Summary
Updated Aug 30, 2026
Michael J. Hartshorn is GROUP PRESIDENT, COO of ROSS STORES, INC. (ROST). 3 SEC Form 4 filings on record, most recently on 26 March 2026. Most recent open-market trade: sold $3.40M of ROST on 26 March 2026. Lifetime open-market sales: $4.70M.
Recent Transactions
5Every recent SEC Form 4 transaction Michael J. Hartshorn has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Michael J. Hartshorn go back to 2026: 3 primary Form 4 filings, an average of 3.0 per year. 2 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 Michael J. Hartshorn 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.
- James Grant Conroy - $5.75M of ROST open-market activity in the last 12 months
- Karen Sykes - $2.33M of ROST open-market activity in the last 12 months
- Karen Fleming - $2.08M of ROST open-market activity in the last 12 months
- Stephen C. Brinkley - $1.86M of ROST open-market activity in the last 12 months
- William W. Sheehan II - $1.06M of ROST open-market activity in the last 12 months
- Patricia H. Mueller - $401K of ROST 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 J. Hartshorn?
Michael J. Hartshorn is a corporate insider, tracked as GROUP PRESIDENT, COO of ROSS STORES, INC. (ROST). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Michael J. Hartshorn last file a Form 4?
The most recent primary Form 4 on record is dated 26 March 2026, one of 3 filings going back to 2026.
Has Michael J. Hartshorn been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($4.70M) across all tracked filings.
Where can I see all of Michael J. Hartshorn'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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