Bylund James

CIK 00018496421 companyWALTHAM, MA

SEC Profile

Transactions

Companies

Filings

CIK

0001849642

Recent Transactions

43 trades

Award
REPLIGEN CORP$RGEN
Common Stock
2026-03-05+7,751→ 25,423 total
Award
REPLIGEN CORP$RGEN
Stock Option (Right to Buy)
2026-03-05+8,315→ 8,315 total
Award
REPLIGEN CORP$RGEN
Common Stock
2026-03-04+125→ 17,734 total
Tax Payment
REPLIGEN CORP$RGEN
Common Stock
2026-03-04$125.84/sh−62→ 17,672 total
Tax Payment
REPLIGEN CORP$RGEN
Common Stock
2026-03-02$124.97/sh−2,433→ 17,609 total
Tax Payment
REPLIGEN CORP$RGEN
Common Stock
2026-02-27$128.73/sh−1,478→ 20,042 total
Sale
REPLIGEN CORP$RGEN
Common Stock
2025-11-18$151.21/sh−2,191→ 21,520 total
Tax Payment
REPLIGEN CORP$RGEN
Common Stock
2025-04-01$128.50/sh−454→ 23,711 total
Tax Payment
REPLIGEN CORP$RGEN
Common Stock
2025-03-13$142.44/sh−175→ 24,165 total
Award
REPLIGEN CORP$RGEN
Common Stock
2025-03-13+381→ 24,340 total
Tax Payment
REPLIGEN CORP$RGEN
Common Stock
2025-03-03$155.38/sh−1,239→ 23,959 total
Award
REPLIGEN CORP$RGEN
Stock Option (Right to Buy)
2025-03-03+6,056→ 6,056 total
Award
REPLIGEN CORP$RGEN
Common Stock
2025-03-03+6,435→ 25,198 total
Tax Payment
REPLIGEN CORP$RGEN
Common Stock
2025-02-27$156.54/sh−1,285→ 18,763 total
Tax Payment
REPLIGEN CORP$RGEN
Common Stock
2025-02-24$164.74/sh−543→ 20,048 total
Tax Payment
REPLIGEN CORP$RGEN
Common Stock
2024-04-02$182.95/sh−444→ 20,591 total
Tax Payment
REPLIGEN CORP$RGEN
Common Stock
2024-03-07$195.72/sh−1,206→ 21,035 total
Tax Payment
REPLIGEN CORP$RGEN
Common Stock
2024-03-05$195.52/sh−22→ 22,241 total
Tax Payment
REPLIGEN CORP$RGEN
Common Stock
2024-03-04$193.99/sh−197→ 22,263 total
Tax Payment
REPLIGEN CORP$RGEN
Common Stock
2024-03-01$191.79/sh−820→ 22,410 total
Award
REPLIGEN CORP$RGEN
Common Stock
2024-03-01+50→ 22,460 total
Award
REPLIGEN CORP$RGEN
Common Stock
2024-02-29+404→ 23,230 total
Award
REPLIGEN CORP$RGEN
Stock Option (Right to Buy)
2024-02-27+8,632→ 8,632 total
Award
REPLIGEN CORP$RGEN
Common Stock
2024-02-27+8,691→ 22,826 total
Exercise/Conversion
REPLIGEN CORP$RGEN
Stock Option (Right to Buy)
2024-02-23+940→ 4,000 total
Exercise/Conversion
REPLIGEN CORP$RGEN
Common Stock
2024-02-23$94.33/sh+940→ 18,508 total
Sale
REPLIGEN CORP$RGEN
Common Stock
2024-02-23$198.08/sh−4,373→ 14,135 total
Tax Payment
REPLIGEN CORP$RGEN
Common Stock
2023-04-04$163.45/sh−334→ 17,568 total
Tax Payment
REPLIGEN CORP$RGEN
Common Stock
2023-03-03$188.00/sh−210→ 17,902 total
Award
REPLIGEN CORP$RGEN
Common Stock
2023-03-03+625→ 18,112 total
Award
REPLIGEN CORP$RGEN
Stock Option (Right to Buy)
2023-03-02+8,644→ 8,644 total
Award
REPLIGEN CORP$RGEN
Common Stock
2023-03-02+8,348→ 17,487 total
Tax Payment
REPLIGEN CORP$RGEN
Common Stock
2023-02-28$173.44/sh−594→ 9,139 total
Sale
REPLIGEN CORP$RGEN
Common Stock
2022-08-03$240.40/sh−2,000→ 9,733 total
Exercise/Conversion
REPLIGEN CORP$RGEN
Stock Option (Right to Buy)
2022-08-03−2,000→ 8,000 total
Exercise/Conversion
REPLIGEN CORP$RGEN
Common Stock
2022-08-03$94.33/sh+2,000→ 11,733 total
Tax Payment
REPLIGEN CORP$RGEN
Common Stock
2022-04-01$188.02/sh−335→ 9,733 total
Award
REPLIGEN CORP$RGEN
Common Stock
2022-02-24+3,366→ 10,256 total
Award
REPLIGEN CORP$RGEN
Stock Option (Right to Buy)
2022-02-24+4,312→ 4,312 total
Tax Payment
REPLIGEN CORP$RGEN
Common Stock
2022-02-24$189.21/sh−188→ 10,068 total
Award
REPLIGEN CORP$RGEN
Common Stock
2022-02-17+900→ 7,224 total
Tax Payment
REPLIGEN CORP$RGEN
Common Stock
2022-02-17$182.42/sh−334→ 6,890 total
Sale
REPLIGEN CORP$RGEN
Common Stock
2021-04-06$204.25/sh−360→ 6,324 total

Companies

REPLIGEN CORP
Chief Operating Officer
$RGEN

Recent Filings

Address

C/O REPLIGEN CORPORATION 41 SEYON ST., BLDG 1, STE 100

WALTHAM, MA, 02453

View on SEC.gov