Cabot Corporation (CBT) Insider Trading
Over the last 3 months, CBT insiders made 0 open-market buys and 2 sales, a net sale of -$8.2M (SEC Form 4). Over the last 6 months, 283 institutions increased and 232 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
2
Net (3m)
-$8.2M
Insider trades by month Buys Sells
Sep
Nov
Aug
Aug
Context3-month price -5.1%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 26, 2026 | Keohane Sean Ddirector, officer: President and CEO | Sell | 2,779 | $85.50 |
| Aug 26, 2026 | Keohane Sean Ddirector, officer: President and CEO | Option | 2,779 | $50.00 |
| Aug 11, 2026 | Keohane Sean Ddirector, officer: President and CEO | Option | 91,923 | $62.24 |
| Aug 11, 2026 | Keohane Sean Ddirector, officer: President and CEO | Sell | 91,923 | $86.41 |
| Jul 2, 2026 | Keohane Sean Ddirector, officer: President and CEO | Grant | 84 | — |
| Jul 2, 2026 | Nathoo Raffiqdirector | Grant | 262 | — |
| Jun 16, 2026 | Masterson William F IIIofficer: Senior Vice President | Grant | 3 | — |
| Jun 16, 2026 | McLaughlin Ericaofficer: Executive Vice President, CFO | Grant | 55 | — |
| Jun 16, 2026 | Dumont Lisa Mofficer: VP, Controller & CAO | Grant | 4 | — |
| Jun 16, 2026 | DELGROSSO DOUGLAS Gdirector | Grant | 28 | — |
| Jun 16, 2026 | Kalita Karen Aofficer: SVP and General Counsel | Grant | 28 | — |
| Jun 16, 2026 | Keohane Sean Ddirector, officer: President and CEO | Grant | 256 | — |
| Jun 16, 2026 | Nathoo Raffiqdirector | Grant | 9 | — |
| Apr 1, 2026 | Nathoo Raffiqdirector | Grant | 315 | — |
| Mar 17, 2026 | Masterson William F IIIofficer: Senior Vice President | Grant | 3 | — |
| Mar 17, 2026 | Dumont Lisa Mofficer: VP, Controller & CAO | Grant | 5 | — |
| Mar 17, 2026 | DELGROSSO DOUGLAS Gdirector | Grant | 33 | — |
| Mar 17, 2026 | Kalita Karen Aofficer: SVP and General Counsel | Grant | 34 | — |
| Mar 17, 2026 | Nathoo Raffiqdirector | Grant | 8 | — |
| Mar 17, 2026 | Keohane Sean Ddirector, officer: President and CEO | Grant | 306 | — |
| Mar 17, 2026 | McLaughlin Ericaofficer: Executive Vice President, CFO | Grant | 66 | — |
| Jan 12, 2026 | Yan Christine Ydirector | Grant | 2,298 | — |
| Jan 12, 2026 | DELGROSSO DOUGLAS Gdirector | Grant | 2,298 | — |
| Jan 12, 2026 | ENRIQUEZ CABOT JUANdirector | Grant | 486 | — |
| Jan 12, 2026 | Williams Michelle Elizabethdirector | Grant | 2,298 | — |
| Jan 12, 2026 | Nathoo Raffiqdirector | Grant | 358 | $66.28 |
| Jan 12, 2026 | Morrow Michael Mdirector | Grant | 2,298 | — |
| Jan 12, 2026 | Arnold Cynthia Adirector | Grant | 2,298 | — |
| Jan 12, 2026 | Kirby William C.director | Grant | 486 | — |
| Jan 12, 2026 | Vanlancker Thierry FJdirector | Grant | 2,298 | — |
Source: CBT SEC Form 4 filings, latest Aug 26, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their CBT positions over the last 6 months (SEC Form 13F).
Increased
283
New positions
113
Reduced
232
Sold out
44
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 7.0M | Aug 7, 2026 |
| BLACKROCK, INC. | Reduced | 6.6M | May 13, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Reduced | 3.6M | May 15, 2026 |
| EARNEST PARTNERS LLC | Increased | 3.3M | Aug 13, 2026 |
| EARNEST PARTNERS LLC | Increased | 3.2M | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 3.1M | May 8, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 3.1M | Aug 13, 2026 |
| AMERICAN CENTURY COMPANIES INC | Increased | 2.8M | Aug 12, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Reduced | 2.4M | Aug 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 2.3M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Reduced | 2.3M | Aug 13, 2026 |
| AMERICAN CENTURY COMPANIES INC | Increased | 2.2M | May 15, 2026 |
| STATE STREET CORP | Increased | 2.2M | Aug 7, 2026 |
| FULLER & THALER ASSET MANAGEMENT, INC. | Reduced | 2.0M | May 14, 2026 |
| STATE STREET CORP | Increased | 2.0M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.