Singer Michael — SEC Form 4 filings
SEC reporting owner CIK 2000122. 7 Form 4 filings on record with FilingPulse; latest filed 2026-03-13.
Transaction summary — filings shown
Covers all 7 filings on record, filed 2024-04-10 to 2026-03-13. 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): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 22.
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 |
|---|---|---|---|---|---|
| Cartesian Therapeutics, Inc. (RNAC) | Director | 7 | — | — | 22 |
Form 4 filings — Singer Michael
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-03-13 | 4 | Cartesian Therapeutics, Inc. (RNAC) | Gift (G): 6,555 @ $0 | EDGAR |
| 2026-01-06 | 4 | Cartesian Therapeutics, Inc. (RNAC) | Grant/award (A): 2,600 @ $0 · Grant/award (A): 7,800 (derivative) @ $0 | EDGAR |
| 2025-11-19 | 4 | Cartesian Therapeutics, Inc. (RNAC) | Gift (G): 20,000 @ $0 | EDGAR |
| 2025-01-06 | 4 | Cartesian Therapeutics, Inc. (RNAC) | Grant/award (A): 2,600 @ $0 · Grant/award (A): 7,800 (derivative) @ $0 | EDGAR |
| 2024-12-30 | 4 | Cartesian Therapeutics, Inc. (RNAC) | Gift (G): 20,000 @ $0 | EDGAR |
| 2024-11-21 | 4 | Cartesian Therapeutics, Inc. (RNAC) | Gift (G): 28,821 @ $0 | EDGAR |
| 2024-04-10 | 4 | Cartesian Therapeutics, Inc. (RNAC) | Option exercise (M): 110,151 · Option exercise (M): 377,208 · Option exercise (M): 55,746 · Option exercise (M): 7,005 · Option exercise (M): 14,535 · Option exercise (M): 94,568 · +8 more | 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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