SEC Insider Transactions from Roberts M Scot.

Last updated: 2026-03-14 11:53 UTC | Total transactions: 54

Roberts M Scot has filed 54 insider transactions across 1 company since January 2023.

Most recent transaction: a grant/award of 222670 shares of Altimmune, Inc. ($ALT) on February 26, 2026.

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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
Feb. 26, 2026 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer A Stock Options (option to buy) 222670 $0.00 222,670.0000 88,104,132 9999.99% 0.25%
Feb. 26, 2026 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer A Restricted Stock Units 95430 $0.00 95,430.0000 88,104,132 9999.99% 0.11%
Jan. 30, 2026 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer F Common Stock, par value $0.0001 2859 $5.60 101,811.0000 88,104,132 2.73% 0.00%
Jan. 30, 2026 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer M Common Stock, par value $0.0001 9275 $0.00 104,670.0000 88,104,132 9.72% 0.01%
Feb. 2, 2026 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer M Common Stock, par value $0.0001 7775 $0.00 115,153.0000 88,104,132 7.24% 0.01%
Jan. 31, 2026 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer A Common Stock, par value $0.0001 5567 $3.07 107,378.0000 88,104,132 5.47% 0.01%
Feb. 2, 2026 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer M Restricted Stock Units 7775 $0.00 0.0000 88,104,132 100.00% 0.01%
Jan. 30, 2026 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer M Restricted Stock Units 9275 $0.00 9,275.0000 88,104,132 50.00% 0.01%
Feb. 2, 2026 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer F Common Stock, par value $0.0001 2329 $5.55 112,824.0000 88,104,132 2.02% 0.00%
Jan. 27, 2026 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer M Restricted Stock Units 15850 $0.00 47,550.0000 88,104,132 25.00% 0.02%
Jan. 27, 2026 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer F Common Stock, par value $0.0001 4748 $6.18 95,395.0000 88,104,132 4.74% 0.01%
Jan. 27, 2026 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer M Common Stock, par value $0.0001 15850 $0.00 100,143.0000 88,104,132 18.80% 0.02%
Jan. 25, 2026 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer M Common Stock, par value $0.0001 14600 $0.00 88,666.0000 88,104,132 19.71% 0.02%
Jan. 25, 2026 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer F Common Stock, par value $0.0001 4373 $5.50 84,293.0000 88,104,132 4.93% 0.00%
Jan. 25, 2026 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer M Restricted Stock Units 14600 $0.00 29,200.0000 88,104,132 33.33% 0.02%
July 31, 2025 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer A Common Stock, par value $0.0001 846 $3.14 74,066.0000 81,477,548 1.16% 0.00%
Feb. 2, 2025 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer M Common Stock, par value $0.0001 7775 $0.00 75,536.0000 71,003,399 11.47% 0.01%
Jan. 30, 2025 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer M Common Stock, par value $0.0001 9275 $0.00 62,921.0000 71,003,399 17.29% 0.01%
Jan. 30, 2025 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer F Common Stock, par value $0.0001 2709 $7.00 60,212.0000 71,003,399 4.31% 0.00%
Jan. 31, 2025 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer A Common Stock, par value $0.0001 3184 $5.18 63,396.0000 71,003,399 5.29% 0.00%
Feb. 1, 2025 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer M Common Stock, par value $0.0001 6166 $0.00 69,562.0000 71,003,399 9.73% 0.01%
Feb. 1, 2025 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer F Common Stock, par value $0.0001 1801 $6.64 67,761.0000 71,003,399 2.59% 0.00%
Feb. 2, 2025 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer F Common Stock, par value $0.0001 2316 $6.64 73,220.0000 71,003,399 3.07% 0.00%
Jan. 30, 2025 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer M Restricted Stock Units 9275 $0.00 18,550.0000 71,003,399 100.00% 0.01%
Feb. 1, 2025 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer M Restricted Stock Units 6166 $0.00 0.0000 71,003,399 0.00% 0.01%
Feb. 2, 2025 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer M Restricted Stock Units 7775 $0.00 7,775.0000 71,003,399 9999.99% 0.01%
Jan. 25, 2025 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer M Common Stock, par value $0.0001 14600 $0.00 57,925.0000 71,003,399 33.70% 0.02%
Jan. 25, 2025 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer F Common Stock, par value $0.0001 4264 $6.98 53,661.0000 71,003,399 7.36% 0.01%
Jan. 25, 2025 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer M Restricted Stock Units 14600 $0.00 43,800.0000 71,003,399 50.00% 0.02%
Jan. 27, 2025 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer A Stock Options (option to buy) 183600 $0.00 183,600.0000 71,003,399 9999.99% 0.26%
Jan. 27, 2025 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer A Restricted Stock Units 63400 $0.00 63,400.0000 71,003,399 9999.99% 0.09%
July 31, 2024 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer A Common Stock, par value $0.0001 650 $5.41 43,325.0000 70,924,371 1.52% 0.00%
Feb. 1, 2024 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer M Restricted Stock Units 6166 $0.00 6,166.0000 53,246,937 50.00% 0.01%
Feb. 1, 2024 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer M Common Stock, par value $0.0001 6166 $0.00 39,031.0000 53,246,937 18.76% 0.01%
Feb. 1, 2024 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer F Common Stock, par value $0.0001 1801 $9.88 37,230.0000 53,246,937 4.61% 0.00%
Feb. 2, 2024 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer M Common Stock, par value $0.0001 7775 $0.00 45,005.0000 53,246,937 20.88% 0.01%
Feb. 2, 2024 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer F Common Stock, par value $0.0001 2330 $9.32 42,675.0000 53,246,937 5.18% 0.00%
Feb. 2, 2024 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer M Restricted Stock Units 7775 $0.00 15,550.0000 53,246,937 33.33% 0.01%
Jan. 30, 2024 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer F Common Stock, par value $0.0001 2709 $9.80 27,005.0000 53,246,937 9.12% 0.01%
Jan. 31, 2024 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer A Common Stock, par value $0.0001 5860 $2.69 32,865.0000 53,246,937 21.70% 0.01%
Jan. 30, 2024 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer M Restricted Stock Units 9275 $0.00 27,825.0000 53,246,937 25.00% 0.02%
Jan. 30, 2024 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer M Common Stock, par value $0.0001 9275 $0.00 29,714.0000 53,246,937 45.38% 0.02%
Jan. 25, 2024 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer A Stock Options (option to buy) 163200 $0.00 163,200.0000 53,246,937 9999.99% 0.31%
Jan. 25, 2024 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer A Restricted Stock Units 58400 $0.00 58,400.0000 53,246,937 9999.99% 0.11%
July 31, 2023 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer A Common Stock, par value $0.0001 568 $2.81 20,439.0000 50,691,558 2.86% 0.00%
Feb. 2, 2023 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer M Restricted Stock Units 7775 $0.00 23,325.0000 46,926,349 25.00% 0.02%
Feb. 2, 2023 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer F Common Stock, par value $0.0001 2375 $15.04 19,871.0000 46,926,349 10.68% 0.01%
Feb. 2, 2023 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer M Common Stock, par value $0.0001 7775 $0.00 22,246.0000 46,926,349 53.73% 0.02%
Feb. 1, 2023 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer M Restricted Stock Units 6166 $0.00 12,332.0000 46,926,349 33.33% 0.01%
Feb. 1, 2023 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer F Common Stock, par value $0.0001 2183 $13.78 14,471.0000 46,926,349 13.11% 0.00%
Feb. 1, 2023 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer M Common Stock, par value $0.0001 6166 $0.00 16,654.0000 46,926,349 58.79% 0.01%
Jan. 31, 2023 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer A Common Stock, par value $0.0001 1436 $10.21 10,488.0000 46,926,349 15.86% 0.00%
Jan. 30, 2023 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer A Restricted Stock Units 37100 $0.00 37,100.0000 46,926,349 9999.99% 0.08%
Jan. 30, 2023 Altimmune, Inc. $ALT Roberts M Scot Chief Scientific Officer A Stock Options (option to buy) 105000 $0.00 105,000.0000 46,926,349 9999.99% 0.22%