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.
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.
INNOSPEC INC. director Elizabeth K. Arnold reported an equity award from the company. She acquired 1,539 Restricted Stock Units (RSUs) at no purchase price as a grant in connection with her service as a non-employee director. These RSUs vest in full on February 23, 2029, meaning they convert into common shares for her at that time if conditions are met. Following this grant, her directly held common stock and RSU-related holdings total 6,376 shares, reflecting routine stock-based compensation rather than an open-market purchase or sale.
PARRETTE LESLIE J reported acquisition or exercise transactions in this Form 4 filing.
INNOSPEC INC. director Leslie J. Parrette reported an equity award of 1,539 shares of common stock in the form of Restricted Stock Units. The RSUs were granted in connection with Parrette’s service as a non-employee director and will vest in full on February 23, 2029. After this grant, Parrette directly holds 7,376 shares of common stock.
Innospec Inc. director David Landless received an equity award rather than buying shares on the market. He acquired 1,539 shares of common stock through a grant of restricted stock units that vest in full on February 23, 2029, for his service as a non-employee director. After this award, he holds 8,226 shares directly.
INNOSPEC INC. director Claudia Poccia reported an equity award on Form 4. She acquired 1,539 Restricted Stock Units (RSUs) tied to common stock, granted for her service as a non-employee director. These RSUs vest in full on February 23, 2029.
After this grant, Poccia directly holds a total of 6,627 shares or share-equivalent units of the company’s common stock. The transaction reflects a compensation-related stock award rather than an open-market purchase or sale.
Innospec director Milton C. Blackmore reported a mix of equity awards, option exercises, and share sales. He received 1,539 restricted stock units that vest in full on February 23, 2029 as compensation for his service as a non-employee director. On February 20, 2026, he exercised stock options for 1,030 shares of common stock at $44.18 per share and sold 1,030 shares of common stock in an open-market transaction at an average price of $81.8409 per share. After these transactions, his directly held common stock, including RSUs, was reported at 11,124 shares.
Innospec Inc. director Larry Padfield reported multiple equity transactions. He received a grant of 1,539 Restricted Stock Units that vest in full on February 23, 2029 for his service as a non-employee director. He also exercised stock options for 1,030 shares at $44.18 per share and sold 1,030 common shares in an open-market transaction at an average price of $81.8409 per share. After these transactions, he directly owned 10,047 common shares.
INNOSPEC INC. senior vice president Corbin Barnes reported an equity award in company stock. On February 16, 2026, he acquired 1,730 shares of common stock at a stated price of $0.00 per share through the settlement of a performance-based restricted stock unit award granted on February 27, 2023.
After this grant, Barnes directly holds a total of 10,764.6117 shares of Innospec common stock. The transaction reflects equity compensation rather than an open-market purchase or sale.
Innospec Inc. senior vice president of human resources Hardy Louis Griffin III acquired 1,299 shares of common stock through a grant/award on settlement of a performance-based restricted stock unit granted on February 27, 2023. Following this award, his direct ownership stands at 8,041 common shares.