Form 4 for AMLX Amylyx Pharmaceuticals, Inc.
Accepted 2026-01-20 00:00:00 ET · period of report 2026-01-15 · accession 0001193125-26-017056 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2026-01-20 | 2026-01-15+ | AMLX | Klee Justin B. | Co-CEO, Dir | M - OptEx | $7.57 | +200.0K | 3.38M | +6% | +$1.51M |
| DM | 2026-01-20 | 2026-01-15+ | AMLX | Klee Justin B. | Co-CEO, Dir | S - Sale+OE | $13.58 | -138.2K | 3.38M | -4% | -$1.88M |
| DM | 2026-01-20 | 2026-01-15+ | AMLX | Klee Justin B. | Co-CEO, Dir | M - OptEx | $0.00 | -200.0K | 0 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-01-15 | M | A | 197,153 | $7.57 | 3,514,739 | D | — | — | |
| 2 | Common | Common Stock | 2026-01-15 | S | D | 136,193 | $13.58 | 3,378,546 | D | — | — | (F2) The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $13.26 to $13.77. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request. |
| 3 | Common | Common Stock | 2026-01-16 | M | A | 2,847 | $7.57 | 3,381,393 | D | — | — | |
| 4 | Common | Common Stock | 2026-01-16 | S | D | 1,995 | $13.89 | 3,379,398 | D | — | — | (F3) The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $13.83 to $13.91. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request. |
| 5 | Derivative | Stock Option (Right to Buy) | 2026-01-15 | M | D | 197,153 | $0.00 | 2,847 | D | $7.57 · — to 2026-02-19 | 197,153 Common Stock | (F4) This option is fully vested and exercisable. The option is due to expire on February 19, 2026. |
| 6 | Derivative | Stock Option (Right to Buy) | 2026-01-16 | M | D | 2,847 | $0.00 | 0 | D | $7.57 · — to 2026-02-19 | 2,847 Common Stock | (F4) This option is fully vested and exercisable. The option is due to expire on February 19, 2026. |