Jack Y. Zhang - 15 Mar 2024 Form 4 Insider Report for Amphastar Pharmaceuticals, Inc. (AMPH)

Role
CEO & Chief Scientific Officer, Director, 10%+ Owner
Signature
/s/ Eva Wen, by power of attorney for Jack Y. Zhang
Issuer symbol
AMPH
Transactions as of
15 Mar 2024
Net transactions value
-$14,431,386
Form type
4
Filing time
19 Mar 2024, 18:55:31 UTC
Previous filing
08 Mar 2024
Next filing
11 Jun 2024
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMPH Common Stock Options Exercise $8,996,693 +722,046 +34% $12.46 2,858,043 15 Mar 2024 Direct
transaction AMPH Common Stock Tax liability $17,595,439 -408,721 -14% $43.05 2,449,322 15 Mar 2024 Direct F1
transaction AMPH Common Stock Tax liability $678,812 -15,768 -0.64% $43.05 2,433,554 17 Mar 2024 Direct F2
transaction AMPH Common Stock Options Exercise $3,874,188 +310,930 +28% $12.46 1,439,466 15 Mar 2024 See footnote F3
transaction AMPH Common Stock Tax liability $8,724,427 -202,658 -14% $43.05 1,236,808 15 Mar 2024 See footnote F3, F4
transaction AMPH Common Stock Tax liability $303,589 -7,052 -0.57% $43.05 1,229,756 17 Mar 2024 See footnote F2, F3
holding AMPH Common Stock 6,827,679 15 Mar 2024 See footnote F5

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction AMPH Employee Stock Option (right to buy) Options Exercise $0 -722,046 -100% $0.000000* 0 15 Mar 2024 Common Stock 722,046 $12.46 Direct F6
transaction AMPH Employee Stock Option (right to buy) Options Exercise $0 -310,930 -100% $0.000000* 0 15 Mar 2024 Common Stock 310,930 $12.46 See footnote F3, F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Consists of 399,187 shares withheld to pay the exercise price and withholding taxes incurred in connection with the exercise of 622,046 options and 9,534 shares withheld to satisfy the reporting person's tax liability in connection with the vesting of restricted stock units, or RSUs.
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 Consists of 198,640 shares withheld to pay the exercise price and withholding taxes incurred in connection with the option exercise and 4,018 shares withheld to satisfy the reporting person's tax liability in connection with the vesting of RSUs.
F5 The shares are held of record by Applied Physics & Chemistry Laboratories, Inc., of which the reporting persons and The Bill Luobei Zhang 2004 Irrevocable Trust are the sole owners.
F6 Shares subject to the option are fully vested and immediately exercisable.