Transaction · 0001193125-26-359679

FRATES JAMES M

FRATES JAMES M, CFO, reported a transaction classified as grant at Amylyx Pharmaceuticals, Inc. involving 22807.000000 shares for an estimated $0.00. Reported holdings after the transaction were 244435.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

grantSEC transaction code ACFO
AMLXAmylyx Pharmaceuticals, Inc.
Filing timeAug 21
Trade dateAug 18, 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
$38.65
Pre-filing
1mo ago -54.1%1w ago -38.9%1d ago -44.6%
Returns since
7d -10.1%30d -12.5%90d -12.5%180d -12.5%1y -12.5%

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 2026-08-21Filed 13 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
grant
Code A
Identifier
0001193125-26-359679
Common Stock
Transaction date
Aug 18, 2026
Filed Aug 21, 2026, 01:00 AM · 3d delay
Shares
22.8k sh
$0 per share
Estimated value
$0
Computed from shares × price
Holdings after
244k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Direct Ownership
-16score
Filing-only score

-16

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

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

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

    The reported shares are represented by performance share units, or PSUs, and were awarded upon the achievement of certain performance metrics. Shares subject to the PSU vested on August 18, 2026.

  2. F2F3F4F6(4 footnotes)

    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 and is the sole annuitant. The Reporting Person disclaims beneficial ownership of…

  3. F5

    Reflects 40,000 shares previously reported as directly beneficially owned by the Reporting Person, which were transferred to the JAMES M. FRATES 2026 GRANTOR RETAINED ANNUITY TRUST NO. 1 on August 7,…

Original filing · 0001193125-26-359679
Related transactions

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Same reporting owner
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