Braunstein Scott — SEC Form 4 filings
SEC reporting owner CIK 1643875. 18 Form 4 filings on record with FilingPulse; latest filed 2026-09-11.
Transaction summary — filings shown
Covers all 18 filings on record, filed 2024-01-19 to 2026-09-11. 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 — 5,933 shares, $6,526 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 2 legs across 2 filings — 23,995 shares, $131,513 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 34.
- Largest priced transaction: sale of 11,850 shares @ $9.94 ($117,789) in MARINUS PHARMACEUTICALS, INC., filed 2024-02-21.
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 |
|---|---|---|---|---|---|
| MARINUS PHARMACEUTICALS, INC. (MRNS) | CHAIRMAN AND CEO, Director | 6 | 1 leg · 5,933 sh · $6,526 | 2 legs · 23,995 sh · $131,513 | 17 |
| AtaiBeckley Inc. (ATAI) | Director | 2 | — | — | 6 |
| RAPT Therapeutics, Inc. (RAPT) | Director | 3 | — | — | 4 |
| Atai Beckley N.V. (ATAI) | Director | 3 | — | — | 3 |
| Caribou Biosciences, Inc. (CRBU) | Director | 3 | — | — | 3 |
| TREVENA INC (TRVN) | Director | 1 | — | — | 1 |
Form 4 filings — Braunstein Scott
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-11 | 4 | AtaiBeckley Inc. (ATAI) | Disposition to issuer (D): 206,000 (derivative) · Disposition to issuer (D): 103,000 (derivative) · Disposition to issuer (D): 56,818 (derivative) · Disposition to issuer (D): 208,063 (derivative) | EDGAR |
| 2026-06-08 | 4 | AtaiBeckley Inc. (ATAI) | Grant/award (A): 121,968 (derivative) @ $0 · Grant/award (A): 86,095 (derivative) @ $0 | EDGAR |
| 2026-03-05 | 4 | RAPT Therapeutics, Inc. (RAPT) | Code (U): 4,956 · Disposition to issuer (D): 25,000 (derivative) | EDGAR |
| 2026-02-20 | 4 | Caribou Biosciences, Inc. (CRBU) | Grant/award (A): 45,000 (derivative) @ $0 | EDGAR |
| 2026-02-02 | 4 | RAPT Therapeutics, Inc. (RAPT) | Grant/award (A): 4,956 @ $0 | EDGAR |
| 2025-11-06 | 4 | Atai Beckley N.V. (ATAI) | Grant/award (A): 56,818 (derivative) @ $0 | EDGAR |
| 2025-06-27 | 4 | ATAI Life Sciences N.V. (ATAI) | Grant/award (A): 103,000 (derivative) @ $0 | EDGAR |
| 2025-06-24 | 4 | RAPT Therapeutics, Inc. (RAPT) | Grant/award (A): 25,000 (derivative) @ $0 | EDGAR |
| 2025-02-21 | 4 | Caribou Biosciences, Inc. (CRBU) | Grant/award (A): 40,500 (derivative) @ $0 | EDGAR |
| 2025-02-11 | 4 | MARINUS PHARMACEUTICALS, INC. (MRNS) | Purchase (P): 5,933 @ $1.10 · Disposition to issuer (D): 125,064 @ $0.55 · Disposition to issuer (D): 179,536 @ $0.55 · Disposition to issuer (D): 167,825 (derivative) @ $0 · Disposition to issuer (D): 335,650 (derivative) @ $0 · Disposition to issuer (D): 360,000 (derivative) @ $0 · +6 more | EDGAR |
| 2024-08-07 | 4 | MARINUS PHARMACEUTICALS, INC. (MRNS) | Sale (S): 12,145 @ $1.13 | EDGAR |
| 2024-06-20 | 4 | MARINUS PHARMACEUTICALS, INC. (MRNS) | Grant/award (A): 37,300 @ $0 · Grant/award (A): 167,825 (derivative) @ $0 | EDGAR |
| 2024-06-17 | 4 | TREVENA INC (TRVN) | Grant/award (A): 13,700 (derivative) @ $0 | EDGAR |
| 2024-06-14 | 4 | ATAI Life Sciences N.V. (ATAI) | Grant/award (A): 206,000 (derivative) @ $0 | EDGAR |
| 2024-03-27 | 4 | MARINUS PHARMACEUTICALS, INC. (MRNS) | Option exercise (M): 50,000 @ $4.28 · Option exercise (M): 50,000 (derivative) @ $0 | EDGAR |
| 2024-02-22 | 4 | Caribou Biosciences, Inc. (CRBU) | Grant/award (A): 39,500 (derivative) @ $0 | EDGAR |
| 2024-02-21 | 4 | MARINUS PHARMACEUTICALS, INC. (MRNS) | Sale (S): 11,850 @ $9.94 | EDGAR |
| 2024-01-19 | 4 | MARINUS PHARMACEUTICALS, INC. (MRNS) | Grant/award (A): 74,600 @ $0 · Grant/award (A): 335,650 (derivative) @ $0 | 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.
Need this as JSON?
GET https://api.filingpulse.io/v1/insider-trades?owner_cik=1643875 returns every filing on this page — normalized, with footnotes and derivative legs — and webhooks push new filings to you in seconds. API docs →