Form Type: 4

SEC EDGAR Link
Accession Number:0000899243-21-019419
Date:2021-05-11
Issuer: REPLIGEN CORP (RGEN)
Original Submission Date:

Reporting Person:

DAWES KAREN A
C/O REPLIGEN CORPORATION
41 SEYON ST., BLDG 1, STE 100 WALTHAM, MA 02453

Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
Title of SecurityTransaction Date2a. Deemed Execution Date Transaction CodeSharesAcquired or DisposedPrice per share 5. Amount of Securities Beneficially Owned Following Reported Transaction 6. Ownership Form Direct or IndirectNature of Indirect Ownership
COMMON STOCK 2021-05-11 M 15,000 a $3.22 115,734 direct
COMMON STOCK 2021-05-11 S 285 d $176.85 115,449 direct
Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, convertible securities
Title of Derivative Security Conversion or Exercise Price of Derivative Security Transaction Date Deemed Execution Date Transaction Code Number of Derivative Securities Acquired (A) or Disposed of (D) Date ExercisableExpiration Date Title and Amount of Securities Underlying Derivative Security Price of Derivative Security Number of derivative Securities Beneficially Owned Following Reported Transaction(s) Ownership Form: Direct (D) or Indirect (I) Nature of Indirect Beneficial Ownership
STOCK OPTION (RIGHT TO BUY) 3.22 2021-05-11 deemed execution date M 15,000 (d) 2021-12-15 common stock 15,000 $3.22 0 direct
Footnotes
IDfootnote
f1 $176.85 is a weighted average price. these shares were sold in multiple transactions at prices ranging from $176.73 to $176.91, inclusive. the reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the securities and exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range.
f2 this option is fully vested and exercisable.

Elevate your investments