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.
The Cabot Corporation (NYSE: CBT) SEC filings page on Stock Titan provides access to the company’s regulatory disclosures filed with the U.S. Securities and Exchange Commission. As a global specialty chemicals and performance materials company, Cabot uses its SEC filings to report financial performance, segment results for Reinforcement Materials and Performance Chemicals, risk factors, sustainability information and corporate governance matters.
Investors can review Cabot’s annual reports on Form 10-K and quarterly reports on Form 10-Q to see detailed discussions of net sales, earnings, segment EBIT, regional volume trends and cash flows, along with commentary on demand conditions in the Americas, Europe, the Middle East and Africa, and Asia Pacific. These filings also describe key product areas such as reinforcing carbons, specialty carbons, battery materials, fumed metal oxides, inkjet colorants, masterbatches and conductive compounds, engineered elastomer composites and aerogel.
Cabot’s current reports on Form 8-K disclose material events, including the release of quarterly operating results, agreements such as the planned acquisition of Mexico Carbon Manufacturing S.A. de C.V. from Bridgestone Corporation, supply arrangements for battery materials and changes in board composition. Form 8-K filings also reference earnings press releases that provide non-GAAP measures like Adjusted EPS, Total Segment EBIT and Adjusted EBITDA, along with reconciliations to GAAP metrics.
Through Stock Titan, users can track Cabot’s real-time filing activity from EDGAR and use AI-powered summaries to interpret complex documents. These summaries highlight key points from lengthy 10-K and 10-Q filings, explain the significance of non-GAAP measures and clarify disclosures about segment performance, sustainability initiatives and capital allocation. The filings page also helps users locate proxy materials and insider transaction reports on Form 4, which provide additional context on executive and director roles, equity-based compensation and share ownership changes.
By consolidating Cabot’s SEC filings with AI-generated insights, this page supports users who want to understand how the company reports on its reinforcing carbons and performance chemicals businesses, evaluates risks and opportunities, and communicates with regulators and investors.
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.
Cabot Corporation reported insider equity activity for its Executive Vice President and CFO, Erica McLaughlin, on a Form 4. On 11/19/2025, she acquired 8,283 shares of Cabot common stock at $0 and an additional 6,943 shares at $0, increasing her direct holdings. The filing also shows a disposition of 2,259 shares at $59.76 per share. After these transactions, she directly owned 77,782 shares and indirectly held 1.6508 shares through the corporation’s 401(k) plan.
The disclosure also records a grant of an employee stock option for 30,998 shares of common stock with an exercise price of $59.76 per share, expiring on 11/18/2035. These options vest over three years: 30% on November 19, 2026, 30% on November 19, 2027, and 40% on November 19, 2028. The filing notes that the 6,943-share award consists of performance-based units earned for fiscal year 2025, of which 5,021 units remain subject to time-based vesting.
Cabot Corporation executive Jeff Ji Zhu reported new equity awards and share movements in company stock. On November 19, 2025, he acquired 6,024 shares of Cabot common stock at $0 per share, and an additional 5,445 performance-based units that converted into common stock at $0. After these transactions, he directly owned 85,337 common shares.
The filing also shows a disposition of 998 common shares at a price of $59.76 per share on the same date. In addition, Zhu received an employee stock option giving him the right to buy 22,544 shares of Cabot common stock at an exercise price of $59.76 per share, expiring on November 18, 2035. These options vest over three years: 30% on November 19, 2026, 30% on November 19, 2027, and 40% on November 19, 2028.
Cabot Corporation President and CEO Sean D. Keohane, who is also a director, reported multiple equity awards dated 11/19/2025. He received 32,630 shares of common stock and an additional 30,932 performance-based units earned on fiscal 2025 results, with 22,630 of those units still subject to time-based vesting.
To cover obligations tied to these awards, 10,338 shares were disposed of at $59.76 per share. After these transactions, Keohane beneficially owned 404,134 Cabot common shares directly and 13,933.1846 shares indirectly through the company’s 401(k) plan. He was also granted an employee stock option for 122,114 shares at an exercise price of $59.76, vesting 30% on November 19, 2026, 30% on November 19, 2027 and 40% on November 19, 2028, expiring on November 18, 2035.