Floyd F. Petersen

AMPH

Floyd F. Petersen serves as Director at Amphastar Pharmaceuticals, Inc. (AMPH). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

43 trades

$2.49M

Net Position

Net Seller

$2.49M

Companies Traded

AMPH

Active Period

Jun 2021 – Dec 2025

43 total trades

Most Recent

Sell AMPH

Dec 11, 2025 · $107.5K

Floyd F. Petersen's Insider Trading at Amphastar Pharmaceuticals, Inc. (AMPH)

Buys

0 · $0.00

Sells

43 · $2.49M

Total Shares Bought

Total Shares Sold

85,879

AMPH Price Chart

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Date	Type	Shares	Avg Price	Value
Dec 11, 2025	Sell	4,163	$25.82	$107.5K
Nov 13, 2025	Sell	16,679	$26.49	$441.8K
Nov 3, 2025	Sell	500	$25.27	$12.6K
Oct 1, 2025	Sell	500	$27.20	$13.6K
Sep 2, 2025	Sell	500	$30.98	$15.5K
Aug 1, 2025	Sell	500	$20.83	$10.4K
Jul 2, 2025	Sell	500	$23.47	$11.7K
Jun 2, 2025	Sell	500	$25.67	$12.8K
May 1, 2025	Sell	500	$24.08	$12.0K
Apr 1, 2025	Sell	500	$28.38	$14.2K
Mar 6, 2025	Sell	1,000	$27.99	$28.0K
Sep 5, 2024	Sell	3,000	$46.47	$139.4K
Jun 10, 2024	Sell	3,000	$41.40	$124.2K
Jun 3, 2024	Sell	500	$42.65	$21.3K
May 1, 2024	Sell	500	$41.67	$20.8K
Apr 1, 2024	Sell	500	$43.43	$21.7K
Mar 1, 2024	Sell	500	$45.69	$22.8K
Feb 1, 2024	Sell	500	$53.10	$26.5K
Jan 2, 2024	Sell	500	$61.37	$30.7K
Dec 1, 2023	Sell	500	$57.90	$29.0K
Nov 1, 2023	Sell	500	$45.30	$22.7K
Oct 2, 2023	Sell	500	$45.78	$22.9K
May 17, 2023	Sell	5,000	$43.13	$215.7K
Apr 3, 2023	Sell	491	$37.72	$18.5K
Mar 1, 2023	Sell	500	$36.70	$18.3K
Feb 1, 2023	Sell	500	$30.35	$15.2K
Jan 3, 2023	Sell	500	$27.94	$14.0K
Dec 1, 2022	Sell	500	$30.14	$15.1K
Nov 1, 2022	Sell	500	$31.13	$15.6K
Oct 3, 2022	Sell	500	$28.59	$14.3K
Sep 1, 2022	Sell	500	$29.44	$14.7K
Aug 1, 2022	Sell	500	$37.48	$18.7K
Jul 1, 2022	Sell	500	$34.78	$17.4K
Jun 1, 2022	Sell	500	$37.00	$18.5K
May 18, 2022	Sell	9,924	$35.05	$347.8K
May 2, 2022	Sell	295	$35.18	$10.4K
Apr 1, 2022	Sell	500	$36.69	$18.3K
Mar 1, 2022	Sell	500	$27.27	$13.6K
Feb 1, 2022	Sell	500	$24.08	$12.0K
Jan 3, 2022	Sell	500	$23.22	$11.6K
Dec 22, 2021	Sell	1,000	$22.50	$22.5K
Jun 7, 2021	Sell	15,827	$19.34	$306.0K
Jun 3, 2021	Sell	10,000	$18.65	$186.5K

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