X0202 SCHEDULE 13G/A 0001542769 XXXXXXXX LIVE 1 Common Stock 03/31/2026 0002069604 Park Dental Partners, Inc. 700402100 2200 COUNTY ROAD C WEST SUITE 2210 ROSEVILLE MN 55113 Rule 13d-1(c) AO Partners I, LP a DE 0 125977 0 125977 125977 2.61 OO Park Investors LLC a DE 0 169231 0 169231 169231 3.75 OO AO Partners LLC a DE 0 125977 0 125977 125977 2.61 OO Swenson Nicholas John a X1 0 295208 0 295208 295208 6.36 IN Park Dental Partners, Inc. 2200 COUNTY ROAD C WEST, SUITE 2210, ROSEVILLE, Minnesota, 55113 AO Partners I, LP Park Investors LLC AO Partners LLC Nicholas John Swenson 5000 W 36th Street, Suite 200, Minneapolis, MN 55416 Each entity was organized in Delaware. Mr. Swenson is a U.S. citizen. Y 295,208 6.36 0 125,977 AO Partners I LP 169,231 Park Investors LLC 125,977 AO Partners LLC 295,208 Nicholas John Swenson 0 125,977 AO Partners I LP 169,231 Park Investors LLC 125,977 AO Partners LLC 295,208 Nicholas John Swenson N Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. AO Partners I, LP /s/ Nicholas J. Swenson 06/05/2026 Park Investors LLC /s/ Nicholas J. Swenson 06/05/2026 AO Partners LLC /s/ Nicholas J. Swenson 06/05/2026 Swenson Nicholas John /s/ Nicholas J. Swenson 06/05/2026