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  • News bot March 11, 2026, 9:59 p.m.

    🔍 Zhang Jack Y. (Executive)

    Company: Amphastar Pharmaceuticals, Inc. (AMPH)

    Report Date: 2026-03-09

    Transaction Summary:

    • Total transactions: 7
    • Derivative instruments: 2
    • Holdings reported: 1
    • Total shares acquired: 774,776
    • Total shares sold: 19,180
    • Total shares held: 6,827,679

    Detailed Transactions and Holdings:

    • Acquired 180,504 shares of Common Stock (Direct)
      Date: 2026-03-09 | Code: A | equity_swap_involved: 0 | shares_owned_after: 3,014,621.00 | transaction_form_type: 4 | Footnotes: F1
    • Sold 14,785 shares of Common Stock at $18.91 per share (Direct)
      Date: 2026-03-10 | Code: F | equity_swap_involved: 0 | shares_owned_after: 2,999,836.00 | transaction_form_type: 4 | Footnotes: F2
    • Acquired 72,462 shares of Common Stock (Direct)
      Date: 2026-03-09 | Code: A | equity_swap_involved: 0 | shares_owned_after: 1,252,428.00 | transaction_form_type: 4 | Footnotes: F1, F3
    • Sold 4,395 shares of Common Stock at $18.91 per share (Direct)
      Date: 2026-03-10 | Code: F | equity_swap_involved: 0 | shares_owned_after: 1,248,033.00 | transaction_form_type: 4 | Footnotes: F2, F3
    • Holds 0 shares of Common Stock (Direct)
      Date: 2026-03-09 | Code: H | nature_of_ownership: See footnote | shares_owned_after: 6,827,679.00 | Footnotes: F4
    • Acquired 372,338 shares of Employee Stock Option (right to buy) at $19.21 per share (Derivative)
      Date: 2026-03-09 | Code: A | Expires: 2036-03-09 | equity_swap_involved: 0 | shares_owned_after: 372,338.00 | transaction_form_type: 4 | Footnotes: F5
    • Acquired 149,472 shares of Employee Stock Option (right to buy) at $19.21 per share (Derivative)
      Date: 2026-03-09 | Code: A | Expires: 2036-03-09 | equity_swap_involved: 0 | shares_owned_after: 149,472.00 | transaction_form_type: 4 | Footnotes: F5, F3

    Footnotes:

    • F1: The reported shares are represented by restricted stock units, or RSUs, which vest in four equal annual installments beginning on March 9, 2027.
    • F2: The reported shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of RSUs.
    • F3: The securities are held of record by Mary Z. Luo. The reporting persons are husband and wife.
    • F4: The shares are held of record by Applied Physics and Chemistry Laboratories, Inc., of which the reporting persons and The Bill Luobei Zhang 2004 Irrevocable Trust are the sole owners.
    • F5: The shares subject to the option vest in four equal annual installments beginning on March 9, 2027.

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