Summary
Updated Aug 31, 2026
Dirk G. Brockstedt is CHIEF SCIENTIFIC OFFICER of RAPT Therapeutics, Inc. (RAPT). 2 SEC Form 4 filings on record going back to 2024, most recently on 5 March 2026.
Recent Transactions
1Every recent SEC Form 4 transaction Dirk G. Brockstedt has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Dirk G. Brockstedt go back to 2024: 2 primary Form 4 filings, an average of 0.7 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 Sector
No other insider has filed at Dirk G. Brockstedt's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- Brian Taylor Slingsby - $43.35M of MLYS open-market activity in the last 12 months
- Saumya Sutaria - $42.66M of THC open-market activity in the last 12 months
- Brett P. Monia - $42.65M of IONS open-market activity in the last 12 months
- Framework Ventures IV L.P. - $42.62M of SDEV open-market activity in the last 12 months
- Dinesh V. Ph D. Patel - $42.34M of PTGX open-market activity in the last 12 months
- Jesse J. Geiger - $41.11M of MEDP 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 Dirk G. Brockstedt?
Dirk G. Brockstedt is a corporate insider, tracked as CHIEF SCIENTIFIC OFFICER of RAPT Therapeutics, Inc. (RAPT). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Dirk G. Brockstedt last file a Form 4?
The most recent primary Form 4 on record is dated 5 March 2026, one of 2 filings going back to 2024.
Where can I see all of Dirk G. Brockstedt'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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