ROBINS CHAD M — SEC Form 4 filings
SEC reporting owner CIK 1780649. 13 Form 4 filings on record with FilingPulse; latest filed 2026-08-19.
Transaction summary — filings shown
Covers all 13 filings on record, filed 2024-03-06 to 2026-08-19. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 29 legs across 12 filings — 3,239,552 shares, $47,965,204 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 19.
- Largest priced transaction: sale of 318,799 shares @ $25.08 ($7,995,479) in Adaptive Biotechnologies Corp, filed 2026-08-19.
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 |
|---|---|---|---|---|---|
| Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman, Director | 13 | — | 29 legs · 3,239,552 sh · $47,965,204 | 19 |
Form 4 filings — ROBINS CHAD M
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-19 | 4 | Adaptive Biotechnologies Corp (ADPT) | Option exercise (M): 321,324 @ $6.55 · Sale (S): 318,799 @ $25.08 · Sale (S): 2,525 @ $25.57 · Option exercise (M): 278,676 @ $6.55 · Sale (S): 278,472 @ $24.48 · Sale (S): 204 @ $25.14 · +2 more | EDGAR |
| 2026-04-08 | 4 | Adaptive Biotechnologies Corp (ADPT) | Sale (S): 83,332 @ $14.41 · Sale (S): 37,263 @ $15.19 | EDGAR |
| 2026-03-13 | 4 | Adaptive Biotechnologies Corp (ADPT) | Sale (S): 140,567 @ $13.17 · Sale (S): 329,600 @ $13.17 | EDGAR |
| 2026-03-06 | 4 | Adaptive Biotechnologies Corp (ADPT) | Grant/award (A): 127,813 @ $0 · Grant/award (A): 709,220 @ $0 | EDGAR |
| 2026-03-03 | 4 | Adaptive Biotechnologies Corp (ADPT) | Sale (S): 182,891 @ $15.99 · Sale (S): 289,024 @ $15.82 · Sale (S): 50,703 @ $15.49 · Sale (S): 2,380 @ $16.15 | EDGAR |
| 2026-02-04 | 4 | Adaptive Biotechnologies Corp (ADPT) | Sale (S): 124,998 @ $18.44 | EDGAR |
| 2026-01-07 | 4 | Adaptive Biotechnologies Corp (ADPT) | Sale (S): 124,998 @ $15.59 | EDGAR |
| 2025-12-01 | 4 | Adaptive Biotechnologies Corp (ADPT) | Sale (S): 35,736 @ $19.68 · Sale (S): 124,998 @ $18.94 | EDGAR |
| 2025-11-12 | 4 | Adaptive Biotechnologies Corp (ADPT) | Sale (S): 86,161 @ $14.73 · Sale (S): 1,237 @ $14.57 · Sale (S): 1,867 @ $15 | EDGAR |
| 2025-03-06 | 4 | Adaptive Biotechnologies Corp (ADPT) | Grant/award (A): 355,000 @ $0 · Sale (S): 81,206 @ $6.98 · Sale (S): 36,145 @ $6.99 · Grant/award (A): 247,117 @ $0 · Sale (S): 102,218 @ $7.64 | EDGAR |
| 2025-02-21 | 4 | Adaptive Biotechnologies Corp (ADPT) | Option exercise (M): 186,080 @ $6.32 · Sale (S): 186,080 @ $8.46 · Option exercise (M): 99,107 @ $6.32 · Sale (S): 99,107 @ $8.44 · Option exercise (M): 186,080 (derivative) @ $0 · Option exercise (M): 99,107 (derivative) @ $0 | EDGAR |
| 2025-02-18 | 4 | Adaptive Biotechnologies Corp (ADPT) | Option exercise (M): 100,287 @ $6.32 · Sale (S): 100,287 @ $8.44 · Option exercise (M): 158,921 @ $6.32 · Sale (S): 158,921 @ $8.46 · Option exercise (M): 211,160 @ $6.32 · Sale (S): 211,160 @ $8.50 · +3 more | EDGAR |
| 2024-03-06 | 4 | Adaptive Biotechnologies Corp (ADPT) | Grant/award (A): 354,610 @ $0 · Sale (S): 5,879 @ $3.44 · Sale (S): 42,794 @ $3.43 | 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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