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Michael Thomas Heffernan currently holds 31,000 shares of COLLEGIUM PHARMACEUTICAL, INC (COLL), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Michael Thomas Heffernan has been a net seller of COLL stock. They have purchased $25.0K and sold $25.7M worth of shares.
Michael Thomas Heffernan's most recent insider trade was on Jun 16, 2026, when they sold 31,000 shares at $0.00 per share.
Michael Thomas Heffernan serves as Executive at COLLEGIUM PHARMACEUTICAL, INC (COLL). They have executed 120 insider transactions totaling $25.8M over their tenure at the company.
Michael Thomas Heffernan holds the position of Executive at COLLEGIUM PHARMACEUTICAL, INC, where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 14 years and currently hold a stake valued at $0.
Michael Thomas Heffernan has shown a selling trading pattern, with $25.0K in total purchases and $25.7M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Michael Thomas Heffernan was on Jan 21, 2020, when they sold $5.7M worth of COLL shares. This transaction involved 262,587 shares at $21.84 per share.
Michael Thomas Heffernan currently owns 31,000 shares of COLLEGIUM PHARMACEUTICAL, INC (COLL), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Michael Thomas Heffernan's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Michael Thomas Heffernan has 120 Form 4 filings on record as an insider at COLLEGIUM PHARMACEUTICAL, INC.
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