X0202 SCHEDULE 13G/A 0002014854 XXXXXXXX LIVE 2 Common Stock, par value $0.001 per share 06/30/2026 0001636422 Health Catalyst, Inc. 42225T107 10897 SOUTH RIVER FRONT PARKWAY, #300 SOUTH JORDAN UT 84095 Rule 13d-1(c) Stoney Lonesome HF LP a DE 0.00 6772260.00 0.00 6772260.00 6772260.00 N 9.2 PN COGHILL CAPITAL MANAGEMENT LLC a DE 0.00 6772260.00 0.00 6772260.00 6772260.00 N 9.2 OO Drake Helix Holdings, LLC a WY 0.00 320438.00 0.00 320438.00 320438.00 N 0.4 OO CDC Financial, Inc. a IL 0.00 7092698.00 0.00 7092698.00 7092698.00 N 9.6 CO COGHILL CLINT D a X1 2800.00 7092698.00 2800.00 7092698.00 7095498.00 N 9.6 IN Health Catalyst, Inc. 10897 SOUTH RIVER FRONT PARKWAY, #300, SOUTH JORDAN, UTAH 84095 This statement is filed by: (i) Stoney Lonesome HF LP, a Delaware limited partnership ("Stoney Lonesome"), with respect to the shares of Common Stock, par value $0.001 per share, of the Issuer (the "Shares") directly and beneficially owned by it; (ii) Coghill Capital Management, LLC, a Delaware limited liability company ("CCM"), as the general partner of Stoney Lonesome; (iii) The Drake Helix Holdings, LLC, a Wyoming limited liability company ("Drake Helix"), with respect to the Shares directly and beneficially owned by it; (iv) CDC Financial, Inc., an Illinois corporation ("CDC Financial"), as the managing member of each of CCM and Drake Helix; and (v) Clint D. Coghill, with respect to the Shares directly and beneficially owned by him and as the President and sole shareholder of CDC Financial. Each of the foregoing is referred to as a "Reporting Person" and collectively as the "Reporting Persons." The principal business address of each of the Reporting Persons is 222 S Riverside Plaza, 15th Floor, Chicago, Illinois 60606. Each of Stoney Lonesome and CCM is organized under the laws of the State of Delaware. Drake Helix is organized under the laws of the State of Wyoming. CDC Financial is organized under the laws of the State of Illinois. Mr. Coghill is a citizen of the United States of America. Y As of the close of business on June 30, 2026: (i) Stoney Lonesome directly beneficially owned 6,772,260 Shares; (ii) CCM, as the general partner of Stoney Lonesome, may be deemed the beneficial owner of the 6,772,260 Shares directly beneficially owned by Stoney Lonesome; (iii) Drake Helix directly beneficially owned 320,438 Shares; (iv) CDC Financial, as the managing member of each of CCM and Drake Helix, may be deemed the beneficial owner of the 6,772,260 Shares directly beneficially owned by Stoney Lonesome and the 320,438 Shares directly beneficially owned by Drake Helix; and (v) Mr. Coghill directly beneficially owned 2,800 Shares. As the President and sole shareholder of CDC Financial, Mr. Coghill may also be deemed the beneficial owner of the 6,772,260 Shares directly beneficially owned by Stoney Lonesome and the 320,438 Shares directly beneficially owned by Drake Helix. The filing of this Schedule 13G shall not be deemed an admission that the Reporting Persons are, for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, the beneficial owners of any securities of the Issuer that such Reporting Person does not directly own. Each of the Reporting Persons specifically disclaims beneficial ownership of the securities reported herein that he or it does not directly own. The following percentages are based on 73,894,020 Shares outstanding as of May 22, 2026, which is the total number of Shares outstanding as disclosed in the Issuer's Definitive Proxy Statement on Schedule 14A filed with the Securities and Exchange Commission on June 3, 2026. As of the close of business on June 30, 2026, (i) Stoney Lonesome beneficially owned approximately 9.2% of the outstanding Shares, (ii) CCM may be deemed to beneficially own approximately 9.2% of the outstanding Shares, (iii) Drake Helix beneficially owned approximately 0.4% of the outstanding Shares, (iv) CDC Financial may be deemed to beneficially own approximately 9.6% of the outstanding Shares and (v) Mr. Coghill may be deemed to beneficially own approximately 9.6% of the outstanding Shares. See Cover Pages Items 5-9. See Cover Pages Items 5-9. See Cover Pages Items 5-9. See Cover Pages Items 5-9. Y Y Y N See Exhibit 99.1 to the Schedule 13G filed by the Reporting Persons with the Securities and Exchange Commission on December 22, 2025. 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. Stoney Lonesome HF LP /s/ Clint D. Coghill 08/14/2026 COGHILL CAPITAL MANAGEMENT LLC /s/ Clint D. Coghill 08/14/2026 Drake Helix Holdings, LLC /s/ Clint D. Coghill 08/14/2026 CDC Financial, Inc. /s/ Clint D. Coghill 08/14/2026 COGHILL CLINT D /s/ Clint D. Coghill 08/14/2026