David Dieter
EVP & General Counsel · COLLEGIUM PHARMACEUTICAL, INC
- 2026
- Apr 3, 2026
- 4
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies David Dieter 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 in COLL purchases and sales in the last 12 months
- John A. Fallon - $1.65M in COLL purchases and sales in the last 12 months
- Colleen Tupper - $1.22M in COLL purchases and sales in the last 12 months
- Garen G. Bohlin - $323K in COLL purchases and sales in the last 12 months
- Nancy Lurker - $162K in COLL purchases and sales in the last 12 months
- John Gordon Freund - $143K in COLL purchases and sales in the last 12 months
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Frequently asked questions
Who is David Dieter?
David Dieter is a corporate insider, tracked as EVP & General Counsel of COLLEGIUM PHARMACEUTICAL, INC (COLL). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did David Dieter last file a Form 4?
The most recent primary Form 4 on record is dated 3 April 2026, one of 4 filings going back to 2026.
Has David Dieter been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($716K) across all tracked filings.
