X0202 SCHEDULE 13D/A 0002067353 XXXXXXXX LIVE 1 Common Stock 08/10/2026 false 0000059558 534187109 Lincoln National Corporation

150 N. Radnor-Chester Road Suite A305 Radnor PA 19087

Bain Capital Prairie, LLC 617-516-2000 200 Clarendon Street Boston MA 02116 0002067353 N Bain Capital Prairie, LLC OO N DE 0 18759497 0 18759497 18759497 N 9.8 OO The number of shares outstanding for purposes of the percentage calculation in Item 11 assumes 191,447,336 outstanding shares of the Issuer's Common Stock as of July 24, 2026, as reported by the Issuer in its Quarterly Report on Form 10-Q for the period ended June 30, 2026, filed with the Securities and Exchange Commission on July 30, 2026. Common Stock Lincoln National Corporation 150 N. Radnor-Chester Road Suite A305 Radnor PA 19087 Item 4 is amended and supplemented by adding: In accordance with Section 6.2 of the Stock Purchase Agreement, on August 10, 2026, the Reporting Person informed the Company of its election to sell shares of Common Stock to the Company, as the Company repurchases shares in the open market or in privately negotiated transactions from time to time, to the extent necessary to prevent the Reporting Person from beneficially owning 10% or more of the voting securities of the Company, subject to a floor price equal to the Reporting Person's initial acquisition price of the Common Stock. Bain Capital Prairie, LLC By: Bain Capital Prairie Holdings, LP, its sole member By: Bain Capital Prairie Holdings (GP), LLC, its general partner, Kase Jubboori 08/12/2026