Question 1

Who are the insiders buying CABOT CORP stock?

Accepted Answer

InsiderAct tracks all open-market purchases of CABOT CORP stock by corporate insiders — including officers, directors, and shareholders owning more than 10% — sourced from public SEC Form 4 filings.

Question 2

What does insider buying at a company mean?

Accepted Answer

When a corporate officer, director, or major shareholder purchases their own company's stock on the open market using personal funds, it signals confidence in the company's outlook. This is especially meaningful when multiple insiders buy within the same 7–14 day window (cluster buying) or when the purchase size exceeds $100,000.

Question 3

How do I find cluster buying signals for a company?

Accepted Answer

InsiderAct automatically detects cluster buying — two or more insiders independently purchasing shares within a 14-day window. When a cluster buy signal is active for a company, it appears prominently on the company's InsiderAct page and on the Signals tab.

Question 4

Has CABOT CORP had any recent large insider purchases?

Accepted Answer

InsiderAct tracks all open-market purchases of $100,000 or more at CABOT CORP. Large insider purchases are flagged as high-conviction signals because they represent meaningful personal capital commitments by executives or directors who have direct visibility into the company's operations and prospects.

Question 5

Where do the insider transactions on this page come from?

Accepted Answer

All transactions shown on InsiderAct company pages are sourced directly from SEC EDGAR Form 4 filings — the mandatory public disclosures that corporate insiders must submit within 2 business days of any stock transaction. InsiderAct ingests these filings in near real time and filters for open-market purchases and sales.


2026-08-31	2026-08-28	Keohane Sean D	CEO	Sale	134,895	$85.00	$11,466,075
2026-08-31	2026-08-28	Keohane Sean D	CEO	Exercise Conversion	134,895	$50.00	$6,744,750
2026-08-31	2026-08-28	Keohane Sean D	CEO	Exercise Conversion	134,895	$50.00	$6,744,750
2026-08-11	2026-08-07	Keohane Sean D	CEO	Exercise Conversion	91,923	$62.24	$5,721,288
2026-08-11	2026-08-07	Keohane Sean D	CEO	Sale	91,923	$86.41	$7,942,607
2026-08-11	2026-08-07	Keohane Sean D	CEO	Exercise Conversion	91,923	$62.24	$5,721,288
2026-01-12	2026-01-08	Morrow Michael M	Director	Award	2,298	$0.00	$0
2026-01-12	2025-12-31	Nathoo Raffiq	Director	Award	358	$66.28	$23,728
2026-01-12	2026-01-08	Yan Christine Y	Director	Award	2,298	$0.00	$0
2026-01-12	2026-01-08	Williams Michelle Elizabeth	Director	Award	2,298	$0.00	$0

CBT

Insider Activity

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