Anthony T. Pierce

DIRECTOR · AMPHASTAR PHARMACEUTICALS, INC. · CIK 0002141303

FILING MIX · LIFETIME100%/0%

BUYS

SELLS

TOTAL VALUE

COMPANIES

ACTIVE SINCE

Jul 2026

HOLDINGS NOW

16,646

AVG SELL PX

—

Trades · vs SPY

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Performance · forward returns vs SPY

No backtest data available for Anthony T. Pierce. Backtests are computed for purchase (P) and sale (S) transactions with resolvable price history.

Holdings over time

AMPH · 16,646 shares · as of Jul 9, 2026

Trading cadence · quarterly flow

BUY ● SELL ●

2026

FLOW · 2 buys / 0 sellsCOVERAGE · 1 quarters

Form 4 filings · all activity

COMPANY	TYPE	SHARES	PRICE	VALUE	HELD AFTER	TRADE DATE	FILED	DETAILS
AMPH AMPHASTAR PHARMACEUTICALS, INC.	PURCHASEGRANT Stock grant	16,646	—	—	16,646	Jul 9, 2026	Jul 13, 2026 ↗	View →
AMPH AMPHASTAR PHARMACEUTICALS, INC.	PURCHASEGRANT Stock grant	7,886	—	—	7,886	Jul 9, 2026	Jul 13, 2026 ↗	View →

Other insiders · AMPH

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About this filer

CIK 0002141303

ROLE

Director

PRIMARY

AMPH

COMPANIES

ACTIVE SINCE

Jul 2026

MARKETPEEL · /INSIDER/0002141303DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE

The morning brief, before the bell.