Gerst Diane G.

Number of records: 47
SEC FilingCompany/StockTrade DateTransactionSharesAvg. PriceTotal% HoldingsGain/Loss
05-Jun-24 7:03 PM
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Amphastar Pharmaceuticals, ... (AMPH) 03-Jun-24Grant 3,076----20%
15.56K to 18.63K
07-Jun-23 6:24 PM
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Amphastar Pharmaceuticals, ... (AMPH) 05-Jun-23Grant 2,716----21%
12.84K to 15.56K
19-Jul-22 5:19 PM
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Amphastar Pharmaceuticals, ... (AMPH) 18-Jul-22Option Exercise 1,520$20.08$30,521.6012%
12.84K to 14.36K
19-Jul-22 5:19 PM
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Amphastar Pharmaceuticals, ... (AMPH) 18-Jul-22Planned Option Sale 1,520$37.23$56,596.60(11%)
14.36K to 12.84K
12-Jul-22 7:38 PM
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Amphastar Pharmaceuticals, ... (AMPH) 11-Jul-22Option Exercise 1,521$20.08$30,541.7012%
12.84K to 14.36K
12-Jul-22 7:38 PM
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Amphastar Pharmaceuticals, ... (AMPH) 11-Jul-22Planned Option Sale 1,521$36.26$55,144.90(11%)
14.36K to 12.84K
06-Jul-22 8:52 PM
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Amphastar Pharmaceuticals, ... (AMPH) 05-Jul-22Option Exercise 1,813$20.08$36,405.0014%
12.84K to 14.65K
06-Jul-22 8:52 PM
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Amphastar Pharmaceuticals, ... (AMPH) 05-Jul-22Planned Option Sale 1,813$35.00$63,460.30(12%)
14.65K to 12.84K
05-Jul-22 4:06 PM
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Amphastar Pharmaceuticals, ... (AMPH) 30-Jun-22Option Exercise 5,146$20.05$103,165.0040%
12.84K to 17.99K
05-Jul-22 4:06 PM
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Amphastar Pharmaceuticals, ... (AMPH) 30-Jun-22Planned Option Sale 5,146$35.00$180,110.00(29%)
17.99K to 12.84K
14-Jun-22 5:26 PM
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Amphastar Pharmaceuticals, ... (AMPH) 10-Jun-22Grant 4,163----48%
8.68K to 12.84K
08-Jun-21 8:52 PM
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Amphastar Pharmaceuticals, ... (AMPH) 07-Jun-21Grant 3,009----53%
5.67K to 8.68K
09-Jun-20 8:19 PM
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Amphastar Pharmaceuticals, ... (AMPH) 08-Jun-20Grant 2,925----107%
2.75K to 5.67K
13-Jun-19 7:54 PM
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Amphastar Pharmaceuticals, ... (AMPH) 12-Jun-19Grant 2,745----100%
0 to 2.75K
19-Dec-17 6:28 PM
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Amphastar Pharmaceuticals, ... (AMPH) 19-Dec-17Market Sale (Planned) 523$19.48$10,185.60(2%)
30.69K to 30.16K
(3%)
14-Dec-17 8:02 PM
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Amphastar Pharmaceuticals, ... (AMPH) 12-Dec-17Market Sale (Planned) 523$18.96$9,916.92(2%)
31.21K to 30.69K
(6%)
30-Nov-17 7:37 PM
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Amphastar Pharmaceuticals, ... (AMPH) 28-Nov-17Market Sale (Planned) 523$18.15$9,492.76(2%)
31.73K to 31.21K
(10%)
21-Nov-17 5:21 PM
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Amphastar Pharmaceuticals, ... (AMPH) 21-Nov-17Market Sale (Planned) 523$18.81$9,839.25(2%)
32.26K to 31.73K
(7%)
17-Nov-17 8:01 PM
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Amphastar Pharmaceuticals, ... (AMPH) 15-Nov-17Market Sale (Planned) 523$17.77$9,291.57(2%)
32.78K to 32.26K
(13%)
09-Nov-17 9:00 PM
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Amphastar Pharmaceuticals, ... (AMPH) 07-Nov-17Market Sale (Planned) 523$17.93$9,375.30(2%)
33.3K to 32.78K
(12%)
26-Oct-17 6:20 PM
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Amphastar Pharmaceuticals, ... (AMPH) 24-Oct-17Market Sale (Planned) 523$18.29$9,567.60(2%)
33.83K to 33.3K
(10%)
19-Oct-17 8:00 PM
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Amphastar Pharmaceuticals, ... (AMPH) 17-Oct-17Market Sale (Planned) 523$18.48$9,664.88(2%)
34.35K to 33.83K
(8%)
06-Oct-17 5:54 PM
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Amphastar Pharmaceuticals, ... (AMPH) 05-Oct-17Option Exercise 8,444$11.33$95,670.5025%
34.35K to 42.79K
06-Oct-17 5:54 PM
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Amphastar Pharmaceuticals, ... (AMPH) 05-Oct-17Market Option Sale (Planned) 8,444$18.87$159,376.00(20%)
42.79K to 34.35K
(6%)
16-Jun-17 7:13 PM
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Amphastar Pharmaceuticals, ... (AMPH) 15-Jun-17Payment of Exercise 146$16.18$2,362.28(< 1%)
34.49K to 34.35K
(24%)
17-Apr-17 7:06 PM
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Amphastar Pharmaceuticals, ... (AMPH) 14-Apr-17Payment of Exercise 754$14.80$11,159.20(2%)
35.25K to 34.49K
(35%)
28-Mar-17 8:13 PM
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Amphastar Pharmaceuticals, ... (AMPH) 26-Mar-17Payment of Exercise 614$13.76$8,448.64(2%)
35.86K to 35.25K
(46%)
20-Mar-17 9:03 PM
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Amphastar Pharmaceuticals, ... (AMPH) 17-Mar-17Payment of Exercise 1,194$13.75$16,417.50(3%)
37.06K to 35.86K
(46%)
20-Mar-17 9:03 PM
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Amphastar Pharmaceuticals, ... (AMPH) 16-Mar-17Grant 10,861----41%
26.2K to 37.06K
16-Dec-16 7:01 PM
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Amphastar Pharmaceuticals, ... (AMPH) 15-Dec-16Market Sale 2,940$20.51$60,286.80(10%)
29.14K to 26.2K
4%
19-Aug-16 10:00 PM
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Amphastar Pharmaceuticals, ... (AMPH) 19-Aug-16Option Exercise 24,046$12.31$295,975.0083%
28.98K to 53.03K
19-Aug-16 10:00 PM
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Amphastar Pharmaceuticals, ... (AMPH) 19-Aug-16Market Option Sale (Planned) 24,046$19.28$463,607.00(45%)
53.03K to 28.98K
2%
17-Jun-16 6:40 PM
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Amphastar Pharmaceuticals, ... (AMPH) 15-Jun-16Payment of Exercise 146$15.76$2,300.96(< 1%)
29.13K to 28.98K
(20%)
19-May-16 5:45 PM
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Amphastar Pharmaceuticals, ... (AMPH) 18-May-16Market Sale 1,427$13.97$19,939.30(5%)
30.08K to 28.65K
(35%)
20-Apr-16 4:52 PM
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Amphastar Pharmaceuticals, ... (AMPH) 19-Apr-16Option Exercise 5,607$10.48$58,761.4019%
30.08K to 35.68K
20-Apr-16 4:52 PM
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Amphastar Pharmaceuticals, ... (AMPH) 19-Apr-16Market Option Sale (Planned) 4,180$13.04$54,514.30(12%)
35.68K to 31.5K
(45%)
20-Apr-16 4:52 PM
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Amphastar Pharmaceuticals, ... (AMPH) 19-Apr-16Market Sale (Planned) 1,427$13.04$18,610.50(5%)
31.5K to 30.08K
(45%)
20-Apr-16 4:52 PM
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Amphastar Pharmaceuticals, ... (AMPH) 18-Apr-16Option Exercise 14,210$10.87$154,501.0045%
31.5K to 45.71K
20-Apr-16 4:52 PM
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Amphastar Pharmaceuticals, ... (AMPH) 18-Apr-16Market Option Sale (Planned) 15,637$12.83$200,649.00(34%)
45.71K to 30.08K
(47%)
18-Apr-16 4:30 PM
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Amphastar Pharmaceuticals, ... (AMPH) 14-Apr-16Payment of Exercise 741$12.66$9,381.06(2%)
32.24K to 31.5K
(49%)
29-Mar-16 7:31 PM
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Amphastar Pharmaceuticals, ... (AMPH) 26-Mar-16Payment of Exercise 614$11.96$7,343.44(2%)
32.86K to 32.24K
(58%)
21-Mar-16 8:12 PM
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Amphastar Pharmaceuticals, ... (AMPH) 17-Mar-16Grant 11,253----52%
21.61K to 32.86K
17-Jun-15 6:08 PM
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Amphastar Pharmaceuticals, ... (AMPH) 15-Jun-15Grant 1,544----8%
18.63K to 20.18K
17-Jun-15 6:08 PM
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Amphastar Pharmaceuticals, ... (AMPH) 14-Apr-15Payment of Exercise 862$15.22$13,119.60(4%)
19.5K to 18.63K
(24%)
10-Apr-15 7:31 PM
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Amphastar Pharmaceuticals, ... (AMPH) 08-Apr-15Option Exercise 10,000$14.80$148,000.0051%
19.5K to 29.5K
28%
10-Apr-15 7:31 PM
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Amphastar Pharmaceuticals, ... (AMPH) 08-Apr-15Market Option Sale (Planned) 10,000$15.79$157,900.00(34%)
29.5K to 19.5K
(20%)
30-Mar-15 6:06 AM
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Amphastar Pharmaceuticals, ... (AMPH) 26-Mar-15Grant 6,688----52%
12.81K to 19.5K