Lee Howard

CIK 00013799412 companiesRANCHO CUCAMONGA, CA

SEC Profile

Transactions

Companies

Filings

CIK

0001379941

Recent Transactions

50 trades

Tax Payment
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2025-06-03$26.01/sh−923→ 151,976 total
Award
Amphastar Pharmaceuticals, Inc.$AMPH
Stock Option (right to buy)
2025-06-02+11,402→ 11,402 total
Award
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2025-06-02+5,122→ 152,899 total
Tax Payment
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2024-06-05$42.04/sh−579→ 147,777 total
Award
Amphastar Pharmaceuticals, Inc.$AMPH
Stock Option (right to buy)
2024-06-03+6,864→ 6,864 total
Award
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2024-06-03+3,076→ 148,356 total
Tax Payment
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2023-06-10$45.67/sh−375→ 145,280 total
Award
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2023-06-05+2,716→ 145,655 total
Award
Amphastar Pharmaceuticals, Inc.$AMPH
Stock Option (right to buy)
2023-06-05+7,016→ 7,016 total
Sale
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2023-06-01$45.02/sh−16,679→ 142,939 total
Exercise/Conversion
Amphastar Pharmaceuticals, Inc.$AMPH
Stock Option (right to buy)
2023-06-01−16,679→ 0 total
Exercise/Conversion
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2023-06-01$16.69/sh+16,679→ 159,618 total
Award
Amphastar Pharmaceuticals, Inc.$AMPH
Stock Option (right to buy)
2022-06-10+10,984→ 10,984 total
Award
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2022-06-10+4,163→ 142,939 total
Exercise/Conversion
Amphastar Pharmaceuticals, Inc.$AMPH
Stock Option (right to buy)
2022-06-06−10,291→ 0 total
Exercise/Conversion
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2022-06-06$17.11/sh+10,291→ 149,067 total
Sale
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2022-06-06$37.79/sh−10,291→ 138,776 total
Sale
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2022-05-23$34.93/sh−10,000→ 138,776 total
Exercise/Conversion
Amphastar Pharmaceuticals, Inc.$AMPH
Stock Option (right to buy)
2022-05-23−10,000→ 10,291 total
Exercise/Conversion
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2022-05-23$17.11/sh+10,000→ 148,776 total
Tax Payment
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2021-06-12$19.92/sh−157→ 138,776 total
Exercise/Conversion
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2021-06-08$16.43/sh+8,000→ 146,933 total
Sale
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2021-06-08$19.31/sh−8,000→ 138,933 total
Disposition to Issuer
Amphastar Pharmaceuticals, Inc.$AMPH
Stock Option (right to buy)
2021-06-08−8,000→ 0 total
Disposition to Issuer
Amphastar Pharmaceuticals, Inc.$AMPH
Stock Option (right to buy)
2021-06-07−7,827→ 8,000 total
Award
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2021-06-07+6,019→ 138,933 total
Exercise/Conversion
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2021-06-07$16.43/sh+7,827→ 140,741 total
Award
Amphastar Pharmaceuticals, Inc.$AMPH
Stock Option (right to buy)
2021-06-07+17,182→ 17,182 total
Sale
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2021-06-07$19.28/sh−7,827→ 132,914 total
Exercise/Conversion
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2021-05-20$16.43/sh+10,000→ 142,914 total
Exercise/Conversion
Amphastar Pharmaceuticals, Inc.$AMPH
Stock Option (right to buy)
2021-05-20−10,000→ 15,827 total
Sale
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2021-05-20$19.74/sh−10,000→ 132,914 total
Tax Payment
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2020-06-12$19.58/sh−355→ 132,914 total
Award
Amphastar Pharmaceuticals, Inc.$AMPH
Stock Option (right to buy)
2020-06-08+16,004→ 16,004 total
Award
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2020-06-08+5,851→ 133,269 total
Tax Payment
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2020-06-07$19.52/sh−663→ 127,418 total
Exercise/Conversion
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2020-05-26$15.11/sh+10,000→ 138,081 total
Sale
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2020-05-26$18.60/sh−10,000→ 128,081 total
Exercise/Conversion
Amphastar Pharmaceuticals, Inc.$AMPH
Stock Option (right to buy)
2020-05-26−10,000→ 0 total
Sale
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2020-05-22$18.36/sh−10,000→ 128,081 total
Exercise/Conversion
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2020-05-22$15.11/sh+10,000→ 138,081 total
Exercise/Conversion
Amphastar Pharmaceuticals, Inc.$AMPH
Stock Option (right to buy)
2020-05-22−10,000→ 10,000 total
Exercise/Conversion
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2020-05-21$15.11/sh+10,000→ 138,081 total
Sale
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2020-05-21$18.47/sh−10,000→ 128,081 total
Exercise/Conversion
Amphastar Pharmaceuticals, Inc.$AMPH
Stock Option (right to buy)
2020-05-21−10,000→ 20,000 total
Sale
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2020-05-20$18.43/sh−17,782→ 128,081 total
Exercise/Conversion
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2020-05-20$15.11/sh+17,782→ 145,863 total
Exercise/Conversion
Amphastar Pharmaceuticals, Inc.$AMPH
Stock Option (right to buy)
2020-05-20−17,782→ 30,000 total
Award
Amphastar Pharmaceuticals, Inc.$AMPH
Common Stock
2019-06-12+5,491→ 128,081 total
Award
Amphastar Pharmaceuticals, Inc.$AMPH
Stock Option (right to buy)
2019-06-12+13,915→ 13,915 total

Companies

Recent Filings

Address

C/O AMPHASTAR PHARMACEUTICALS, INC. 11570 6TH STREET

RANCHO CUCAMONGA, CA, 91730

View on SEC.gov