $8,314 | May 23, 2024 |
| AAOI | *** See Remarks | Award / Grant | 25,671 | — | — | Apr 29, 2024 |
| AAOI | *** See Remarks | Tax Withholding | 1,080 | $12.12 | $13,090 | Apr 22, 2024 |
| AAOI | *** See Remarks | Tax Withholding | 2,990 | $15.81 | $47,272 | Jan 22, 2024 |
| AAOI | *** See Remarks | Tax Withholding | 922 | $18.53 | $17,085 | Jan 5, 2024 |
| AAOI | *** See Remarks | Tax Withholding | 1,140 | $6.91 | $7,877 | Oct 23, 2023 |
| AAOI | *** See Remarks | Sale | 13,637 | $14.08 | $192,009 | Aug 10, 2023 |
| AAOI | *** See Remarks | Sale | 32,346 | $12.07 | $390,416 | Aug 8, 2023 |
| AAOI | *** See Remarks | Tax Withholding | 2,374 | $2.14 | $5,080 | Jul 24, 2023 |
| AAOI | *** See Remarks | Award / Grant | 112,099 | — | — | Jun 26, 2023 |
| AAOI | *** See Remarks | Tax Withholding | 1,425 | $2.14 | $3,050 | Apr 24, 2023 |
| AAOI | *** See Remarks | Tax Withholding | 1,155 | $2.21 | $2,553 | Jan 23, 2023 |
| AAOI | *** See Remarks | Sale | 50,490 | $2.15 | $108,554 | Nov 10, 2022 |
| AAOI | *** See Remarks | Tax Withholding | 1,612 | $2.74 | $4,417 | Oct 24, 2022 |
| AAOI | *** See Remarks | Tax Withholding | 324 | $1.82 | $590 | Jul 22, 2022 |
| AAOI | *** See Remarks | Award / Grant | 71,428 | — | — | Jun 27, 2022 |
| AAOI | *** See Remarks | Tax Withholding | 1,317 | — | — | Apr 22, 2022 |
| AAOI | *** See Remarks | Tax Withholding | 582 | — | — | Jan 24, 2022 |
| AAOI | *** See Remarks | Tax Withholding | 969 | — | — | Oct 22, 2021 |
| AAOI | *** See Remarks | Tax Withholding | 1,393 | — | — | Jul 22, 2021 |
| AAOI | *** See Remarks | Award / Grant | 59,820 | — | — | Jun 11, 2021 |
| AAOI | *** See Remarks | Award / Grant | 40,455 | — | — | Jun 11, 2021 |
| AAOI | *** See Remarks | Tax Withholding | 1,415 | $7.92 | $11,207 | Apr 22, 2021 |
| AAOI | *** See Remarks | Other | 59,820 | — | — | Feb 19, 2021 |
| AAOI | *** See Remarks | Award / Grant | 59,820 | — | — | Feb 19, 2021 |
| AAOI | *** See Remarks | Sale | 1,080 | $12.25 | $13,230 | Feb 16, 2021 |
| AAOI | *** See Remarks | Sale | 5,400 | $12.00 | $64,800 | Jan 27, 2021 |
| AAOI | *** See Remarks | Tax Withholding | 617 | $10.49 | $6,472 | Jan 22, 2021 |
| AAOI | *** See Remarks | Tax Withholding | 1,552 | $10.65 | $16,529 | Oct 22, 2020 |
| AAOI | *** See Remarks | Sale | 1,080 | $13.36 | $14,429 | Aug 17, 2020 |
| AAOI | *** See Remarks | Tax Withholding | 603 | $13.93 | $8,400 | Jul 22, 2020 |
| AAOI | *** See Remarks | Sale | 1,080 | $12.00 | $12,960 | Jul 20, 2020 |
| AAOI | *** See Remarks | Sale | 5,388 | $11.54 | $62,178 | Jul 6, 2020 |
| AAOI | *** See Remarks | Sale | 5,000 | $10.01 | $50,050 | Jun 8, 2020 |
| AAOI | *** See Remarks | Tax Withholding | 1,552 | $8.28 | $12,851 | Apr 22, 2020 |