Rong Zhou Insider Trading Transactions
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General | Insider Transactions | Monthly Overview
Get the latest insider transactions of Rong Zhou. Rong Zhou is EVP, Production in Amphastar Pharmaceuticals, Inc. ($AMPH) and EVP, Production Center in Amphastar Pharmaceuticals, Inc. ($AMPH).
Latest Insider Trading Transactions of Rong Zhou
| 1 Week | 2 Weeks | 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | |
|---|---|---|---|---|---|---|---|
| No. of Purchases | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Value of Purchases ($) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| No. of Sales | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Value of Sales ($) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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| Date | Ticker | Company | Owner | Relationship | Transaction | Code | Cost ($) | Shares | Transaction Value ($) | Total Shares | % Holdings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 18 2021 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Option Exercise | A | 17.99 | 51,621 | 928,662 | 51,621 | |
| Mar 18 2021 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Grant | A | 0.00 | 21,984 | 0 | 96,265 | 74.3 K to 96.3 K (+29.60 %) |
| Mar 18 2021 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Payment of Exercise | F | 18.44 | 3,303 | 60,907 | 74,281 | 77.6 K to 74.3 K (-4.26 %) |
| Mar 17 2021 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Payment of Exercise | F | 19.15 | 1,652 | 31,636 | 77,584 | 79.2 K to 77.6 K (-2.08 %) |
| Mar 18 2020 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Option Exercise | A | 13.03 | 61,822 | 805,541 | 61,822 | |
| Mar 18 2020 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Payment of Exercise | F | 14.50 | 992 | 14,384 | 80,891 | 81.9 K to 80.9 K (-1.21 %) |
| Mar 18 2020 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Grant | A | 0.00 | 26,400 | 0 | 81,883 | 55.5 K to 81.9 K (+47.58 %) |
| Mar 18 2020 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Payment of Exercise | F | 13.03 | 1,020 | 13,291 | 55,483 | 56.5 K to 55.5 K (-1.81 %) |
| Mar 17 2020 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Payment of Exercise | F | 14.19 | 1,653 | 23,456 | 56,503 | 58.2 K to 56.5 K (-2.84 %) |
| Jun 17 2019 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Payment of Exercise | F | 19.82 | 204 | 4,043 | 58,156 | 58.4 K to 58.2 K (-0.35 %) |
| May 07 2019 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Option Exercise | M | 20.26 | 9,600 | 194,496 | 0 | |
| May 07 2019 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Sell | S | 22.76 | 9,600 | 218,496 | 57,107 | 66.7 K to 57.1 K (-14.39 %) |
| May 07 2019 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Buy | M | 20.26 | 9,600 | 194,496 | 66,707 | 57.1 K to 66.7 K (+16.81 %) |
| Mar 28 2019 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Payment of Exercise | F | 20.54 | 814 | 16,720 | 57,107 | 57.9 K to 57.1 K (-1.41 %) |
| Mar 18 2019 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Option Exercise | A | 20.23 | 22,541 | 456,004 | 22,541 | |
| Mar 18 2019 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Payment of Exercise | F | 20.23 | 1,510 | 30,547 | 57,921 | 59.4 K to 57.9 K (-2.54 %) |
| Mar 18 2019 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Payment of Exercise | F | 20.23 | 1,553 | 31,417 | 59,431 | 61 K to 59.4 K (-2.55 %) |
| Mar 18 2019 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Payment of Exercise | F | 20.23 | 1,179 | 23,851 | 60,984 | 62.2 K to 61 K (-1.90 %) |
| Mar 18 2019 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Grant | A | 0.00 | 10,133 | 0 | 62,163 | 52 K to 62.2 K (+19.48 %) |
| Mar 04 2019 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Option Exercise | M | 20.26 | 3,200 | 64,832 | 6,400 | |
| Mar 04 2019 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Sell | S | 25.00 | 3,200 | 80,000 | 52,030 | 55.2 K to 52 K (-5.79 %) |
| Mar 04 2019 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Buy | M | 20.26 | 3,200 | 64,832 | 55,230 | 52 K to 55.2 K (+6.15 %) |
| Feb 07 2019 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Option Exercise | M | 20.26 | 3,200 | 64,832 | 12,800 | |
| Feb 07 2019 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Sell | S | 23.00 | 4,289 | 98,647 | 52,030 | 56.3 K to 52 K (-7.62 %) |
| Feb 07 2019 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Buy | M | 20.26 | 3,200 | 64,832 | 56,319 | 53.1 K to 56.3 K (+6.02 %) |
| Dec 06 2018 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Sell | S | 22.00 | 1,089 | 23,958 | 53,119 | 54.2 K to 53.1 K (-2.01 %) |
| Nov 13 2018 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Sell | S | 21.00 | 1,089 | 22,869 | 53,303 | 54.4 K to 53.3 K (-2.00 %) |
| Nov 13 2018 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Sell | S | 20.00 | 1,084 | 21,680 | 54,392 | 55.5 K to 54.4 K (-1.95 %) |
| Jun 18 2018 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Payment of Exercise | F | 16.88 | 134 | 2,262 | 55,476 | 55.6 K to 55.5 K (-0.24 %) |
| Mar 28 2018 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Payment of Exercise | F | 18.61 | 535 | 9,956 | 54,434 | 55 K to 54.4 K (-0.97 %) |
| Mar 20 2018 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Payment of Exercise | F | 19.91 | 969 | 19,293 | 54,969 | 55.9 K to 55 K (-1.73 %) |
| Mar 20 2018 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Payment of Exercise | F | 19.91 | 1,128 | 22,458 | 55,938 | 57.1 K to 55.9 K (-1.98 %) |
| Mar 16 2018 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Option Exercise | A | 19.79 | 20,827 | 412,166 | 20,827 | |
| Mar 16 2018 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Grant | A | 0.00 | 8,969 | 0 | 57,066 | 48.1 K to 57.1 K (+18.65 %) |
| Jun 16 2017 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Payment of Exercise | F | 16.18 | 146 | 2,362 | 48,096 | 48.2 K to 48.1 K (-0.30 %) |
| Mar 28 2017 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Payment of Exercise | F | 13.76 | 568 | 7,816 | 46,972 | 47.5 K to 47 K (-1.19 %) |
| Mar 20 2017 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Option Exercise | A | 13.35 | 29,424 | 392,810 | 29,424 | |
| Mar 20 2017 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Payment of Exercise | F | 13.75 | 1,248 | 17,160 | 47,540 | 48.8 K to 47.5 K (-2.56 %) |
| Mar 20 2017 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Grant | A | 0.00 | 11,797 | 0 | 48,788 | 37 K to 48.8 K (+31.89 %) |
| Dec 07 2016 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Sell | S | 20.70 | 61 | 1,262 | 36,991 | 37.1 K to 37 K (-0.16 %) |
| Mar 29 2016 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production | Payment of Exercise | F | 11.96 | 568 | 6,793 | 37,137 | 37.7 K to 37.1 K (-1.51 %) |
| Mar 21 2016 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production | Option Exercise | A | 11.33 | 34,438 | 390,183 | 34,438 | |
| Mar 21 2016 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production | Grant | A | 0.00 | 11,473 | 0 | 37,705 | 26.2 K to 37.7 K (+43.74 %) |
| Dec 17 2015 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production | Sell | S | 14.29 | 772 | 11,032 | 25,460 | 26.2 K to 25.5 K (-2.94 %) |
| Jun 19 2015 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production | Sell | S | 16.48 | 1,000 | 16,480 | 26,232 | 27.2 K to 26.2 K (-3.67 %) |
| Jun 17 2015 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production | Option Exercise | A | 16.19 | 4,685 | 75,850 | 4,685 | |
| Jun 17 2015 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production | Grant | A | 0.00 | 1,544 | 0 | 27,232 | 25.7 K to 27.2 K (+6.01 %) |
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