AMLX insider plans sale of 1,995 shares

AMLX filed a Rule 144 notice for a planned insider stock sale.

Rhea-AI Filing Summary

AMLX filed a Rule 144 notice for a planned insider stock sale. The filing covers the proposed sale of 1,995 shares of the issuer’s common stock through Morgan Stanley Smith Barney LLC on NASDAQ, with an aggregate market value of $26,972.40 as of the filing details.

The shares to be sold were acquired on January 16, 2026 via an exercise of stock options paid in cash on the same date. The notice also lists prior sales of the issuer’s common stock during the past three months for the account of Justin Klee, including 136,193 shares sold on January 15, 2026 for gross proceeds of $1,849,860.26 and 7,715 shares sold on January 6, 2026 for gross proceeds of $85,589.44.

FAQ

What does the AMLX Rule 144 filing disclose?

The filing discloses a planned sale of 1,995 shares of the issuer’s common stock on NASDAQ under Rule 144, with an aggregate market value of $26,972.40.

Who is associated with the recent AMLX stock sales?

The filing shows sales for the account of Justin Klee, including pre-set sales noted in the section listing securities sold during the past three months.

How many AMLX shares are planned to be sold under this notice?

The notice covers 1,995 shares of common stock to be sold through Morgan Stanley Smith Barney LLC on NASDAQ.

How were the AMLX shares being sold acquired?

The 1,995 shares to be sold were acquired on January 16, 2026 through the exercise of stock options from the issuer, with the purchase price paid in cash.

What AMLX stock sales occurred in the past three months for this insider?

The filing lists 136,193 shares of common stock sold on January 15, 2026 for $1,849,860.26 and 7,715 shares sold on January 6, 2026 for $85,589.44.

On which exchange will the AMLX shares be sold?

The notice indicates the common stock is to be sold on NASDAQ.

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Accepted by SEC EDGAR 01/16/2026 - 04:05 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	0001898314
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	JUSTIN KLEE
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	1995	26972.40	109819569	01/16/2026	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	01/16/2026	Exercise of Stock Options	Issuer			1995	01/16/2026	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
Pre-set Sales for JUSTIN KLEE 43 THORNDIKE STREET CAMBRIDGE MA 02141	Common	01/15/2026	136193	1849860.26
JUSTIN KLEE 43 THORNDIKE STREET CAMBRIDGE MA 02141	Common	01/06/2026	7715	85589.44

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	01/16/2026
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/ Justin Klee
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)