X0202 SCHEDULE 13G 0001867831 XXXXXXXX LIVE Common Stock, $0.003 par value 03/31/2026 0001278021 Marketaxess Holdings Inc 57060D108 55 Hudson Yards, 15th Floor New York NY 10001 Rule 13d-1(b) North Reef Capital Management LP DE 0.00 1875000.00 0.00 1875000.00 1875000.00 N 5.27 IA PN North Reef Capital Management GP LLC DE 0.00 1875000.00 0.00 1875000.00 1875000.00 N 5.27 OO Limited Liability Company James Hanna, III CA 0.00 1875000.00 0.00 1875000.00 1875000.00 N 5.27 IN Marketaxess Holdings Inc 55 Hudson Yards, 15th Floor New York, NY 10001 North Reef Capital Management LP North Reef Capital Management GP LLC James Hanna, III c/o North Reef Capital Management LP 1833 South Coast Highway Suite 210 Laguna Beach, California 92651 North Reef Capital Management LP - Delaware North Reef Capital Management GP LLC - Delaware James Hanna, III - California N IA HC 1,875,000 5.27% 0 1,875,000 0 1,875,000 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 acquired and are held in the ordinary course of business and 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. EXHIBIT 99.1 - JOINT FILING AGREEMENT North Reef Capital Management LP /s/ Daniel Locasto 05/15/2026 North Reef Capital Management GP LLC /s/ James Hanna, III 05/15/2026 James Hanna, III /s/ James Hanna, III 05/15/2026