Innospec Inc. filings document the financial reporting, governance and capital-return disclosures of a specialty chemicals operating company. Form 8-K reports record quarterly and annual results, segment commentary for Performance Chemicals, Fuel Specialties and Oilfield Services, Regulation FD disclosures, semi-annual dividends and board-authorized common stock repurchase programs.
The company’s proxy materials describe annual meeting matters, director elections, executive compensation votes, auditor ratification and related governance procedures. Its filings also identify IOSP common stock as a NASDAQ-listed security and provide formal disclosure around results of operations, financial condition, risk-related business context and shareholder voting matters.
Innospec Inc. senior vice president of human resources Hardy Louis Griffin III reported a small insider transaction related to equity compensation. On vesting of a restricted stock unit award, 401 shares of common stock were automatically withheld at $78.34 per share to cover income tax obligations, rather than being an open‑market trade. After this tax-withholding disposition, Griffin directly owned 10,161 common shares, reflecting his remaining equity stake in the company.
Innospec Inc. director David Landless reported an open-market sale of 594 shares of Innospec common stock at an average price of $76.5562 per share on February 27, 2026. After this transaction, he directly holds 7,632 shares of the company’s common stock.
Innospec Inc. senior vice president, general counsel and chief compliance officer David B. Jones reported two stock transactions. He sold 1,028 shares of common stock in an open-market sale at $75.64 per share and had 875 shares withheld to cover taxes upon vesting of restricted stock units. After these transactions, he directly owned 14,693 shares of Innospec common stock.
Innospec Inc. SVP Corbin Barnes reported a tax-related share disposition. On February 27, 2026, 166 shares of common stock were withheld at $78.34 per share to cover income taxes due upon vesting of a restricted stock unit award. After this tax-withholding transaction, Barnes directly held 13,079.6117 Innospec common shares.
Innospec Inc. executive vice president and CFO Ian Cleminson reported an open-market sale of 2,380 shares of common stock at a price of $76.56 per share. After this transaction, he directly holds 20,357 shares of Innospec common stock.
Innospec Inc. President & CEO Patrick Williams reported a tax-related share disposition. On February 27, 2026, 7,966 shares of common stock were withheld at $78.34 per share to settle income tax owed on a restricted stock unit vesting, leaving him with 231,535 shares held directly.
BARNES CORBIN reported acquisition or exercise transactions in this Form 4 filing.
Innospec Inc.'s Senior Vice President of Corporate Development and Investor Relations, Corbin Barnes, received an equity award in the form of restricted stock units. The grant covers 2,481 RSUs of common stock at no cash cost and vests in full on February 23, 2029.
Following this award, Barnes now directly holds a total of 13,245.6117 shares of Innospec common stock, aligning his compensation more closely with the company’s long-term share performance.
INNOSPEC INC. senior vice president of human resources Hardy Louis Griffin III reported an equity award under the company’s compensation program. On February 23, 2026, he acquired 2,521 shares of common stock in the form of restricted stock units granted at no cash cost, which will vest in full on February 23, 2029. Following this grant, his directly owned common stock holdings total 10,562 shares.
Cleminson Ian reported acquisition or exercise transactions in this Form 4 filing.
Innospec Inc. reported that Executive Vice President and Chief Financial Officer Ian Cleminson received a grant of 4,499 shares of common stock in the form of restricted stock units. These RSUs were granted on February 23, 2026 and will vest in full on February 23, 2029. After this award, Cleminson directly holds 22,737 shares of Innospec common stock.
Williams Patrick reported acquisition or exercise transactions in this Form 4 filing.
INNOSPEC INC. President & CEO Patrick Williams received an equity award of 20,846 Restricted Stock Units (RSUs) on February 23, 2026, recorded at a price of $0.00 per unit as a grant or award. These RSUs vest in full on February 23, 2029. Following this grant, his directly held common stock position is reported at 239,501 shares.