Welcome to our dedicated page for Innospec SEC filings (Ticker: IOSP), 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.
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. 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.
Jones David B. reported acquisition or exercise transactions in this Form 4 filing.
Innospec Inc. executive David B. Jones, who serves as SVP, General Counsel and Chief Compliance Officer, reported receiving an equity award tied to the company’s common stock. The filing shows a grant of 2,993 restricted stock units on February 23, 2026, which will vest in full on February 23, 2029.
After this grant, Jones is shown as beneficially owning 16,596 shares of Innospec common stock in total. This transaction reflects stock-based compensation rather than an open-market purchase or sale.
Blair Graeme reported acquisition or exercise transactions in this Form 4 filing.
Innospec Inc. reported that Head of Group Finance Graeme Blair received a grant of 520 units of phantom stock on February 23, 2026. Each phantom stock unit is economically equivalent to one share of Innospec common stock and is scheduled to settle in cash on the award’s expiration date based on the closing share price at that time.
MCROBBIE IAN MALCOLM reported acquisition or exercise transactions in this Form 4 filing.
Innospec Inc. executive Ian Malcolm McRobbie, Senior VP R&T, reported an award of 2,228 shares of phantom stock on February 23, 2026. This is a compensation grant recorded at a price of $0.00 per unit, bringing his reported phantom stock holdings to 2,228 units.
Each phantom stock share is economically equivalent to one share of Innospec common stock but will settle in cash rather than stock. The cash payout is scheduled for the award’s expiration date and will be based on the closing price of Innospec common stock on that date.