Mussetter Sarah A. 4

What Happened

• Sarah A. Mussetter, Chief Legal Officer of Red Robin Gourmet Burgers (RRGB), had 4,037 shares disposed of on 2026-03-16 at $3.2108 per share, generating proceeds of approximately $12,962. The sale was executed as a sell-to-cover to satisfy tax withholding and fees related to the vesting of restricted stock units.

Key Details

• Transaction type: Sale (S) — open market/private sale reported as sell-to-cover
• Date of transaction: 2026-03-16; Form 4 filed 2026-03-17 (timely)
• Price per share: $3.2108; shares sold in a single transaction
• Total proceeds: ~$12,962
• Shares owned/reported after transaction: includes 73,004 time-based restricted stock units subject to vesting/forfeiture restrictions (per filing footnote)
• Relevant footnotes:
  • F1: Sale was by the issuer on behalf of the reporting person to cover tax withholding for the vesting of 8,813 time-based RSUs granted March 13, 2024 — not a discretionary trade.
  • F2: Price is the actual sale price ($3.2108).
  • F3: Indicates 73,004 time-based RSUs remain subject to vesting/forfeiture.

Context

• This was a routine sell-to-cover transaction to meet tax obligations arising from RSU vesting, which insiders commonly use and which does not necessarily indicate a change in sentiment about the company.