Key facts
- CBT - CABOT CORP has 20 insiders with reported activity on this page.
- Net insider value flow over the last year: -$9,072,094.
- Recent transaction rows are available for direct filing-level review.
Insider Transactions Reported by 20 Insiders of CABOT CORP
- Symbol
- CBT on NYSE
- Location
- Boston, MA
Change
- Buy value: ; sell value: $9,072,094.
- Net share flow: -114,436.
Research use
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$9,072,094.
Buys
$0
Shares: 0
Insiders: 0
Sells
$9,072,094
Shares: 114,436
Insiders: 1
Net
-$9,072,094
Shares: -114,436
Insiders: -1
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 114,436 | $0 | $9,072,094 | -$9,072,094 |
CABOT CORP executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Sean D. Keohane | President and CEO, Director | $28,248,962 | -$9,072,094 | -24% | Mixed | 13 Mar 2026 |
| Hobart Kalkstein | Executive Vice President | $7,339,113 | Mixed | 13 Jun 2025 | ||
| Cabot Juan Enriquez | Director | $6,424,583 | Mixed | 08 Jan 2026 | ||
| Erica McLaughlin | Executive Vice President, CFO | $5,323,084 | Mixed | 13 Mar 2026 | ||
| Jeff Ji Zhu | Executive Vice President | $5,099,739 | Mixed | 19 Nov 2025 | ||
| Matthais L. Wolfgruber | Director | $4,293,232 | Mixed | 14 Mar 2025 | ||
| Karen A. Kalita | SVP and General Counsel | $3,091,642 | Mixed | 13 Mar 2026 | ||
| Sue H. Rataj | Director | $2,268,391 | Mixed | 11 Jan 2024 | ||
| William C. Kirby | Director | $1,835,163 | Mixed | 08 Jan 2026 | ||
| Michael M. Morrow | Director | $1,478,178 | Mixed | 08 Jan 2026 | ||
| Douglas G. Delgrosso | Director | $1,348,258 | Mixed | 13 Mar 2026 | ||
| Cynthia A. Arnold | Director | $1,300,415 | Mixed | 08 Jan 2026 | ||
| Frank Anders Wilson | Director | $1,229,628 | Mixed | 08 Jan 2026 | ||
| Christine Y. Yan | Director | $1,138,095 | Mixed | 08 Jan 2026 | ||
| Lisa M. Dumont | VP, Controller & CAO | $860,073 | Mixed | 13 Mar 2026 | ||
| Matthew Forster Wood | Senior Vice President | $827,461 | Mixed | 19 Nov 2025 | ||
| Raffiq Nathoo | Director | $699,258 | Mixed | 31 Mar 2026 | ||
| William F. Masterson III | Senior Vice President | $470,481 | Mixed | 13 Mar 2026 | ||
| Michelle Elizabeth Williams | Director | $449,113 | Mixed | 08 Jan 2026 | ||
| Thierry Fj Vanlancker | Director | $324,905 | Mixed | 08 Jan 2026 |
Top shareholders of CABOT CORP (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| WELLINGTON MANAGEMENT GROUP LLP |
13D/G
13F
|
Company |
7.8%
|
4,235,965
|
$333,455,165 | $0 | 31 Mar 2025 | |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
13F
|
Vanguard Portfolio Management · Company |
6.1%
|
3,175,315
|
$239,132,973 | $0 | 31 Mar 2026 | |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
|
Vanguard Capital Management · Company |
5.2%
|
2,727,381
|
$205,399,063 | $0 | 31 Mar 2026 | |
| William C. Kirby |
3/4/5
|
Director |
0.05%
|
27,688
|
$1,835,163 | — | 08 Jan 2026 | |
| Michael M. Morrow |
3/4/5
|
Director |
0.04%
|
22,302
|
$1,478,178 | — | 08 Jan 2026 | |
| Cynthia A. Arnold |
3/4/5
|
Director |
0.04%
|
19,620
|
$1,300,415 | — | 08 Jan 2026 | |
| Frank Anders Wilson |
3/4/5
|
Director |
0.04%
|
18,552
|
$1,229,628 | — | 08 Jan 2026 | |
| Christine Y. Yan |
3/4/5
|
Director |
0.03%
|
17,171
|
$1,138,095 | — | 08 Jan 2026 | |
| Michelle Elizabeth Williams |
3/4/5
|
Director |
0.01%
|
6,776
|
$449,113 | — | 08 Jan 2026 | |
| Thierry Fj Vanlancker |
3/4/5
|
Director |
0.01%
|
4,902
|
$324,905 | — | 08 Jan 2026 | |
| BlackRock, Inc. |
13F
|
Company |
13%
|
6,616,051
|
$498,254,817 | — | 31 Mar 2026 | |
| EARNEST PARTNERS LLC |
13F
|
Company |
6%
|
3,158,617
|
$237,875,446 | — | 31 Mar 2026 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
4.3%
|
2,237,491
|
$168,505,514 | — | 31 Mar 2026 | |
| FULLER & THALER ASSET MANAGEMENT, INC. |
13F
|
Company |
3.9%
|
2,048,260
|
$154,254,459 | — | 31 Mar 2026 | |
| STATE STREET CORP |
13F
|
Company |
3.9%
|
2,027,336
|
$152,678,674 | — | 31 Mar 2026 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
3.3%
|
1,742,782
|
$131,253,484 | — | 31 Mar 2026 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
2.9%
|
1,516,178
|
$114,183,344 | — | 31 Mar 2026 | |
| FMR LLC |
13F
|
Company |
2.6%
|
1,363,425
|
$102,679,583 | — | 31 Mar 2026 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.6%
|
1,354,691
|
$102,040,365 | — | 31 Mar 2026 | |
| SEI INVESTMENTS CO |
13F
|
Company |
2%
|
1,051,578
|
$79,194,354 | — | 31 Mar 2026 | |
| T. Rowe Price Investment Management, Inc. |
13F
|
Company |
1.9%
|
976,271
|
$73,523,000 | — | 31 Mar 2026 | |
| SNYDER CAPITAL MANAGEMENT L P |
13F
|
Company |
1.8%
|
925,323
|
$69,686,075 | — | 31 Mar 2026 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
1.6%
|
851,213
|
$64,104,817 | — | 31 Mar 2026 | |
| MORGAN STANLEY |
13F
|
Company |
1.5%
|
797,413
|
$60,053,231 | — | 31 Mar 2026 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
1.4%
|
745,787
|
$56,165,219 | — | 31 Mar 2026 | |
| Invesco Ltd. |
13F
|
Company |
1.2%
|
640,100
|
$48,205,932 | — | 31 Mar 2026 | |
| Bank of New York Mellon Corp |
13F
|
Company |
1.2%
|
634,226
|
$47,763,584 | — | 31 Mar 2026 | |
| NORTHERN TRUST CORP |
13F
|
Company |
1.2%
|
631,594
|
$47,565,345 | — | 31 Mar 2026 | |
| LSV ASSET MANAGEMENT |
13F
|
Company |
1.1%
|
592,700
|
$44,636,000 | — | 31 Mar 2026 | |
| FIDUCIARY TRUST CO |
13F
|
Company |
1%
|
536,669
|
$40,416,542 | — | 31 Mar 2026 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
0.93%
|
484,987
|
$36,525,000 | — | 31 Mar 2026 | |
| Capital Research Global Investors |
13F
|
Company |
0.89%
|
462,691
|
$34,845,259 | — | 31 Mar 2026 | |
| Lightrock Netherlands B.V. |
13F
|
Company |
0.81%
|
422,279
|
$30,725,020 | — | 31 Mar 2026 | |
| ProShare Advisors LLC |
13F
|
Company |
0.7%
|
366,321
|
$27,587,635 | — | 31 Mar 2026 | |
| VANGUARD FIDUCIARY TRUST CO |
13F
|
Company |
0.7%
|
363,432
|
$27,370,064 | — | 31 Mar 2026 | |
| NEW YORK STATE COMMON RETIREMENT FUND |
13F
|
Company |
0.65%
|
338,085
|
$25,461,181 | — | 31 Mar 2026 | |
| HANCOCK WHITNEY CORP |
13F
|
Company |
0.6%
|
312,954
|
$23,831,101 | — | 31 Mar 2026 | |
| UBS Group AG |
13F
|
Company |
0.55%
|
287,453
|
$21,648,086 | — | 31 Mar 2026 | |
| LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA |
13F
|
Company |
0.55%
|
286,044
|
$21,344,603 | — | 31 Mar 2026 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.48%
|
251,515
|
$18,941,604 | — | 31 Mar 2026 | |
| Man Group plc |
13F
|
Company |
0.45%
|
233,680
|
$17,598,441 | — | 31 Mar 2026 | |
| NATIXIS ADVISORS, LLC |
13F
|
Company |
0.44%
|
228,461
|
$17,205,000 | — | 31 Mar 2026 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
0.44%
|
227,424
|
$17,127,310 | — | 31 Mar 2026 | |
| Fiera Capital Corp |
13F
|
Company |
0.43%
|
225,519
|
$16,983,836 | — | 31 Mar 2026 | |
| Leeward Investments, LLC - MA |
13F
|
Company |
0.43%
|
224,735
|
$16,924,793 | — | 31 Mar 2026 | |
| EASTERN BANK |
13F
|
Company |
0.43%
|
222,059
|
$16,723,263 | — | 31 Mar 2026 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
0.42%
|
221,499
|
$16,681,065 | — | 31 Mar 2026 | |
| JONES FINANCIAL COMPANIES LLLP |
13F
|
Company |
0.41%
|
214,830
|
$15,921,083 | — | 31 Mar 2026 | |
| CAISSE DE DEPOT ET PLACEMENT DU QUEBEC |
13F
|
Company |
0.41%
|
212,435
|
$15,998,480 | — | 31 Mar 2026 | |
| VICTORY CAPITAL MANAGEMENT INC |
13F
|
Company |
0.35%
|
183,694
|
$13,833,995 | — | 31 Mar 2026 |
Recent Insider Transactions by Companies or Individuals for CABOT CORP
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Raffiq Nathoo | CBT | Phantom Stock Units | Award | 24.4% | 315 | 1,608 | 31 Mar 2026 | Direct | ||
| Lisa M. Dumont | CBT | Phantom Stock Units | Award | 0.65% | 4.75 | 739 | 13 Mar 2026 | Direct | ||
| Erica McLaughlin | CBT | Phantom Stock Units | Award | 0.65% | 65.92 | 10,246 | 13 Mar 2026 | Direct | ||
| Douglas G. Delgrosso | CBT | Phantom Stock Units | Award | 0.65% | 33.05 | 5,137 | 13 Mar 2026 | Direct | ||
| Sean D. Keohane | CBT | Phantom Stock Units | Award | 0.65% | 306 | 47,491 | 13 Mar 2026 | Direct | ||
| Raffiq Nathoo | CBT | Phantom Stock Units | Award | 0.65% | 8.32 | 1,292 | 13 Mar 2026 | Direct | ||
| Karen A. Kalita | CBT | Phantom Stock Units | Award | 0.65% | 33.98 | 5,281 | 13 Mar 2026 | Direct | ||
| William F. Masterson III | CBT | Phantom Stock Units | Award | 0.65% | 3.37 | 524 | 13 Mar 2026 | Direct | ||
| Cabot Juan Enriquez | CBT | Common Stock | Award | 1.18% | 486 | 41,526 | 08 Jan 2026 | Direct | ||
| Raffiq Nathoo | CBT | Common Stock | Award | 33% | 2,298 | 9,266 | 08 Jan 2026 | Direct | ||
| Douglas G. Delgrosso | CBT | Common Stock | Award | 18% | 2,298 | 15,079 | 08 Jan 2026 | Direct | ||
| Thierry Fj Vanlancker | CBT | Common Stock | Award | 88.2% | 2,298 | 4,902 | 08 Jan 2026 | Direct | ||
| Michelle Elizabeth Williams | CBT | Common Stock | Award | 51.3% | 2,298 | 6,776 | 08 Jan 2026 | Direct | ||
| Michael M. Morrow | CBT | Common Stock | Award | 11.5% | 2,298 | 22,302 | 08 Jan 2026 | Direct | ||
| Christine Y. Yan | CBT | Common Stock | Award | 15.4% | 2,298 | 17,171 | 08 Jan 2026 | Direct | ||
| Frank Anders Wilson | CBT | Common Stock | Award | 14.1% | 2,298 | 18,552 | 08 Jan 2026 | Direct | ||
| Cynthia A. Arnold | CBT | Common Stock | Award | 13.3% | 2,298 | 19,620 | 08 Jan 2026 | Direct | ||
| William C. Kirby | CBT | Common Stock | Award | 1.79% | 486 | 27,688 | 08 Jan 2026 | Direct | ||
| Raffiq Nathoo | CBT | Phantom Stock Units | Award | 38.7% | 358 | 1,284 | 31 Dec 2025 | Direct | ||
| Raffiq Nathoo | CBT | Phantom Stock Units | Conversion of derivative security | -78.5% | -3,384 | 926 | 31 Dec 2025 | Direct | ||
| Cabot Juan Enriquez | CBT | Phantom Stock Units | Award | 0.75% | 415 | 55,405 | 31 Dec 2025 | Direct | ||
| Lisa M. Dumont | CBT | Phantom Stock Units | Award | 33% | 182 | 734 | 31 Dec 2025 | Direct | ||
| Karen A. Kalita | CBT | Phantom Stock Units | Award | 21.3% | 922 | 5,247 | 31 Dec 2025 | Direct | ||
| Erica McLaughlin | CBT | Phantom Stock Units | Award | 11.3% | 1,035 | 10,180 | 31 Dec 2025 | Direct | ||
| William F. Masterson III | CBT | Phantom Stock Units | Award | 78.3% | 229 | 520 | 31 Dec 2025 | Direct | ||
| Sean D. Keohane | CBT | Phantom Stock Units | Award | 5.74% | 2,563 | 47,186 | 31 Dec 2025 | Direct | ||
| Erica McLaughlin | CBT | Phantom Stock Units | Award | 0.66% | 59.83 | 9,145 | 12 Dec 2025 | Direct | ||
| Cabot Juan Enriquez | CBT | Phantom Stock Units | Award | 0.66% | 360 | 54,990 | 12 Dec 2025 | Direct | ||
| Raffiq Nathoo | CBT | Phantom Stock Units | Award | 0.66% | 28.19 | 4,310 | 12 Dec 2025 | Direct | ||
| Karen A. Kalita | CBT | Phantom Stock Units | Award | 0.66% | 28.29 | 4,325 | 12 Dec 2025 | Direct | ||
| William F. Masterson III | CBT | Phantom Stock Units | Award | 0.66% | 1.91 | 292 | 12 Dec 2025 | Direct | ||
| Lisa M. Dumont | CBT | Phantom Stock Units | Award | 0.66% | 3.61 | 552 | 12 Dec 2025 | Direct | ||
| Sean D. Keohane | CBT | Phantom Stock Units | Award | 0.66% | 292 | 44,623 | 12 Dec 2025 | Direct | ||
| Douglas G. Delgrosso | CBT | Phantom Stock Units | Award | 0.66% | 33.39 | 5,104 | 12 Dec 2025 | Direct | ||
| William F. Masterson III | CBT | Common Stock | Award | 93.6% | 3,486 | 7,210 | 03 Dec 2025 | Direct | ||
| William F. Masterson III | CBT | Employee Stock Option (Right to Buy) | Award | 12,767 | 12,767 | 03 Dec 2025 | Direct | |||
| Matthew Forster Wood | CBT | Common Stock | Tax liability | -1.6% | -219 | 13,496 | 19 Nov 2025 | Direct | ||
| Matthew Forster Wood | CBT | Common Stock | Award | 5.14% | 671 | 13,715 | 19 Nov 2025 | Direct | ||
| Karen A. Kalita | CBT | Common Stock | Tax liability | -1.89% | -872 | 45,242 | 19 Nov 2025 | Direct | ||
| Karen A. Kalita | CBT | Common Stock | Award | 22.9% | 8,602 | 46,114 | 19 Nov 2025 | Direct | ||
| Karen A. Kalita | CBT | Employee Stock Option (Right to Buy) | Award | 16,908 | 16,908 | 19 Nov 2025 | Direct | |||
| Lisa M. Dumont | CBT | Common Stock | Tax liability | -1.68% | -200 | 11,715 | 19 Nov 2025 | Direct | ||
| Lisa M. Dumont | CBT | Common Stock | Award | 26.6% | 2,507 | 11,915 | 19 Nov 2025 | Direct | ||
| Erica McLaughlin | CBT | Common Stock | Tax liability | -2.82% | -2,259 | 77,782 | 19 Nov 2025 | Direct | ||
| Erica McLaughlin | CBT | Common Stock | Award | 23.5% | 15,226 | 80,041 | 19 Nov 2025 | Direct | ||
| Erica McLaughlin | CBT | Employee Stock Option (Right to Buy) | Award | 30,998 | 30,998 | 19 Nov 2025 | Direct | |||
| Jeff Ji Zhu | CBT | Common Stock | Tax liability | -1.16% | -998 | 85,337 | 19 Nov 2025 | Direct | ||
| Jeff Ji Zhu | CBT | Common Stock | Award | 15.3% | 11,469 | 86,335 | 19 Nov 2025 | Direct | ||
| Jeff Ji Zhu | CBT | Employee Stock Option (Right to Buy) | Award | 22,544 | 22,544 | 19 Nov 2025 | Direct | |||
| Sean D. Keohane | CBT | Common Stock | Tax liability | -2.49% | -10,338 | 404,134 | 19 Nov 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.