Welcome to our dedicated page for Cabot SEC filings (Ticker: CBT), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Cabot Corporation filings document the public reporting of a NYSE-listed specialty chemicals and performance materials company with common stock trading under CBT. Its 8-K filings furnish quarterly operating results and segment disclosures for Reinforcement Materials and Performance Chemicals, including revenue, EPS, segment EBIT, dividend actions, product-line trends and capital allocation items.
Cabot’s proxy and annual meeting filings cover board structure, director elections, advisory executive compensation votes, auditor ratification and related governance matters. Other current reports record board-class adjustments and Exchange Act disclosures tied to the company’s registered common stock and corporate governance framework.
Cabot Corporation reported a routine insider equity transaction by one of its directors. On 12/12/2025, the director acquired 28.1918 phantom stock units at a price of $68.34 per unit under Cabot’s Non-Employee Director's Deferral Plan. These units are designed to mirror the value of Cabot common stock on a one-for-one basis.
The 28.1918 units represent dividends paid on existing phantom stock unit holdings and will be settled either when the director’s board service ends or according to the director’s prior distribution election, whichever happens first. Following this transaction, the director beneficially owns a total of 4,309.5886 phantom stock units, held directly.
Cabot Corporation senior vice president and general counsel Karen A. Kalita reported an acquisition of derivative securities tied to company stock. On 12/12/2025, she was credited with 28.2916 phantom stock units under Cabot's Supplemental 401(k) Plan, recorded at a derivative security price of $68.34 per unit.
Each phantom stock unit represents the right to receive one share of Cabot common stock on a 1-for-1 basis, to be settled upon her retirement or other termination of employment. Following this dividend-equivalent credit, she beneficially owned a total of 4,324.8482 phantom stock units, held directly.
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.