SCHEDULE 13G 0002081512 XXXXXXXX LIVE Class A Ordinary Shares, par value $0.0001 per share 12/09/2025 0002081468 Meshflow Acquisition Corp. G6032N101 406 N. Sangamon Street Chicago IL 60642 Rule 13d-1(d) Meshflow Acquisition Sponsor LLC X1 8080000.00 0.00 8080000.00 0.00 8080000.00 N 18.7 OO (1) The securities are held directly by Meshflow Acquisition Sponsor LLC (the "Sponsor"). Bartosz Lipinski is the managing member of the Sponsor and has voting and investment discretion with respect to the securities held by the Sponsor. (2) The Sponsor owns 8,080,000 Class B Ordinary Shares, par value $0.0001 per share, of the Issuer (the "Class B Ordinary Shares"), which are convertible for the Issuer's Class A Ordinary Shares, par value $0.0001 per share (the "Class A Ordinary Shares"), as described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-290175) (the "Registration Statement") and have no expiration date. (3) Excludes 5,333,333 Class A Ordinary Shares issuable upon the exercise of 5,333,333 private placement warrants of the Issuer. Each warrant is exercisable to purchase one Class A Ordinary Share at $11.50 per share, subject to adjustment, becomes exercisable beginning 30 days after the completion of the Issuer's initial business combination and expires five years after the completion of the Issuer's initial business combination or earlier upon redemption or liquidation, each as is described under the heading "Description of Securities--Warrants" in the Registration Statement. (4) Based on 34,500,000 Class A Ordinary Shares and 8,625,000 Class B Ordinary Shares outstanding as of January 21, 2026, as reported on the Issuer's Quarterly Report on Form 10-Q (the "Form 10-Q"), filed with the U.S. Securities and Exchange Commission on January 21, 2026. Bartosz Lipinski X1 8080000.00 0.00 8080000.00 0.00 8080000.00 N 18.7 IN (1) The securities are held directly by the Sponsor. Bartosz Lipinski is the managing member of the Sponsor and has voting and investment discretion with respect to the securities held by the Sponsor. (2) The Sponsor owns 8,080,000 Class B Ordinary Shares of the Issuer, which are convertible for the Issuer's Class A Ordinary Shares as described under the heading "Description of Securities--Founder Shares" in the Registration Statement and have no expiration date. (3) Excludes 5,333,333 Class A Ordinary Shares issuable upon the exercise of 5,333,333 private placement warrants of the Issuer. Each warrant is exercisable to purchase one Class A Ordinary Share at $11.50 per share, subject to adjustment, becomes exercisable beginning 30 days after the completion of the Issuer's initial business combination and expires five years after the completion of the Issuer's initial business combination or earlier upon redemption or liquidation, each as is described under the heading "Description of Securities--Warrants" in the Registration Statement. (4) Based on 34,500,000 Class A Ordinary Shares and 8,625,000 Class B Ordinary Shares outstanding as of January 21, 2026, as reported on the Form 10-Q. Meshflow Acquisition Corp. 406 N. Sangamon Street, Chicago, Illinois 60642 1. Meshflow Acquisition Sponsor LLC 2. Bartosz Lipinski 406 N. Sangamon Street, Chicago, Illinois 60642 See response to Item 4 on the cover page. Y See response to Item 9 on the cover page. See response to Item 11 on the cover page. % See response to Item 5 on the cover page. See response to Item 6 on the cover page. See response to Item 7 on the cover page. See response to Item 8 on the cover page. Y Y Y Y Y Y Exhibit 99.1 Joint Filing Agreement, dated as of February 19, 2026 by and between Meshflow Acquisition Sponsor LLC and Bartosz Lipinski. Meshflow Acquisition Sponsor LLC /s/ Bartosz Lipinski 02/19/2026 Bartosz Lipinski /s/ Bartosz Lipinski 02/19/2026