ROBINS CHAD M
Director · Officer · ADPT
As of 2026-09-16, ROBINS CHAD M has 45 Form 4 transactions on record across 1 company — 25 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in March in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-18 | ADPT | Sale | 278,472 @ $24.48 | $6.8M | −11.3% of holding | 2,180,722 | Form 4 |
| 2026-08-18 | ADPT | Sale | 204 @ $25.14 | $5K | −0.0% of holding | 2,180,518 | Form 4 |
| 2026-08-17 | ADPT | Sale | 318,799 @ $25.08 | $8.0M | −12.7% of holding | 2,183,043 | Form 4 |
| 2026-08-17 | ADPT | Sale | 2,525 @ $25.57 | $65K | −0.1% of holding | 2,180,518 | Form 4 |
| 2026-04-08 | ADPT | Sale | 37,263 @ $15.19 | $566K | −1.7% of holding | 2,180,518 | Form 4 |
| 2026-04-06 | ADPT | Sale | 83,332 @ $14.41 | $1.2M | −3.6% of holding | 2,217,781 | Form 4 |
| 2026-03-11 | ADPT | Sale | 329,600 @ $13.17 | $4.3M | −12.5% of holding | 2,301,113 | Form 4 |
| 2026-03-11 | ADPT | Sale | 140,567 @ $13.17 | $1.9M | −5.1% of holding | 2,630,713 | Form 4 |
| 2026-03-03 | ADPT | Sale | 50,703 @ $15.49 | $785K | −2.6% of holding | 1,936,627 | Form 4 |
| 2026-03-03 | ADPT | Sale | 2,380 @ $16.15 | $38K | −0.1% of holding | 1,934,247 | Form 4 |
| 2026-03-02 | ADPT | Sale | 289,024 @ $15.82 | $4.6M | −12.7% of holding | 1,987,330 | Form 4 |
| 2026-02-27 | ADPT | Sale | 182,891 @ $15.99 | $2.9M | −7.4% of holding | 2,276,354 | Form 4 |
| 2026-02-02 | ADPT | Sale | 124,998 @ $18.44 | $2.3M | −4.8% of holding | 2,459,245 | Form 4 |
| 2026-01-05 | ADPT | Sale | 124,998 @ $15.59 | $1.9M | −4.6% of holding | 2,584,243 | Form 4 |
| 2025-12-01 | ADPT | Sale | 124,998 @ $18.94 | $2.4M | −4.4% of holding | 2,709,241 | Form 4 |
| 2025-11-26 | ADPT | Sale | 35,736 @ $19.68 | $703K | −1.2% of holding | 2,834,239 | Form 4 |
| 2025-11-12 | ADPT | Sale | 1,867 @ $15.00 | $28K | −0.1% of holding | 2,869,975 | Form 4 |
| 2025-11-11 | ADPT | Sale | 1,237 @ $14.57 | $18K | −0.0% of holding | 2,871,851 | Form 4 |
| 2025-11-10 | ADPT | Sale | 86,161 @ $14.73 | $1.3M | −2.9% of holding | 2,873,088 | Form 4 |
| 2025-03-06 | ADPT | Sale | 102,218 @ $7.64 | $781K | −3.3% of holding | 2,959,249 | Form 4 |
| 2025-03-05 | ADPT | Sale | 81,206 @ $6.98 | $567K | −2.8% of holding | 2,850,495 | Form 4 |
| 2025-03-05 | ADPT | Sale | 36,145 @ $6.99 | $253K | −1.3% of holding | 2,814,350 | Form 4 |
| 2025-02-20 | ADPT | Sale | 99,107 @ $8.44 | $836K | −3.7% of holding | 2,576,701 | Form 4 |
| 2025-02-19 | ADPT | Sale | 186,080 @ $8.46 | $1.6M | −6.7% of holding | 2,576,701 | Form 4 |
| 2025-02-18 | ADPT | Sale | 211,160 @ $8.50 | $1.8M | −7.6% of holding | 2,576,701 | Form 4 |
| 2025-02-14 | ADPT | Sale | 158,921 @ $8.46 | $1.3M | −5.8% of holding | 2,576,701 | Form 4 |
| 2025-02-13 | ADPT | Sale | 100,287 @ $8.44 | $846K | −3.7% of holding | 2,576,701 | Form 4 |
18 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-18 | ADPT | Option exercise | 278,676 | 2,459,194 | Form 4 |
| 2026-08-18 | ADPT | Option exercise | 278,676 | 0 | Form 4 |
| 2026-08-17 | ADPT | Option exercise | 321,324 | 2,501,842 | Form 4 |
| 2026-08-17 | ADPT | Option exercise | 321,324 | 278,676 | Form 4 |
| 2026-03-06 | ADPT | Award / grant | 709,220 | 2,771,280 | Form 4 |
| 2026-03-04 | ADPT | Award / grant | 127,813 | 2,062,060 | Form 4 |
| 2025-03-05 | ADPT | Award / grant | 247,117 | 3,061,467 | Form 4 |
| 2025-03-04 | ADPT | Award / grant | 355,000 | 2,931,701 | Form 4 |
| 2025-02-20 | ADPT | Option exercise | 99,107 | 2,675,808 | Form 4 |
| 2025-02-20 | ADPT | Option exercise | 99,107 | 0 | Form 4 |
| 2025-02-19 | ADPT | Option exercise | 186,080 | 2,762,781 | Form 4 |
| 2025-02-19 | ADPT | Option exercise | 186,080 | 99,107 | Form 4 |
| 2025-02-18 | ADPT | Option exercise | 211,160 | 2,787,861 | Form 4 |
| 2025-02-18 | ADPT | Option exercise | 211,160 | 285,187 | Form 4 |
| 2025-02-14 | ADPT | Option exercise | 158,921 | 2,735,622 | Form 4 |
| 2025-02-14 | ADPT | Option exercise | 158,921 | 496,347 | Form 4 |
| 2025-02-13 | ADPT | Option exercise | 100,287 | 2,676,988 | Form 4 |
| 2025-02-13 | ADPT | Option exercise | 100,287 | 655,268 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.