Summary
Updated Aug 30, 2026
Jeffrey Sine is Director of ARM HOLDINGS PLC /UK (ARM). 2 SEC Form 4 filings on record, most recently on 11 August 2026.
Recent Transactions
2Every recent SEC Form 4 transaction Jeffrey Sine 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 Jeffrey Sine 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.
- Spencer Collins - $19.80M of ARM open-market activity in the last 12 months
- Jason Child - $14.22M of ARM open-market activity in the last 12 months
- William Abbey - $12.02M of ARM open-market activity in the last 12 months
- Rene A. Haas - $6.63M of ARM open-market activity in the last 12 months
- Richard Roy Grisenthwaite - $5.09M of ARM open-market activity in the last 12 months
- Laura Kathleen Bartels - $4.44M of ARM 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 Jeffrey Sine?
Jeffrey Sine is a corporate insider, tracked as Director of ARM HOLDINGS PLC /UK (ARM). 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 Jeffrey Sine submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Jeffrey Sine'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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