Christopher Griffith, Chief Operating Officer of American Coastal Insurance Corp (NASDAQ:ACIC), filed a Form 4 on August 19, 2026, disclosing the exercise of nonqualified stock options and the sale of common shares on August 17, 2026.

Key Highlights

  • Option exercise: Griffith acquired 19,672 shares of common stock via an "M" (exercise) transaction at a conversion price of $4.33 per share on August 17, 2026.
  • First sale: 19,672 shares were disposed of at $9.41 per share on August 17, 2026.
  • Second sale: An additional 22,000 shares were disposed of at $9.40 per share on the same date.
  • Remaining ownership: Following all reported transactions, Griffith directly beneficially owned 118,724 shares of common stock.
  • Options exhausted: The exercised nonqualified stock options, which had an expiration date of May 4, 2033, were fully disposed of, leaving 0 derivative securities beneficially owned.
  • Vesting note: According to the filing, exercise of the nonqualified award "is subject to vesting over three years with one third, rounded down to the nearest whole share of stock, becoming exercisable in each period."

COO Griffith Exercises Options and Sells Shares in American Coastal Insurance

According to the filing, Christopher Griffith, serving as Chief Operating Officer of American Coastal Insurance Corp, reported three transactions in Table I involving the company's common stock, all dated August 17, 2026. The first transaction, coded "M," reflects the acquisition of 19,672 shares through the exercise of nonqualified stock options at a price of $4.33 per share, bringing his directly held position to 160,396 shares following that transaction.

The filing then discloses two separate dispositions, each coded "S," indicating open-market or equivalent sales. The first sale covered 19,672 shares at $9.41 per share, reducing his direct holdings to 140,724 shares. A second sale of 22,000 shares followed at $9.40 per share, leaving Griffith with a directly held position of 118,724 shares of common stock after all reported activity.

In Table II, the filing reports the exercise of 19,672 nonqualified stock options with a conversion or exercise price of $4.33, expiring May 4, 2033, at a derivative security price of $0.00. After the exercise, Griffith's beneficial ownership of those derivative securities stood at 0. The form was signed by Alexander Baty as Attorney-in-Fact for Christopher Griffith and was filed on August 19, 2026.

What Was Disclosed

The filing discloses that ACIC's COO exercised 19,672 nonqualified stock options on August 17, 2026, and on the same date sold a combined 41,672 shares, resulting in a remaining direct beneficial ownership of 118,724 common shares.