Brent Pfeiffenberger - 12 Dec 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: 12 Dec 2025
Net transactions value: +$30,352
Form type: 4
Filing time: 16 Dec 2025, 18:38:17 UTC
Previous filing: 12 Dec 2025
Next filing: 04 Feb 2026
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	16 Dec 2025	0002001162

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	IPSC	Common Stock	Purchase	$30,352	+52,000	+1.6%	$0.5837	3,322,990	12 Dec 2025	Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	All profits from the reported transactions will be disgorged to the issuer pursuant to applicable requirements.
F2	The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $0.577 to $0.5838. Full information regarding the number of shares purchased at each separate price can be furnished to the SEC staff upon request.