Summary
Updated Aug 30, 2026
Michael A. Bonarti is Corporate Vice President of AUTOMATIC DATA PROCESSING INC (ADP). 5 SEC Form 4 filings on record going back to 2024, most recently on 6 August 2026. Most recent open-market trade: sold $2.60M of ADP on 9 September 2025. Lifetime open-market sales: $2.60M.
Recent Transactions
6Every recent SEC Form 4 transaction Michael A. Bonarti 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 Michael A. Bonarti 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.
- Carlos A. Rodriguez - $24.75M of ADP open-market activity in the last 12 months
- Maria Black - $9.36M of ADP open-market activity in the last 12 months
- Don McGuire - $4.03M of ADP open-market activity in the last 12 months
- Joseph Desilva - $1.97M of ADP open-market activity in the last 12 months
- David Kwon - $865K of ADP open-market activity in the last 12 months
- David Foskett - $784K of ADP 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 Michael A. Bonarti?
Michael A. Bonarti is a corporate insider, tracked as Corporate Vice President of AUTOMATIC DATA PROCESSING INC (ADP). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Michael A. Bonarti submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Michael A. Bonarti been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($2.60M) across all tracked filings.
Where can I see all of Michael A. Bonarti'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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