Form 4 for RRGB RED ROBIN GOURMET BURGERS INC

Accepted 2026-09-23 16:55:56 ET · period of report 2026-09-22 · accession 0002075568-26-000003 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
M	2026-09-23 16:55	2026-09-22	RRGB	Kassem Humera	CHRO	F - Tax	$7.47	-4,544	26.5K	-15%	-$33.9K

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2026-09-22	F	D	1,800	$7.47	29,287	D	—	—	(F1) In connection with the vesting of 7,680 time-based restricted stock units that were granted on September 22, 2025, under the issuer's 2024 Performance Incentive Plan, as amended, the issuer withheld 1,800 of such shares to satisfy tax withholding obligations. The transaction was approved by the issuer's Compensation Committee in accordance with Rule 16b-3(d)(1) of the Exchange Act (the "Act"), and as such, is exempt from Section 16(b) of the Act pursuant to Rule 16b-3(e) promulgated thereunder.
2	Common	Common Stock	2026-09-22	F	D	2,744	$7.47	26,543	D	—	—	(F2) In connection with the vesting of 11,704 time-based restricted stock units that were granted on September 22, 2025, under the issuer's 2024 Performance Incentive Plan, as amended, the issuer withheld 2,744 of such shares to satisfy tax withholding obligations. The transaction was approved by the issuer's Compensation Committee in accordance with Rule 16b-3(d)(1) of the Exchange Act (the "Act"), and as such, is exempt from Section 16(b) of the Act pursuant to Rule 16b-3(e) promulgated thereunder. (F3) Includes 11,703 shares subject to vesting and forfeiture restrictions.