RICHARDSON LINDA M

PrivateCIK: 1595064
Location

DURHAM, NC

RICHARDSON LINDA M (Chief Commercial Officer) exercised options at ALTIMMUNE, INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise
InsiderRICHARDSON LINDA MCIK 1595064
→
IssuerALTIMMUNE, INC.CIK 1326190
Officer· Chief Commercial Officer
Since Sep 2025
-6.83K
Net shares
Net seller
$22.1K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
24K acquired · 30.83K disposed
Non-Derivative Transactions2

Common Stock, par value $0.0001

Direct
M · Option Exercise

Shares

+24K

Price / share

—

Trade value

—

% of position

New position
9/16/2026
0.00→24K

Common Stock, par value $0.0001

Direct
F · Tax Withholding

Shares

−6.83K

Price / share

$3.24

Trade value

$22.12K

% of position

28.4%
9/16/2026
24K→17.17K
Total

Net shares

+17.17K

Net value

-$22.12K

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock, par value $0.0001

24K shares

Shares

−24K

Strike price

Held after

72K

Exercisable

—

9/16/2026
RICHARDSON LINDA M — Insider Transaction (Form 4) Filed Sep 17, 2026 | Finecho