Bylund James — SEC Form 4 filings
SEC reporting owner CIK 1849642. 16 Form 4 filings on record with FilingPulse; latest filed 2026-03-23.
Transaction summary — filings shown
Covers all 16 filings on record, filed 2024-02-26 to 2026-03-23. 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): 2 legs across 2 filings — 6,564 shares, $1,197,505 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 25.
- Largest priced transaction: sale of 4,373 shares @ $198.08 ($866,204) in REPLIGEN CORP, filed 2024-02-26.
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 |
|---|---|---|---|---|---|
| REPLIGEN CORP (RGEN) | Chief Operating Officer | 16 | — | 2 legs · 6,564 sh · $1,197,505 | 25 |
Form 4 filings — Bylund James
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-03-23 | 4 | REPLIGEN CORP (RGEN) | Grant/award (A): 7,751 @ $0 · Grant/award (A): 8,315 (derivative) @ $0 | EDGAR |
| 2026-03-05 | 4 | REPLIGEN CORP (RGEN) | Grant/award (A): 125 @ $0 · Tax withholding (F): 62 @ $125.84 | EDGAR |
| 2026-03-03 | 4 | REPLIGEN CORP (RGEN) | Tax withholding (F): 1,478 @ $128.73 · Tax withholding (F): 2,433 @ $124.97 | EDGAR |
| 2025-11-19 | 4 | REPLIGEN CORP (RGEN) | Sale (S): 2,191 @ $151.21 | EDGAR |
| 2025-04-02 | 4 | REPLIGEN CORP (RGEN) | Tax withholding (F): 454 @ $128.50 | EDGAR |
| 2025-03-20 | 4 | REPLIGEN CORP (RGEN) | Grant/award (A): 381 @ $0 · Tax withholding (F): 175 @ $142.44 | EDGAR |
| 2025-03-04 | 4 | REPLIGEN CORP (RGEN) | Grant/award (A): 6,435 @ $0 · Tax withholding (F): 1,239 @ $155.38 · Grant/award (A): 6,056 (derivative) @ $0 | EDGAR |
| 2025-02-28 | 4 | REPLIGEN CORP (RGEN) | Tax withholding (F): 1,285 @ $156.54 | EDGAR |
| 2025-02-25 | 4 | REPLIGEN CORP (RGEN) | Tax withholding (F): 543 @ $164.74 | EDGAR |
| 2024-04-04 | 4 | REPLIGEN CORP (RGEN) | Tax withholding (F): 444 @ $182.95 | EDGAR |
| 2024-03-07 | 4 | REPLIGEN CORP (RGEN) | Tax withholding (F): 1,206 @ $195.72 | EDGAR |
| 2024-03-06 | 4 | REPLIGEN CORP (RGEN) | Tax withholding (F): 197 @ $193.99 · Tax withholding (F): 22 @ $195.52 | EDGAR |
| 2024-03-05 | 4 | REPLIGEN CORP (RGEN) | Grant/award (A): 50 @ $0 | EDGAR |
| 2024-03-04 | 4 | REPLIGEN CORP (RGEN) | Grant/award (A): 404 @ $0 · Tax withholding (F): 820 @ $191.79 | EDGAR |
| 2024-02-29 | 4 | REPLIGEN CORP (RGEN) | Grant/award (A): 8,691 @ $0 · Grant/award (A): 8,632 (derivative) @ $0 | EDGAR |
| 2024-02-26 | 4 | REPLIGEN CORP (RGEN) | Option exercise (M): 940 @ $94.33 · Sale (S): 4,373 @ $198.08 · Option exercise (M): 940 (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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