Altimmune Inc

ALTNASDAQ
$2.94
0.062.08%
At close: Aug 14, 5:00 PM EST
$2.92
-0.0199-0.68%
After Hours: Aug 14, 7:18 PM EST
Earnings: Q2 2026 Earnings were released on Wed Aug 12th, before the market open
Conference Call: The most recent conference call started at 8:30 AM, 3 days ago
Click to view the webcast

Altimmune Ownership & Insider Activity

Altimmune (ALT) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 2.9% of shares outstanding. Institutional investors hold 31.2%. Over the past 90 days, insiders made 1 purchase worth $44K.

Shares Outstanding

194.518M

Shares Float

194.279M

Insider Shares Owned

5.557M

Insider % Owned

2.9%

Institutional Shares Held

60.668M

Institutional % Held

31.2%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

1

$44K total

Sales (90d)

0

Net Activity

Net Buying

Net Value (90d)

$44K

Altimmune Insider Transactions (Last 6 Months)

DateInsiderTitleTypeSharesPriceValue
Aug 13, 2026Benedict Jerome DursoPRESIDENT AND CEOBUY15.000K$2.95$44K
Apr 6, 2026JOHN GILLBUY9.200K$3.41$31K