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Rong Zhou Insider Profile

4 Followers
Rong Zhou, SENIOR EVP, PRODUCTION CENTER at Amphastar Pharmaceuticals, holds 241.59K shares in Amphastar Pharmaceuticals (Ticker: AMPH).
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Rong Zhou

Rong Zhou
Amphastar Pharmaceuticals (AMPH)
SENIOR EVP, PRODUCTION CENTER

Ranked #13,232 out of 106,131 Corporate Insiders

Profitable Transactions

85%
11 out of 13 Profitable Transactions

Average Return

+11.00%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark

Insider Holdings

$5M
100.00%
A breakdown of Rong Zhou's holdings

Insider Roles

Amphastar Pharmaceuticals
(AMPH)
SENIOR EVP, PRODUCTION CENTER
Roles that Rong Zhou holds in companies

Most Profitable Insider Trade

Stock:
Amphastar Pharmaceuticals
(AMPH)
Rating:Informative Sell
Date:Sep 17, 2024 - Sep 17, 2025
Return:+44.50%
The most profitable trade made by Rong Zhou

Rong Zhou's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
Amphastar Pharmaceuticals
Mar 06, 2026
SENIOR EVP, PRODUCTION CENTER
Uninformative Sell
22.44K
$4.67M
Success Rate for
AMPH
11 out of 13 profitable transactions on
AMPH
85%
Average Return for
AMPH
Average return per transaction on
AMPH
+11.08%
Date
Transaction
Amount
No. of Shares
Price per Share
Profit
Link to Report
Jun 17, 2015
Uninformative Buy
$0.00
1,544
$0.00
Jun 17, 2015
Uninformative Buy
130,356
$17.00
Mar 21, 2016
Uninformative Buy
$0.00
11,473
$0.00
Mar 20, 2017
Uninformative Buy
$0.00
11,797
$0.00
Mar 16, 2018
Uninformative Buy
$0.00
8,969
$0.00
List of latest transactions for each holding click on a transaction to see Rong Zhou's performance on stock

Rong Zhou insider profile FAQ

What is the percentage of profitable transactions made by Rong Zhou?
The percentage of profitable transactions made by Rong Zhou is 85%.
    What is the average return per transaction made by Rong Zhou?
    The average return per transaction made by Rong Zhou is 11.00%.
      What stocks does Rong Zhou hold?
      Rong Zhou holds: AMPH stocks.
        What was Rong Zhou’s latest transaction?
        Rong Zhou latest transaction was an Uninformative Sell of $22.44K.
          What was Rong Zhou's most profitable transaction?
          Rong Zhou’s most profitable transaction was an Informative Sell of AMPH stock on September 17, 2024. The return on the trade was 44.50%.
            What is Rong Zhou's role in Amphastar Pharmaceuticals?
            Rong Zhou's role in Amphastar Pharmaceuticals is SENIOR EVP, PRODUCTION CENTER.
              How can I follow the stock ratings of top corporate insiders?
              Head over to our Expert Center to see a list of the Top 100 corporate insiders and follow the corporate insiders of your choice. Visit their profiles for more details about their stock transactions and see how they perform on a stock-by-stock basis.