Transaction · 0001193125-26-037553

FRATES JAMES M

FRATES JAMES M, CFO, reported an open-market or private sale at Amylyx Pharmaceuticals, Inc. involving 3557.000000 shares for an estimated $52096.89. Reported holdings after the transaction were 173547.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code SCFO
AMLXAmylyx Pharmaceuticals, Inc.
Filing timeFeb 04
Trade dateFeb 02, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$13.88
Pre-filing
1mo ago -17.7%1w ago +8.1%1d ago +3.0%
Returns since
7d +3.4%30d -0.2%90d +18.4%180d +45.3%1y +150.3%

AMLX price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
AMLX since 2026-02-04Filed 211 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001193125-26-037553
Common Stock
Transaction date
Feb 02, 2026
Filed Feb 04, 2026, 09:05 PM · 2d delay
Shares
3.55k sh
$1.46k per share
Estimated value
-$5.20M
Computed from shares × price
Holdings after
173k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Cluster Selling Direct Ownership
+10score
Filing-only score

+10

Compact filing score computed from stored Form 4 facts. Version v1.

Positive filing signal

This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Financial Officer

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    Represents shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock

  2. units. Such sales were automatic and not at the discretion of the Reporting Person.

  3. F2

    The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $14.460 to $14.790.

  4. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request.

  5. F3

    Shares held by the JAMES M. FRATES 2025 GRAT NO 1 U/A DTD 12/12/2025, for which the Reporting Person serves as trustee

  6. and is the sole annuitant. The Reporting Person disclaims beneficial ownership of such shares for purposes of Section 16 except to the extent of his

  7. pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or

  8. any other purpose.

  9. F4

    Shares held by the James M. Frates 2024 Grantor Retained Annuity Trust No. 1, for which the Reporting Person serves as trustee and is the sole

  10. annuitant. The Reporting Person disclaims beneficial ownership of such shares for purposes of Section 16 except to the extent of his pecuniary

  11. interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other

  12. purpose.

  13. F5

    Shares held by the FRATES FAMILY 2013 IRREV TRUST, for which the Reporting Person serves as trustee. The Reporting Person disclaims

  14. beneficial ownership of such shares for purposes of Section 16 except to the extent of his pecuniary interest therein, if any, and this report shall not be

  15. deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

Original filing · 0001193125-26-037553
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