[Form 4] FTC Solar, Inc. Insider Trading Activity

Rhea-AI Filing Summary

FTC Solar, Inc. (FTCI) director reported an open-market sale of 100,000 shares of common stock on 11/18/2025 under a pre-arranged Rule 10b5-1 trading plan. The shares were sold at a weighted average price of $8.98 per share, with individual trade prices ranging from $8.80 to $9.50.

After the sale, the reporting person beneficially owns 689,222 shares directly. Additional indirect holdings are reported through several trusts, including 33,616 shares in each of three 2021 trusts, 49,136 shares in a 2022 GRAT, and 32,987 shares in a 2021 trust for a fiancée, with beneficial ownership in these trusts disclaimed except for any pecuniary interest.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Springer David

(Last) (First) (Middle)

10900 STONELAKE BLVD.

SUITE 100 QUARRY OAKS II BUILDING

(Street)

AUSTIN TX 78759

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
FTC Solar, Inc. [ FTCI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
11/18/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/18/2025		S		100,000(1)	D	$8.98(2)	689,222	D
Common Stock								33,616	I	By Trust(3)
Common Stock								33,616	I	By Trust(4)
Common Stock								33,616	I	By Trust(5)
Common Stock								49,136	I	By Trust(6)
Common Stock								32,987	I	By Trust(7)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Reflects sales pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 14, 2023.

2. Represents a weighted average sales price per share for these shares, which were sold in multiple transactions at prices ranging from $8.80 to $9.50. 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.

3. These shares are owned directly by the ZS 2021 Trust for the benefit of the Reporting Person's child. The Reporting Person has sole power to acquire for himself any asset held in the trust, including the shares, by substituting other property of equivalent value of the ZS 2021 Trust. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that he is the beneficial owner of such securities for Section 16 or any other purpose.

4. These shares are owned directly by the NS 2021 Trust for the benefit of the Reporting Person's child. The Reporting Person has sole power to acquire for himself any asset held in the trust, including the shares, by substituting other property of equivalent value of the NS 2021 Trust. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that he is the beneficial owner of such securities for Section 16 or any other purpose.

5. These shares are owned directly by the AS 2021 Trust for the benefit of the Reporting Person's child. The Reporting Person has sole power to acquire for himself any asset held in the trust, including the shares, by substituting other property of equivalent value of the AS 2021 Trust. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that he is the beneficial owner of such securities for Section 16 or any other purpose.

6. These shares are owned directly by the DS 2022 GRAT for the benefit of the Reporting Person. The Reporting Person (a) is the sole trustee, (b) has sole voting and dispositive power with respect to the shares held by the trust and (c) has sole power to acquire for himself any asset held in the trust, including the shares, by substituting other property of equivalent value of the DS 2022 GRAT. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that he is the beneficial owner of such securities for Section 16 or any other purpose.

7. These shares are owned directly by the KC 2021 Trust for the benefit of the Reporting Person's fiancee. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that he is the beneficial owner of such securities for Section 16 or any other purpose.

	/s/ Cathy Behnen, as Attorney-in-Fact	11/20/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction was reported for FTC Solar (FTCI)?

A director of FTC Solar, Inc. (FTCI) reported selling 100,000 shares of common stock on 11/18/2025 in an open-market transaction.

At what price were the FTC Solar (FTCI) shares sold in this Form 4?

The 100,000 shares were sold at a weighted average price of $8.98 per share, with trade prices ranging from $8.80 to $9.50.

How many FTC Solar (FTCI) shares does the insider own after the reported sale?

Following the transaction, the reporting person directly beneficially owns 689,222 shares of FTC Solar common stock.

What is the role of the reporting person at FTC Solar (FTCI)?

The reporting person is identified as a Director of FTC Solar, Inc. on the Form 4.

Was the FTC Solar (FTCI) insider sale made under a Rule 10b5-1 plan?

Yes. The filing states the 100,000-share sale was made pursuant to a Rule 10b5-1 trading plan adopted on March 14, 2023.

What indirect FTC Solar (FTCI) holdings are reported for the insider?

The Form 4 reports indirect ownership through several trusts, including 33,616 shares in each of three 2021 trusts, 49,136 shares in a 2022 GRAT, and 32,987 shares in a 2021 trust for the reporting person’s fiancée, with beneficial ownership disclaimed except for any pecuniary interest.