Dieter David — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Dieter David is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market sales: $716K.

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-04-03COLLCOLLEGIUM PHARMACEUTICAL, INCF — Tax withholding / forfeiture8.8K$35.72$316K
2026-03-20COLLCOLLEGIUM PHARMACEUTICAL, INCS — Open-market sale [10b5-1]14.0K$34.92$488K
2026-03-11COLLCOLLEGIUM PHARMACEUTICAL, INCS — Open-market sale [10b5-1]6.2K$36.65$228K
2026-02-12COLLCOLLEGIUM PHARMACEUTICAL, INCF — Tax withholding / forfeiture2.8K$46.75$130K
2026-02-12COLLCOLLEGIUM PHARMACEUTICAL, INCA — Grant or award9.0K$0.00
2026-02-12COLLCOLLEGIUM PHARMACEUTICAL, INCA — Grant or award22.2K$0.00

Frequently Asked Questions

Who is Dieter David?

Dieter David is a corporate insider — currently tracked as Insider. InsiderAlpha tracks every SEC Form 4 filing in real time.

Has Dieter David been buying or selling stock?

Recorded transactions: 0 open-market purchases () and 2 open-market sales ($716K) across all tracked filings.

Where can I see all of Dieter David'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.

Learn More

Open the live Dieter David profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.