SEC Insider Transactions from Durso Jerome Benedict.

Last updated: 2026-04-01 21:04 UTC | Total transactions: 7

Durso Jerome Benedict, President and CEO of Altimmune Inc. ($ALT), made two open market purchases of company shares over the last year, totaling about $122,000. His most recent buy occurred on March 6, 2026. These purchases rank 1,975th among 4,983 insiders in our database, where the average buy amounts to $1.5 million across 3.29 transactions. Benedict reported no open market sales in the period.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
April 1, 2026 Altimmune, Inc. $ALT Durso Jerome Benedict President and CEO P Common Stock, par value $0.0001 15000 $3.14 47,500.0000 88,104,132 46.15% 0.02%
March 6, 2026 Altimmune, Inc. $ALT Durso Jerome Benedict President and CEO P Common Stock, par value $0.0001 20000 $3.54 32,500.0000 88,104,132 160.00% 0.02%
Dec. 22, 2025 Altimmune, Inc. $ALT Durso Jerome Benedict Not found P Common Stock, par value $0.0001 12500 $4.13 12,500.0000 89,418,028 9999.99% 0.01%
Dec. 1, 2025 Altimmune, Inc. $ALT Durso Jerome Benedict CEO-elect A Restricted Stock Units 633700 $0.00 633,700.0000 89,418,028 9999.99% 0.71%
Dec. 1, 2025 Altimmune, Inc. $ALT Durso Jerome Benedict CEO-elect A Stock Options (option to buy) 1824400 $0.00 1,824,400.0000 89,418,028 9999.99% 2.04%
Sept. 25, 2025 Altimmune, Inc. $ALT Durso Jerome Benedict Director A Stock Options (option to buy) 48800 $0.00 48,800.0000 81,477,548 9999.99% 0.06%
Feb. 24, 2025 Altimmune, Inc. $ALT Durso Jerome Benedict Director A Stock Options (option to buy) 69800 $0.00 69,800.0000 71,003,399 9999.99% 0.10%