Konstantinov Konstantin

CIK 00017746492 companiesWALTHAM, MA

SEC Profile

Transactions

Companies

Filings

CIK

0001774649

Recent Transactions

31 trades

Award
REPLIGEN CORP$RGEN
Stock Option (Right to Buy)
2025-05-15+1,800→ 1,800 total
Award
REPLIGEN CORP$RGEN
Common Stock
2025-05-15+973→ 2,894 total
Award
REPLIGEN CORP$RGEN
Stock Option (Right to Buy)
2024-05-16+1,376→ 1,376 total
Award
REPLIGEN CORP$RGEN
Common Stock
2024-05-16+701→ 1,921 total
Award
REPLIGEN CORP$RGEN
Stock Option (Right to Buy)
2023-05-18+1,487→ 1,487 total
Award
REPLIGEN CORP$RGEN
Common Stock
2023-05-18+686→ 1,220 total
Sale
Codiak BioSciences, Inc.
Common Stock
2023-03-28$0.20/sh−7,432→ 1,932 total
Sale
Codiak BioSciences, Inc.
Common Stock
2023-03-28$0.20/sh−1,932→ 0 total
Sale
Codiak BioSciences, Inc.
Common Stock
2023-02-17$0.59/sh−1,391→ 7,432 total
Exercise/Conversion
Codiak BioSciences, Inc.
Common Stock
2023-02-16+4,200→ 8,823 total
Exercise/Conversion
Codiak BioSciences, Inc.
Restricted Stock Units
2023-02-16−4,200→ 8,400 total
Award
Codiak BioSciences, Inc.
Stock Option (Right to Buy)
2023-01-24+145,000→ 145,000 total
Sale
Codiak BioSciences, Inc.
Common Stock
2023-01-20$0.58/sh−1,069→ 1,731 total
Exercise/Conversion
Codiak BioSciences, Inc.
Restricted Stock Units
2023-01-19−2,800→ 5,600 total
Exercise/Conversion
Codiak BioSciences, Inc.
Common Stock
2023-01-19+2,800→ 2,800 total
Award
Codiak BioSciences, Inc.
Restricted Stock Units
2022-09-16+80,000→ 80,000 total
Sale
Codiak BioSciences, Inc.
Common Stock
2022-08-17$2.21/sh−1,308→ 4,623 total
Exercise/Conversion
Codiak BioSciences, Inc.
Restricted Stock Units
2022-08-16−4,200→ 12,600 total
Exercise/Conversion
Codiak BioSciences, Inc.
Common Stock
2022-08-16+4,200→ 5,931 total
Award
REPLIGEN CORP$RGEN
Common Stock
2022-05-26+534→ 534 total
Award
REPLIGEN CORP$RGEN
Stock Option (Right to Buy)
2022-05-26+1,298→ 1,298 total
Award
REPLIGEN CORP$RGEN
Stock Option (Right to Buy)
2022-05-26+2,498→ 2,498 total
Award
Codiak BioSciences, Inc.
Stock Option (Right to Buy)
2022-02-16+11,200→ 11,200 total
Award
Codiak BioSciences, Inc.
Restricted Stock Units
2022-02-16+16,800→ 16,800 total
Award
Codiak BioSciences, Inc.
Restricted Stock Units
2022-01-19+8,400→ 8,400 total
Award
Codiak BioSciences, Inc.
Stock Option (Right to Buy)
2022-01-19+42,000→ 42,000 total
Exercise/Conversion
Codiak BioSciences, Inc.
Common Stock
2021-06-08$3.29/sh+7,276→ 7,276 total
Sale
Codiak BioSciences, Inc.
Common Stock
2021-06-08$25.53/sh−6,272→ 1,004 total
Sale
Codiak BioSciences, Inc.
Common Stock
2021-06-08$26.04/sh−1,004→ 0 total
Exercise/Conversion
Codiak BioSciences, Inc.
Stock Option (Right to Buy)
2021-06-08+7,276→ 92,978 total
Award
Codiak BioSciences, Inc.
Stock Option (Right to Buy)
2021-01-22+32,000→ 32,000 total

Companies

Recent Filings

Address

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

WALTHAM, MA, 02453

View on SEC.gov