Company: IPSC
Filing Date: 2025-12-09
Form Type: 144/A
Source: 0001959173-25-007605
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Company: Century Therapeutics, Inc.
Filing Date: 2025-12-09
Form: 144/A
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 with respect to the payment of all or any part of the purchase price or other consideration therefor: 144/A: 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             | 12/05/2025        | Restricted Stock Vesting          | Issuer                            |                 |                     |                             0 | 12/05/2025      | 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/A: 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 |
| Brent G. Pfeiffenberger    
 1655 Roberts Boulevard, NW 
 Kennesaw                   
 �                          
 GA                         
 �                          
 30144                      | Common                   | 09/08/2025   |                       488 |         243.95 |
| Brent G. Pfeiffenberger    
 1655 Roberts Boulevard, NW 
 Kennesaw                   
 �                          
 GA                         
 �                          
 30144                      | Common                   | 11/17/2025   |                     32456 |       14731.78 |

144/A: Remarks and Signature

| Remarks                                                                                                               | This Form 144 amends and supersedes the Form 144 filed on 12/8/2025. The prior 144 was done in error, the sell to cover the tax obligation for the RSU vesting was cancelled. No shares were sold. |
| Date of Notice                                                                                                        | 12/09/2025                                                                                                                                                                                         |
| 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