Summary
Updated Aug 31, 2026
John A. Fallon files SEC Form 4 reports at COLLEGIUM PHARMACEUTICAL, INC (COLL). 2 SEC Form 4 filings on record, most recently on 14 November 2025. Most recent open-market trade: sold $1.65M of COLL on 14 November 2025. Lifetime open-market sales: $1.65M.
Recent Transactions
4Every recent SEC Form 4 transaction John A. Fallon has reported, most recent first.
Trading Pattern
InsiderAlpha's records for John A. Fallon go back to 2025: 2 primary Form 4 filings, an average of 1.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies John A. Fallon files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Scott Dreyer - $2.02M of COLL open-market activity in the last 12 months
- Colleen Tupper - $1.22M of COLL open-market activity in the last 12 months
- David Dieter - $716K of COLL open-market activity in the last 12 months
- Garen G. Bohlin - $323K of COLL open-market activity in the last 12 months
- Nancy Lurker - $162K of COLL open-market activity in the last 12 months
- John Gordon Freund - $143K of COLL open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is John A. Fallon?
John A. Fallon is a corporate insider of COLLEGIUM PHARMACEUTICAL, INC (COLL). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did John A. Fallon last file a Form 4?
The most recent primary Form 4 on record is dated 14 November 2025, one of 2 filings going back to 2025.
Has John A. Fallon been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($1.65M) across all tracked filings.
Where can I see all of John A. Fallon's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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