Mazelsky Jonathan Jay
- SEC CIK
- 0001556270
In the past year, 1 open-market purchase filing worth $101.4K and 1 sale filing worth $15.3M.
Current role at each company
- PODD Insulet CorpDirectoras of Jul 2, 2026
- XRAY Dentsply Sirona Inc.Directoras of Jul 1, 2026
- IDXX IDEXX Laboratories IncPresident and CEOas of Mar 2, 2026
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- $101.4K
- 1 filing
- Sold
- $15.3M
- 1 filing
- Net
- −$15.2M
- Bought minus sold
- Companies
- 2
- With open-market trades
Trades
Every Form 4 that lists Mazelsky Jonathan Jay as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
XRAY Dentsply Sirona Inc.
Director1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 18, 2026 (view filing) | Jun 12 | 6 days | Mazelsky Jonathan JayDirector | PPurchase | +10.0K | $10.14 | +$101.4K | +19.4%61.7K after | Amended |
IDXX IDEXX Laboratories Inc
President and CEO8 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 2, 2026 (view filing) | Feb 26 | 4 days | Mazelsky Jonathan JayPresident and CEO | SSale | −23.3K | $657.55 | −$15.3M | −21.8%83.6K after | 13 lots |
| Aug 8, 2025 (view filing) | Aug 6 | 2 days | Mazelsky Jonathan JayPresident and CEO | SSale | −29.3K | $631.98 | −$18.5M | −26.0%83.3K after | 10 lots |
| Feb 9, 2024 (view filing) | Feb 7 | 2 days | Mazelsky Jonathan JayPresident and CEO | SSale | −12.0K | $572.61 | −$6.87M | −13.2%79.2K after | 5 lots |
| Dec 6, 2023 (view filing) | Dec 4 | 2 days | Mazelsky Jonathan JayPresident and CEO | SSale | −7.13K | $513.05 | −$3.66M | −8.3%79.2K after | 2 lots |
| Sep 5, 2023 (view filing) | Aug 31 | 5 days | Mazelsky Jonathan JayPresident and CEO | SSale | −13.4K | $512.01 | −$6.87M | −15.5%72.9K after | |
| Nov 16, 2022 (view filing) | Nov 14 | 2 days | Mazelsky Jonathan JayPresident & CEO | SSale | −10.5K | $434.47 | −$4.56M | −12.9%70.8K after | 4 lots |
| Nov 9, 2022 (view filing) | Nov 7 | 2 days | Mazelsky Jonathan JayPresident & CEO | SSale | −13.2K | $382.49 | −$5.06M | −17.5%62.3K after | 7 lots |
| Aug 17, 2021 (view filing) | Aug 13-16 | 4 days | Mazelsky Jonathan JayPresident & CEO | SSale | −6.00K | $675.21 | −$4.05M | −10.8%49.4K after | 7 lots |