Tammenoms Bakker Juliet — SEC Form 4 filings
SEC reporting owner CIK 1431159. 10 Form 4 filings on record with FilingPulse; latest filed 2026-06-18.
Transaction summary — filings shown
Covers all 10 filings on record, filed 2024-02-15 to 2026-06-18. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 4 legs across 3 filings — 250,234 shares, $4,745,107 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 5 legs across 2 filings — 157,739 shares, $663,949 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 11.
- Largest priced transaction: purchase of 237,234 shares @ $17.00 ($4,032,978) in Ceribell, Inc., filed 2024-10-16.
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 |
|---|---|---|---|---|---|
| Ceribell, Inc. (CBLL) | Director | 3 | 1 leg · 237,234 sh · $4,032,978 | — | 5 |
| RxSight, Inc. (RXST) | Director | 5 | 3 legs · 13,000 sh · $712,129 | — | 3 |
| RAPID MICRO BIOSYSTEMS, INC. (RPID) | 10% owner | 2 | — | 5 legs · 157,739 sh · $663,949 | 3 |
Form 4 filings — Tammenoms Bakker Juliet
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-18 | 4 | RxSight, Inc. (RXST) | Grant/award (A): 37,037 | EDGAR |
| 2026-06-04 | 4 | Ceribell, Inc. (CBLL) | Grant/award (A): 7,838 @ $0 | EDGAR |
| 2026-02-06 | 4 | RAPID MICRO BIOSYSTEMS, INC. (RPID) jointly with Longitude Capital Partners II, LLC, Longitude Venture Partners II, L.P., Longitude Prime Partners, LLC, Longitude Prime Fund, L.P., ENRIGHT PATRICK G | Sale (S): 49,000 @ $3.88 | EDGAR |
| 2026-02-03 | 4 | RAPID MICRO BIOSYSTEMS, INC. (RPID) jointly with Longitude Capital Partners II, LLC, Longitude Venture Partners II, L.P., Longitude Prime Partners, LLC, ENRIGHT PATRICK G | Option exercise/expiry (X): 629,032 @ $0.05 · Sale (S): 7,739 @ $4.06 · Sale (S): 46,000 @ $4.54 · Sale (S): 27,500 @ $4.25 · Sale (S): 27,500 @ $4.24 · Option exercise/expiry (X): 500,000 (derivative) @ $0 · +1 more | EDGAR |
| 2025-06-17 | 4 | Ceribell, Inc. (CBLL) | Grant/award (A): 8,828 @ $0 | EDGAR |
| 2025-06-04 | 4 | RxSight, Inc. (RXST) | Grant/award (A): 10,752 | EDGAR |
| 2024-10-16 | 4 | Ceribell, Inc. (CBLL) | Grant/award (A): 6,618 @ $0 · Conversion (C): 2,140,600 · Purchase (P): 237,234 @ $17 · Conversion (C): 2,140,600 (derivative) @ $0 | EDGAR |
| 2024-06-10 | 4 | RxSight, Inc. (RXST) | Grant/award (A): 2,554 | EDGAR |
| 2024-05-21 | 4 | RxSight, Inc. (RXST) | Purchase (P): 5,000 @ $61.09 | EDGAR |
| 2024-02-15 | 4 | RxSight, Inc. (RXST) | Purchase (P): 4,000 @ $50.38 · Purchase (P): 4,000 @ $51.29 | 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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