Cabot Corporation reported that one of its senior vice presidents acquired additional phantom stock units linked to the company’s common stock. On 12/12/2025, the officer received 1.9091 phantom stock units as shown in the derivative securities table, bringing the total number of phantom stock units beneficially owned to 291.8366, held directly.
According to the footnotes, these phantom stock units are credited on a 1-for-1 basis with Cabot common shares and represent dividends paid on phantom stock units previously acquired under the Corporation’s Supplemental 401(k) Plan. The units are to be settled in connection with the reporting person’s retirement or other termination of employment, meaning the economic value is deferred until the end of the officer’s service.
Cabot Corp executive Lisa M. Dumont, VP, Controller & CAO, reported a routine insider transaction involving phantom stock units linked to Cabot common stock. On 12/12/2025, she acquired 3.6084 phantom stock units as dividends under the company’s Supplemental 401(k) Plan at a reference price of $68.34 per share.
Each phantom stock unit represents a 1-for-1 interest in Cabot common stock and is scheduled to be settled in shares upon her retirement or other termination of employment. Following this transaction, Dumont beneficially owns 551.597 phantom stock units, held directly.
Cabot Corp reported an insider equity change for its President and CEO, who is also a director. On 12/12/2025, the reporting person acquired 291.9071 phantom stock units with a reported price of $ 68.34 per unit, coded as an acquisition. These units were credited as dividends on phantom stock units under the company’s Supplemental 401(k) Plan.
Each phantom stock unit is linked 1-for-1 to Cabot common stock, with 291.9071 shares underlying this transaction. After this credit, the reporting person beneficially owned 44,622.8712 phantom stock units, held directly, which are scheduled to be settled upon retirement or other termination of employment.
Cabot Corporation director Doug G. Del Grosso reported a small insider transaction involving derivative equity. On 12/12/2025, he acquired 33.39 phantom stock units linked to Cabot common stock in a transaction coded as an "A" acquisition. The derivative security shows a price of $68.34.
Each phantom stock unit is described as having a 1-for-1 relationship to Cabot common stock, and the reported units represent dividends paid on phantom stock units acquired under the company’s Non-Employee Director's Deferral Plan. These units will be settled either upon his termination of service as a director or according to his distribution election, whichever occurs first. Following this transaction, Del Grosso beneficially owns 5,104.2066 phantom stock units.
Cabot Corporation reported an equity compensation grant to Senior Vice President William F. Masterson III. On December 3, 2025, he acquired 3,486 shares of Cabot common stock at a price of $0, increasing his directly held stake to 7,210 shares. This indicates a stock award rather than an open-market purchase.
On the same date, he also received an employee stock option to buy 12,767 Cabot common shares at an exercise price of $64.54 per share. The option is scheduled to vest over three years: 30% on December 3, 2026, 30% on December 3, 2027, and 40% on December 3, 2028, and will expire on December 2, 2035. These awards align his compensation more closely with Cabot’s long-term share performance.
Cabot Corporation reported the equity holdings of Senior Vice President William F. Masterson III in a beneficial ownership statement. He directly owns 3,724 shares of Cabot common stock, which include 942 performance-based units earned on Cabot's performance in fiscal years 2024 and 2025 that remain subject to time-based vesting, and 1,801 units that are subject to time-based vesting only. He also holds 289.9275 shares of phantom stock, each economically equivalent to one Cabot common share, which will be settled in Cabot common stock when his employment with the company ends.
Cabot Corporation files its annual report outlining its global specialty chemicals and performance materials business across Reinforcement Materials and Performance Chemicals. The company highlights key growth platforms including engineered elastomer composites (E2C), EVOLVE Sustainable Solutions, battery materials, fumed metal oxides, aerogel and inkjet colorants.
Cabot operates in over 20 countries, with significant exposure to China, where in fiscal 2025 about 25% of revenues were generated and roughly 21% of property, plant and equipment were located as of September 30, 2025. The company completed an 80,000 metric ton capacity expansion for reinforcing carbons in Cilegon, Indonesia and is investing in battery materials and specialty carbons capacity.
Cabot spent $74 million on environmental capital expenditures in fiscal 2025 and expects about $60 million in fiscal 2026, including U.S. air-emissions controls with an estimated total cost of $270 million, of which $241 million had been incurred by September 30, 2025. The company reports approximately 4,064 employees and a 2025 total recordable incident rate of 0.17, emphasizing safety, sustainability, and human capital development as core priorities.
Cabot Corporation (CBT) reported an insider equity transaction by its Senior Vice President on a Form 4. On 11/19/2025, the officer acquired 671 shares of Cabot common stock at a reported price of $0, reflecting performance-based units earned for fiscal year 2025, with a portion still subject to time-based vesting. On the same date, 219 shares were disposed of at $59.76, typically consistent with shares withheld or sold to cover taxes. After these transactions, the officer directly owns 13,496 Cabot shares.
Cabot Corporation (CBT) senior vice president and general counsel Karen A. Kalita reported equity awards and related share activity on a Form 4 dated for transactions on 11/19/2025.
She acquired 4,518 shares of common stock at a stated price of $0, increasing her direct holdings. She also acquired 4,084 common shares at a stated price of $0, described as performance-based units earned for fiscal 2025, with 2,931 of those still subject to time-based vesting. To cover obligations associated with these awards, 872 shares were disposed of at $59.76 per share.
Following these transactions, she directly held 45,242 common shares and indirectly held 577.005 shares through the trustee for the corporation’s 401(k) plan. In addition, she was granted an employee stock option for 16,908 shares of common stock with an exercise price of $59.76 per share, expiring on 11/18/2035, vesting 30% on 11/19/2026, 30% on 11/19/2027, and 40% on 11/19/2028.
Cabot Corporation (CBT) officer Lisa M. Dumont, VP, Controller & CAO, reported equity transactions in company stock on a Form 4 dated 11/19/2025. She acquired 1,606 shares of common stock at $0 and an additional 901 performance-based units at $0, reflecting awards tied to the corporation's fiscal 2025 performance, of which 637 units remain subject to time-based vesting. She also disposed of 200 shares of common stock at $59.76 in a transaction coded as tax withholding (code F). After these transactions, she directly beneficially owned 11,715 shares of Cabot common stock and indirectly held 1,598.5907 shares through the trustee for the corporation's 401(k) plan.