Company Insider Tape

Amphastar P insider transactions

Executive and director filing history, acquisition and disposal balance, executive concentration, cadence, and stored market context.

Symbol AMPH Latest filing 9 Jul 2026

Company Read

Net disposal

AMPH has 15 stored insider filings. Acquisitions account for 93.3% of classified filings and disposals account for 6.7%. The largest stored filing is $14.2K from LEE, HOWARD.

Latest filing 9 Jul 2026most recent stored row
Largest filing $14.2Kreported transaction value
Total filings 15stored transaction rows
Acquisition value $014 acquisitions
Disposal value $14.2K1 disposals
Net value $-14.2Kacquisitions minus disposals

Filing cadence

Last 12 active months
Jun 2026 13
Jul 2026 2

Acquisitions 93.3% · Disposals 6.7%

Jun 2026 $14.2K
Jul 2026 $0

Executive concentration

By filing count
LEE, HOWARD Director · 3 filings
GAUGH, DAVID RUSSELL Director · 2 filings
GERST, DIANE G. Director · 2 filings
DEFLIN, GAYLE Director · 2 filings
PIERCE, ANTHONY T Director · 2 filings
PRINS, RICHARD K Director · 2 filings
ZASLOFF, MICHAEL A Director · 2 filings

Market Context

AMPH weekly market snapshot

Week 31 Jul 2026
Latest close 19.94 USDstored weekly close
1-week move +6.5%latest weekly bar
13-week move +1.5%medium-term context
Relative Strength -23.8Sharemaestro indicator
Fair value gap -43.8%price vs fair value
Trend signal 0smoothed trend state

Transaction History

Latest insider filings for AMPH

Showing 1-15 of 15
Date 9 Jul 2026
Insider PIERCE, ANTHONY TDirector
Side Acquisition
Shares 7886
Price 0.00
Value 0
Security Common Stock
Date 9 Jul 2026
Insider PIERCE, ANTHONY TDirector
Side Acquisition
Shares 16646
Price 0.00
Value 0
Security Stock Option (right to buy)
Date 2 Jun 2026
Insider LEE, HOWARDDirector
Side Disposal
Shares 769
Price 18.45
Value 14188
Security Common Stock
Date 1 Jun 2026
Insider DEFLIN, GAYLEDirector
Side Acquisition
Shares 17365
Price 0.00
Value 0
Security Stock Option (right to buy)
Date 1 Jun 2026
Insider DEFLIN, GAYLEDirector
Side Acquisition
Shares 8143
Price 0.00
Value 0
Security Common Stock
Date 1 Jun 2026
Insider GAUGH, DAVID RUSSELLDirector
Side Acquisition
Shares 8143
Price 0.00
Value 0
Security Common Stock
Date 1 Jun 2026
Insider GAUGH, DAVID RUSSELLDirector
Side Acquisition
Shares 17365
Price 0.00
Value 0
Security Stock Option (right to buy)
Date 1 Jun 2026
Insider GERST, DIANE G.Director
Side Acquisition
Shares 17365
Price 0.00
Value 0
Security Stock Option (right to buy)
Date 1 Jun 2026
Insider GERST, DIANE G.Director
Side Acquisition
Shares 8143
Price 0.00
Value 0
Security Common Stock
Date 1 Jun 2026
Insider LEE, HOWARDDirector
Side Acquisition
Shares 17365
Price 0.00
Value 0
Security Stock Option (right to buy)
Date 1 Jun 2026
Insider LEE, HOWARDDirector
Side Acquisition
Shares 8143
Price 0.00
Value 0
Security Common Stock
Date 1 Jun 2026
Insider PRINS, RICHARD KDirector
Side Acquisition
Shares 17365
Price 0.00
Value 0
Security Stock Option (right to buy)
Date 1 Jun 2026
Insider PRINS, RICHARD KDirector
Side Acquisition
Shares 8143
Price 0.00
Value 0
Security Common Stock
Date 1 Jun 2026
Insider ZASLOFF, MICHAEL ADirector
Side Acquisition
Shares 17365
Price 0.00
Value 0
Security Common Stock
Date 1 Jun 2026
Insider ZASLOFF, MICHAEL ADirector
Side Acquisition
Shares 8143
Price 0.00
Value 0
Security Common Stock