MAZELSKY JONATHAN JAY

CIK: 0001556270

MAZELSKY JONATHAN JAY is a corporate insider at IDEXX LABORATORIES INC /DE (IDXX) filing SEC Form 4 transactions. 348 transactions across 2 companies, totaling $0 in purchases and $64,266,729 in sales. Source: SEC EDGAR.

AI Insider Summary

Jonathan Mazelsky's record pairs IDEXX Laboratories (IDXX, 311 tx) with a Dentsply Sirona (XRAY, 35 tx) board seat. The live tape is XRAY awards — 22,822 and 2,644 shares, one priced at $11.98 — marking an active directorship at the depressed-priced dental name.

The recent flow is at Dentsply: awards of 22,822 and 2,644 shares, with one row priced at $11.98 — a low level that itself signals XRAY's depressed valuation, and an active directorship behind the grants.

For readers, Mazelsky is a med-tech executive whose live signal is XRAY board grants near $12; the IDXX history frames the deeper career tie, and the recent activity is grant-side rather than directional.

Total Transactions
348
Total Buy Value
$0
Total Sell Value
$64.27M
Net Activity
$-64.27M
Last Transaction
Jun 2026
Companies
2

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Type
Purchase
Shares
10,000
Price
$10.14
Value
$101K
Type
Award
Shares
10,000
Price
$10.14
Value
$101K
Type
Award
Shares
22,822
Price
-
Value
-
Type
Award
Shares
2,644
Price
-
Value
-
Type
Award
Shares
123
Price
$11.98
Value
$1K
Type
Award
Shares
359
Price
-
Value
-
Type
Award
Shares
2,386
Price
$12.57
Value
$30K
Type
Gift
Shares
1,051
Price
-
Value
-
Type
Exercise
Shares
183
Price
-
Value
-
Type
Exercise
Shares
183
Price
$598.49
Value
$110K
Type
Exercise
Shares
29,260
Price
-
Value
-
Type
Sale
Shares
660
Price
$639.37
Value
$422K
Type
Sale
Shares
880
Price
$636.81
Value
$560K
Type
Sale
Shares
1,822
Price
$636.15
Value
$1.16M
Type
Sale
Shares
3,526
Price
$635.13
Value
$2.24M
Type
Sale
Shares
3,000
Price
$632.56
Value
$1.90M
Type
Sale
Shares
7,299
Price
$631.61
Value
$4.61M
Type
Sale
Shares
6,056
Price
$630.59
Value
$3.82M
Type
Sale
Shares
3,397
Price
$629.82
Value
$2.14M
Type
Sale
Shares
1,525
Price
$628.27
Value
$958K