Frank Thomas Insider Profile
4 Followers
Frank Thomas, President & COO at Amag Pharmaceuticals, holds 7.00K shares in Larimar Therapeutics (Ticker: LRMR), holds 75.00K shares in Spero Therapeutics (Ticker: SPRO), holds 0.00 shares in Orchard Therapeutics (Ticker: ORTX). Most recently, Frank Thomas Bought ― shares of Larimar Therapeutics on Mar 02, 2026 for an estimated value of $25.00K.
Frank Thomas Amag Pharmaceuticals (AMAG)President & COO
Amag Pharmaceuticals (AMAG)
President & COO
Ranked #73,482 out of 106,487 Corporate Insiders
Profitable Transactions
1 out of 4 Profitable Transactions
Average Return
-13.10%
Average return per transaction
Time Frame
Compare to
Insider Holdings
Insider Roles
Roles that Frank Thomas holds in companies
Most Profitable Insider Trade
Stock:
Amag Pharmaceuticals
(AMAG)
(AMAG)
Rating:Informative Sell
Date:Jun 08, 2015 - Jun 08, 2016
Return:+68.30%
The most profitable trade made by Frank Thomas
Frank Thomas's Trading History
Amag Pharmaceuticals
Feb 27, 2017
―
Uninformative Buy
―
$1.47M
Spero Therapeutics
Jun 16, 2025
Director
Uninformative Buy
―
$177.75K
Orchard Therapeutics
Jan 24, 2024
―
Uninformative Sell
―
$0.00
Larimar Therapeutics
Mar 02, 2026
Director
Informative Buy
25.00K
$31.99K
Cornerstone Therapeutics Inc
―
―
―
―
List of latest transactions for each holding click on a transaction to see Frank Thomas's performance on stock
You May Also Like
Frank Thomas insider profile FAQ
What is the percentage of profitable transactions made by Frank Thomas?
The percentage of profitable transactions made by Frank Thomas is 25%.
What is the average return per transaction made by Frank Thomas?
The average return per transaction made by Frank Thomas is -13.10%.
What stocks does Frank Thomas hold?
Frank Thomas holds: AMAG, SPRO, ORTX, LRMR, ~CRTX stocks.
What was Frank Thomas’s latest transaction?
Frank Thomas latest transaction was an Informative Buy of $25.00K.
What was Frank Thomas's most profitable transaction?
Frank Thomas’s most profitable transaction was an Informative Sell of AMAG stock on June 8, 2015. The return on the trade was 68.30%.
What is Frank Thomas's role in Amag Pharmaceuticals?
Frank Thomas's role in Amag Pharmaceuticals is President & COO.
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.