Harris Matthew Scott

CIK 00017877621 companyGAITHERSBURG, MD

SEC Profile

Transactions

Companies

Filings

CIK

0001787762

Recent Transactions

50 trades

Award
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2025-07-31$3.14/sh+2,018→ 16,087 total
Gift
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2025-03-07−67,787→ 14,069 total
Tax Payment
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2025-02-02$6.64/sh−2,708→ 81,856 total
Exercise/Conversion
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2025-02-02+7,775→ 84,564 total
Exercise/Conversion
Altimmune, Inc.$ALT
Restricted Stock Units
2025-02-02+7,775→ 7,775 total
Tax Payment
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2025-02-01$6.64/sh−2,109→ 76,789 total
Exercise/Conversion
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2025-02-01+6,166→ 78,898 total
Exercise/Conversion
Altimmune, Inc.$ALT
Restricted Stock Units
2025-02-01+6,166→ 0 total
Award
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2025-01-31$5.18/sh+1,905→ 72,732 total
Exercise/Conversion
Altimmune, Inc.$ALT
Restricted Stock Units
2025-01-30+9,275→ 18,550 total
Exercise/Conversion
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2025-01-30+9,275→ 74,000 total
Tax Payment
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2025-01-30$7.00/sh−3,173→ 70,827 total
Award
Altimmune, Inc.$ALT
Stock Options (option to buy)
2025-01-27+183,600→ 183,600 total
Award
Altimmune, Inc.$ALT
Restricted Stock Units
2025-01-27+63,400→ 63,400 total
Exercise/Conversion
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2025-01-25+14,600→ 69,719 total
Exercise/Conversion
Altimmune, Inc.$ALT
Restricted Stock Units
2025-01-25+14,600→ 43,800 total
Tax Payment
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2025-01-25$6.98/sh−4,994→ 64,725 total
Award
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2024-07-31$5.41/sh+1,486→ 55,119 total
Exercise/Conversion
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2024-02-02+7,775→ 55,965 total
Tax Payment
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2024-02-02$9.32/sh−2,332→ 53,633 total
Exercise/Conversion
Altimmune, Inc.$ALT
Restricted Stock Units
2024-02-02−7,775→ 15,550 total
Exercise/Conversion
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2024-02-01+6,166→ 49,991 total
Exercise/Conversion
Altimmune, Inc.$ALT
Restricted Stock Units
2024-02-01−6,166→ 6,166 total
Tax Payment
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2024-02-01$9.88/sh−1,801→ 48,190 total
Award
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2024-01-31$2.69/sh+3,257→ 43,825 total
Exercise/Conversion
Altimmune, Inc.$ALT
Restricted Stock Units
2024-01-30−9,275→ 27,825 total
Exercise/Conversion
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2024-01-30+9,275→ 43,277 total
Tax Payment
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2024-01-30$9.80/sh−2,709→ 40,568 total
Award
Altimmune, Inc.$ALT
Stock Options (option to buy)
2024-01-25+163,200→ 163,200 total
Award
Altimmune, Inc.$ALT
Restricted Stock Units
2024-01-25+58,400→ 58,400 total
Award
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2023-07-31$2.81/sh+691→ 34,002 total
Purchase
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2023-03-23$4.22/sh+10,000→ 33,311 total
Exercise/Conversion
Altimmune, Inc.$ALT
Restricted Stock Units
2023-02-02−7,775→ 23,325 total
Tax Payment
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2023-02-02$15.04/sh−2,364→ 23,311 total
Exercise/Conversion
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2023-02-02+7,775→ 25,675 total
Tax Payment
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2023-02-01$13.78/sh−2,183→ 17,900 total
Exercise/Conversion
Altimmune, Inc.$ALT
Restricted Stock Units
2023-02-01−6,166→ 12,332 total
Exercise/Conversion
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2023-02-01+6,166→ 20,083 total
Award
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2023-01-31$10.21/sh+1,296→ 13,917 total
Award
Altimmune, Inc.$ALT
Restricted Stock Units
2023-01-30+37,100→ 37,100 total
Award
Altimmune, Inc.$ALT
Stock Options (option to buy)
2023-01-30+105,000→ 105,000 total
Award
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2022-07-31$6.86/sh+1,076→ 12,621 total
Sale
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2022-02-28$7.52/sh−30,000→ 11,545 total
Exercise/Conversion
Altimmune, Inc.$ALT
Stock Options (option to buy)
2022-02-28−30,000→ 31,400 total
Exercise/Conversion
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2022-02-28$1.92/sh+30,000→ 41,545 total
Award
Altimmune, Inc.$ALT
Stock Options (option to buy)
2022-02-02+91,600→ 91,600 total
Award
Altimmune, Inc.$ALT
Restricted Stock Units
2022-02-02+31,100→ 31,100 total
Tax Payment
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2022-02-01$7.98/sh−2,183→ 11,545 total
Exercise/Conversion
Altimmune, Inc.$ALT
Common Stock, par value $0.0001
2022-02-01+6,166→ 13,728 total
Exercise/Conversion
Altimmune, Inc.$ALT
Restricted Stock Units
2022-02-01−6,166→ 18,498 total

Companies

Altimmune, Inc.
Chief Medical Officer
$ALT

Recent Filings

Address

C/O ALTIMMUNE, INC., 910 CLOPPER ROAD, SUITE 201S

GAITHERSBURG, MD, 20878

View on SEC.gov