Career & Filing History
Every role Michael Waterman has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
Michael Waterman serves as Chief Sales Officer of ACV Auctions Inc. (ACVA). Waterman has reported 10 insider filings with the SEC since 2024. The most recent filing was in July 2026.
Every role Michael Waterman has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
ACV Auctions Inc. (ACVA)1 filingUpdated Aug 31, 2026
Michael Waterman is Chief Sales Officer of ACV Auctions Inc. (ACVA). 10 SEC Form 4 filings on record going back to 2024, most recently on 6 July 2026. Most recent open-market trade: bought $1.00M of ACVA on 2 March 2026. Lifetime open-market purchases: $1.00M. Lifetime open-market sales: $1.99M.
Every recent SEC Form 4 transaction Michael Waterman has reported, most recent first.
InsiderAlpha's records for Michael Waterman go back to 2024: 10 primary Form 4 filings, an average of 3.3 per year. The typical open-market purchase is $1.00M (1 buy totaling $1.00M). The largest single buy on record is $1.00M of ACVA in 2026. Sales side: 5 recorded sales totaling $1.99M, so the filing history runs sell-heavy by dollar value. 22 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Insiders who reported open-market trades in the last 12 months at the companies Michael Waterman 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.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Michael Waterman is a corporate insider, tracked as Chief Sales Officer of ACV Auctions Inc. (ACVA). InsiderAlpha holds 10 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
1 primary Form 4 filing in the last 90 days, covering 1 company.
Recorded transactions: 1 open-market purchase ($1.00M) and 5 open-market sales ($1.99M) across all tracked 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.
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial
$ACVA ACV Auctions Inc.4.4K shares @ $7.29$32K