Hung-Lun (Fred) Chang
Hung-Lun (Fred) Chang: *** See Remarks at Applied Optoelectronics. What Hung-Lun (Fred) Chang holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
Applied Optoelectronics (AAOI)
Hung-Lun (Fred) Chang holds 249,276 Applied Optoelectronics shares (0.29% of the company), worth about $29.3M at the last price, according to the Form 4 of Sep 8, 2026.
- Shares held: 249,276 (0.29%), $29.3M — Held in their own name.
Declarations
- Applied Optoelectronics (AAOI) — Form 4 of Sep 8, 2026 (*** See Remarks): open-market sale of 32,172 at $110.21; 249,276 shares after 0001683168-26-007059
- Applied Optoelectronics (AAOI) — Form 4 of Jul 22, 2026 (*** See Remarks): shares withheld for tax of 2,674 at $119.26; shares withheld for tax of 613 at $119.26; 281,448 shares after 0001683168-26-005738
- Applied Optoelectronics (AAOI) — Form 4 of Jun 17, 2026 (*** See Remarks): open-market sale of 40,329 at $170.60; 286,124 shares after 0001683168-26-004979
- Applied Optoelectronics (AAOI) — Form 4 of Jun 12, 2026 (*** See Remarks): shares withheld for tax of 27,297 at $172.78; open-market sale of 34,000 at $166.53; 326,453 shares after 0001683168-26-004878
- Applied Optoelectronics (AAOI) — Form 4 of Jun 5, 2026 (*** See Remarks): open-market sale of 4,000 at $200.07; 387,750 shares after 0001683168-26-004625
- Applied Optoelectronics (AAOI) — Form 4 of May 19, 2026 (*** See Remarks): grant or award of 224,199; shares withheld for tax of 27,297 at $190.36; 391,750 shares after 0001683168-26-004132
- Applied Optoelectronics (AAOI) — Form 4 of Apr 22, 2026 (*** See Remarks): shares withheld for tax of 2,940 at $150.57; shares withheld for tax of 673 at $150.57; 228,478 shares after 0001683168-26-003186
- Applied Optoelectronics (AAOI) — Form 4 of Mar 16, 2026 (*** See Remarks): open-market sale of 36,400 at $100.25; 233,618 shares after 0001683168-26-001979
- Applied Optoelectronics (AAOI) — Form 4 of Feb 9, 2026 (*** See Remarks): grant or award of 25,799; 270,018 shares after 0001683168-26-000922
- Applied Optoelectronics (AAOI) — Form 4 of Jan 22, 2026 (*** See Remarks): shares withheld for tax of 1,874 at $38.38; shares withheld for tax of 2,940 at $38.38; 244,219 shares after 0001683168-26-000531
- Applied Optoelectronics (AAOI) — Form 4 of Oct 22, 2025 (*** See Remarks): shares withheld for tax of 1,705 at $33.40; shares withheld for tax of 2,676 at $33.40; 250,557 shares after 0001683168-25-007765
- Applied Optoelectronics (AAOI) — Form 4 of Aug 13, 2025 (*** See Remarks): open-market sale of 15,784 at $22.70; 256,326 shares after 0001683168-25-006188
- Applied Optoelectronics (AAOI) — Form 4 of Jul 22, 2025 (*** See Remarks): shares withheld for tax of 966 at $28.23; shares withheld for tax of 1,704 at $28.23; 272,110 shares after 0001683168-25-005362
- Applied Optoelectronics (AAOI) — Form 4 of May 13, 2025 (*** See Remarks): open-market sale of 23,837 at $19.06; 278,842 shares after 0001683168-25-003573
- Applied Optoelectronics (AAOI) — Form 4 of May 13, 2025 (*** See Remarks): grant or award of 142,857; shares withheld for tax of 54,516 at $14.76; 302,679 shares after 0001683168-25-003499
Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.