Company: FTCI
Filing Date: 2025-07-25
Form Type: DEFA14A
Source: 0001193125-25-164970
Chunk: 0

Company: FTC Solar, Inc.
Filing Date: 2025-07-25
Form: DEFA14A
Chunk 0
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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box:

| ☐ | Preliminary Proxy Statement |

| ☐ | Confidential, for Use of the Commission Only (as permitted by Rule 
 14a-6(e)(2))                                                       |

| ☐ | Definitive Proxy Statement |

| ☒ | Definitive Additional Materials |

| ☐ | Soliciting Material under §240.14a-12 |

FTC Solar, Inc. (Name of Registrant as Specified In Its Charter) (Name of Person(s) Filing Proxy Statement, if other than the Registrant) Payment of Filing Fee (Check all boxes that apply):

| ☒ | No fee required. |

| ☐ | Fee paid previously with preliminary materials |

| ☐ | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 
 14a-6(i)(1) and 0-11                                                           |

C/O TABULATOR, P.O. BOX 8016, CARY, NC 27512-9903 Meeting Materials: Notice of Special Meeting and Proxy Statement Important Notice Regarding the Availability of Proxy Materials for the Stockholders FTC Solar, Inc. Meeting To Be Held On September 4, 2025 For Stockholders of record as of July 9, 2025 Special Meeting of Stockholders To order paper materials, use one of the Thursday, September 4, 2025 10:00 AM, Central Time This meeting will be held live via the Internet—please visit www.proxydocs.com/FTCI for more following methods. details. You must register to attend the meeting online and/or participate at www.proxydocs.com/FTCI Internet: For a convenient way to view proxy materials, VOTE, and obtain www.investorelections.com/FTCI directions to attend the meeting go to www.proxydocs.com/FTCI To vote your proxy while visiting this site, you will need the 12 digit control number in the box below. Call: 1-866-648-8133 This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. This is not a ballot. You cannot use this notice to vote your shares. We encourage you to