Director Jennifer S. Grafton filed a Form 4 with the SEC on August 12, 2026, disclosing a stock option exercise and subsequent sale of common stock in Dakota Gold Corp. on August 10, 2026.

Key Highlights

  • Option exercise: Grafton exercised 100,000 stock options at an exercise price of $5.09 per share on August 10, 2026.
  • Shares sold: 100,000 shares of common stock were disposed of at a weighted average sale price of $6.1169 per share.
  • Sale price range: Individual transactions occurred at prices ranging from $6.145 to $6.155 per share, according to the filing.
  • Remaining ownership: Following the transactions, Grafton directly held 130,900 shares of common stock.
  • Options expired: The exercised stock options, which had an expiration date of September 13, 2026, are now reduced to zero beneficially owned.
  • Vesting schedule: The filing states the options vested in one-third tranches on September 13, 2021, September 13, 2022, and September 13, 2023.

Grafton's Option Exercise and Sale Transactions at Dakota Gold Corp.

According to the Form 4 filed on August 12, 2026, Jennifer S. Grafton, a director of Dakota Gold Corp. (NYSE:DC), exercised 100,000 stock options on August 10, 2026, at an exercise price of $5.09 per share. This transaction is recorded as an "M" code in the filing, representing an exercise or conversion of derivative securities. Following the exercise, Grafton's direct beneficial ownership in common stock rose to 230,900 shares before the subsequent sale.

On the same date, the filing reports that Grafton disposed of 100,000 shares of common stock at a weighted average sale price of $6.1169 per share, recorded under transaction code "S." The filing notes that "these shares were sold in multiple transactions at prices ranging from $6.145 to $6.155," and that full per-transaction detail is available upon request from the SEC staff, the issuer, or a security holder. After the sale, Grafton's direct beneficial ownership stood at 130,900 shares of common stock.

The stock options exercised carried an expiration date of September 13, 2026, and had an exercise price of $5.09. The filing indicates the options originally vested in one-third tranches on September 13, 2021, September 13, 2022, and September 13, 2023. Following the exercise, the filing reports zero derivative securities beneficially owned by Grafton under this option grant. The Form 4 was signed by Shawn Campbell, acting by power of attorney, on August 12, 2026.

What Was Disclosed

The filing discloses that Director Jennifer S. Grafton exercised 100,000 stock options and sold 100,000 shares of Dakota Gold Corp. common stock on August 10, 2026, leaving her with a direct beneficial ownership of 130,900 shares.