# EDGAR Filing Document

**Accession Number:** 0001684056
**File Stem:** 0001193125-25-290106
**Filing Date:** 2025-11
**Character Count:** 9252
**Document Hash:** 9c007b27d8b150ba4af08db4d6308545
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-290106.hdr.sgml**: 20251120

**ACCESSION NUMBER**: 0001193125-25-290106

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251118

**FILED AS OF DATE**: 20251120

**DATE AS OF CHANGE**: 20251120

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Springer David
- **CENTRAL INDEX KEY:** 0001684056

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-40350
- **FILM NUMBER:** 251504159

**BUSINESS ADDRESS:**
- **BUSINESS PHONE:** (512) 626-8252

**MAIL ADDRESS:**
- **STREET 1:** 2718 LOYAGA DRIVE
- **CITY:** ROUND ROCK
- **STATE:** TX
- **ZIP:** 78681
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FTC Solar, Inc.
- **CENTRAL INDEX KEY:** 0001828161
- **STANDARD INDUSTRIAL CLASSIFICATION:** SEMICONDUCTORS & RELATED DEVICES [3674]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 814816270
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 10900 STONELAKE BLVD.
- **STREET 2:** SUITE 100 QUARRY OAKS II BUILDING
- **CITY:** AUSTIN
- **STATE:** TX
- **BUSINESS PHONE:** (907) 312-0717

**MAIL ADDRESS:**
- **STREET 1:** 10900 STONELAKE BLVD.
- **STREET 2:** SUITE 100 QUARRY OAKS II BUILDING
- **CITY:** AUSTIN
- **STATE:** TX

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] 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**<sup>*</sup><br>Springer David<br><sub>(Last) (First) (Middle)</sub><br>10900 STONELAKE BLVD.<br>SUITE 100 QUARRY OAKS II BUILDING<br><sub>(Street)</sub><br>AUSTIN, TX 78759<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-11-18 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>FTC Solar, Inc. [ FTCI ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2025-11-18 |  | S |  | 100000<sup>(1)</sup> | D | 8.98<sup>(2)</sup> | 689222 | D |  |
| Common Stock |  |  |  |  |  |  |  | 33616 | I | By Trust<sup>(3)</sup> |
| Common Stock |  |  |  |  |  |  |  | 33616 | I | By Trust<sup>(4)</sup> |
| Common Stock |  |  |  |  |  |  |  | 33616 | I | By Trust<sup>(5)</sup> |
| Common Stock |  |  |  |  |  |  |  | 49136 | I | By Trust<sup>(6)</sup> |
| Common Stock |  |  |  |  |  |  |  | 32987 | I | By Trust<sup>(7)</sup> |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(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.

**Signature:** /s/ Cathy Behnen, as Attorney-in-Fact  
**Date:** 2025-11-20

### Remarks:

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.**