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Derivative exercise or conversion — not an open-market buy.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell.
View the official recordSEC Form 4 — Statement of Changes in Beneficial OwnershipAll the details
Dates, kept separate
Transaction date
Nov 11, 2026
Reporting period
Not applicable
Filed with the SEC
Nov 13, 2026
CFOOption exercise
Context
Classification
option exercise
Code M — exercise or conversion of a derivative security
Planned / mechanical clue
Footnote references vesting of compensation awards
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001251779-26-000015
Filed / recorded
Nov 13, 2026, 9:05 PM UTC
Added to OQRO
Nov 13, 2026, 9:06 PM UTC
Parser
form4-xml-v2
Data quality
Verified: identifiers matched exactly
Issuer
Altimmune, Inc.
Issuer CIK
1326190
Ticker
ALT
Reporting person
Gregory L Weaver
Relationship
Officer
Officer title
Chief Financial Officer
Security
Restricted Stock Units
Table
Derivative (Table II)
Transaction date
Nov 11, 2026
Transaction code
M
Shares / units
18,750
Price per share
$0.00
Acquired / disposed
Disposed (D)
Shares owned after
37,500
Ownership form
Direct
Amendment
No
Footnotes from the filing
Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Common Stock, par value $0.0001, when vested.
The RSUs become vested over four (4) years with 25% of the shares vesting on November 11, 2025, with the remainder vesting in equal annual installments for the following three (3) years, subject to the reporting person's continued service through the applicable vesting date, and have no expiration date.
3 insiders in a week, 6th time since 2007Traded Nov 13 · filed the same day
The CEO of Altimmune paid $50K out of pocket for Altimmune shares. 2 other people at Altimmune bought some too, in the same month. It was the first purchase in over a year.
Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.
