Century Therapeutics CSO sells 5,462 IPSC shares at $0.501

Century Therapeutics (IPSC) Chief Scientific Officer reported an automatic sale of company stock related to tax withholding.

Rhea-AI Filing Summary

Century Therapeutics (IPSC) Chief Scientific Officer reported an automatic sale of company stock related to tax withholding. On 11/20/2025, the reporting person sold 5,462 shares of common stock at $0.501 per share in a transaction labeled as a sale to cover tax obligations from vesting restricted stock units. After this transaction, the reporting person beneficially owned 987,027 shares directly and 10,697 shares indirectly through a trust. The filing notes that the trust-held shares are disclaimed as beneficially owned except to the extent of any pecuniary interest.

Insider Trade Summary

Net Seller: 5,462 shares

Net Sell 2 txns

Insider Cowan Chad

Role Chief Scientific Officer

Sold 5,462 shs ($3K)

Type	Security	Shares	Price	Value
Sale	Common Stock	5,462	$0.501	$3K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 987,027 shares (Direct); Common Stock — 10,697 shares (Indirect, By Trust)

Footnotes (2)

1. 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.
2. F2. Shares held by the Cowan Investment Nominee Trust. The Reporting Person disclaims beneficial ownership except to the extent of any pecuniary interest therein, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Century Therapeutics (IPSC) report in this Form 4?

The Chief Scientific Officer reported a sale of 5,462 shares of Century Therapeutics common stock on 11/20/2025.

At what price were the IPSC shares sold by the Century Therapeutics officer?

The 5,462 IPSC shares were sold at a price of $0.501 per share.

Why were the IPSC shares sold by the reporting person?

The sale represents the number of shares required to be sold to cover tax withholding obligations in connection with the vesting of restricted stock units, and was described as automatic and not at the officer's discretion.

How many Century Therapeutics shares does the officer own after this Form 4 transaction?

Following the reported sale, the officer beneficially owned 987,027 shares of common stock directly and 10,697 shares indirectly through a trust.

What is the nature of the indirect ownership disclosed for Century Therapeutics (IPSC)?

The indirect ownership relates to 10,697 shares held by the Cowan Investment Nominee Trust, with the reporting person disclaiming beneficial ownership except for any pecuniary interest.

What position does the reporting person hold at Century Therapeutics (IPSC)?

The reporting person is an officer of Century Therapeutics, serving as the Chief Scientific Officer.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 11/24/2025 - 04:05 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Cowan Chad

(Last) (First) (Middle)

C/O CENTURY THERAPEUTICS, INC.

25 N 38TH STREET, 11TH FLOOR

(Street)

PHILADELPHIA PA 19104

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Century Therapeutics, Inc. [ IPSC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Scientific Officer

3. Date of Earliest Transaction (Month/Day/Year)
11/20/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/20/2025		S(1)		5,462	D	$0.501	987,027	D
Common Stock								10,697	I	By Trust(2)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. 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.

2. Shares held by the Cowan Investment Nominee Trust. The Reporting Person disclaims beneficial ownership except to the extent of any pecuniary interest therein, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

	/s/ Douglas Carr, Attorney-in-Fact	11/24/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.