Latest Insider Transactions at Amphastar Pharmaceuticals, Inc. (AMPH)
This section provides a real-time view of insider transactions for Amphastar Pharmaceuticals, Inc. (AMPH). The data is sourced from Form 4 filings with the SEC, which are filed by insiders of Amphastar Pharmaceuticals, Inc. to disclose their transactions in the company's securities. By reviewing this information, investors can gain insights into the trading activity of Amphastar Pharmaceuticals, Inc.'s insiders and make more informed investment decisions.
Insider Transaction List
Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
---|---|---|---|---|---|
Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
Feb 25
2022
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
23,000
-9.35%
|
$644,000
$28.45 P/Share
|
Feb 25
2022
|
William J Peters CFO, EVP & TREASURER |
BUY
Exercise of conversion of derivative security
|
Direct |
23,000
+15.13%
|
$322,000
$14.95 P/Share
|
Feb 25
2022
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Open market or private sale
|
Direct |
13,246
-15.85%
|
$370,888
$28.77 P/Share
|
Feb 25
2022
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
BUY
Exercise of conversion of derivative security
|
Direct |
7,000
+7.73%
|
$70,000
$10.93 P/Share
|
Feb 08
2022
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
10,000
-8.62%
|
$260,000
$26.95 P/Share
|
Feb 08
2022
|
William J Peters CFO, EVP & TREASURER |
BUY
Exercise of conversion of derivative security
|
Direct |
10,000
+7.93%
|
$140,000
$14.95 P/Share
|
Feb 08
2022
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Open market or private sale
|
Direct |
7,000
-8.38%
|
$182,000
$26.77 P/Share
|
Feb 08
2022
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
BUY
Exercise of conversion of derivative security
|
Direct |
7,000
+7.73%
|
$70,000
$10.93 P/Share
|
Feb 01
2022
|
Floyd F. Petersen |
SELL
Open market or private sale
|
Direct |
500
-0.32%
|
$11,500
$23.81 P/Share
|
Jan 10
2022
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Open market or private sale
|
Direct |
20,928
-11.38%
|
$523,200
$25.37 P/Share
|
Jan 10
2022
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
BUY
Exercise of conversion of derivative security
|
Direct |
14,000
+12.56%
|
$140,000
$10.93 P/Share
|
Jan 10
2022
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
16,000
-13.11%
|
$400,000
$25.4 P/Share
|
Jan 10
2022
|
William J Peters CFO, EVP & TREASURER |
BUY
Exercise of conversion of derivative security
|
Direct |
16,000
+11.59%
|
$224,000
$14.4 P/Share
|
Jan 07
2022
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
31,776
-12.25%
|
$762,624
$24.53 P/Share
|
Jan 07
2022
|
William J Peters CFO, EVP & TREASURER |
BUY
Exercise of conversion of derivative security
|
Direct |
31,776
+18.74%
|
$444,864
$14.4 P/Share
|
Jan 03
2022
|
Floyd F. Petersen |
SELL
Open market or private sale
|
Direct |
500
-0.64%
|
$11,500
$23.22 P/Share
|
Dec 30
2021
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
10,000
-8.62%
|
$230,000
$23.4 P/Share
|
Dec 30
2021
|
William J Peters CFO, EVP & TREASURER |
BUY
Exercise of conversion of derivative security
|
Direct |
10,000
+7.93%
|
$140,000
$14.4 P/Share
|
Dec 22
2021
|
Floyd F. Petersen |
SELL
Open market or private sale
|
Direct |
1,000
-1.26%
|
$22,000
$22.5 P/Share
|
Dec 21
2021
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
8,256
-7.22%
|
$181,632
$22.4 P/Share
|
Dec 21
2021
|
William J Peters CFO, EVP & TREASURER |
BUY
Exercise of conversion of derivative security
|
Direct |
8,256
+6.74%
|
$115,584
$14.4 P/Share
|
Dec 16
2021
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
1,744
-1.62%
|
$38,368
$22.4 P/Share
|
Dec 16
2021
|
William J Peters CFO, EVP & TREASURER |
BUY
Exercise of conversion of derivative security
|
Direct |
1,744
+1.59%
|
$24,416
$14.4 P/Share
|
Dec 10
2021
|
Richard K Prins |
SELL
Open market or private sale
|
Direct |
5,291
-10.48%
|
$111,111
$21.36 P/Share
|
Dec 10
2021
|
Richard K Prins |
BUY
Exercise of conversion of derivative security
|
Direct |
5,291
+9.49%
|
$89,947
$17.11 P/Share
|
Nov 22
2021
|
Richard K Prins |
SELL
Open market or private sale
|
Direct |
5,000
-9.96%
|
$105,000
$21.22 P/Share
|
Nov 22
2021
|
Richard K Prins |
BUY
Exercise of conversion of derivative security
|
Direct |
5,000
+9.06%
|
$85,000
$17.11 P/Share
|
Nov 11
2021
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
10,000
-8.64%
|
$210,000
$21.33 P/Share
|
Nov 11
2021
|
William J Peters CFO, EVP & TREASURER |
BUY
Exercise of conversion of derivative security
|
Direct |
10,000
+7.96%
|
$110,000
$11.33 P/Share
|
Nov 11
2021
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Open market or private sale
|
Direct |
7,813
-8.59%
|
$164,073
$21.67 P/Share
|
Nov 11
2021
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
BUY
Exercise of conversion of derivative security
|
Direct |
7,813
+7.91%
|
$78,130
$10.48 P/Share
|
Aug 16
2021
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
6,589
-5.87%
|
$125,191
$19.35 P/Share
|
Aug 02
2021
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Open market or private sale
|
Direct |
9,123
-9.89%
|
$191,583
$21.24 P/Share
|
Aug 02
2021
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
BUY
Exercise of conversion of derivative security
|
Direct |
6,000
+6.11%
|
$60,000
$10.48 P/Share
|
Aug 02
2021
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
SELL
Open market or private sale
|
Direct |
8,932
-14.18%
|
$187,572
$21.14 P/Share
|
Aug 02
2021
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
BUY
Exercise of conversion of derivative security
|
Direct |
8,932
+12.42%
|
$125,048
$14.95 P/Share
|
Jul 26
2021
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Open market or private sale
|
Direct |
6,000
-6.5%
|
$120,000
$20.87 P/Share
|
Jul 26
2021
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
BUY
Exercise of conversion of derivative security
|
Direct |
6,000
+6.11%
|
$60,000
$10.48 P/Share
|
Jul 20
2021
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Open market or private sale
|
Direct |
5,187
-5.67%
|
$103,740
$20.57 P/Share
|
Jul 20
2021
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
BUY
Exercise of conversion of derivative security
|
Direct |
5,187
+5.37%
|
$51,870
$10.48 P/Share
|
Jul 15
2021
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
SELL
Open market or private sale
|
Direct |
31,524
-36.83%
|
$630,480
$20.01 P/Share
|
Jul 15
2021
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
BUY
Exercise of conversion of derivative security
|
Direct |
31,026
+15.64%
|
$403,338
$13.19 P/Share
|
Jul 07
2021
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
10,000
-8.18%
|
$200,000
$20.37 P/Share
|
Jul 07
2021
|
William J Peters CFO, EVP & TREASURER |
BUY
Exercise of conversion of derivative security
|
Direct |
10,000
+7.56%
|
$110,000
$11.33 P/Share
|
Jun 14
2021
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
128
-0.23%
|
$2,432
$19.68 P/Share
|
Jun 12
2021
|
Howard Lee |
SELL
Payment of exercise price or tax liability
|
Direct |
157
-0.11%
|
$2,983
$19.92 P/Share
|
Jun 09
2021
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Open market or private sale
|
Direct |
4,732
-5.2%
|
$89,908
$19.58 P/Share
|
Jun 08
2021
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Open market or private sale
|
Direct |
8,180
-8.25%
|
$155,420
$19.34 P/Share
|
Jun 08
2021
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
BUY
Exercise of conversion of derivative security
|
Direct |
8,180
+7.62%
|
$114,520
$14.23 P/Share
|
Jun 08
2021
|
Howard Lee |
SELL
Open market or private sale
|
Direct |
8,000
-5.44%
|
$152,000
$19.31 P/Share
|