GILL JOHN
SEC insider (Form 3/4/5 filer). CIK 0001409939. Director at Altimmune, Inc. (ALT). 6 reported Form 4/5 transactions since Sep 2024; latest on May 1, 2026. Located in GAITHERSBURG, MD.
Companies GILL JOHN has filed insider reports for
- Altimmune, Inc. (ALT): Director
GILL JOHN
CIK: 0001409939
Transaction Breakdown
Open Market Buys (P)2 (33.3%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)3 (50.0%)
Compensation grants
Other (G, F, J, C, D, …)1 (16.7%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
ALT
Altimmune, Inc.
Director
Discretionary Trading P&L
Holdings
Transaction History (6 total)
- May 1, 2026ALT
Altimmune, Inc.
AwardDirectStock Options (option to buy)
48.8K shares- - Apr 6, 2026ALT
Altimmune, Inc.
PurchaseDirect9.2K shares at avg. $3.41$31K - Dec 23, 2025ALT
Altimmune, Inc.
PurchaseDirect12.5K shares at avg. $4.10$51K - Sep 25, 2025ALT
Altimmune, Inc.
AwardDirectStock Options (option to buy)
48.8K shares- - Sep 26, 2024ALT
Altimmune, Inc.
AwardDirectStock Options (option to buy)
34.9K shares- - Jan 6, 2022ALT
Altimmune, Inc.
GiftDirect2.7K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| May 1, 2026 | ALT Altimmune, Inc. | Award Stock Options (option to buy) | 48,800 | - | - | Direct |
| Apr 6, 2026 | ALT Altimmune, Inc. | Purchase | 9,200 | $3.41 | $31,350 | Direct |
| Dec 23, 2025 | ALT Altimmune, Inc. | Purchase | 12,500 | $4.10 | $51,250 | Direct |
| Sep 25, 2025 | ALT Altimmune, Inc. | Award Stock Options (option to buy) | 48,800 | - | - | Direct |
| Sep 26, 2024 | ALT Altimmune, Inc. | Award Stock Options (option to buy) | 34,900 | - | - | Direct |
| Jan 6, 2022 | ALT Altimmune, Inc. | Gift | 2,714 | - | - | Direct |
1-6 of 6 transactions