Gerst Diane G. Insider Trades

Insider Trading History

Track insider trading activity for Gerst Diane G.. See latest buy and sell transactions across all companies.

Holdings

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price

Insider Trades History

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
Amphastar Pharmaceuticals
Amphastar Pharmaceuticals AMPH
Director
Holding Value $444k 23,756 shares
Last Trade
Jun 02, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$289k 11,402 shares
$25.38
$18.70
Amphastar Pharmaceuticals
Amphastar Pharmaceuticals AMPH
Director
Holding Value $348k 18,634 shares
Last Trade
Jun 03, 2024 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$290k 6,864 shares
$42.25
$18.70
Amphastar Pharmaceuticals
Amphastar Pharmaceuticals AMPH
Director
Holding Value $291k 15,558 shares
Last Trade
Jun 05, 2023 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$323k 7,016 shares
$46.01
$18.70
Amphastar Pharmaceuticals
Amphastar Pharmaceuticals AMPH
Director
Holding Value $240k 12,842 shares
Last Trade
Jul 18, 2022 Sale (Open Market)Shares sold on the open market or in a private sale.
$56.6k 1,520 shares
$37.23
$18.70
Amphastar Pharmaceuticals
Amphastar Pharmaceuticals AMPH
Director
Holding Value $25k 1,336 shares
Last Trade
Jul 18, 2022 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$55.8k 1,520 shares
$36.70
$18.70
Amphastar Pharmaceuticals
Amphastar Pharmaceuticals AMPH
Director
Holding Value $240k 12,842 shares
Last Trade
Jul 11, 2022 Sale (Open Market)Shares sold on the open market or in a private sale.
$55.2k 1,521 shares
$36.26
$18.70
Amphastar Pharmaceuticals
Amphastar Pharmaceuticals AMPH
Director
Holding Value $269k 14,363 shares
Last Trade
Jul 11, 2022 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$55.7k 1,521 shares
$36.63
$18.70
Amphastar Pharmaceuticals
Amphastar Pharmaceuticals AMPH
Director
Holding Value $81.8k 4,377 shares
Last Trade
Jul 05, 2022 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$62.8k 1,813 shares
$34.66
$18.70
Amphastar Pharmaceuticals
Amphastar Pharmaceuticals AMPH
Director
Holding Value $240k 12,842 shares
Last Trade
Jul 05, 2022 Sale (Open Market)Shares sold on the open market or in a private sale.
$63.5k 1,813 shares
$35.00
$18.70
Amphastar Pharmaceuticals
Amphastar Pharmaceuticals AMPH
Director
Holding Value $240k 12,842 shares
Last Trade
Jun 30, 2022 Sale (Open Market)Shares sold on the open market or in a private sale.
$180k 5,146 shares
$35.00
$18.70
Amphastar Pharmaceuticals
Amphastar Pharmaceuticals AMPH
Director
Holding Value $67.8k 3,626 shares
Last Trade
Jun 30, 2022 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$116k 3,333 shares
$34.79
$18.70
Amphastar Pharmaceuticals
Amphastar Pharmaceuticals AMPH
Director
Holding Value $240k 12,842 shares
Last Trade
Jun 10, 2022 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$125k 4,163 shares
$30.02
$18.70
Amphastar Pharmaceuticals
Amphastar Pharmaceuticals AMPH
Director
Holding Value $162k 8,679 shares
Last Trade
Jun 07, 2021 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$168k 8,592 shares
$19.52
$18.70
Amphastar Pharmaceuticals
Amphastar Pharmaceuticals AMPH
Director
Holding Value $150k 8,003 shares
Last Trade
Jun 08, 2020 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$219k 10,928 shares
$20.08
$18.70
Amphastar Pharmaceuticals
Amphastar Pharmaceuticals AMPH
Director
Holding Value $130k 6,959 shares
Last Trade
Jun 12, 2019 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$194k 9,704 shares
$20.03
$18.70
Amphastar Pharmaceuticals
Amphastar Pharmaceuticals AMPH
Evp, QA & Regulatory Affairs
Holding Value $564k 30,164 shares
Last Trade
Dec 19, 2017 Sale (Open Market)Shares sold on the open market or in a private sale.
$10.2k 523 shares
$19.48
$18.70
Amphastar Pharmaceuticals
Amphastar Pharmaceuticals AMPH
Evp, QA & Regulatory Affairs
Holding Value $574k 30,687 shares
Last Trade
Dec 12, 2017 Sale (Open Market)Shares sold on the open market or in a private sale.
$9.92k 523 shares
$18.96
$18.70
Amphastar Pharmaceuticals
Amphastar Pharmaceuticals AMPH
Evp, QA & Regulatory Affairs
Holding Value $584k 31,210 shares
Last Trade
Nov 28, 2017 Sale (Open Market)Shares sold on the open market or in a private sale.
$9.49k 523 shares
$18.15
$18.70
Amphastar Pharmaceuticals
Amphastar Pharmaceuticals AMPH
Evp, QA & Regulatory Affairs
Holding Value $593k 31,733 shares
Last Trade
Nov 21, 2017 Sale (Open Market)Shares sold on the open market or in a private sale.
$9.84k 523 shares
$18.81
$18.70
Amphastar Pharmaceuticals
Amphastar Pharmaceuticals AMPH
Evp, QA & Regulatory Affairs
Holding Value $603k 32,256 shares
Last Trade
Nov 15, 2017 Sale (Open Market)Shares sold on the open market or in a private sale.
$9.29k 523 shares
$17.77
$18.70

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