D MAYSON BROOKS

CIK 1194777 · Vice President & GM, IBU · last filed 2024-12-04

D MAYSON BROOKS is a Vice President & GM, IBU who has filed 26 SEC Form 4 insider transactions across 2 companies since 2007. The most recent filing, for ONTO, was dated Dec 4, 2024. Across all open-market trades the lifetime net is −$1.2M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $979.7K across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$979.7K

Companies

2

Total Filings

26

Lifetime Open-Market Net

-$1.24M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
ONTO Vice President & GM, IBU 3,025 $323.88 $979.7K $0 4 2024-12-04
RUDOLPH TECHNOLOGIES INC (RTEC) Delisted 27,662 -$1.24M 22 2014-03-05

Recent Filings

26 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2024-12-04 ONTO $0 EDGAR
2024-09-04 ONTO Tax (F) −224 -$47.8K EDGAR
2024-03-05 ONTO Grant (A) +883 $0 EDGAR
2023-09-05 ONTO Grant (A) +2,194 $0 EDGAR
2014-03-05 RUDOLPH TECHNOLOGIES INC (RTEC) Delisted Grant (A) +1,936 $0 EDGAR
2014-02-04 RUDOLPH TECHNOLOGIES INC (RTEC) Delisted Grant (A) +5,000 $0 EDGAR
2013-06-19 RUDOLPH TECHNOLOGIES INC (RTEC) Delisted Sell (S) −8,548 -$94.7K EDGAR
2013-06-19 RUDOLPH TECHNOLOGIES INC (RTEC) Delisted Gift (G) +200 $0 EDGAR
2013-05-14 RUDOLPH TECHNOLOGIES INC (RTEC) Delisted Sell (S) −8,548 -$94.7K EDGAR
2013-03-05 RUDOLPH TECHNOLOGIES INC (RTEC) Delisted Grant (A) +4,800 $0 EDGAR
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.