Summary
Updated Aug 30, 2026
Ken Herrmann files SEC Form 4 reports at Aktis Oncology, Inc. (AKTS). 2 SEC Form 4 filings on record, most recently on 22 July 2026. Most recent open-market trade: sold $33K of AKTS on 22 July 2026. Lifetime open-market sales: $197K.
Recent Transactions
6Every recent SEC Form 4 transaction Ken Herrmann has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Ken Herrmann 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.
- EcoR1 Capital, LLC - $40.00M of AKTS open-market activity in the last 12 months
- Ansbert Gadicke - $20.03M of AKTS open-market activity in the last 12 months
- MPM BIOVENTURES 2018, L.P. - $20.03M of AKTS open-market activity in the last 12 months
- Helen Susan Kim - $15.03M of AKTS open-market activity in the last 12 months
- Vida Ventures II, LLC - $15.03M of AKTS open-market activity in the last 12 months
- Todd Foley - $4.19M of AKTS 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 Ken Herrmann?
Ken Herrmann is a corporate insider of Aktis Oncology, Inc. (AKTS). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Ken Herrmann submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Ken Herrmann been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($197K) across all tracked filings.
Where can I see all of Ken Herrmann'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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