Howard Lee

Insider Reports History

Location
Taipei, Taiwan, China
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 Howard Lee:

Company Role Class Num Shares Value Price $ Report Date Ownership
Amphastar Pharmaceuticals, Inc. Director Common Stock 151,976 $3,952,895 $26.01 03 Jun 2025 Direct
Amphastar Pharmaceuticals, Inc. Director Stock Option (right to buy) 11,402 02 Jun 2025 Direct

Insider Reports Filed by Howard Lee

Symbol Company Period Transactions Value $ Form Type Role Filing Time
AMPH Amphastar Pharmaceuticals, Inc. 02 Jun 2025 3 -$24,007 4 Director 04 Jun 2025, 20:04
AMPH Amphastar Pharmaceuticals, Inc. 03 Jun 2024 3 -$24,341 4 Director 05 Jun 2024, 20:10
AMPH Amphastar Pharmaceuticals, Inc. 10 Jun 2023 1 -$17,126 4 Director 12 Jun 2023, 16:05
AMPH Amphastar Pharmaceuticals, Inc. 05 Jun 2023 2 $0 4 Director 07 Jun 2023, 17:19
AMPH Amphastar Pharmaceuticals, Inc. 01 Jun 2023 3 -$472,587 4 Director 05 Jun 2023, 16:18
AMPH Amphastar Pharmaceuticals, Inc. 10 Jun 2022 2 $0 4 Director 14 Jun 2022, 17:28
AMPH Amphastar Pharmaceuticals, Inc. 06 Jun 2022 3 -$212,779 4 Director 07 Jun 2022, 19:36
AMPH Amphastar Pharmaceuticals, Inc. 23 May 2022 3 -$178,223 4 Director 25 May 2022, 20:21
AMPH Amphastar Pharmaceuticals, Inc. 12 Jun 2021 1 -$3,127 4 Director 14 Jun 2021, 16:06
AMPH Amphastar Pharmaceuticals, Inc. 07 Jun 2021 8 -$45,411 4 Director 08 Jun 2021, 20:56
AMPH Amphastar Pharmaceuticals, Inc. 20 May 2021 3 -$33,054 4 Director 24 May 2021, 16:45