Brent Pfeiffenberger - May 16, 2025 Form 4 Insider Report for Century Therapeutics, Inc. (IPSC)

Role: President and CEO, Director
Signature: /s/ Douglas Carr, Attorney-in-Fact
Stock symbol: IPSC
Transactions as of: May 16, 2025
Transactions value $: -$16,135
Form type: 4
Date filed: 5/20/2025, 04:19 PM
Previous filing: Mar 12, 2025
Next filing: Jun 11, 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	2025-05-20	0002001162

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	IPSC	Common Stock	Sale	-$16.1K	-29.6K	-1.73%	$0.55	1.68M	May 16, 2025	Direct	F1

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

Explanation of Responses:

Id	Content
F1	The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.