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John L. Green Insider Profile
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John L. Green, Principal Accounting Officer at Merrimack Pharmaceuticals, holds ― shares in Merrimack Pharmaceuticals (Ticker: MACK), holds 131.83K shares in Cogent Biosciences (Ticker: COGT). Most recently, John L. Green ― shares of Merrimack Pharmaceuticals on ― for an estimated value of ―.
John L. Green Merrimack Pharmaceuticals (MACK)Principal Accounting Officer
Merrimack Pharmaceuticals (MACK)
Principal Accounting Officer
Ranked #44,607 out of 105,518 Corporate Insiders
Profitable Transactions
2 out of 2 Profitable Transactions
Average Return
+14.20%
Average return per transaction
Time Frame
Compare to
Insider Roles
CFO
Roles that John L. Green holds in companies
Most Profitable Insider Trade
Stock:
Rating:Informative Sell
Date:Apr 28, 2021 - Apr 28, 2022
Return:+24.30%
The most profitable trade made by John L. Green
John L. Green's Trading History
Merrimack Pharmaceuticals
―
―
―
―
Cogent Biosciences
Dec 30, 2025
CFO
Informative Sell
2.98M
$4.84M
List of latest transactions for each holding click on a transaction to see John L. Green's performance on stock
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John L. Green insider profile FAQ
What is the percentage of profitable transactions made by John L. Green?
The percentage of profitable transactions made by John L. Green is 100%.
What is the average return per transaction made by John L. Green?
The average return per transaction made by John L. Green is 14.20%.
What stocks does John L. Green hold?
John L. Green holds: MACK, COGT stocks.
What was John L. Green’s latest transaction?
John L. Green latest transaction was an Uninformative Buy of ―.
What was John L. Green's most profitable transaction?
John L. Green’s most profitable transaction was an Informative Sell of COGT stock on April 28, 2021. The return on the trade was 24.30%.
What is John L. Green's role in Merrimack Pharmaceuticals?
John L. Green's role in Merrimack Pharmaceuticals is Principal Accounting Officer.
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