Jonathan Jay Mazelsky holds the role of Director at INSULET CORP (PODD). Mazelsky's filing history also covers DENTSPLY SIRONA Inc. (XRAY) and IDEXX LABORATORIES INC (IDXX). Mazelsky has reported 20 insider filings with the SEC since 2024. The most recent filing was in July 2026.
Every role Jonathan Jay Mazelsky 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.
INSULET CORP (PODD)1 filingDENTSPLY SIRONA Inc. (XRAY)4 filingsUpdated Aug 30, 2026
Jonathan Jay Mazelsky is Director of INSULET CORP (PODD). 19 SEC Form 4 filings on record going back to 2024, most recently on 2 July 2026. Most recent open-market trade: bought $101K of XRAY on 18 June 2026. Lifetime open-market purchases: $101K. Lifetime open-market sales: $33.83M.
Every recent SEC Form 4 transaction Jonathan Jay Mazelsky has reported, most recent first.
InsiderAlpha's records for Jonathan Jay Mazelsky go back to 2024: 19 primary Form 4 filings, an average of 6.3 per year. The typical open-market purchase is $101K (1 buy totaling $101K). The largest single buy on record is $101K of XRAY in 2026. Sales side: 23 recorded sales totaling $33.83M, so the filing history runs sell-heavy by dollar value. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Insiders who reported open-market trades in the last 12 months at the companies Jonathan Jay Mazelsky 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:
Jonathan Jay Mazelsky is a corporate insider, tracked as Director of INSULET CORP (PODD). InsiderAlpha holds 19 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
5 primary Form 4 filings in the last 90 days, covering 2 companies.
Recorded transactions: 1 open-market purchase ($101K) and 23 open-market sales ($33.83M) 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
$XRAY DENTSPLY SIRONA Inc.10.0K shares @ $10.14$101K