| Date Filed | Type | Description |
| 06/07/2023 |
4
| Gerst Diane G. (Director) has filed a Form 4 on Amphastar Pharmaceuticals, Inc.|
Txns:
| Granted 2,716 shares
@ $0
Granted 7,016 options to buy
@ $46.01, valued at
$322.8k
|
|
| 07/19/2022 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 07/12/2022 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 07/06/2022 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 07/05/2022 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 06/14/2022 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 06/08/2021 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 06/09/2020 |
4
| Gerst Diane G. (Director) has filed a Form 4 on Amphastar Pharmaceuticals, Inc.|
Txns:
| Granted 2,925 shares
@ $0
Granted 8,003 options to buy
@ $20.08, valued at
$160.7k
|
|
| 06/13/2019 |
4
| Gerst Diane G. (Director) has filed a Form 4 on Amphastar Pharmaceuticals, Inc.|
Txns:
| Granted 2,745 shares
@ $0
Granted 6,959 options to buy
@ $20.03, valued at
$139.4k
|
|
| 06/13/2019 |
3
| Gerst Diane G. (Director) has filed a Form 3 on Amphastar Pharmaceuticals, Inc. |
| 12/19/2017 |
4
| Gerst Diane G. (EVP, QA & Regulatory Affairs) has filed a Form 4 on Amphastar Pharmaceuticals, Inc.|
Txns:
| Sold 523 shares
@ $19.4754, valued at
$10.2k
|
|
| 12/14/2017 |
4
| Gerst Diane G. (EVP, QA & Regulatory Affairs) has filed a Form 4 on Amphastar Pharmaceuticals, Inc.|
Txns:
| Sold 523 shares
@ $18.9616, valued at
$9.9k
|
|
| 11/30/2017 |
4
| Gerst Diane G. (EVP, QA & Regulatory Affairs) has filed a Form 4 on Amphastar Pharmaceuticals, Inc.|
Txns:
| Sold 523 shares
@ $18.1506, valued at
$9.5k
|
|
| 11/21/2017 |
4
| Gerst Diane G. (EVP, QA & Regulatory Affairs) has filed a Form 4 on Amphastar Pharmaceuticals, Inc.|
Txns:
| Sold 523 shares
@ $18.8131, valued at
$9.8k
|
|
| 11/17/2017 |
4
| Gerst Diane G. (EVP, QA & Regulatory Affairs) has filed a Form 4 on Amphastar Pharmaceuticals, Inc.|
Txns:
| Sold 523 shares
@ $17.7659, valued at
$9.3k
|
|
| 11/09/2017 |
4
| Gerst Diane G. (EVP, QA & Regulatory Affairs) has filed a Form 4 on Amphastar Pharmaceuticals, Inc.|
Txns:
| Sold 523 shares
@ $17.926, valued at
$9.4k
|
|
| 10/26/2017 |
4
| Gerst Diane G. (EVP, QA & Regulatory Affairs) has filed a Form 4 on Amphastar Pharmaceuticals, Inc.|
Txns:
| Sold 523 shares
@ $18.2937, valued at
$9.6k
|
|
| 10/19/2017 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 10/06/2017 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 06/16/2017 |
4
| Gerst Diane G. (EVP, QA & Regulatory Affairs) has filed a Form 4 on Amphastar Pharmaceuticals, Inc.|
Txns:
| Paid exercise price by delivering 146 shares
@ $16.18, valued at
$2.4k
|
|
| 04/17/2017 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 03/28/2017 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 03/20/2017 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 12/16/2016 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 08/19/2016 |
4
| Gerst Diane G. (EVP, QA & Regulatory Affairs) has filed a Form 4 on Amphastar Pharmaceuticals, Inc.|
Txns:
| Sold 24,046 shares
@ $19.28, valued at
$463.6k
Exercised 10,046 options to buy
@ $14.23, valued at
$143k
Exercised 14,000 options to buy
@ $10.93, valued at
$153k
|
|
| 06/17/2016 |
4
| Gerst Diane G. (EVP, QA & Regulatory Affairs) has filed a Form 4 on Amphastar Pharmaceuticals, Inc.|
Txns:
| Paid exercise price by delivering 146 shares
@ $15.76, valued at
$2.3k
|
|
| 05/19/2016 |
4
| Gerst Diane G. (EVP, QA & Regulatory Affairs) has filed a Form 4 on Amphastar Pharmaceuticals, Inc.|
Txns:
| Sold 1,427 shares
@ $13.9729, valued at
$19.9k
|
|
| 04/20/2016 |
4
| Gerst Diane G. (EVP, QA & Regulatory Affairs) has filed a Form 4 on Amphastar Pharmaceuticals, Inc.|
Txns:
| Sold 15,637 shares
@ $12.8317, valued at
$200.6k
Sold 5,607 shares
@ $13.0417, valued at
$73.1k
Exercised 6,000 options to buy
@ $11.41, valued at
$68.5k
Exercised 8,210 options to buy
@ $10.48, valued at
$86k
Exercised 5,607 options to buy
@ $10.48, valued at
$58.8k
|
|
| 04/18/2016 |
4
| Gerst Diane G. (EVP, QA & Regulatory Affairs) has filed a Form 4 on Amphastar Pharmaceuticals, Inc.|
Txns:
| Paid exercise price by delivering 741 shares
@ $12.66, valued at
$9.4k
|
|
| 03/29/2016 |
4
| Gerst Diane G. (EVP, QA & Regulatory Affairs) has filed a Form 4 on Amphastar Pharmaceuticals, Inc.|
Txns:
| Paid exercise price by delivering 614 shares
@ $11.96, valued at
$7.3k
|
|
| 03/21/2016 |
4
| Gerst Diane G. (EVP, QA & Regulatory Affairs) has filed a Form 4 on Amphastar Pharmaceuticals, Inc.|
Txns:
| Granted 11,253 shares
@ $0
Granted 33,774 options to buy
@ $11.33, valued at
$382.7k
|
|