X0202 SCHEDULE 13G 0001034333 XXXXXXXX LIVE Common Stock 04/01/2026 0001709442 FirstSun Capital Bancorp 33767U107 1400 16th Street Suite 250 Denver X1 80202 Rule 13d-1(c) Bay Pond Investors (Bermuda) L.P. D0 0 1500867 0 1500867 1500867.00 5.4 PN FirstSun Capital Bancorp 1400 16th Street, Suite 250, Denver CO 80202 Bay Pond Investors (Bermuda) L.P. c/o Wellington Management Company LLP, 280 Congress Street, Boston MA 02210 Bermuda Y See the responses to Item 9 on the attached cover pages 5.37 0 1,500,867 0 1,500,867 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. Bay Pond Investors (Bermuda) L.P. Ihsan Speede 04/07/2026 Wellington Alternative Investments LLC; Its General Partner Signature: Ihsan Speede Name/Title: Authorized Person Date: 04/07/2026