Zhou Rong

Number of records: 50
SEC FilingCompany/StockTrade DateTransactionSharesAvg. PriceTotal% HoldingsGain/Loss
19-Mar-24 5:15 PM
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Amphastar Pharmaceuticals, ... (AMPH) 17-Mar-24Payment of Exercise 1,961$43.05$84,421.00(< 1%)
344.62K to 342.66K
19-Mar-24 5:15 PM
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Amphastar Pharmaceuticals, ... (AMPH) 16-Mar-24Payment of Exercise 2,355$43.05$101,383.00(< 1%)
346.98K to 344.62K
19-Mar-24 5:15 PM
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Amphastar Pharmaceuticals, ... (AMPH) 15-Mar-24Payment of Exercise 1,219$43.05$52,477.90(< 1%)
348.2K to 346.98K
08-Mar-24 4:47 PM
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Amphastar Pharmaceuticals, ... (AMPH) 06-Mar-24Payment of Exercise 1,390$46.31$64,370.90(< 1%)
229.61K to 228.22K
06-Mar-24 10:00 PM
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Amphastar Pharmaceuticals, ... (AMPH) 04-Mar-24Grant 12,521----6%
217.09K to 229.61K
05-Dec-23 6:25 PM
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Amphastar Pharmaceuticals, ... (AMPH) 04-Dec-23Option Exercise 3,514$16.19$56,891.702%
217.09K to 220.6K
05-Dec-23 6:25 PM
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Amphastar Pharmaceuticals, ... (AMPH) 04-Dec-23Option Sale 3,514$59.58$209,364.00(2%)
220.6K to 217.09K
05-Dec-23 6:25 PM
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Amphastar Pharmaceuticals, ... (AMPH) 01-Dec-23Option Exercise 4,316$14.40$62,150.402%
217.09K to 221.4K
05-Dec-23 6:25 PM
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Amphastar Pharmaceuticals, ... (AMPH) 01-Dec-23Option Sale 4,316$58.58$252,831.00(2%)
221.4K to 217.09K
21-Jun-23 5:05 PM
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Amphastar Pharmaceuticals, ... (AMPH) 20-Jun-23Option Exercise 9,651$11.33$109,346.005%
207.36K to 217.01K
20-Jun-23 4:05 PM
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Amphastar Pharmaceuticals, ... (AMPH) 15-Jun-23Option Exercise 19,377$14.64$283,672.0010%
192.98K to 212.36K
20-Jun-23 4:05 PM
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Amphastar Pharmaceuticals, ... (AMPH) 15-Jun-23Option Sale 5,000$51.79$258,946.00(2%)
212.36K to 207.36K
14-Jun-23 5:36 PM
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Amphastar Pharmaceuticals, ... (AMPH) 13-Jun-23Option Exercise 5,000$14.40$72,000.003%
192.98K to 197.98K
14-Jun-23 5:36 PM
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Amphastar Pharmaceuticals, ... (AMPH) 13-Jun-23Option Sale 5,000$48.24$241,200.00(3%)
197.98K to 192.98K
19-May-23 6:36 PM
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Amphastar Pharmaceuticals, ... (AMPH) 18-May-23Option Exercise 10,000$14.40$144,000.005%
192.27K to 202.27K
19-May-23 6:36 PM
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Amphastar Pharmaceuticals, ... (AMPH) 18-May-23Option Sale 10,000$44.21$442,050.00(5%)
202.27K to 192.27K
20-Mar-23 8:04 PM
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Amphastar Pharmaceuticals, ... (AMPH) 17-Mar-23Payment of Exercise 1,901$36.29$68,987.30(< 1%)
194.17K to 192.27K
20-Mar-23 8:04 PM
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Amphastar Pharmaceuticals, ... (AMPH) 16-Mar-23Payment of Exercise 2,283$37.60$85,840.80(1%)
196.45K to 194.17K
17-Mar-23 7:04 PM
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Amphastar Pharmaceuticals, ... (AMPH) 15-Mar-23Payment of Exercise 2,057$36.84$75,779.90(1%)
198.51K to 196.45K
08-Mar-23 4:06 PM
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Amphastar Pharmaceuticals, ... (AMPH) 06-Mar-23Grant 15,129----8%
183.38K to 198.51K
18-Mar-22 7:01 PM
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Amphastar Pharmaceuticals, ... (AMPH) 17-Mar-22Payment of Exercise 2,447$34.18$83,638.50(1%)
184.7K to 182.25K
18-Mar-22 7:01 PM
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Amphastar Pharmaceuticals, ... (AMPH) 16-Mar-22Payment of Exercise 2,283$34.22$78,124.30(1%)
186.98K to 184.7K
17-Mar-22 5:07 PM
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Amphastar Pharmaceuticals, ... (AMPH) 15-Mar-22Grant 13,658----8%
174.97K to 188.63K
17-Mar-22 5:07 PM
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Amphastar Pharmaceuticals, ... (AMPH) 15-Mar-22Payment of Exercise 1,652$34.74$57,390.50(< 1%)
188.63K to 186.98K
01-Mar-22 10:00 PM
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Amphastar Pharmaceuticals, ... (AMPH) 25-Feb-22Option Exercise 7,000$10.93$76,510.004%
181.22K to 188.22K
01-Mar-22 10:00 PM
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Amphastar Pharmaceuticals, ... (AMPH) 25-Feb-22Planned Option Sale 7,000$28.77$201,390.00(4%)
188.22K to 181.22K
01-Mar-22 10:00 PM
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Amphastar Pharmaceuticals, ... (AMPH) 25-Feb-22Sale (Planned) 6,246$28.77$179,697.00(3%)
181.22K to 174.97K
09-Feb-22 9:07 PM
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Amphastar Pharmaceuticals, ... (AMPH) 08-Feb-22Option Exercise 7,000$10.93$76,510.004%
181.22K to 188.22K
09-Feb-22 9:07 PM
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Amphastar Pharmaceuticals, ... (AMPH) 08-Feb-22Planned Option Sale 7,000$26.77$187,390.00(4%)
188.22K to 181.22K
11-Jan-22 8:28 PM
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Amphastar Pharmaceuticals, ... (AMPH) 10-Jan-22Option Exercise 14,000$10.93$153,020.007%
188.15K to 202.15K
11-Jan-22 8:28 PM
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Amphastar Pharmaceuticals, ... (AMPH) 10-Jan-22Market Option Sale (Planned) 14,000$25.36$355,006.00(7%)
202.15K to 188.15K
11-Jan-22 8:28 PM
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Amphastar Pharmaceuticals, ... (AMPH) 10-Jan-22Market Sale (Planned) 6,928$25.36$175,677.00(4%)
188.15K to 181.22K
12-Nov-21 7:44 PM
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Amphastar Pharmaceuticals, ... (AMPH) 11-Nov-21Option Exercise 7,813$10.48$81,880.204%
187.79K to 195.6K
12-Nov-21 7:44 PM
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Amphastar Pharmaceuticals, ... (AMPH) 11-Nov-21Market Option Sale (Planned) 7,813$21.67$169,308.00(4%)
195.6K to 187.79K
04-Aug-21 4:05 PM
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Amphastar Pharmaceuticals, ... (AMPH) 02-Aug-21Option Exercise 6,000$10.48$62,880.003%
190.91K to 196.91K
04-Aug-21 4:05 PM
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Amphastar Pharmaceuticals, ... (AMPH) 02-Aug-21Market Option Sale (Planned) 6,000$21.24$127,415.00(3%)
196.91K to 190.91K
04-Aug-21 4:05 PM
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Amphastar Pharmaceuticals, ... (AMPH) 02-Aug-21Market Sale (Planned) 3,123$21.24$66,319.40(2%)
190.91K to 187.79K
27-Jul-21 6:46 PM
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Amphastar Pharmaceuticals, ... (AMPH) 26-Jul-21Option Exercise 6,000$10.48$62,880.003%
190.91K to 196.91K
27-Jul-21 6:46 PM
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Amphastar Pharmaceuticals, ... (AMPH) 26-Jul-21Market Option Sale (Planned) 6,000$20.87$125,220.00(3%)
196.91K to 190.91K
22-Jul-21 4:13 PM
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Amphastar Pharmaceuticals, ... (AMPH) 20-Jul-21Option Exercise 5,187$10.48$54,359.803%
190.91K to 196.1K
22-Jul-21 4:13 PM
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Amphastar Pharmaceuticals, ... (AMPH) 20-Jul-21Market Option Sale (Planned) 5,187$20.57$106,697.00(3%)
196.1K to 190.91K
10-Jun-21 4:45 PM
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Amphastar Pharmaceuticals, ... (AMPH) 09-Jun-21Market Sale 4,732$19.58$92,652.60(2%)
195.64K to 190.91K
10-Jun-21 4:45 PM
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Amphastar Pharmaceuticals, ... (AMPH) 08-Jun-21Option Exercise 8,180$14.23$116,401.004%
195.64K to 203.82K
10-Jun-21 4:45 PM
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Amphastar Pharmaceuticals, ... (AMPH) 08-Jun-21Market Option Sale 8,180$19.34$158,177.00(4%)
203.82K to 195.64K
17-May-21 7:38 PM
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Amphastar Pharmaceuticals, ... (AMPH) 14-May-21Option Exercise 11,120$14.23$158,238.006%
200.93K to 212.05K
17-May-21 7:38 PM
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Amphastar Pharmaceuticals, ... (AMPH) 14-May-21Market Option Sale 11,120$19.72$219,262.00(5%)
212.05K to 200.93K
17-May-21 7:38 PM
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Amphastar Pharmaceuticals, ... (AMPH) 14-May-21Market Sale 6,299$19.72$124,202.00(3%)
200.93K to 194.63K
17-May-21 7:38 PM
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Amphastar Pharmaceuticals, ... (AMPH) 13-May-21Option Exercise 700$14.23$9,961.00< 1%
200.93K to 201.63K
17-May-21 7:38 PM
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Amphastar Pharmaceuticals, ... (AMPH) 13-May-21Market Option Sale 700$19.58$13,706.00(< 1%)
201.63K to 200.93K
18-Mar-21 8:52 PM
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Amphastar Pharmaceuticals, ... (AMPH) 17-Mar-21Grant 21,984----12%
178.95K to 200.93K