Iqbal Hussain plans 39,961-share Centessa (CNTA) Rule 144 sale

Rhea-AI Filing Summary

Centessa Pharmaceuticals’ affiliate plans to sell common stock under Rule 144. A person named Iqbal Hussain filed to potentially sell 39,961 shares of Centessa common stock through UBS Financial Services Inc., with an aggregate market value of 1,019,005, on or after 01/30/2026 on NASDAQ.

The shares to be sold were acquired via restricted stock units (RSUs) from the issuer on multiple dates in 2024 and 2025. Over the prior three months, Hussain also sold 6,000 stock option shares for gross proceeds of 165,835.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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 Stock	UBS Financial Services Inc 1000 Harbor Blvd 3rd Floor Weehawken NJ 07086	39961	1019005	134447836	01/30/2026	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 Stock	02/01/2025	RSU	Issuer			14521	02/01/2025	NA
Common Stock	12/31/2024	RSU	Issuer			8480	12/31/2024	NA
Common Stock	09/30/2024	RSU	Issuer			8480	09/30/2024	NA
Common Stock	06/30/2024	RSU	Issuer			8480	06/03/2024	NA

* 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
Iqbal Hussain 1 Federal Street Floor 38 Boston MA 02110	Stock Option	11/17/2025	6000	165835

144: Remarks and Signature

Remarks

Date of Notice

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does Centessa (CNTA) Form 144 filed by Iqbal Hussain disclose?

The filing shows Iqbal Hussain’s intent to sell up to 39,961 Centessa common shares under Rule 144. The planned sale, via UBS Financial Services, has an aggregate market value of 1,019,005 and is expected on or after 01/30/2026 on NASDAQ.

How many Centessa (CNTA) shares are covered by this Form 144?

The Form 144 covers a proposed sale of 39,961 Centessa common shares. These shares have an aggregate market value of 1,019,005 and relate to stock registered for sale through UBS Financial Services Inc. on NASDAQ under Rule 144.

When were the Centessa (CNTA) shares in the Form 144 acquired?

The shares were acquired through restricted stock unit (RSU) grants from Centessa. Acquisition dates listed include 06/30/2024, 09/30/2024, 12/31/2024, and 02/01/2025, with specific amounts credited on each date and corresponding payment dates disclosed.

What prior Centessa (CNTA) sales has Iqbal Hussain reported in the last 3 months?

The document reports one prior transaction in the last three months. Iqbal Hussain sold 6,000 Centessa stock option shares on 11/17/2025, generating gross proceeds of 165,835, which is disclosed in the section covering recent sales.

On which exchange will the Centessa (CNTA) Form 144 shares be sold?

The filing identifies NASDAQ as the exchange for the planned sales of Centessa common stock. UBS Financial Services Inc. is listed as the broker handling the potential sale of 39,961 shares with an aggregate market value of 1,019,005.

How many Centessa (CNTA) shares are outstanding according to this Form 144?

The Form 144 notes that 134,447,836 shares of Centessa common stock are outstanding. This figure provides context for the size of the proposed 39,961-share sale relative to the company’s overall common equity base.