AMLX insider plans sale of 136,193 shares

An insider of Amylyx filed a Form 144 notice outlining a planned sale of company stock.

Accepted by SEC EDGAR 01/15/2026 - 04:17 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

An insider of Amylyx filed a Form 144 notice outlining a planned sale of company stock. The filing covers up to 136,193 common shares to be sold through Morgan Stanley Smith Barney LLC on or after January 15, 2026 on the NASDAQ, with an indicated aggregate market value of $1,916,235.51. These shares were acquired the same day through a cash exercise of stock options. The filing also notes that 109,819,569 common shares were outstanding and that the same individual sold 7,715 shares of common stock for $85,596.38 on January 6, 2026. The signer represents that they are not aware of any material adverse, nonpublic information about Amylyx.

FAQ

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

What does the Amylyx (AMLX) Form 144 filing disclose?

The Form 144 discloses that an Amylyx insider plans to sell up to 136,193 common shares through Morgan Stanley Smith Barney LLC on or after January 15, 2026 on the NASDAQ.

How many Amylyx (AMLX) shares is the insider planning to sell and what is the value?

The insider plans to sell up to 136,193 common shares of Amylyx, with an indicated aggregate market value of about $1,916,235.51.

How did the Amylyx shares being sold under Form 144 get acquired?

The 136,193 common shares were acquired on January 15, 2026 via a cash exercise of stock options from the issuer.

How many Amylyx (AMLX) shares were outstanding at the time of the Form 144?

The Form 144 states that 109,819,569 common shares of Amylyx were outstanding.

Has this Amylyx insider sold shares recently before this Form 144?

Yes. The filing reports that Joshua Barry Cohen sold 7,715 common shares on January 6, 2026 for gross proceeds of $85,596.38.

What representation does the insider make about Amylyx in the Form 144?

By signing, the person for whose account the securities are to be sold represents that they do not know any material adverse information about Amylyx’s current or prospective operations that has not been publicly disclosed.

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

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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	0001898644
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	AMYLYX PHARMACEUTICALS INC
SEC File Number	001-41199
Address of Issuer	43 THORNDIKE STREET CAMBRIDGE MASSACHUSETTS 02141
Phone	6176820917
Name of Person for Whose Account the Securities are To Be Sold	JOSHUA COHEN
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	Director
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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	136193	1916235.51	109819569	01/15/2026	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	01/15/2026	Exercise of Stock Options	Issuer			136193	01/15/2026	Cash

* 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
JOSHUA BARRY COHEN 43 THORNDIKE STREET CAMBRIDGE MA 02141	Common	01/06/2026	7715	85596.38

144: Remarks and Signature

Remarks	The sale of shares covered by this Form 144 were made pursuant to a pre-set sales plan adopted by the seller on 11/12/2025. The seller signed this Form 144 on 11/12/2025 pursuant to such pre-set sales plan and made the below representation as of such plan adoption date.
Date of Notice	01/15/2026
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/ Joshua Cohen
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)