Century Therapeutics (IPSC) Form 144: 539 Shares Proposed Sale

Century Therapeutics, Inc. (IPSC) Form 144 notice reports a proposed sale of 539 shares of common stock held by an individual through Fidelity Brokerage Services, with an aggregate market value of $269.45 and an approximate sale date of 09/08/2025 on NASDAQ.

Rhea-AI Filing Summary

Century Therapeutics, Inc. (IPSC) Form 144 notice reports a proposed sale of 539 shares of common stock held by an individual through Fidelity Brokerage Services, with an aggregate market value of $269.45 and an approximate sale date of 09/08/2025 on NASDAQ. The securities were acquired on 09/05/2025 through restricted stock vesting from the issuer and were paid as compensation. The filer also reports prior dispositions in the past three months: 526 shares sold on 06/09/2025 for gross proceeds of $327.22. The notice includes the filer’s certification that no undisclosed material adverse information is known.

Positive

• Timely compliance with Rule 144 disclosure requirements showing transparency
• Full disclosure of acquisition method (restricted stock vesting) and payment as compensation

Negative

• Insider sale of recently vested shares (539 shares) which may signal personal liquidity needs rather than conviction
• Short interval between acquisition (09/05/2025) and proposed sale (09/08/2025), indicating rapid disposition of vested compensation

Insights

Securities Analyst

TL;DR: Small-volume insider sale from recently vested restricted shares; procedural disclosure filed under Rule 144.

The filing documents a proposed sale of 539 common shares that were recently vested as restricted stock and paid as compensation, indicating standard post-vesting liquidity by an insider or related person. The reported aggregate market value of $269.45 and the prior 526-share sale for $327.22 are immaterial in absolute terms relative to typical market-capitalization effects. From a regulatory perspective, the submission satisfies Rule 144 disclosure requirements and includes the required certification about material nonpublic information.

Corporate Governance Expert

TL;DR: Governance process appears followed; transactions are minor but appropriately reported.

The form shows the issuer granted restricted stock that vested on 09/05/2025 and the holder intends to sell 539 shares. The timely notice and inclusion of previous short-term sales suggest adherence to reporting and insider-trading disclosure protocols. There is no indication in the filing of any policy exception, trading plan reference, or undisclosed material information, and the signer attests to this fact. Given the small monetary values disclosed, the governance impact on stakeholders is likely negligible.

FAQ

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

What does Century Therapeutics Form 144 filing (IPSC) state?

It reports a proposed sale of 539 common shares with aggregate market value $269.45, acquired via restricted stock vesting on 09/05/2025 and planned to be sold on 09/08/2025 on NASDAQ.

Who is the broker listed for the IPSC sale?

The broker named is Fidelity Brokerage Services LLC located at 900 Salem Street, Smithfield, RI.

Did the filer report any recent sales in the past three months for IPSC?

Yes; the filing reports a 526-share sale on 06/09/2025 with gross proceeds of $327.22 by Gregory Russotti.

How were the 539 shares acquired according to the filing?

The shares were acquired through restricted stock vesting from the issuer on 09/05/2025 and the consideration is listed as compensation.

Does the filing indicate any undisclosed material information?

The signer represents by signature that they do not know any material adverse information about the issuer that has not been publicly disclosed.

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

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Accepted by SEC EDGAR 09/08/2025 - 03:11 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001867305
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Century Therapeutics, Inc.
SEC File Number	001-40498
Address of Issuer	25 N 38TH STREET, 11TH FLOOR PHILADELPHIA PENNSYLVANIA 19104
Phone	215-981-4000
Name of Person for Whose Account the Securities are To Be Sold	Russotti Gregory
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	539	269.45	86389098	09/08/2025	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	09/05/2025	Restricted Stock Vesting	Issuer			539	09/05/2025	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Gregory Russotti 25 N 38th Street 11th Floor Philadelphia PA 19104	Common	06/09/2025	526	327.22

144: Remarks and Signature

Remarks	Sale includes an amount necessary to cover a tax obligation resulting from the settlement of a vested equity award distribution.
Date of Notice	09/08/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Gary Redman, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Gregory Russotti
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)