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4//SEC Filing

PETERS WILLIAM J 4

Accession 0001415889-25-007241

CIK 0001297184other

Filed

Mar 5, 7:00 PM ET

Accepted

Mar 6, 5:00 PM ET

Size

10.9 KB

Accession

0001415889-25-007241

Insider Transaction Report

Form 4
Period: 2025-03-04
PETERS WILLIAM J
DirectorCFO, EVP & TREASURER
Transactions
  • Exercise/Conversion

    Common Stock

    2025-03-04$13.35/sh+7,490$99,992101,594 total
  • Sale

    Common Stock

    2025-03-04$27.54/sh4,231$116,51597,363 total
  • Tax Payment

    Common Stock

    2025-03-04$27.62/sh1,739$48,03195,624 total
  • Exercise/Conversion

    Employee Stock Option (right to buy)

    2025-03-047,4900 total
    Exercise: $13.35Exp: 2027-03-16Common Stock (7,490 underlying)
Footnotes (5)
  • [F1]Includes one share acquired under the Issuer's 2014 Employee Stock Purchase Plan on November 30, 2024.
  • [F2]The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 14, 2024.
  • [F3]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.21 to $28.09, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.
  • [F4]The reported shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of restricted stock units, or RSUs.
  • [F5]Shares subject to the option are fully vested and immediately exercisable.

Issuer

Amphastar Pharmaceuticals, Inc.

CIK 0001297184

Entity typeother

Related Parties

1
  • filerCIK 0001263136

Filing Metadata

Form type
4
Filed
Mar 5, 7:00 PM ET
Accepted
Mar 6, 5:00 PM ET
Size
10.9 KB