NASDAQ: ALT
Altimmune Inc Stock Ownership - Who owns Altimmune?

Insider buying vs selling

Have Altimmune Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Raymond M. JordtChief Business Officer2026-01-253,855$5.50
$21.20kSell
M. Scot RobertsChief Scientific Officer2026-01-254,373$5.50
$24.05kSell
Vipin K. GargDirector2026-01-2517,984$5.50
$98.91kSell
Wayne PisanoDirector2026-01-085,000$4.08
$20.41kBuy
Catherine A. SohnDirector2026-01-05500$4.24
$2.12kBuy
Raymond M. JordtChief Business Officer2026-01-012,475$3.61
$8.93kSell
Diane JorkaskyDirector2025-12-29527$3.80
$2.00kBuy
John GillDirector2025-12-2312,500$4.10
$51.25kBuy
Jerome Benedict DursoDirector2025-12-2212,500$4.13
$51.56kBuy
Gregory L. WeaverChief Financial Officer2025-11-115,672$4.28
$24.28kSell

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Net Insider Buy/Sell (L12M) Ownership

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ALT Shareholders

What type of owners hold Altimmune Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Prescott Group Capital Management LLC19.03%19,837,273$122.59MInsider
Novartis Bioventures Ltd8.00%8,345,145$51.57MInsider
Vanguard Group Inc6.11%6,373,638$39.39MInstitution
Blackrock Inc6.11%6,373,259$39.39MInstitution
Mpm Bioventures III LLC6.09%6,347,614$39.23MInsider
Luke Evnin6.09%6,347,614$39.23MInsider
Healthcare Ventures VII LP4.20%4,378,057$27.06MInsider
State Street Corp3.45%3,601,255$22.26MInstitution
Venrock Healthcare Capital Partners III LP3.36%3,500,000$21.63MInsider
James H. Cavanaugh3.18%3,317,243$20.50MInsider

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ALT vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ALT39.58%60.42%Net SellingNet Selling
LBRX71.88%28.12%Net Buying
LXEO67.63%9.87%Net SellingNet Selling
KROS79.60%20.40%Net SellingNet Selling
LXRX21.62%78.38%Net Selling

Altimmune Stock Ownership FAQ

Who owns Altimmune?

Altimmune (NASDAQ: ALT) is owned by 39.79% institutional shareholders, 60.74% Altimmune insiders, and 0.00% retail investors. Prescott Group Capital Management LLC is the largest individual Altimmune shareholder, owning 19.84M shares representing 19.03% of the company. Prescott Group Capital Management LLC's Altimmune shares are currently valued at $101.57M.

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