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SCHEDULE 13D/A 0000935836-21-000662 0001104329 XXXXXXXX LIVE 4 Common Stock, $0.00001 par value per share 12/03/2025 false 0001609151 94724R108 WEAVE COMMUNICATIONS, INC. 1331 W POWELL WAY LEHI UT 84043 Maureen Offer (415) 617-1800 c/o Crosslink Capital, Inc. 2180 Sand Hill Road, Suite 200 Menlo Park CA 94025 0001104329 N Crosslink Capital, Inc. a AF N DE 0.00 3529255.00 0.00 3529255.00 3529255.00 N 4.5 IA OO 0001893180 N Crosslink Capital Management, LLC a AF N DE 0.00 717603.00 0.00 717603.00 717603.00 N 0.9 IA OO 0001242239 N Michael J. Stark AF N X1 155624.00 3529255.00 155624.00 3529255.00 3684879.00 N 4.7 HC IN Common Stock, $0.00001 par value per share WEAVE COMMUNICATIONS, INC. 1331 W POWELL WAY LEHI UT 84043 This Amendment No. 4 (this "Amendment No. 4" or this "Schedule 13D/A") amends and supplements the statement on Schedule 13D originally filed with the Securities and Exchange Commission (the "SEC") on November 22, 2021, and amended on November 4, 2024, November 27, 2024 and December 9, 2024 (as amended, the "Statement") by Crosslink Capital, Inc., Crosslink Capital Management, LLC, Crosslink Ventures VII Holdings, L.L.C. and Michael J. Stark. Unless otherwise defined herein, capitalized terms used in this Amendment No. 4 shall have the meanings ascribed to them in the Statement. Unless amended or supplemented below, the information in the Statement remains unchanged. This Schedule 13D/A is being filed on behalf of Crosslink Capital, Inc. ("Crosslink"), Crosslink Capital Management, LLC ("CCM") and Michael J. Stark ("Mr. Stark"). Crosslink, CCM and Mr. Stark are collectively referred to herein as the "Reporting Persons." The Reporting Persons are filing this report jointly, but not as a group. Crosslink and CCM are related entities and may constitute a group within the meaning of Rule 13d-5(b) under the Securities Exchange Act of 1934. Mr. Stark expressly disclaims membership in a group. The address of the principal business office of each of the Reporting Persons is 2180 Sand Hill Road, Suite 200, Menlo Park, CA 94025. Crosslink and CCM are investment advisers to private investment funds (collectively, the "Funds"). Mr. Stark is the control person of Crosslink. During the last five years, none of the Reporting Persons has been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors). During the last five years, none of the Reporting Persons has been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree of final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. Each of Crosslink and CCM was organized in the state of Delaware and Mr. Stark is a citizen of the United States. Rows 11 and 13 of each Reporting Person's cover page to this Schedule 13D/A set forth the aggregate number of shares of common stock and percentages of the shares of common stock beneficially owned by such Reporting Person and are incorporated by reference. The percentage set forth in each row 13 is based upon 78,025,757 shares of common stock outstanding as of November 3, 2025, as reported in the Issuer's Quarterly Report on Form 10-Q filed with the SEC on November 6, 2025. Collectively, the Reporting Persons beneficially own an aggregate of 4,402,482 shares of common stock, which represents 5.6% of the Issuer's outstanding common stock. Rows 7 through 10 of each Reporting Person's cover page to this Schedule 13D/A set forth the number of shares of common stock as to which such Reporting Person has the sole or shared power to vote or direct the vote and sole or shared power to dispose or to direct the disposition and are incorporated by reference. Except as set forth below, none of the Reporting Persons has effected any transactions with respect to the securities of the Issuer during the past sixty days. On December 3, 2025, the Funds made pro rata in-kind distributions for no additional consideration of an aggregate of 3,054,712 shares of common stock to their limited partners and general partner. Of the shares distributed by such Funds, the general partner received 610,942 shares, which shares are included in the shares beneficially owned by Crosslink, as reported herein. On December 4, 2025, a Fund made a pro rata in-kind distribution for no additional consideration of 226,568 shares of common stock to its members. Of the shares distributed by such Fund, Mr. Stark received 90,220 shares. On December 5, 2025, a Fund sold an aggregate of 160,000 shares of common stock in open market transactions at prices ranging from $6.30 to $6.60 (weighted average sales price of $6.47 per share). No other person is known to have the right to receive or the power to direct the receipt of dividends from, or any proceeds from the sale of, the securities beneficially owned by any of the Reporting Persons. Not applicable. Exhibit 99.1 Joint Filing Agreement Crosslink Capital, Inc. /s/ Maureen Offer Maureen Offer, Chief Financial Officer 12/05/2025 Crosslink Capital Management, LLC /s/ Maureen Offer Maureen Offer, Chief Financial Officer 12/05/2025 Michael J. Stark /s/ Michael J. Stark Michael J. Stark 12/05/2025