Amphastar Pharmaceuticals, Inc. 4

Insider Pierce Anthony T received RSU and stock option awards in Amphastar Pharmaceuticals, Inc. common stock on July 9, 2026.

On July 9, 2026, Amphastar Pharmaceuticals, Inc. insider Pierce Anthony T received an equity compensation package consisting of 7,886 shares of common stock in the form of restricted stock units that vest in full on July 9, 2027, and a stock option grant for 16,646 shares with an exercise price of $19.02 per share, also vesting in full on July 9, 2027. These awards appear to be routine equity compensation grants rather than open-market transactions, and following the grants he holds 16,646 shares of common stock with derivative rights to acquire an additional 16,646 shares via options. The total implied value of the RSUs and options cannot be precisely calculated from the filing because no market price is provided, but the option grant carries a notional strike value of approximately $316,700 (16,646 × $19.02).

Filing Facts

CIK

1297184

Ticker

AMPH

Form

4

Source Type

fda

Accession

0002141303-26-000005

Alert Tier

5