James Bylund
CIK: 0001849642
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
REPLIGEN CORP
Discretionary Trading P&L
Holdings
Transaction History (13 total)
- Mar 5, 2026RGEN
REPLIGEN CORP
Award(A)Direct7.8K shares- - Mar 4, 2026RGEN
REPLIGEN CORP
Tax Payment(F)Direct62 shares at avg. $125.84$8K - Mar 4, 2026RGEN
REPLIGEN CORP
Award(A)Direct125 shares- - Mar 2, 2026RGEN
REPLIGEN CORP
Tax Payment(F)Direct2.4K shares at avg. $124.97$304K - Feb 27, 2026RGEN
REPLIGEN CORP
Tax Payment(F)Direct1.5K shares at avg. $128.73$190K - Nov 18, 2025RGEN
REPLIGEN CORP
Sale(S)Direct2.2K shares at avg. $151.21$331K - Apr 1, 2025RGEN
REPLIGEN CORP
Tax Payment(F)Direct454 shares at avg. $128.50$58K - Mar 13, 2025RGEN
REPLIGEN CORP
Award(A)Direct381 shares- - Mar 13, 2025RGEN
REPLIGEN CORP
Tax Payment(F)Direct175 shares at avg. $142.44$25K - Mar 3, 2025RGEN
REPLIGEN CORP
Award(A)Direct6.4K shares- - Mar 3, 2025RGEN
REPLIGEN CORP
Tax Payment(F)Direct1.2K shares at avg. $155.38$193K - Feb 27, 2025RGEN
REPLIGEN CORP
Tax Payment(F)Direct1.3K shares at avg. $156.54$201K - Feb 24, 2025RGEN
REPLIGEN CORP
Tax Payment(F)Direct543 shares at avg. $164.74$89K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Mar 5, 2026 | RGEN REPLIGEN CORP | Award(A) | 7,751 | - | $0 | Direct |
| Mar 4, 2026 | RGEN REPLIGEN CORP | Tax Payment(F) | 62 | $125.84 | $7,802 | Direct |
| Mar 4, 2026 | RGEN REPLIGEN CORP | Award(A) | 125 | - | $0 | Direct |
| Mar 2, 2026 | RGEN REPLIGEN CORP | Tax Payment(F) | 2,433 | $124.97 | $304,052 | Direct |
| Feb 27, 2026 | RGEN REPLIGEN CORP | Tax Payment(F) | 1,478 | $128.73 | $190,263 | Direct |
| Nov 18, 2025 | RGEN REPLIGEN CORP | Sale(S) | 2,191 | $151.21 | $331,301 | Direct |
| Apr 1, 2025 | RGEN REPLIGEN CORP | Tax Payment(F) | 454 | $128.50 | $58,339 | Direct |
| Mar 13, 2025 | RGEN REPLIGEN CORP | Award(A) | 381 | - | - | Direct |
| Mar 13, 2025 | RGEN REPLIGEN CORP | Tax Payment(F) | 175 | $142.44 | $24,927 | Direct |
| Mar 3, 2025 | RGEN REPLIGEN CORP | Award(A) | 6,435 | - | - | Direct |
| Mar 3, 2025 | RGEN REPLIGEN CORP | Tax Payment(F) | 1,239 | $155.38 | $192,516 | Direct |
| Feb 27, 2025 | RGEN REPLIGEN CORP | Tax Payment(F) | 1,285 | $156.54 | $201,154 | Direct |
| Feb 24, 2025 | RGEN REPLIGEN CORP | Tax Payment(F) | 543 | $164.74 | $89,454 | Direct |
1-13 of 13 transactions
About Bylund James
Bylund James (SEC CIK 0001849642) files insider reports with the SEC as Chief Operating Officer of REPLIGEN CORP (RGEN).
Signal8 holds 9 ownership filings by Bylund James, all Form 4s, filed between Feb 25, 2025 and Mar 23, 2026. Those filings report 13 transactions, from Feb 24, 2025 to Mar 5, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Bylund James's filings is in WALTHAM, MA.
Recent filings by Bylund James
- Mar 5, 2026: Grant or award of RGEN shares (Form 4, code A).
- Mar 4, 2026: Tax withholding of RGEN shares (Form 4, code F).
- Mar 4, 2026: Grant or award of RGEN shares (Form 4, code A).
- Mar 2, 2026: Tax withholding of RGEN shares (Form 4, code F).
- Feb 27, 2026: Tax withholding of RGEN shares (Form 4, code F).
Other insiders filing for REPLIGEN CORP (RGEN)
- Douglass Brian Robb, CHIEF PRODUCT OFFICER
- Loeillot Olivier, Chief Executive Officer
- Garland Jason K, CFO
- Hughes Violetta, CHIEF ACCOUNTING OFFICER
- Madaus Martin D, Director
- Konstantinov Konstantin, Director