Rong Zhou - 12 Dec 2024 Form 4 Insider Report for Amphastar Pharmaceuticals, Inc. (AMPH)

Signature
/s/ Eva Wen, by power of attorney
Issuer symbol
AMPH
Transactions as of
12 Dec 2024
Net transactions value
-$502,865
Form type
4
Filing time
16 Dec 2024, 17:22:52 UTC
Previous filing
13 Nov 2024
Next filing
06 Mar 2025

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMPH Common Stock Options Exercise $79,310 +7,000 +5.9% $11.33 125,469 12 Dec 2024 Direct F1
transaction AMPH Common Stock Sale $310,975 -7,000 -5.6% $44.42 118,469 12 Dec 2024 Direct
transaction AMPH Common Stock Options Exercise $90,640 +8,000 +6.8% $11.33 126,469 13 Dec 2024 Direct
transaction AMPH Common Stock Sale $361,840 -8,000 -6.3% $45.23 118,469 13 Dec 2024 Direct
holding AMPH Common Stock 99,668 12 Dec 2024 See footnote F2
holding AMPH Common Stock 5,000 12 Dec 2024 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 -7,000 -28% $0.000000 17,787 12 Dec 2024 Common Stock 7,000 $11.33 Direct F4
transaction AMPH Employee Stock Option (right to buy) Options Exercise $0 -8,000 -45% $0.000000 9,787 13 Dec 2024 Common Stock 8,000 $11.33 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes 81 shares acquired under the Issuer's 2014 Employee Stock Purchase Plan on November 30, 2024.
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.