Summary
Updated Aug 31, 2026
Phillip B. Donenberg files SEC Form 4 reports at Faeth Therapeutics, Inc. (FTH). 7 SEC Form 4 filings on record going back to 2025, most recently on 13 June 2026.
Recent Transactions
2Every recent SEC Form 4 transaction Phillip B. Donenberg has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Phillip B. Donenberg go back to 2025: 7 primary Form 4 filings, an average of 3.5 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 Phillip B. Donenberg 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.
- Sukumar Nagendran - $5.97M of TSHA open-market activity in the last 12 months
- Brian C. Stephenson - $1.13M of FTH open-market activity in the last 12 months
- Sean P. Nolan - $840K of TSHA open-market activity in the last 12 months
- MILLENNIUM MANAGEMENT LLC - $679K of FTH open-market activity in the last 12 months
- James Peyer - $501K of FTH open-market activity in the last 12 months
- Cambrian BioPharma Inc - $501K of FTH 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 Phillip B. Donenberg?
Phillip B. Donenberg is a corporate insider of Faeth Therapeutics, Inc. (FTH). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Phillip B. Donenberg submitted recently?
3 primary Form 4 filings in the last 90 days, covering 3 companies.
Where can I see all of Phillip B. Donenberg'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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