Kollender Richard S — SEC Form 4 filings
SEC reporting owner CIK 1415666. 5 Form 4 filings on record with FilingPulse; latest filed 2026-07-24.
Transaction summary — filings shown
Covers all 5 filings on record, filed 2024-05-28 to 2026-07-24. 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 — 65,000 shares, $50,128 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 10.
- Largest priced transaction: purchase of 65,000 shares @ $0.77 ($50,128) in RAPID MICRO BIOSYSTEMS, INC., filed 2024-08-07.
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 |
|---|---|---|---|---|---|
| RAPID MICRO BIOSYSTEMS, INC. (RPID) | Director | 5 | 1 leg · 65,000 sh · $50,128 | — | 10 |
Form 4 filings — Kollender Richard S
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-07-24 | 4 | RAPID MICRO BIOSYSTEMS, INC. (RPID) | Option exercise (M): 1,681 @ $0.75 · Option exercise (M): 1,827 @ $0.75 · Option exercise (M): 1,681 (derivative) @ $0 · Option exercise (M): 1,827 (derivative) @ $0 | EDGAR |
| 2026-05-26 | 4 | RAPID MICRO BIOSYSTEMS, INC. (RPID) | Grant/award (A): 19,300 @ $0 · Grant/award (A): 38,700 (derivative) @ $0 | EDGAR |
| 2025-05-27 | 4 | RAPID MICRO BIOSYSTEMS, INC. (RPID) | Grant/award (A): 14,300 @ $0 · Grant/award (A): 28,650 (derivative) @ $0 | EDGAR |
| 2024-08-07 | 4 | RAPID MICRO BIOSYSTEMS, INC. (RPID) | Purchase (P): 65,000 @ $0.77 | EDGAR |
| 2024-05-28 | 4 | RAPID MICRO BIOSYSTEMS, INC. (RPID) | Grant/award (A): 14,300 @ $0 · Grant/award (A): 28,650 (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.
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