Robbins Kristina 4

What Happened Kristina Robbins, Executive Vice President and Chief Operations Officer of First Interstate BancSystem, had 1,241 shares of common stock withheld on March 16, 2026 to satisfy tax withholding obligations related to the vesting of previously reported restricted stock units (RSUs). The shares were valued at $33.22 each, for a total of approximately $41,226. This was a tax-withholding surrender of shares (routine), not an open-market sale or new purchase.

Key Details

• Transaction date and price: March 16, 2026 — 1,241 shares withheld at $33.22 per share (total ~$41,226).
• Transaction code: F (shares withheld to satisfy tax withholding upon vesting).
• Footnote: F1 confirms the shares were withheld to satisfy the reporting person’s tax withholding obligations on vesting of a previously reported RSU award.
• Shares owned after transaction: Not disclosed in the provided filing.
• Filing date: Report filed March 18, 2026 for a March 16, 2026 transaction — appears to be timely.

Context This was a routine tax-withholding action following RSU vesting (a common cashless method to cover taxes). Such transactions are administrative and do not necessarily indicate the insider’s market view, since shares were surrendered to the company to cover tax liabilities rather than sold on the open market.