Brent Pfeiffenberger - 14 Aug 2025 Form 4 Insider Report for Century Therapeutics, Inc. (IPSC)

Role: President and CEO, Director
Signature: /s/ Douglas Carr, Attorney-in-Fact
Issuer symbol: IPSC
Transactions as of: 14 Aug 2025
Net transactions value: $0
Form type: 4
Filing time: 18 Aug 2025, 16:14:36 UTC
Previous filing: 11 Jun 2025
Next filing: 10 Sep 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Pfeiffenberger Brent	President and CEO, Director	C/O CENTURY THERAPEUTICS, INC., 25 N 38TH STREET, 11TH FLOOR, PHILADELPHIA	/s/ Douglas Carr, Attorney-in-Fact	18 Aug 2025	0002001162

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	IPSC	Common Stock	Award	$0	+1,587,614	+94%	$0.000000	3,269,397	14 Aug 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Reflects the grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Issuer common stock. The RSUs vest 50% on August 14, 2027, with the remaining 50% vesting on August 14, 2028, in each case subject the Reporting Person's continued service through the applicable vesting date. The RSUs will be settled on each applicable vesting date in shares of the Issuer's common stock.

Content

Reflects the grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Issuer common stock. The RSUs vest 50% on August 14, 2027, with the remaining 50% vesting on August 14, 2028, in each case subject the Reporting Person's continued service through the applicable vesting date. The RSUs will be settled on each applicable vesting date in shares of the Issuer's common stock.