Masterson William III Insider Trades & Stock Holdings

Senior Vice President · Cabot Corporation · Latest filing Jun 12, 2026

Masterson William III, Senior Vice President at Cabot Corporation has 1 Form 4 trade on file since Jun 12, 2026. Latest filing: acquired 3 shares of $CBT on Jun 12, 2026 at $87.65.

Trades on file

1

Open-market bought

$0

Open-market sold

$0

Net open-market

$0

Latest filing

Jun 12, 2026

All insider trades by Masterson William III

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Jun 12, 2026	$CBT	Buy (Grant or award)	3	$87.65	$262.95			+3.5%	+0.2%		Senior Vice President		Read

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Masterson William III traded

• $CBT

Frequently asked questions

What was Masterson William III's latest insider trade?

acquired 3 shares of $CBT on Jun 12, 2026 at $87.65.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.