Company

CABOT CORP

CBT · CIK 0000016040

SEC FORM 4

$6,744,750.00

Acquisition (code M) of 134,895 shares at $50 per share.

Reporting Person Keohane Sean D · Officer Title President and CEO · Transaction Code M

Traded Aug 28, 2026 · Disclosed Aug 31, 2026

Source: SEC Form 4 · 0001193125-26-377202 · filed 2026-08-31 · View filing →

SEC FORM 4

$11,466,075.00

Sale of 134,895 shares at $85 per share.

Reporting Person Keohane Sean D · Officer Title President and CEO · Transaction Code S

Traded Aug 28, 2026 · Disclosed Aug 31, 2026

Source: SEC Form 4 · 0001193125-26-377202 · filed 2026-08-31 · View filing →

SEC FORM 4

$138,950.00

Acquisition (code M) of 2,779 shares at $50.000 per share.

Reporting Person Keohane Sean D · Officer Title President and CEO · Transaction Code M

Traded Aug 24, 2026 · Disclosed Aug 26, 2026

Source: SEC Form 4 · 0001193125-26-367204 · filed 2026-08-26 · View filing →

SEC FORM 4

$237,604.50

Sale of 2,779 shares at $85.500 per share.

Reporting Person Keohane Sean D · Officer Title President and CEO · Transaction Code S

Traded Aug 24, 2026 · Disclosed Aug 26, 2026

Source: SEC Form 4 · 0001193125-26-367204 · filed 2026-08-26 · View filing →