Masterson William F Iii
Senior Vice President
Award
Calculated transaction value
$1.86K
24.15 shares @ $76.91
Traded
Sep 30, 2026
Filed
Oct 1, 2026
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Cabot Corporation
CBT
ManufacturingChemicals
Transactions reported in official disclosures
Price with disclosed trades
Daily closes, past year · marks sit on transaction dates, sized by value
30 trades
| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| Masterson William F Iii Senior Vice President | Oct 1, 2026 1-day lag | Award Sep 30, 2026 | $1.86K Filed shares x price | SEC Form 4 View filing | |
| Mclaughlin Erica Executive Vice President, CFO | Oct 1, 2026 1-day lag | Award Sep 30, 2026 | $7.19K Filed shares x price | SEC Form 4 View filing | |
| Kalita Karen A SVP And General Counsel | Oct 1, 2026 1-day lag | Award Sep 30, 2026 | $3.45K Filed shares x price | SEC Form 4 View filing | |
| Keohane Sean D President And CEO | Oct 1, 2026 1-day lag | Award Sep 30, 2026 | $26.63K Filed shares x price | SEC Form 4 View filing | |
| Nathoo Raffiq Director | Oct 1, 2026 1-day lag | Award Sep 30, 2026 | $27.75K Filed shares x price | SEC Form 4 View filing | |
| Mclaughlin Erica Executive Vice President, CFO | Sep 14, 2026 3-day lag | Award Sep 11, 2026 | $4.87K Filed shares x price | SEC Form 4 View filing | |
| Masterson William F Iii Senior Vice President | Sep 14, 2026 3-day lag | Award Sep 11, 2026 | $248.83 Filed shares x price | SEC Form 4 View filing | |
| Nathoo Raffiq Director | Sep 14, 2026 3-day lag | Award Sep 11, 2026 | $887.32 Filed shares x price | SEC Form 4 View filing | |
| Dumont Lisa M VP, Controller & CAO | Sep 14, 2026 3-day lag | Award Sep 11, 2026 | $350.9 Filed shares x price | SEC Form 4 View filing | |
| Delgrosso Douglas G Director | Sep 14, 2026 3-day lag | Award Sep 11, 2026 | $2.44K Filed shares x price | SEC Form 4 View filing | |
| Keohane Sean D President And CEO | Sep 14, 2026 3-day lag | Award Sep 11, 2026 | $22.6K Filed shares x price | SEC Form 4 View filing | |
| Kalita Karen A SVP And General Counsel | Sep 14, 2026 3-day lag | Award Sep 11, 2026 | $2.51K Filed shares x price | SEC Form 4 View filing | |
| Keohane Sean D President And CEO | Aug 31, 2026 3-day lag | Exercise Aug 28, 2026 | $6.74M Filed shares x price | SEC Form 4 View filing | |
| Keohane Sean D President And CEO | Aug 31, 2026 3-day lag | Exercise Aug 28, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Keohane Sean D President And CEO | Aug 31, 2026 3-day lag | Sale Aug 28, 2026 | $11.47M Filed shares x price | SEC Form 4 View filing | |
| Keohane Sean D President And CEO | Aug 26, 2026 2-day lag | Exercise Aug 24, 2026 | $138.95K Filed shares x price | SEC Form 4 View filing | |
| Keohane Sean D President And CEO | Aug 26, 2026 2-day lag | Exercise Aug 24, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Keohane Sean D President And CEO | Aug 26, 2026 2-day lag | Sale Aug 24, 2026 | $237.6K Filed shares x price | SEC Form 4 View filing | |
| Keohane Sean D President And CEO | Aug 11, 2026 4-day lag | Exercise Aug 7, 2026 | $5.72M Filed shares x price | SEC Form 4 View filing | |
| Keohane Sean D President And CEO | Aug 11, 2026 4-day lag | Exercise Aug 7, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Keohane Sean D President And CEO | Aug 11, 2026 4-day lag | Sale Aug 7, 2026 | $7.94M Filed shares x price | SEC Form 4 View filing | |
| Nathoo Raffiq Director | Jul 2, 2026 2-day lag | Award Jun 30, 2026 | $23.75K Filed shares x price | SEC Form 4 View filing | |
| Keohane Sean D President And CEO | Jul 2, 2026 2-day lag | Award Jun 30, 2026 | $7.6K Filed shares x price | SEC Form 4 View filing | |
| Delgrosso Douglas G Director | Jun 16, 2026 4-day lag | Award Jun 12, 2026 | $2.43K Filed shares x price | SEC Form 4 View filing | |
| Masterson William F Iii Senior Vice President | Jun 16, 2026 4-day lag | Award Jun 12, 2026 | $247.5 Filed shares x price | SEC Form 4 View filing | |
| Dumont Lisa M VP, Controller & CAO | Jun 16, 2026 4-day lag | Award Jun 12, 2026 | $349.02 Filed shares x price | SEC Form 4 View filing | |
| Keohane Sean D President And CEO | Jun 16, 2026 4-day lag | Award Jun 12, 2026 | $22.44K Filed shares x price | SEC Form 4 View filing | |
| Mclaughlin Erica Executive Vice President, CFO | Jun 16, 2026 4-day lag | Award Jun 12, 2026 | $4.84K Filed shares x price | SEC Form 4 View filing | |
| Nathoo Raffiq Director | Jun 16, 2026 4-day lag | Award Jun 12, 2026 | $759.66 Filed shares x price | SEC Form 4 View filing | |
| Kalita Karen A SVP And General Counsel | Jun 16, 2026 4-day lag | Award Jun 12, 2026 | $2.5K Filed shares x price | SEC Form 4 View filing |
Mclaughlin Erica
Executive Vice President, CFO
Award
Calculated transaction value
$7.19K
93.54 shares @ $76.91
Traded
Sep 30, 2026
Filed
Oct 1, 2026
Kalita Karen A
SVP And General Counsel
Award
Calculated transaction value
$3.45K
44.88 shares @ $76.91
Traded
Sep 30, 2026
Filed
Oct 1, 2026
Keohane Sean D
President And CEO
Award
Calculated transaction value
$26.63K
346.26 shares @ $76.91
Traded
Sep 30, 2026
Filed
Oct 1, 2026
Nathoo Raffiq
Director
Award
Calculated transaction value
$27.75K
360.81 shares @ $76.91
Traded
Sep 30, 2026
Filed
Oct 1, 2026
Mclaughlin Erica
Executive Vice President, CFO
Award
Calculated transaction value
$4.87K
61.08 shares @ $79.68
Traded
Sep 11, 2026
Filed
Sep 14, 2026
Masterson William F Iii
Senior Vice President
Award
Calculated transaction value
$248.83
3.12 shares @ $79.68
Traded
Sep 11, 2026
Filed
Sep 14, 2026
Nathoo Raffiq
Director
Award
Calculated transaction value
$887.32
11.14 shares @ $79.68
Traded
Sep 11, 2026
Filed
Sep 14, 2026
Dumont Lisa M
VP, Controller & CAO
Award
Calculated transaction value
$350.9
4.4 shares @ $79.68
Traded
Sep 11, 2026
Filed
Sep 14, 2026
Delgrosso Douglas G
Director
Award
Calculated transaction value
$2.44K
30.63 shares @ $79.68
Traded
Sep 11, 2026
Filed
Sep 14, 2026
Keohane Sean D
President And CEO
Award
Calculated transaction value
$22.6K
283.64 shares @ $79.68
Traded
Sep 11, 2026
Filed
Sep 14, 2026
Kalita Karen A
SVP And General Counsel
Award
Calculated transaction value
$2.51K
31.49 shares @ $79.68
Traded
Sep 11, 2026
Filed
Sep 14, 2026
Keohane Sean D
President And CEO
Exercise
Calculated transaction value
$6.74M
134,895 shares @ $50
Traded
Aug 28, 2026
Filed
Aug 31, 2026
Keohane Sean D
President And CEO
Exercise
Calculated transaction value
$0
134,895 shares @ $0
Traded
Aug 28, 2026
Filed
Aug 31, 2026
Keohane Sean D
President And CEO
Sale
Calculated transaction value
$11.47M
134,895 shares @ $85
Traded
Aug 28, 2026
Filed
Aug 31, 2026
Keohane Sean D
President And CEO
Exercise
Calculated transaction value
$138.95K
2,779 shares @ $50
Traded
Aug 24, 2026
Filed
Aug 26, 2026
Keohane Sean D
President And CEO
Exercise
Calculated transaction value
$0
2,779 shares @ $0
Traded
Aug 24, 2026
Filed
Aug 26, 2026
Keohane Sean D
President And CEO
Sale
Calculated transaction value
$237.6K
2,779 shares @ $85.5
Traded
Aug 24, 2026
Filed
Aug 26, 2026
Keohane Sean D
President And CEO
Exercise
Calculated transaction value
$5.72M
91,923 shares @ $62.24
Traded
Aug 7, 2026
Filed
Aug 11, 2026
Keohane Sean D
President And CEO
Exercise
Calculated transaction value
$0
91,923 shares @ $0
Traded
Aug 7, 2026
Filed
Aug 11, 2026
Keohane Sean D
President And CEO
Sale
Calculated transaction value
$7.94M
91,923 shares @ $86.41
Traded
Aug 7, 2026
Filed
Aug 11, 2026
Nathoo Raffiq
Director
Award
Calculated transaction value
$23.75K
261.51 shares @ $90.82
Traded
Jun 30, 2026
Filed
Jul 2, 2026
Keohane Sean D
President And CEO
Award
Calculated transaction value
$7.6K
83.68 shares @ $90.82
Traded
Jun 30, 2026
Filed
Jul 2, 2026
Delgrosso Douglas G
Director
Award
Calculated transaction value
$2.43K
27.69 shares @ $87.65
Traded
Jun 12, 2026
Filed
Jun 16, 2026
Masterson William F Iii
Senior Vice President
Award
Calculated transaction value
$247.5
2.82 shares @ $87.65
Traded
Jun 12, 2026
Filed
Jun 16, 2026
Dumont Lisa M
VP, Controller & CAO
Award
Calculated transaction value
$349.02
3.98 shares @ $87.65
Traded
Jun 12, 2026
Filed
Jun 16, 2026
Keohane Sean D
President And CEO
Award
Calculated transaction value
$22.44K
256.01 shares @ $87.65
Traded
Jun 12, 2026
Filed
Jun 16, 2026
Mclaughlin Erica
Executive Vice President, CFO
Award
Calculated transaction value
$4.84K
55.23 shares @ $87.65
Traded
Jun 12, 2026
Filed
Jun 16, 2026
Nathoo Raffiq
Director
Award
Calculated transaction value
$759.66
8.67 shares @ $87.65
Traded
Jun 12, 2026
Filed
Jun 16, 2026
Kalita Karen A
SVP And General Counsel
Award
Calculated transaction value
$2.5K
28.47 shares @ $87.65
Traded
Jun 12, 2026
Filed
Jun 16, 2026