Floyd F. Petersen

Insider Reports History

Location
Rancho Cucamonga, CA
Signature
/s/ Eva Wen, by power of attorney
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Floyd F. Petersen:

Company Role Class Num Shares Value Price $ Report Date Ownership
Amphastar Pharmaceuticals, Inc. Director Common Stock 71,368 $1,850,044 $25.92 12 Dec 2025 Direct
Amphastar Pharmaceuticals, Inc. Director Stock Option (right to buy) 0 13 Nov 2025 Direct

Insider Reports Filed by Floyd F. Petersen

Symbol Company Period Transactions Value $ Form Type Role Filing Time
AMPH Amphastar Pharmaceuticals, Inc. 11 Dec 2025 2 -$107,508 4 Director 15 Dec 2025, 17:17
AMPH Amphastar Pharmaceuticals, Inc. 13 Nov 2025 3 -$163,464 4 Director 17 Nov 2025, 16:16
AMPH Amphastar Pharmaceuticals, Inc. 03 Nov 2025 1 -$12,633 4 Director 05 Nov 2025, 16:20
AMPH Amphastar Pharmaceuticals, Inc. 01 Oct 2025 1 -$13,602 4 Director 02 Oct 2025, 17:04
AMPH Amphastar Pharmaceuticals, Inc. 02 Sep 2025 1 -$15,492 4 Director 03 Sep 2025, 16:20
AMPH Amphastar Pharmaceuticals, Inc. 01 Aug 2025 1 -$10,416 4 Director 04 Aug 2025, 19:17
AMPH Amphastar Pharmaceuticals, Inc. 02 Jul 2025 1 -$11,734 4 Director 03 Jul 2025, 17:30
AMPH Amphastar Pharmaceuticals, Inc. 02 Jun 2025 3 -$12,835 4 Director 04 Jun 2025, 18:39
AMPH Amphastar Pharmaceuticals, Inc. 01 May 2025 1 -$12,041 4 Director 02 May 2025, 20:27
AMPH Amphastar Pharmaceuticals, Inc. 01 Apr 2025 1 -$14,190 4 Director 02 Apr 2025, 18:45
AMPH Amphastar Pharmaceuticals, Inc. 06 Mar 2025 1 -$27,986 4 Director 07 Mar 2025, 16:01
AMPH Amphastar Pharmaceuticals, Inc. 05 Sep 2024 1 -$139,417 4 Director 06 Sep 2024, 19:48
AMPH Amphastar Pharmaceuticals, Inc. 10 Jun 2024 1 -$124,200 4 Director 11 Jun 2024, 18:32
AMPH Amphastar Pharmaceuticals, Inc. 03 Jun 2024 3 -$21,326 4 Director 05 Jun 2024, 18:54
AMPH Amphastar Pharmaceuticals, Inc. 01 May 2024 1 -$20,837 4 Director 02 May 2024, 16:56
AMPH Amphastar Pharmaceuticals, Inc. 01 Apr 2024 1 -$21,714 4 Director 02 Apr 2024, 21:31
AMPH Amphastar Pharmaceuticals, Inc. 01 Mar 2024 2 -$22,847 4 Director 04 Mar 2024, 20:35
AMPH Amphastar Pharmaceuticals, Inc. 01 Feb 2024 2 -$26,548 4 Director 02 Feb 2024, 19:37
AMPH Amphastar Pharmaceuticals, Inc. 02 Jan 2024 2 -$30,683 4 Director 03 Jan 2024, 19:25
AMPH Amphastar Pharmaceuticals, Inc. 01 Dec 2023 2 -$28,952 4 Director 04 Dec 2023, 20:49
AMPH Amphastar Pharmaceuticals, Inc. 01 Nov 2023 1 -$22,651 4 Director 02 Nov 2023, 20:37
AMPH Amphastar Pharmaceuticals, Inc. 02 Oct 2023 1 -$22,890 4 Director 03 Oct 2023, 18:38
AMPH Amphastar Pharmaceuticals, Inc. 05 Jun 2023 2 $0 4 Director 07 Jun 2023, 20:12
AMPH Amphastar Pharmaceuticals, Inc. 17 May 2023 1 -$215,655 4 Director 18 May 2023, 16:52
AMPH Amphastar Pharmaceuticals, Inc. 03 Apr 2023 1 -$18,519 4 Director 04 Apr 2023, 19:12
AMPH Amphastar Pharmaceuticals, Inc. 01 Mar 2023 3 -$18,349 4 Director 02 Mar 2023, 18:33
AMPH Amphastar Pharmaceuticals, Inc. 01 Feb 2023 1 -$15,176 4 Director 02 Feb 2023, 15:44
AMPH Amphastar Pharmaceuticals, Inc. 03 Jan 2023 1 -$13,971 4 Director 04 Jan 2023, 15:01
AMPH Amphastar Pharmaceuticals, Inc. 01 Dec 2022 1 -$15,067 4 Director 02 Dec 2022, 15:24
AMPH Amphastar Pharmaceuticals, Inc. 01 Nov 2022 1 -$15,565 4 Director 02 Nov 2022, 16:01
AMPH Amphastar Pharmaceuticals, Inc. 03 Oct 2022 1 -$14,296 4 Director 04 Oct 2022, 19:12
AMPH Amphastar Pharmaceuticals, Inc. 01 Sep 2022 1 -$14,722 4 Director 02 Sep 2022, 19:45
AMPH Amphastar Pharmaceuticals, Inc. 01 Aug 2022 1 -$18,738 4 Director 02 Aug 2022, 17:02
AMPH Amphastar Pharmaceuticals, Inc. 01 Jul 2022 1 -$17,391 4 Director 05 Jul 2022, 17:05
AMPH Amphastar Pharmaceuticals, Inc. 10 Jun 2022 2 $0 4 Director 14 Jun 2022, 17:29
AMPH Amphastar Pharmaceuticals, Inc. 01 Jun 2022 2 -$18,499 4 Director 02 Jun 2022, 17:14
AMPH Amphastar Pharmaceuticals, Inc. 18 May 2022 3 -$647 4 Director 19 May 2022, 17:58
AMPH Amphastar Pharmaceuticals, Inc. 02 May 2022 2 -$10,378 4 Director 03 May 2022, 20:15
AMPH Amphastar Pharmaceuticals, Inc. 01 Apr 2022 2 -$18,345 4 Director 04 Apr 2022, 20:20
AMPH Amphastar Pharmaceuticals, Inc. 01 Mar 2022 1 -$13,635 4 Director 01 Mar 2022, 17:54
AMPH Amphastar Pharmaceuticals, Inc. 01 Feb 2022 2 -$12,041 4 Director 02 Feb 2022, 15:05
AMPH Amphastar Pharmaceuticals, Inc. 03 Jan 2022 1 -$11,609 4 Director 04 Jan 2022, 15:54
AMPH Amphastar Pharmaceuticals, Inc. 22 Dec 2021 1 -$22,503 4 Director 23 Dec 2021, 15:27
AMPH Amphastar Pharmaceuticals, Inc. 07 Jun 2021 5 -$46,001 4 Director 08 Jun 2021, 20:58
AMPH Amphastar Pharmaceuticals, Inc. 03 Jun 2021 3 -$22,227 4 Director 04 Jun 2021, 19:35