Insider Trading March 6, 2026

Innospec Director Disposes of $45K in Stock; Form 4/A Corrects Reported Price

Milton C. Blackmore sold 594 shares on Feb. 27, 2026 as IOSP trades near its 52-week low; InvestingPro flags a sizable fair-value gap

By Nina Shah IOSP
Innospec Director Disposes of $45K in Stock; Form 4/A Corrects Reported Price
IOSP

Innospec director Milton C. Blackmore sold 594 shares of the company's common stock on February 27, 2026, in two transactions totaling approximately $45,472. The trades were executed at prices of $76.30 and $76.79. After the sales, Blackmore directly holds 10,530 shares. The company’s share price is trading near its 52-week low, while InvestingPro’s analysis lists a Fair Value of $95.70 and places the stock on a Most Undervalued list. A Form 4/A was filed to amend a prior Form 4 to correct the reported transaction price in Table I.

Key Points

  • Milton C. Blackmore sold 594 shares on Feb. 27, 2026 in two transactions totaling approximately $45,472.
  • After the sales, Blackmore directly owns 10,530 shares; a Form 4/A amends a March 3, 2026 Form 4 to correct the transaction price in Table I.
  • Innospec shares are trading near a 52-week low ($70.10) at $72.11, while InvestingPro lists a Fair Value of $95.70 and places the company on a Most Undervalued list.

Director sale details

Innospec (NASDAQ:IOSP) director Milton C. Blackmore recorded two sales of common stock on February 27, 2026, disposing of a combined 594 shares for approximately $45,472. The transactions were split into a sale of 287 shares at $76.30 and a sale of 307 shares at $76.79. Following these transactions, Blackmore's direct ownership stands at 10,530 shares of Innospec.

Market context noted in filing

The trades occurred while the company’s share price is trading near a 52-week low of $70.10, with the most recent quoted price at $72.11. The insider transactions were disclosed through a regulatory filing that was subsequently amended. The Form 4/A corrects the transaction price previously reported in Table I of a Form 4 that had been filed on March 3, 2026.

Third-party valuation cited

Separately, InvestingPro analysis referenced in connection with the disclosure points to a Fair Value estimate of $95.70 for Innospec, which places the company on a Most Undervalued list maintained by the platform. The same platform lists additional ProTips for IOSP, noting items such as a strong balance sheet and a dividend track record among those insights that are highlighted in its Pro Research Report.

What the filing documents

The amended Form 4/A replaces the earlier submission to correct the transactional price data in the reporting table. The amendment is limited to that correction as specified in the filing; no other changes to the reported transaction quantities, dates, or resulting ownership were indicated in the correction.


Key points

  • Milton C. Blackmore sold 594 shares on Feb. 27, 2026 in two tranches (287 shares at $76.30; 307 shares at $76.79) totaling about $45,472.
  • After the sales, Blackmore directly owns 10,530 shares of Innospec, and a Form 4/A was filed to correct the transaction price reported in an earlier Form 4.
  • The stock is trading near its 52-week low ($70.10) with a current quote of $72.11, while InvestingPro lists a Fair Value of $95.70 and includes the company on a Most Undervalued list.

Risks and uncertainties

  • The filing amendment indicates an initial reporting error in the transaction price; investors must account for potential reporting corrections when assessing insider activity and timing.
  • The company’s market price is close to its 52-week low, introducing price volatility risk for equity holders and market participants tracking the security.
  • Insights from third-party research referenced (InvestingPro’s Fair Value and ProTips) are presented as platform analysis; access to the full Pro Research Report is required to review the complete set of recommendations and assumptions.

Note: The article presents information as disclosed in the company filing and associated platform analysis. It does not infer motivations or provide additional context beyond the documented transactions and reported valuation figures.

Risks

  • The amendment to the Form 4 indicates a prior reporting error in the transaction price, highlighting filing accuracy risk for market participants.
  • Trading near the 52-week low introduces price volatility risk for investors monitoring the equity.
  • Third-party valuation and ProTips referenced require access to the full Pro Research Report to evaluate assumptions and implications.

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