Summary
Updated Aug 31, 2026
Stephen Douglas Kelley is Director of ONTO INNOVATION INC. (ONTO). 4 SEC Form 4 filings on record, most recently on 22 May 2026. Most recent open-market trade: sold $275K of AEIS on 12 March 2026. Lifetime open-market sales: $15.83M.
Recent Transactions
19Every recent SEC Form 4 transaction Stephen Douglas Kelley has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Stephen Douglas Kelley go back to 2026: 4 primary Form 4 filings, an average of 4.0 per year. 13 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Stephen Douglas Kelley 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.
- Eduardo Bernal Acebedo - $7.81M of AEIS open-market activity in the last 12 months
- John A. Roush - $3.31M of AEIS open-market activity in the last 12 months
- Paul R. Oldham - $1.66M of AEIS open-market activity in the last 12 months
- Elizabeth Karpinski Vonne - $1.24M of AEIS open-market activity in the last 12 months
- Brian Shirley - $842K of AEIS open-market activity in the last 12 months
- Bernard Raymond Colpitts Jr. - $833K of AEIS 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 Stephen Douglas Kelley?
Stephen Douglas Kelley is a corporate insider, tracked as Director of ONTO INNOVATION INC. (ONTO). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Stephen Douglas Kelley last file a Form 4?
The most recent primary Form 4 on record is dated 22 May 2026, one of 4 filings going back to 2026.
Has Stephen Douglas Kelley been buying or selling stock?
Recorded transactions: 0 open-market purchases and 13 open-market sales ($15.83M) across all tracked filings.
Where can I see all of Stephen Douglas Kelley'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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