John Adam Zangerle Net Worth
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John Adam Zangerle has an estimated net worth of at least $11.1 million*, as of Oct. 29, 2025. They own 33,669 shares of STE stock. They have sold 27,637 shares of STE stock since 2021, for an estimated $3.1 million.
John Adam Zangerle $STE SEC Form 4 Insider Trading
John Adam Zangerle has filed a total of 5 insider trades in $STE since 2021. Their most recent trade was a sale of 15,000 shares, made on Nov 11, 2025. Their largest trade was a sale of 15,000 shares, made on Nov 11, 2025. We estimate that they now own 33,669 shares of $STE, worth an estimated $8.1 million.
Insider Trading at $STE
There have been a total of 56 insider trades reported at $STE since 2021, with 0 shares purchased and 267,115 shares sold. The most active insider traders in $STE stock have been Michael J Tokich, Cary L Majors, and John Adam Zangerle. The most recent trade was a sale of 2,136 shares reported by Julia Madsen (Sr. VP and GM, Life Sciences), made on Nov 21, 2025.
History of Insider Stock Trades by John Adam Zangerle
| Company Ticker | Purchase / Sale | Shares | Date | Disclosed (EST) |
|---|---|---|---|---|
STE
|
Sale | 15,000 | Nov 11, 2025 | Nov. 13, 2025, 5:34 p.m. |
|
STE
|
Sale | 330 | Jun 13, 2025 | June 17, 2025, 4:34 p.m. |
|
STE
|
Sale | 1,648 | Jun 13, 2025 | June 17, 2025, 4:34 p.m. |
|
STE
|
Sale | 2,659 | Jun 15, 2022 | June 16, 2022, 8 p.m. |
|
STE
|
Sale | 8,000 | Apr 20, 2022 | April 20, 2022, 8 p.m. |
$STE Executives and Stock Owners with Insider Trades
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Michael J Tokich, Sr. Vice Pres., CFO
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Cary L Majors, SVP and President, Healthcare
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John Adam Zangerle, Sr. VP, Gen Counsel, and Sec.
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Renato Tamaro, V.P. & Corporate Treasurer
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Cary L Majors, Sr VP N America Com Operations
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Daniel A Carestio, President and CEO
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Julia Madsen, Senior VP, Life Sciences
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Julia Madsen, Sr. VP and GM, Life Sciences
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Karen L Burton, VP & CAO
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Karen L Burton, VP, Controller & CAO
*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.