Donald W DeGolyer Insider Profile
11 Followers
Donald W DeGolyer, Director at Emergent Biosolutions, holds 129.72K shares in Emergent Biosolutions (Ticker: EBS), holds 5.74K shares in Endo International (Ticker: ENDPQ), holds ― shares in Tyme Technologies (Ticker: TYME).
Donald W DeGolyer Emergent Biosolutions (EBS)Director
Emergent Biosolutions (EBS)
Director
Ranked #44,142 out of 109,193 Corporate Insiders
Profitable Transactions
1 out of 2 Profitable Transactions
Average Return
+19.90%
Average return per transaction
Time Frame
Compare to
Insider Holdings
100.00%
A breakdown of Donald W DeGolyer's holdings
Insider Roles
Director
Roles that Donald W DeGolyer holds in companies
Most Profitable Insider Trade
Stock:
Rating:Informative Sell
Date:Aug 13, 2025 - Aug 13, 2026
Return:+48.90%
The most profitable trade made by Donald W DeGolyer
Donald W DeGolyer's Trading History
Emergent Biosolutions
May 04, 2026
Director
Uninformative Buy
―
$897.67K
Endo International
Aug 05, 2014
―
Uninformative Sell
303.66K
$68.92
Tyme Technologies
―
―
―
―
List of latest transactions for each holding click on a transaction to see Donald W DeGolyer's performance on stock
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Donald W DeGolyer insider profile FAQ
What is the percentage of profitable transactions made by Donald W DeGolyer?
The percentage of profitable transactions made by Donald W DeGolyer is 50%.
What is the average return per transaction made by Donald W DeGolyer?
The average return per transaction made by Donald W DeGolyer is 19.90%.
What stocks does Donald W DeGolyer hold?
Donald W DeGolyer holds: EBS, ENDPQ, TYME stocks.
What was Donald W DeGolyer’s latest transaction?
Donald W DeGolyer latest transaction was an Uninformative Buy of ―.
What was Donald W DeGolyer's most profitable transaction?
Donald W DeGolyer’s most profitable transaction was an Informative Sell of EBS stock on August 13, 2025. The return on the trade was 48.90%.
What is Donald W DeGolyer's role in Emergent Biosolutions?
Donald W DeGolyer's role in Emergent Biosolutions is Director.
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