Atchinson Robert — SEC Form 4 filings
SEC reporting owner CIK 1403404. 3 Form 4 filings on record with FilingPulse; latest filed 2025-10-17.
Transaction summary — filings shown
Covers all 3 filings on record, filed 2024-05-08 to 2025-10-17. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 1 leg across 1 filing — 252,545 shares, $1,909,240 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 10 legs across 1 filing — 313,910 shares, $33,198,124 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 1.
- Largest priced transaction: sale of 250,000 shares @ $104.31 ($26,077,375) in Praxis Precision Medicines, Inc., filed 2025-10-17.
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 |
|---|---|---|---|---|---|
| Praxis Precision Medicines, Inc. (PRAX) | 10% owner | 1 | — | 10 legs · 313,910 sh · $33,198,124 | — |
| Solid Biosciences Inc. (SLDB) | 10% owner | 1 | 1 leg · 252,545 sh · $1,909,240 | — | — |
| ABEONA THERAPEUTICS INC. (ABEO) | 10% owner | 1 | — | — | 1 |
Form 4 filings — Atchinson Robert
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2025-10-17 | 4 | Praxis Precision Medicines, Inc. (PRAX) jointly with Adage Capital Management, L.P., Gross Phillip | Sale (S): 12,600 @ $90.00 · Sale (S): 447 @ $91.04 · Sale (S): 1,363 @ $92.03 · Sale (S): 559 @ $100.11 · Sale (S): 27,287 @ $101 · Sale (S): 250,000 @ $104.31 · +4 more | EDGAR |
| 2025-02-19 | 4 | Solid Biosciences Inc. (SLDB) jointly with Adage Capital Management, L.P., Gross Phillip | Purchase (P): 252,545 @ $7.56 | EDGAR |
| 2024-05-08 | 4 | ABEONA THERAPEUTICS INC. (ABEO) jointly with Adage Capital Management, L.P., Gross Phillip | Purchase (P): 2,948,475 (derivative) @ $4.07 | 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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