Zhou Rong Insider Trading Activity

Average Profitability
<0.0001%
Insider Buys Quantity
0
Insider Buys Sum
$0
Insider Sells Quantity
33
Insider Sells Sum
$6.92M

Insider Activity of Zhou Rong

According to the SEC Form 4 filings, Zhou Rong, being in a position of

  1. SENIOR EVP, PRODUCTION CENTER at Amphastar Pharmaceuticals, Inc.,
    оver the last 12 months, has bought 0 shares, and sold 22974 shares for $571,089,
    over all time since 2015-06-17, has bought 0 shares, and sold 273433 shares for $7.5M.

Biography of Zhou Rong

No biography is available at this moment.

Statistics of Insider Transactions Last Year

Amount of Insider Buys and Sells by Stocks

Buys
 $000
Sells
 $571,0893100

Comparison of Insiders on Amount of Buys and Sells

2026-09-16SaleAmphastar Pharmaceuticals, Inc.
AMPH
SENIOR EVP, PRODUCTION CENTER
10,000
0.0227%
$23.94$239,404+8.52%
2026-09-02SaleAmphastar Pharmaceuticals, Inc.
AMPH
SENIOR EVP, PRODUCTION CENTER
3,187
0.0072%
$23.63$75,306+8.72%
2025-12-17SaleAmphastar Pharmaceuticals, Inc.
AMPH
SENIOR EVP, PRODUCTION CENTER
9,787
0.0214%
$26.20$256,379-16.84%
2024-12-13SaleAmphastar Pharmaceuticals, Inc.
AMPH
SENIOR EVP, PRODUCTION CENTER
8,000
0.018%
$45.23$361,840-37.22%
2024-12-12SaleAmphastar Pharmaceuticals, Inc.
AMPH
SENIOR EVP, PRODUCTION CENTER
7,000
0.0145%
$44.42$310,975-40.34%
2024-11-12SaleAmphastar Pharmaceuticals, Inc.
AMPH
SENIOR EVP, PRODUCTION CENTER
6,893
0.0147%
$48.88$336,930-43.42%
2024-09-13SaleAmphastar Pharmaceuticals, Inc.
AMPH
SENIOR EVP, PRODUCTION CENTER
3,000
0.0062%
$48.26$144,785-37.97%
2024-08-26SaleAmphastar Pharmaceuticals, Inc.
AMPH
SENIOR EVP, PRODUCTION CENTER
4,000
0.0083%
$48.35$193,400-35.86%
2023-12-04SaleAmphastar Pharmaceuticals, Inc.
AMPH
Senior EVP, Production Center
3,514
0.0073%
$59.58$209,364-24.32%
2023-12-01SaleAmphastar Pharmaceuticals, Inc.
AMPH
Senior EVP, Production Center
4,316
0.0091%
$58.58$252,831-21.62%
2023-06-15SaleAmphastar Pharmaceuticals, Inc.
AMPH
EVP, Production Center
5,000
0.0103%
$51.79$258,947+0.34%
2023-06-13SaleAmphastar Pharmaceuticals, Inc.
AMPH
EVP, Production Center
5,000
0.0107%
$48.24$241,200+11.21%
2023-05-18SaleAmphastar Pharmaceuticals, Inc.
AMPH
EVP, Production Center
10,000
0.021%
$44.20$442,050+19.55%
2022-02-25SaleAmphastar Pharmaceuticals, Inc.
AMPH
EVP, Production Center
13,246
0.0275%
$28.77$381,087+8.34%
2022-02-08SaleAmphastar Pharmaceuticals, Inc.
AMPH
EVP, Production Center
7,000
0.0147%
$26.77$187,390+15.96%
2022-01-10SaleAmphastar Pharmaceuticals, Inc.
AMPH
EVP, Production Center
20,928
0.0427%
$25.36$530,684+16.96%
2021-11-11SaleAmphastar Pharmaceuticals, Inc.
AMPH
EVP, Production Center
7,813
0.0167%
$21.67$169,308+42.33%
2021-08-02SaleAmphastar Pharmaceuticals, Inc.
AMPH
EVP, Production Center
9,123
0.019%
$21.24$193,734+19.61%
2021-07-26SaleAmphastar Pharmaceuticals, Inc.
AMPH
EVP, Production Center
6,000
0.0126%
$20.87$125,220+21.17%
2021-07-20SaleAmphastar Pharmaceuticals, Inc.
AMPH
EVP, Production Center
5,187
0.011%
$20.57$106,697+23.56%
Total: 36
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