Key facts
- This page summarizes Matthew Scott Harris's Form 4 filing for Altimmune, Inc. (ALT).
- 10 reported transactions and 3 derivative rows are listed below.
- Accepted by SEC: 03 Feb 2025, 20:48.
Matthew Scott Harris - 30 Jan 2025 Form 4 Insider Report for Altimmune, Inc. (ALT)
- Reporting relationship
- Chief Medical Officer
- Issuer ticker
- ALT
- Reported as of
- 30 Jan 2025
- Net transaction value
- -$44,328
- SEC form
- 4
- Accepted by SEC
- 03 Feb 2025, 20:48:13 UTC
- Prior SEC filing
- 28 Jan 2025
- Next SEC filing
- 11 Mar 2025
- Source filing
- View source filing
- Reporting owner signature
- /s/ Greg Weaver, as Attorney-in-Fact
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Matthew Scott Harris filed Form 4 for Altimmune, Inc. (ALT) on 03 Feb 2025.
Change
- Previous filing in this sequence was filed on 28 Jan 2025.
- Current net transaction value: -$44,328.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
ALT
transaction
Common Stock, par value $0.0001
Options Exercise
- Transaction value
- $0
- Shares
- +9,275
- Change %
- +14%
- Price
- $0.000000
- Shares after
- 74,000
- Date
- 30 Jan 2025
- Ownership
- Direct
- Footnotes
- F2
ALT
transaction
Common Stock, par value $0.0001
Tax liability
- Transaction value
- $22,211
- Shares
- -3,173
- Change %
- -4.3%
- Price
- $7.00
- Shares after
- 70,827
- Date
- 30 Jan 2025
- Ownership
- Direct
- Footnotes
- F1
ALT
transaction
Common Stock, par value $0.0001
Award
- Transaction value
- $9,868
- Shares
- +1,905
- Change %
- +2.7%
- Price
- $5.18
- Shares after
- 72,732
- Date
- 31 Jan 2025
- Ownership
- Direct
- Footnotes
- F3, F4
ALT
transaction
Common Stock, par value $0.0001
Options Exercise
- Transaction value
- $0
- Shares
- +6,166
- Change %
- +8.5%
- Price
- $0.000000
- Shares after
- 78,898
- Date
- 01 Feb 2025
- Ownership
- Direct
- Footnotes
- F2
ALT
transaction
Common Stock, par value $0.0001
Tax liability
- Transaction value
- $14,004
- Shares
- -2,109
- Change %
- -2.7%
- Price
- $6.64
- Shares after
- 76,789
- Date
- 01 Feb 2025
- Ownership
- Direct
- Footnotes
- F1
ALT
transaction
Common Stock, par value $0.0001
Options Exercise
- Transaction value
- $0
- Shares
- +7,775
- Change %
- +10%
- Price
- $0.000000
- Shares after
- 84,564
- Date
- 02 Feb 2025
- Ownership
- Direct
- Footnotes
- F2
ALT
transaction
Common Stock, par value $0.0001
Tax liability
- Transaction value
- $17,981
- Shares
- -2,708
- Change %
- -3.2%
- Price
- $6.64
- Shares after
- 81,856
- Date
- 02 Feb 2025
- Ownership
- Direct
- Footnotes
- F1
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
ALT
transaction
Derivative
Restricted Stock Units
Options Exercise
- Transaction value
- $0
- Shares
- +9,275
- Change %
- +100%
- Price
- $0.000000
- Shares after
- 18,550
- Date
- 30 Jan 2025
- Ownership
- Direct
- Underlying class
- Common Stock, par value $0.0001
- Underlying amount
- 9,275
- Exercise price
- Footnotes
- F1, F5
ALT
transaction
Derivative
Restricted Stock Units
Options Exercise
- Transaction value
- $0
- Shares
- +6,166
- Change %
- Price
- $0.000000
- Shares after
- 0
- Date
- 01 Feb 2025
- Ownership
- Direct
- Underlying class
- Common Stock, par value $0.0001
- Underlying amount
- 6,166
- Exercise price
- Footnotes
- F1, F6
ALT
transaction
Derivative
Restricted Stock Units
Options Exercise
- Transaction value
- $0
- Shares
- +7,775
- Change %
- Price
- $0.000000
- Shares after
- 7,775
- Date
- 02 Feb 2025
- Ownership
- Direct
- Underlying class
- Common Stock, par value $0.0001
- Underlying amount
- 7,775
- Exercise price
- Footnotes
- F1, F7
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 7 footnotes
Footnote F1
Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Common Stock, par value $0.0001, when vested.
Footnote F2
Vesting transaction: Shares surrendered to the Issuer solely to cover taxes associated with vesting of RSUs.
Footnote F3
These shares were purchased due to participation by the reporting individual in the Issuer's 2019 Employee Stock Purchase Plan ("ESPP"). It pertains to the ESPP purchase period from August 1, 2024 through January 31, 2025.
Footnote F4
In accordance with the ESPP, these shares were purchased based on 85% of the closing price of the Issuer's common stock on August 1, 2024.
Footnote F5
The RSUs vest in substantially equal annual installments over the 4 years following January 30, 2023, subject to the reporting person's continued service through the applicable vesting date, and have no expiration date.
Footnote F6
The RSUs vest in substantially equal annual installments over the 4 years following February 1, 2021, subject to the reporting person's continued service through the applicable vesting date, and have no expiration date.
Footnote F7
The RSUs vest in substantially equal annual installments over the 4 years following February 2, 2022, subject to the reporting person's continued service through the applicable vesting date, and have no expiration date.