Senior insider sale
Chief Legal Officer at AMYLYX PHARMACEUTICALS, INC. — senior position signals high conviction
$848.4K
39.54K shares
What this filing means
MAZZARIELLO GINA plans to sell 39.54K shares of AMYLYX PHARMACEUTICALS, INC. valued at approximately $848.4K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 9/11/2026ACC: 0001193125-26-389244
Officer· Chief Legal Officer
Since Feb 2022
39.54K
Shares to sell
$848.4K
Approx. market value
21.28K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months1
Vesting of Performance-based Restricted Stock Units
N/A
9/10/2026
21.28KTotal acquired21.28K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
9/10/2026 | Vesting of Performance-based Restricted Stock Units N/A | 21.28K | — |
| Total | 21.28K | ||
Planned & Completed Dispositions3
Completed
—Completed
Units to sell
15K
Market value
$264.1K
7/10/2026
—Completed
Units to sell
15K
Market value
$274.7K
7/9/2026
Planned — Approximate Date
NASDAQPlanned
Units to sell
9.54K
Market value
$309.5K
9/10/2026
Total
Units
39.54K
Value
$848.4K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
7/10/2026 | 15K | $264.1K | — | Completed |
7/9/2026 | 15K | $274.7K | — | Completed |
| Planned — Approximate Date | ||||
9/10/2026 | 9.54K | $309.5K | NASDAQ | Planned |
| Total | 39.54K | $848.4K | ||