Howard Lee's Insider Trades & SAST Disclosures

Howard Lee's most recent trade in Amphastar Pharmaceuticals Inc was a trade of 11,402 Stock Option (right to buy) done . Disclosure was reported to the exchange on June 2, 2025.

Stock Client Name Client Category Action Reported to Exchange Quantity Post Transaction Holding Traded % Avg. Price Value Security Type
Amphastar Pharmaceuticals Inc
Howard Lee Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 02 Jun 2025 11,402 11,402 - - Stock Option (right to buy)
Amphastar Pharmaceuticals Inc
Howard Lee Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 02 Jun 2025 5,122 152,899 (0%) 0% 0 Common Stock
Amphastar Pharmaceuticals Inc
Howard Lee Director Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.01 per share. 02 Jun 2025 923 151,976 (0%) 0% 26.0 24,007 Common Stock
Amphastar Pharmaceuticals Inc
Howard Lee Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 03 Jun 2024 6,864 6,864 - - Stock Option (right to buy)
Amphastar Pharmaceuticals Inc
Howard Lee Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 03 Jun 2024 3,076 148,356 (0%) 0% 0 Common Stock
Amphastar Pharmaceuticals Inc
Howard Lee Director Payment of exercise price or tax liability using portion of securities received from the company at price $ 42.04 per share. 03 Jun 2024 579 147,777 (0%) 0% 42.0 24,341 Common Stock
Amphastar Pharmaceuticals Inc
Howard Lee Director Payment of exercise price or tax liability using portion of securities received from the company at price $ 45.67 per share. 10 Jun 2023 375 145,280 (0%) 0% 45.7 17,126 Common Stock
Amphastar Pharmaceuticals Inc
Howard Lee Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 05 Jun 2023 7,016 7,016 - - Stock Option (right to buy)
Amphastar Pharmaceuticals Inc
Howard Lee Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 05 Jun 2023 2,716 145,655 (0%) 0% 0 Common Stock
Amphastar Pharmaceuticals Inc
Howard Lee Director Sale of securities on an exchange or to another person at price $ 45.02 per share. 01 Jun 2023 16,679 142,939 (0%) 0% 45.0 750,960 Common Stock
Amphastar Pharmaceuticals Inc
Howard Lee Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 01 Jun 2023 16,679 0 - - Stock Option (right to buy)
Amphastar Pharmaceuticals Inc
Howard Lee Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 16.69 per share. 01 Jun 2023 16,679 159,618 (0%) 0% 16.7 278,373 Common Stock
Amphastar Pharmaceuticals Inc
Howard Lee Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 10 Jun 2022 10,984 10,984 - - Stock Option (right to buy)
Amphastar Pharmaceuticals Inc
Howard Lee Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 10 Jun 2022 4,163 142,939 (0%) 0% 0 Common Stock
Amphastar Pharmaceuticals Inc
Howard Lee Director Sale of securities on an exchange or to another person at price $ 37.79 per share. 06 Jun 2022 10,291 138,776 (0%) 0% 37.8 388,859 Common Stock
Amphastar Pharmaceuticals Inc
Howard Lee Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 06 Jun 2022 10,291 0 - - Stock Option (right to buy)
Amphastar Pharmaceuticals Inc
Howard Lee Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 17.11 per share. 06 Jun 2022 10,291 149,067 (0%) 0% 17.1 176,079 Common Stock
Amphastar Pharmaceuticals Inc
Howard Lee Director Sale of securities on an exchange or to another person at price $ 34.93 per share. 23 May 2022 10,000 138,776 (0%) 0% 34.9 349,323 Common Stock
Amphastar Pharmaceuticals Inc
Howard Lee Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 23 May 2022 10,000 10,291 - - Stock Option (right to buy)
Amphastar Pharmaceuticals Inc
Howard Lee Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 17.11 per share. 23 May 2022 10,000 148,776 (0%) 0% 17.1 171,100 Common Stock
Amphastar Pharmaceuticals Inc
Howard Lee Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 07 Jun 2021 17,182 17,182 - - Stock Option (right to buy)
Amphastar Pharmaceuticals Inc
Howard Lee Director Sale of securities on an exchange or to another person at price $ 19.31 per share. 07 Jun 2021 8,000 138,933 (0%) 0% 19.3 154,508 Common Stock
Amphastar Pharmaceuticals Inc
Howard Lee Director Sale or transfer of securities back to the company at price $ 0.00 per share. 07 Jun 2021 8,000 0 - - Stock Option (right to buy)
Amphastar Pharmaceuticals Inc
Howard Lee Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 16.43 per share. 07 Jun 2021 8,000 146,933 (0%) 0% 16.4 131,440 Common Stock
Amphastar Pharmaceuticals Inc
Howard Lee Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 16.43 per share. 07 Jun 2021 7,827 140,741 (0%) 0% 16.4 128,598 Common Stock
Amphastar Pharmaceuticals Inc
Howard Lee Director Sale of securities on an exchange or to another person at price $ 19.28 per share. 07 Jun 2021 7,827 132,914 (0%) 0% 19.3 150,941 Common Stock
Amphastar Pharmaceuticals Inc
Howard Lee Director Sale or transfer of securities back to the company at price $ 0.00 per share. 07 Jun 2021 7,827 8,000 - - Stock Option (right to buy)
Amphastar Pharmaceuticals Inc
Howard Lee Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 07 Jun 2021 6,019 138,933 (0%) 0% 0 Common Stock
Amphastar Pharmaceuticals Inc
Howard Lee Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 16.43 per share. 20 May 2021 10,000 142,914 (0%) 0% 16.4 164,300 Common Stock
Amphastar Pharmaceuticals Inc
Howard Lee Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 20 May 2021 10,000 15,827 - - Stock Option (right to buy)
Amphastar Pharmaceuticals Inc
Howard Lee Director Sale of securities on an exchange or to another person at price $ 19.74 per share. 20 May 2021 10,000 132,914 (0%) 0% 19.7 197,354 Common Stock
*All Values are in $ Million
Client Category: Promoter/ KMP/ Director / Immediate Relatives / Employee / etc  
Security Type: Share/ Warrants / Convertible Debentures
Data as reported to USA Exchanges
View All The Insider Trades