Summary
Updated Aug 31, 2026
John Harry Cross III is Chief Financial Officer of Sonnet BioTherapeutics Holdings, Inc. (SONN). 1 SEC Form 4 filing on record, dated 5 December 2024.
Recent Transactions
1Every recent SEC Form 4 transaction John Harry Cross III has reported, most recent first.
Trading Pattern
InsiderAlpha's records for John Harry Cross III go back to 2024: 1 primary Form 4 filing, an average of 0.3 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 John Harry Cross III's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- James C. Foster - $34.84M of CRL open-market activity in the last 12 months
- Third Rock Ventures V, L.P. - $34.39M of RAPP open-market activity in the last 12 months
- Terrance P. Coyne - $33.61M of RPRX open-market activity in the last 12 months
- Susan E. Burwig - $33.58M of MEDP open-market activity in the last 12 months
- Michael B. Petras Jr. - $33.51M of SHC open-market activity in the last 12 months
- Reuven Yeganeh - $33.32M of PHGE 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 John Harry Cross III?
John Harry Cross III is a corporate insider, tracked as Chief Financial Officer of Sonnet BioTherapeutics Holdings, Inc. (SONN). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did John Harry Cross III last file a Form 4?
The only primary Form 4 on record is dated 5 December 2024.
Where can I see all of John Harry Cross III'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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