Summary
Updated Aug 31, 2026
Donald J. Griffith is Chief Financial Officer, Director of Sonnet BioTherapeutics Holdings, Inc. (SONN). 3 SEC Form 4 filings on record going back to 2024, most recently on 3 December 2025.
Recent Transactions
3Every recent SEC Form 4 transaction Donald J. Griffith has reported, most recent first.
Other Insiders Active in the Same Sector
No other insider has filed at Donald J. Griffith's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- Casdin Partners Master Fund, L.P. - $49.54M of BLFS open-market activity in the last 12 months
- Gary S. Guthart - $48.79M of ISRG open-market activity in the last 12 months
- Robert B. Ford - $48.22M of ABT open-market activity in the last 12 months
- Daniel Patrick O'Day - $47.86M of GILD open-market activity in the last 12 months
- Roger Adsett - $47.51M of INSM open-market activity in the last 12 months
- Bihua Chen - $46.87M of MLTX 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 Donald J. Griffith?
Donald J. Griffith is a corporate insider, tracked as Chief Financial Officer, Director of Sonnet BioTherapeutics Holdings, Inc. (SONN). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Donald J. Griffith last file a Form 4?
The most recent primary Form 4 on record is dated 3 December 2025, one of 3 filings going back to 2024.
Where can I see all of Donald J. Griffith'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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