InsiderTrades

Form 4 for ALT Altimmune, Inc.

Accepted 2025-02-03 00:00:00 ET · period of report 2025-01-30 · accession 0001104659-25-008772 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
DM 2025-02-03 2025-01-30+ ALT Harris Matthew Scott Chief Medical Off F - Tax $6.78 -7,990 76.8K -9% -$54.2K
DM 2025-02-03 2025-01-30+ ALT Harris Matthew Scott Chief Medical Off M - OptEx $0.00 +23.2K 78.9K +42% $0
D 2025-02-03 2025-01-31 ALT Harris Matthew Scott Chief Medical Off A - Grant $5.18 +1,905 72.7K +3% +$9,868
DM 2025-02-03 2025-01-30+ ALT Harris Matthew Scott Chief Medical Off M - OptEx $0.00 +23.2K 0 New $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock, par value $0.0001 2025-02-02 F D 2,708 $6.64 81,856 D — —
2 Common Common Stock, par value $0.0001 2025-01-30 M A 9,275 $0.00 74,000 D — — (F2) Vesting transaction: Shares surrendered to the Issuer solely to cover taxes associated with vesting of RSUs.
3 Common Common Stock, par value $0.0001 2025-01-30 F D 3,173 $7.00 70,827 D — —
4 Common Common Stock, par value $0.0001 2025-02-02 M A 7,775 $0.00 84,564 D — — (F2) Vesting transaction: Shares surrendered to the Issuer solely to cover taxes associated with vesting of RSUs.
5 Common Common Stock, par value $0.0001 2025-02-01 M A 6,166 $0.00 78,898 D — — (F2) Vesting transaction: Shares surrendered to the Issuer solely to cover taxes associated with vesting of RSUs.
6 Common Common Stock, par value $0.0001 2025-02-01 F D 2,109 $6.64 76,789 D — —
7 Common Common Stock, par value $0.0001 2025-01-31 A A 1,905 $5.18 72,732 D — — (F4) In accordance with the ESPP, these shares were purchased based on 85% of the closing price of the Issuer's common stock on August 1, 2024.
8 Derivative Restricted Stock Units 2025-01-30 M A 9,275 $0.00 18,550 D — · — to — 9,275 Common Stock, par value $0.0001 (F1) Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Common Stock, par value $0.0001, when vested. (F5) The RSUs vest in substantially equal annual installments over the 4 years following January 30, 2023, subject to the reporting person's continued service through the applicable vesting date, and have no expiration date.
9 Derivative Restricted Stock Units 2025-02-02 M A 7,775 $0.00 7,775 D — · — to — 7,775 Common Stock, par value $0.0001 (F1) Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Common Stock, par value $0.0001, when vested. (F7) The RSUs vest in substantially equal annual installments over the 4 years following February 2, 2022, subject to the reporting person's continued service through the applicable vesting date, and have no expiration date.
10 Derivative Restricted Stock Units 2025-02-01 M A 6,166 $0.00 0 D — · — to — 6,166 Common Stock, par value $0.0001 (F1) Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Common Stock, par value $0.0001, when vested. (F6) The RSUs vest in substantially equal annual installments over the 4 years following February 1, 2021, subject to the reporting person's continued service through the applicable vesting date, and have no expiration date.