Cathy Behnen - 30 Dec 2025 Form 4 Insider Report for FTC Solar, Inc. (FTCI)

Role: CHIEF FINANCIAL OFFICER
Signature: /s/ Michael Penney, as Attorney-in-Fact
Issuer symbol: FTCI
Transactions as of: 30 Dec 2025
Net transactions value: -$17,991
Form type: 4
Filing time: 31 Dec 2025, 17:26:48 UTC
Previous filing: 22 Oct 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Behnen Cathy	CHIEF FINANCIAL OFFICER	10900 STONELAKE BLVD., SUITE 100 QUARRY OAKS II BUILDING, AUSTIN	/s/ Michael Penney, as Attorney-in-Fact	31 Dec 2025	0001859083

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	FTCI	Common Stock	Sale	$17,991	-1,646	-1.1%	$10.93	143,534	30 Dec 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents a weighted average sales price per share for these shares, which were sold in multiple transactions at prices ranging from $10.810 to $11.080. The Reporting Person undertakes to provide to the Issuer, the staff of the Commission or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range. The shares were sold in order to satisfy tax obligations of the Reporting Person that became payable due to the vesting and settlement of certain restricted stock units.

Content

Represents a weighted average sales price per share for these shares, which were sold in multiple transactions at prices ranging from $10.810 to $11.080. The Reporting Person undertakes to provide to the Issuer, the staff of the Commission or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range. The shares were sold in order to satisfy tax obligations of the Reporting Person that became payable due to the vesting and settlement of certain restricted stock units.