Rong Zhou - 01 Dec 2023 Form 4 Insider Report for Amphastar Pharmaceuticals, Inc. (AMPH)

Signature
/s/ Eva Wen, by power of attorney
Issuer symbol
AMPH
Transactions as of
01 Dec 2023
Transactions value $
-$343,153
Form type
4
Filing time
05 Dec 2023, 18:25:04 UTC
Previous filing
21 Jun 2023
Next filing
06 Mar 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMPH Common Stock Options Exercise $62.2K +4.32K +3.84% $14.40 117K 01 Dec 2023 Direct F1
transaction AMPH Common Stock Sale -$253K -4.32K -3.7% $58.58 112K 01 Dec 2023 Direct
transaction AMPH Common Stock Options Exercise $56.9K +3.51K +3.13% $16.19 116K 04 Dec 2023 Direct
transaction AMPH Common Stock Sale -$209K -3.51K -3.03% $59.58 112K 04 Dec 2023 Direct
holding AMPH Common Stock 99.7K 01 Dec 2023 See footnote F2
holding AMPH Common Stock 5K 01 Dec 2023 See footnote F3

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 -4.32K -100% $0.00* 0 01 Dec 2023 Common Stock 4.32K $14.40 Direct F4
transaction AMPH Employee Stock Option (right to buy) Options Exercise $0 -3.51K -100% $0.00* 0 04 Dec 2023 Common Stock 3.51K $16.19 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes 79 shares acquired under the Issuer's 2014 Employee Stock Purchase Plan on November 30, 2023.
F2 The shares are held of record by the Zhou Family Trust for which the reporting person serves as a trustee.
F3 The shares are held of record by the reporting person's spouse.
F4 Shares subject to the option are fully vested and immediately exercisable.