Harris Matthew Scott
SEC insider (Form 3/4/5 filer). CIK 0001787762. Chief Medical Officer at Altimmune, Inc. (ALT). 13 reported Form 4/5 transactions since Sep 2024; latest on Jul 31, 2025. Located in GAITHERSBURG, MD.
Companies Harris Matthew Scott has filed insider reports for
- Altimmune, Inc. (ALT): Officer, Chief Medical Officer
Harris Matthew Scott
CIK: 0001787762
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Altimmune, Inc.
Discretionary Trading P&L
Holdings
Transaction History (13 total)
- Jul 31, 2025ALT
Altimmune, Inc.
AwardDirect2K shares at avg. $3.14$6K - Mar 7, 2025ALT
Altimmune, Inc.
GiftDirect67.8K shares- - Feb 2, 2025ALT
Altimmune, Inc.
ExerciseDirect7.8K shares- - Feb 2, 2025ALT
Altimmune, Inc.
Tax PaymentDirect2.7K shares at avg. $6.64$18K - Feb 1, 2025ALT
Altimmune, Inc.
ExerciseDirect6.2K shares- - Feb 1, 2025ALT
Altimmune, Inc.
Tax PaymentDirect2.1K shares at avg. $6.64$14K - Jan 31, 2025ALT
Altimmune, Inc.
AwardDirect1.9K shares at avg. $5.18$10K - Jan 30, 2025ALT
Altimmune, Inc.
ExerciseDirect9.3K shares- - Jan 30, 2025ALT
Altimmune, Inc.
Tax PaymentDirect3.2K shares at avg. $7.00$22K - Jan 27, 2025ALT
Altimmune, Inc.
AwardDirectStock Options (option to buy)
183.6K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jul 31, 2025 | ALT Altimmune, Inc. | Award | 2,018 | $3.14 | $6,337 | Direct |
| Mar 7, 2025 | ALT Altimmune, Inc. | Gift | 67,787 | - | - | Direct |
| Feb 2, 2025 | ALT Altimmune, Inc. | Exercise | 7,775 | - | - | Direct |
| Feb 2, 2025 | ALT Altimmune, Inc. | Tax Payment | 2,708 | $6.64 | $17,981 | Direct |
| Feb 1, 2025 | ALT Altimmune, Inc. | Exercise | 6,166 | - | - | Direct |
| Feb 1, 2025 | ALT Altimmune, Inc. | Tax Payment | 2,109 | $6.64 | $14,004 | Direct |
| Jan 31, 2025 | ALT Altimmune, Inc. | Award | 1,905 | $5.18 | $9,868 | Direct |
| Jan 30, 2025 | ALT Altimmune, Inc. | Exercise | 9,275 | - | - | Direct |
| Jan 30, 2025 | ALT Altimmune, Inc. | Tax Payment | 3,173 | $7.00 | $22,211 | Direct |
| Jan 27, 2025 | ALT Altimmune, Inc. | Award Stock Options (option to buy) | 183,600 | - | - | Direct |
1-10 of 13 transactions