Cohen Joshua B
SEC insider (Form 3/4/5 filer). CIK 0001898644. Director at TCGX Acquisition Corp. II (TCXB) and 1 other issuer. 21 reported Form 4/5 transactions since Sep 2024; latest on Sep 10, 2026. Located in PALO ALTO, CA.
Companies Cohen Joshua B has filed insider reports for
- TCGX Acquisition Corp. II (TCXB): Director
- Amylyx Pharmaceuticals, Inc. (AMLX): Director, Officer, Co-Chief Executive Officer
Cohen Joshua B
CIK: 0001898644
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (21 total)
- Sep 10, 2026AMLX
Amylyx Pharmaceuticals, Inc.
SaleDirect29.5K shares at avg. $32.16$950K - Sep 10, 2026AMLX
Amylyx Pharmaceuticals, Inc.
SaleDirect919 shares at avg. $33.15$30K - Aug 18, 2026AMLX
Amylyx Pharmaceuticals, Inc.
AwardDirect60K shares- - Mar 5, 2026AMLX
Amylyx Pharmaceuticals, Inc.
AwardDirect248.9K shares- - Mar 2, 2026AMLX
Amylyx Pharmaceuticals, Inc.
SaleDirect29.3K shares at avg. $14.48$424K - Feb 2, 2026AMLX
Amylyx Pharmaceuticals, Inc.
SaleDirect15.5K shares at avg. $14.68$228K - Jan 16, 2026AMLX
Amylyx Pharmaceuticals, Inc.
SaleDirect2K shares at avg. $13.83$27K - Jan 16, 2026AMLX
Amylyx Pharmaceuticals, Inc.
ExerciseDirect2.8K shares at avg. $7.57$21K - Jan 15, 2026AMLX
Amylyx Pharmaceuticals, Inc.
ExerciseDirect197.2K shares at avg. $7.57$1.5M - Jan 15, 2026AMLX
Amylyx Pharmaceuticals, Inc.
SaleDirect136.2K shares at avg. $13.59$1.9M
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 10, 2026 |  AMLX Amylyx Pharmaceuticals, Inc. | Sale | 29,545 | $32.16 | $950,040 | Direct |
| Sep 10, 2026 | AMLX Amylyx Pharmaceuticals, Inc. | Sale | 919 | $33.15 | $30,464 | Direct |
| Aug 18, 2026 | AMLX Amylyx Pharmaceuticals, Inc. | Award | 60,039 | - | $0 | Direct |
| Mar 5, 2026 | AMLX Amylyx Pharmaceuticals, Inc. | Award | 248,865 | - | $0 | Direct |
| Mar 2, 2026 | AMLX Amylyx Pharmaceuticals, Inc. | Sale | 29,282 | $14.48 | $424,120 | Direct |
| Feb 2, 2026 | AMLX Amylyx Pharmaceuticals, Inc. | Sale | 15,500 | $14.68 | $227,593 | Direct |
| Jan 16, 2026 | AMLX Amylyx Pharmaceuticals, Inc. | Sale | 1,974 | $13.83 | $27,299 | Direct |
| Jan 16, 2026 | AMLX Amylyx Pharmaceuticals, Inc. | Exercise | 2,818 | $7.57 | $21,332 | Direct |
| Jan 15, 2026 | AMLX Amylyx Pharmaceuticals, Inc. | Exercise | 197,182 | $7.57 | $1,492,668 | Direct |
| Jan 15, 2026 | AMLX Amylyx Pharmaceuticals, Inc. | Sale | 136,193 | $13.59 | $1,850,795 | Direct |
1-10 of 21 transactions