Lin Chih-Hsiang (Thompson) — SEC Form 4 filings
SEC reporting owner CIK 1587420. 26 Form 4 filings on record with FilingPulse; latest filed 2026-08-04.
Transaction summary — filings shown
Covers all 26 filings on record, filed 2024-01-24 to 2026-08-04. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 9 legs across 4 filings — 59,655 shares, $1,132,861 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 2 legs across 2 filings — 117,000 shares, $19,874,350 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 67.
- Largest priced transaction: sale of 58,000 shares @ $173.26 ($10,049,080) in APPLIED OPTOELECTRONICS, INC., filed 2026-05-19.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| APPLIED OPTOELECTRONICS, INC. (AAOI) | President and CEO, Director | 26 | 9 legs · 59,655 sh · $1,132,861 | 2 legs · 117,000 sh · $19,874,350 | 67 |
Form 4 filings — Lin Chih-Hsiang (Thompson)
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-04 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Grant/award (A): 9,251 @ $0 | EDGAR |
| 2026-07-23 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 8,753 @ $119.26 · Tax withholding (F): 2,332 @ $119.26 · Tax withholding (F): 2,524 @ $119.26 · Tax withholding (F): 2,031 @ $119.26 | EDGAR |
| 2026-06-16 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 86,655 @ $172.78 · Sale (S): 59,000 @ $166.53 | EDGAR |
| 2026-06-01 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Gift (G): 85,790.27 @ $0 · Gift (G): 85,790.27 @ $0 · Other (J): 721,811.73 · Other (J): 721,811.73 | EDGAR |
| 2026-05-19 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Grant/award (A): 711,743 @ $0 · Tax withholding (F): 86,655 @ $190.36 · Sale (S): 58,000 @ $173.26 | EDGAR |
| 2026-04-24 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 9,331 @ $150.57 · Tax withholding (F): 2,486 @ $150.57 · Tax withholding (F): 2,690 @ $150.57 · Tax withholding (F): 2,165 @ $150.57 | EDGAR |
| 2026-02-11 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Grant/award (A): 82,559 @ $0 | EDGAR |
| 2026-01-26 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 6,230 @ $38.38 · Tax withholding (F): 9,932 @ $38.38 · Tax withholding (F): 2,646 @ $38.38 · Tax withholding (F): 2,864 @ $38.38 | EDGAR |
| 2025-10-24 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 5,491 @ $33.40 · Tax withholding (F): 8,753 @ $33.40 · Tax withholding (F): 2,332 @ $33.40 · Tax withholding (F): 2,524 @ $33.40 | EDGAR |
| 2025-08-15 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Purchase (P): 5,750 @ $21.62 · Purchase (P): 1,405 @ $21.26 · Purchase (P): 920 @ $21.60 | EDGAR |
| 2025-08-14 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Purchase (P): 6,500 @ $23.14 · Purchase (P): 8,850 @ $22.53 · Purchase (P): 3,250 @ $22.65 | EDGAR |
| 2025-07-24 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 3,110 @ $28.23 · Tax withholding (F): 5,491 @ $28.23 · Tax withholding (F): 8,753 @ $28.23 · Tax withholding (F): 2,332 @ $28.23 · Tax withholding (F): 2,524 @ $28.23 | EDGAR |
| 2025-05-14 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Purchase (P): 10,200 @ $18.24 · Purchase (P): 11,000 @ $18.20 | EDGAR |
| 2025-05-13 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Grant/award (A): 446,428 @ $0 · Tax withholding (F): 175,671 @ $14.76 | EDGAR |
| 2025-05-02 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 2,525 @ $10.05 | EDGAR |
| 2025-04-24 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 3,111 @ $10.05 · Tax withholding (F): 5,492 @ $10.05 · Tax withholding (F): 8,754 @ $10.05 · Tax withholding (F): 2,333 @ $10.05 | EDGAR |
| 2025-04-15 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Grant/award (A): 102,591 @ $0 | EDGAR |
| 2025-01-23 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 3,529 @ $30.15 · Tax withholding (F): 5,066 @ $30.15 · Tax withholding (F): 6,230 @ $30.15 · Tax withholding (F): 9,932 @ $30.15 · Tax withholding (F): 2,646 @ $30.15 | EDGAR |
| 2024-10-24 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 3,110 @ $18.51 · Tax withholding (F): 4,465 @ $18.51 · Tax withholding (F): 5,491 @ $18.51 · Tax withholding (F): 8,754 @ $18.51 · Tax withholding (F): 2,332 @ $18.51 | EDGAR |
| 2024-07-24 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 3,111 @ $9.68 · Tax withholding (F): 4,466 @ $9.68 · Tax withholding (F): 5,492 @ $9.68 · Tax withholding (F): 8,754 @ $9.68 · Tax withholding (F): 2,333 @ $9.68 | EDGAR |
| 2024-06-17 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Grant/award (A): 252,844 @ $0 · Disposition to issuer (D): 126,422 @ $10.44 · Tax withholding (F): 49,559 @ $10.44 | EDGAR |
| 2024-05-28 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 2,647 @ $12.12 | EDGAR |
| 2024-05-01 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Grant/award (A): 94,786 @ $0 | EDGAR |
| 2024-04-24 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 3,530 @ $12.12 · Tax withholding (F): 5,066 @ $12.12 · Tax withholding (F): 6,230 @ $12.12 · Tax withholding (F): 9,933 @ $12.12 | EDGAR |
| 2024-03-18 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Purchase (P): 11,780 @ $12.66 | EDGAR |
| 2024-01-24 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 5,212 @ $15.81 · Tax withholding (F): 3,529 @ $15.81 · Tax withholding (F): 5,066 @ $15.81 · Tax withholding (F): 6,231 @ $15.81 · Tax withholding (F): 9,933 @ $15.81 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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