Sohn Catherine A.
SEC insider (Form 3/4/5 filer). CIK 0001555132. Director at Altimmune, Inc. (ALT) and 1 other issuer. 13 reported Form 4/5 transactions since Sep 2024; latest on May 1, 2026. Located in GAITHERSBURG, MD.
Companies Sohn Catherine A. has filed insider reports for
- Altimmune, Inc. (ALT): Director
- Maze Therapeutics, Inc. (MAZE): Director
Sohn Catherine A.
CIK: 0001555132
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 (13 total)
- May 1, 2026ALT
Altimmune, Inc.
AwardDirectStock Options (option to buy)
48.8K shares- - Jan 7, 2026MAZE
Maze Therapeutics, Inc.
ExerciseDirect2.9K shares at avg. $10.42$30K - Jan 7, 2026MAZE
Maze Therapeutics, Inc.
ExerciseDirect3.3K shares at avg. $10.42$34K - Jan 7, 2026MAZE
Maze Therapeutics, Inc.
SaleDirect26.9K shares at avg. $39.11$1.1M - Jan 7, 2026MAZE
Maze Therapeutics, Inc.
ExerciseDirect20.7K shares at avg. $10.42$216K - Jan 6, 2026MAZE
Maze Therapeutics, Inc.
SaleDirect2.5K shares at avg. $38.62$96K - Jan 6, 2026MAZE
Maze Therapeutics, Inc.
ExerciseDirect2.5K shares at avg. $10.42$26K - Jan 5, 2026ALT
Altimmune, Inc.
PurchaseDirect500 shares at avg. $4.24$2K - Sep 25, 2025ALT
Altimmune, Inc.
AwardDirectStock Options (option to buy)
48.8K shares- - Sep 22, 2025MAZE
Maze Therapeutics, Inc.
AwardDirectStock Option (Right to Buy)
18K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| May 1, 2026 |  ALT Altimmune, Inc. | Award Stock Options (option to buy) | 48,800 | - | - | Direct |
| Jan 7, 2026 |  MAZE Maze Therapeutics, Inc. | Exercise | 2,895 | $10.42 | $30,166 | Direct |
| Jan 7, 2026 | MAZE Maze Therapeutics, Inc. | Exercise | 3,281 | $10.42 | $34,188 | Direct |
| Jan 7, 2026 | MAZE Maze Therapeutics, Inc. | Sale | 26,920 | $39.11 | $1,052,785 | Direct |
| Jan 7, 2026 | MAZE Maze Therapeutics, Inc. | Exercise | 20,744 | $10.42 | $216,152 | Direct |
| Jan 6, 2026 | MAZE Maze Therapeutics, Inc. | Sale | 2,493 | $38.62 | $96,270 | Direct |
| Jan 6, 2026 | MAZE Maze Therapeutics, Inc. | Exercise | 2,493 | $10.42 | $25,977 | Direct |
| Jan 5, 2026 | ALT Altimmune, Inc. | Purchase | 500 | $4.24 | $2,118 | Direct |
| Sep 25, 2025 | ALT Altimmune, Inc. | Award Stock Options (option to buy) | 48,800 | - | - | Direct |
| Sep 22, 2025 | MAZE Maze Therapeutics, Inc. | Award Stock Option (Right to Buy) | 18,000 | - | - | Direct |
1-10 of 13 transactions