Insider of ALNY plans Nasdaq sale of 2,041 shares after prior disposals

Rhea-AI Filing Summary

An insider of ALNY has filed a notice to sell 2,041 common shares through UBS Financial Services on or about February 17, 2026 on Nasdaq, with an indicated aggregate market value of $677,531.58. The filing shows these shares were acquired on February 12, 2026 via a PSU (performance stock unit) transaction with the issuer.

The insider previously sold 12,128 common shares on November 17, 2025 for $5,483,998.14 and 2,290 common shares on January 13, 2026 for $848,062.57. The seller represents that they are not aware of any undisclosed material adverse information about the issuer’s current or future operations.

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	UBS Financial Services, Inc. 11 Madison Ave 4th Floor New York NY 10010	2041	677531.58	132623144	02/17/2026	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	02/12/2026	PSU	Issuer			2041	02/12/2026	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
Kevin Fitzgerald 675 WEST KENDALL STREET HENRI A. TERMEER SQUARE CAMBRIDGE MA 02142	Common	11/17/2025	12128	5483998.14
Kevin Fitzgerald 675 WEST KENDALL STREET HENRI A. TERMEER SQUARE CAMBRIDGE MA 02142	Common	01/13/2026	2290	848062.57

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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 the Form 144 filing for ALNY disclose about upcoming share sales?

The filing discloses an insider’s intent to sell 2,041 common shares of ALNY on or about February 17, 2026 on Nasdaq, with an estimated aggregate market value of $677,531.58 based on the figures reported in the notice.

How many ALNY shares has the insider sold in the past three months?

The insider sold 12,128 common shares on November 17, 2025 and 2,290 common shares on January 13, 2026. Reported gross proceeds were $5,483,998.14 and $848,062.57, respectively, according to the Form 144 disclosure.

What is the total ALNY share count referenced in this Form 144 filing?

The notice states that 132,623,144 common shares are outstanding. This figure provides context for the planned sale of 2,041 shares, indicating the sale represents a very small portion of the issuer’s total common stock base.

How were the ALNY shares to be sold under this Form 144 acquired?

The 2,041 common shares to be sold were acquired on February 12, 2026 through a PSU (performance stock unit) transaction from the issuer. The filing also lists February 12, 2026 as the date of payment for these acquired securities.

Which broker is handling the planned ALNY share sale under this Form 144?

The planned sale of 2,041 ALNY common shares is to be handled by UBS Financial Services, Inc., located at 11 Madison Avenue, 4th Floor, New York, NY 10010, with the shares expected to be sold on the Nasdaq exchange.

What representation does the ALNY insider make about undisclosed information in the Form 144?

The insider represents that they do not know of any material adverse information about the issuer’s current or prospective operations that has not been publicly disclosed, which is a standard certification included in the Form 144 notice language.