Sean D. Keohane owns 0.81% of Cabot
418,398 shares as of the September 30, 2026 filing, worth $31.1M at the latest close.
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Free.
The stake
0.81%
worth $31.1M at the latest close
Stake rank
#970
by dollar value of the stake
Last sale
52 days ago
Aug 28, 2026
Last buy
None
no purchases since 2018
Sean D. Keohane owns 0.81% of CABOT CORP: 418,397 of 51,631,007 shares, worth about $31.1M at the 2026-10-16 close. The stake has moved from 0.09% in 2016 to 0.81% on 2026-09-30, across 8 sales and 0 purchases that moved it since 2016. The last trade that moved it was a discretionary sale of $11.5M on 2026-08-28.
How the stake is held
as of the Aug 28, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated Aug 28, 2026 · Form 4 ↗
HELD DIRECTLY
404,134
96.6%
HELD INDIRECTLY · Through the Trustee for the Corporation's 401(k) Plan
14,264
3.4%
THE STAKE
418,398
0.81%