Charles Schwab’s Amphastar Pharmaceuticals AMPH Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$6.29M Sell
321,039
-29,668
-8% -$726K ﹤0.01% 2307
2025
Q4
$9.39M Sell
350,707
-5,702
-2% -$147K ﹤0.01% 2173
2025
Q3
$9.5M Buy
356,409
+9,625
+3% +$249K ﹤0.01% 2143
2025
Q2
$7.96M Buy
346,784
+20,558
+6% +$510K ﹤0.01% 2123
2025
Q1
$9.46M Sell
326,226
-21,286
-6% -$680K ﹤0.01% 1977
2024
Q4
$12.9M Sell
347,512
-2,544
-0.7% -$116K ﹤0.01% 1900
2024
Q3
$17M Sell
350,056
-9,166
-3% -$402K ﹤0.01% 1781
2024
Q2
$14.4M Buy
359,222
+2,817
+0.8% +$117K ﹤0.01% 1860
2024
Q1
$15.6M Sell
356,405
-23,075
-6% -$1.19M ﹤0.01% 1750
2023
Q4
$23.5M Buy
379,480
+27,102
+8% +$1.42M 0.01% 1491
2023
Q3
$16.2M Buy
352,378
+24,116
+7% +$1.32M ﹤0.01% 1627
2023
Q2
$18.9M Sell
328,262
-1,651
-0.5% -$73.2K 0.01% 1543
2023
Q1
$12.4M Buy
329,913
+3,125
+1% +$102K ﹤0.01% 1767
2022
Q4
$9.16M Buy
326,788
+19,495
+6% +$566K ﹤0.01% 1910
2022
Q3
$8.63M Sell
307,293
-7,500
-2% -$245K ﹤0.01% 1934
2022
Q2
$11M Buy
314,793
+46,395
+17% +$1.66M ﹤0.01% 1794
2022
Q1
$9.64M Buy
268,398
+7,463
+3% +$212K ﹤0.01% 1976
2021
Q4
$6.08M Buy
260,935
+8,168
+3% +$167K ﹤0.01% 2253
2021
Q3
$4.8M Sell
252,767
-620
-0.2% -$12.1K ﹤0.01% 2399
2021
Q2
$5.11M Buy
253,387
+5,488
+2% +$103K ﹤0.01% 2346
2021
Q1
$4.54M Buy
247,899
+5,751
+2% +$107K ﹤0.01% 2347
2020
Q4
$4.87M Buy
242,148
+5,016
+2% +$97.6K ﹤0.01% 2235
2020
Q3
$4.45M Buy
237,132
+9,031
+4% +$182K ﹤0.01% 2118
2020
Q2
$5.12M Buy
228,101
+8,009
+4% +$147K ﹤0.01% 2017
2020
Q1
$3.27M Buy
220,092
+3,983
+2% +$69.3K ﹤0.01% 2050
2019
Q4
$4.17M Buy
216,109
+3,904
+2% +$74.9K ﹤0.01% 2114
2019
Q3
$4.21M Buy
212,205
+27
+0% +$562 ﹤0.01% 2054
2019
Q2
$4.48M Buy
212,178
+22,618
+12% +$473K ﹤0.01% 2029
2019
Q1
$3.87M Sell
189,560
-3,096
-2% -$69.4K ﹤0.01% 2101
2018
Q4
$3.83M Sell
192,656
-2,276
-1% -$44.9K ﹤0.01% 2038
2018
Q3
$3.75M Buy
194,932
+557
+0.3% +$9.93K ﹤0.01% 2194
2018
Q2
$2.97M Buy
194,375
+11,626
+6% +$203K ﹤0.01% 2250
2018
Q1
$3.43M Sell
182,749
-3,592
-2% -$67.5K ﹤0.01% 2124
2017
Q4
$3.59M Sell
186,341
-1,559
-0.8% -$29.1K ﹤0.01% 2079
2017
Q3
$3.36M Sell
187,900
-30,180
-14% -$496K ﹤0.01% 2079
2017
Q2
$3.9M Buy
218,080
+14,646
+7% +$232K ﹤0.01% 1945
2017
Q1
$2.95M Buy
203,434
+37,625
+23% +$592K ﹤0.01% 2034
2016
Q4
$3.06M Buy
165,809
+7,903
+5% +$154K ﹤0.01% 1989
2016
Q3
$3M Buy
157,906
+85,013
+117% +$1.54M ﹤0.01% 1928
2016
Q2
$1.18M Buy
72,893
+19,767
+37% +$279K ﹤0.01% 2296
2016
Q1
$638K Hold
53,126
﹤0.01% 2486
2015
Q4
$756K Buy
53,126
+10,200
+24% +$135K ﹤0.01% 2485
2015
Q3
$502K Hold
42,926
﹤0.01% 2626
2015
Q2
$755K Buy
42,926
+30,226
+238% +$471K ﹤0.01% 2530
2015
Q1
$190K Hold
12,700
﹤0.01% 2960
2014
Q4
$148K Buy
+12,700
New +$138K ﹤0.01% 3029

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