Insider · CIK 0001787762
Harris Matthew Scott
Reports to the SEC for 1 company · GAITHERSBURG, MD
Transactions
50
Companies
1
Filings
6
CIK
0001787762
Forms 4 and 5
Insider transactions
| Date | Company | Value |
|---|---|---|
| 2025-07-31 | ALTAltimmune, Inc.A Award | +$6,336.52 |
| 2025-03-07 | ALTAltimmune, Inc.G Gift | — |
| 2025-02-02 | ALTAltimmune, Inc.M Exercise/Conversion | — |
| 2025-02-02 | ALTAltimmune, Inc.F Tax Payment | −$18K |
| 2025-02-02 | ALTAltimmune, Inc. · Restricted Stock UnitsM Exercise/Conversion | — |
| 2025-02-01 | ALTAltimmune, Inc.M Exercise/Conversion | — |
| 2025-02-01 | ALTAltimmune, Inc.F Tax Payment | −$14K |
| 2025-02-01 | ALTAltimmune, Inc. · Restricted Stock UnitsM Exercise/Conversion | — |
| 2025-01-31 | ALTAltimmune, Inc.A Award | +$9,867.9 |
| 2025-01-30 | ALTAltimmune, Inc.M Exercise/Conversion | — |
| 2025-01-30 | ALTAltimmune, Inc.F Tax Payment | −$22.2K |
| 2025-01-30 | ALTAltimmune, Inc. · Restricted Stock UnitsM Exercise/Conversion | — |
| 2025-01-27 | ALTAltimmune, Inc. · Stock Options (option to buy)A Award | — |
| 2025-01-27 | ALTAltimmune, Inc. · Restricted Stock UnitsA Award | — |
| 2025-01-25 | ALTAltimmune, Inc.M Exercise/Conversion | — |
| 2025-01-25 | ALTAltimmune, Inc.F Tax Payment | −$34.9K |
| 2025-01-25 | ALTAltimmune, Inc. · Restricted Stock UnitsM Exercise/Conversion | — |
| 2024-07-31 | ALTAltimmune, Inc.A Award | +$8,039.26 |
| 2024-02-02 | ALTAltimmune, Inc.M Exercise/Conversion | — |
| 2024-02-02 | ALTAltimmune, Inc.F Tax Payment | −$21.7K |
| 2024-02-02 | ALTAltimmune, Inc. · Restricted Stock UnitsM Exercise/Conversion | — |
| 2024-02-01 | ALTAltimmune, Inc.M Exercise/Conversion | — |
| 2024-02-01 | ALTAltimmune, Inc.F Tax Payment | −$17.8K |
| 2024-02-01 | ALTAltimmune, Inc. · Restricted Stock UnitsM Exercise/Conversion | — |
| 2024-01-31 | ALTAltimmune, Inc.A Award | +$8,761.33 |
| 2024-01-30 | ALTAltimmune, Inc.M Exercise/Conversion | — |
| 2024-01-30 | ALTAltimmune, Inc.F Tax Payment | −$26.5K |
| 2024-01-30 | ALTAltimmune, Inc. · Restricted Stock UnitsM Exercise/Conversion | — |
| 2024-01-25 | ALTAltimmune, Inc. · Stock Options (option to buy)A Award | — |
| 2024-01-25 | ALTAltimmune, Inc. · Restricted Stock UnitsA Award | — |
| 2023-07-31 | ALTAltimmune, Inc.A Award | +$1,941.71 |
| 2023-03-23 | ALTAltimmune, Inc.P Purchase | +$42.2K |
| 2023-02-02 | ALTAltimmune, Inc.M Exercise/Conversion | — |
| 2023-02-02 | ALTAltimmune, Inc.F Tax Payment | −$35.6K |
| 2023-02-02 | ALTAltimmune, Inc. · Restricted Stock UnitsM Exercise/Conversion | — |
| 2023-02-01 | ALTAltimmune, Inc.M Exercise/Conversion | — |
| 2023-02-01 | ALTAltimmune, Inc.F Tax Payment | −$30.1K |
| 2023-02-01 | ALTAltimmune, Inc. · Restricted Stock UnitsM Exercise/Conversion | — |
| 2023-01-31 | ALTAltimmune, Inc.A Award | +$13.2K |
| 2023-01-30 | ALTAltimmune, Inc. · Stock Options (option to buy)A Award | — |
| 2023-01-30 | ALTAltimmune, Inc. · Restricted Stock UnitsA Award | — |
| 2022-07-31 | ALTAltimmune, Inc.A Award | +$7,381.36 |
| 2022-02-28 | ALTAltimmune, Inc.M Exercise/Conversion | +$57.6K |
| 2022-02-28 | ALTAltimmune, Inc.S Sale | −$226K |
| 2022-02-28 | ALTAltimmune, Inc. · Stock Options (option to buy)M Exercise/Conversion | — |
| 2022-02-02 | ALTAltimmune, Inc. · Stock Options (option to buy)A Award | — |
| 2022-02-02 | ALTAltimmune, Inc. · Restricted Stock UnitsA Award | — |
| 2022-02-01 | ALTAltimmune, Inc.M Exercise/Conversion | — |
| 2022-02-01 | ALTAltimmune, Inc.F Tax Payment | −$17.4K |
| 2022-02-01 | ALTAltimmune, Inc. · Restricted Stock UnitsM Exercise/Conversion | — |
Recent filings
- 4Harris Matthew Scott0001104659-25-073627SEC(opens sec.gov)
- 4Harris Matthew Scott0001104659-25-022550SEC(opens sec.gov)
- 4Harris Matthew Scott0001104659-25-008772SEC(opens sec.gov)
- 4Harris Matthew Scott0001104659-25-006841SEC(opens sec.gov)
- 4Harris Matthew Scott0001104659-24-084991SEC(opens sec.gov)
- 4Harris Matthew Scott0001104659-24-010779SEC(opens sec.gov)
Companies
Address
C/O ALTIMMUNE, INC., 910 CLOPPER ROAD, SUITE 201S
GAITHERSBURG, MD, 20878