# EDGAR Filing Document

**Accession Number:** 0001492691
**File Stem:** 0001513279-26-000003
**Filing Date:** 2026-3
**Character Count:** 7518
**Document Hash:** 40142dc62e1f9addf2d09e4f94f4a362
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001513279-26-000003.hdr.sgml**: 20260324

**ACCESSION NUMBER**: 0001513279-26-000003

**CONFORMED SUBMISSION TYPE**: 4/A

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260131

**FILED AS OF DATE**: 20260324

**DATE AS OF CHANGE**: 20260324

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Miller Adam W
- **CENTRAL INDEX KEY:** 0001513279

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-35007
- **FILM NUMBER:** 26785481

**MAIL ADDRESS:**
- **STREET 1:** 2002 W WAHALLA LN
- **CITY:** PHOENIX
- **STATE:** AZ
- **ZIP:** 85027
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Knight-Swift Transportation Holdings Inc.
- **CENTRAL INDEX KEY:** 0001492691
- **STANDARD INDUSTRIAL CLASSIFICATION:** TRUCKING (NO LOCAL) [4213]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 205589597
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 2200 SOUTH 75TH AVENUE
- **CITY:** PHOENIX
- **STATE:** AZ
- **ZIP:** 85043
- **BUSINESS PHONE:** 602-269-9700

**MAIL ADDRESS:**
- **STREET 1:** 2200 SOUTH 75TH AVENUE
- **CITY:** PHOENIX
- **STATE:** AZ
- **ZIP:** 85043

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** SWIFT TRANSPORTATION Co
- **DATE OF NAME CHANGE:** 20110512

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** SWIFT TRANSPORTATION CO
- **DATE OF NAME CHANGE:** 20101209

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** SWIFT TRANSPORTATION Co
- **DATE OF NAME CHANGE:** 20101129

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

## FORM 4/A

### 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).

[ ] 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>Miller Adam W<br><sub>(Last) (First) (Middle)</sub><br>2002 W WAHALLA LN<br><sub>(Street)</sub><br>PHOENIX, AZ 85027<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-01-31 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_CEO_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Knight-Swift Transportation Holdings Inc. [ KNX ] | **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 |
| Class A Common Stock | 2026-01-31 |  | M |  | 6134 | A | <sup>(1)</sup> | 175574 | I | Joint Account with Spouse<sup>(5)</sup> |
| Class A Common Stock | 2026-01-31 |  | F |  | 2764 | D | $55.1 | 172810 | I | Joint Account with Spouse<sup>(5)</sup> |
| Class A Common Stock | 2026-01-31 |  | M |  | 5709 | A | <sup>(1)</sup> | 178519 | I | Joint Account with Spouse<sup>(5)</sup> |
| Class A Common Stock | 2026-01-31 |  | F |  | 2475 | D | $55.1 | 176044 | I | Joint Account with Spouse<sup>(5)</sup> |
| Class A Common Stock | 2026-01-31 |  | M |  | 6670 | A | <sup>(1)</sup> | 182714 | I | Joint Account with Spouse<sup>(5)</sup> |
| Class A Common Stock | 2026-01-31 |  | F |  | 2892 | D | $55.1 | 179822 | I | Joint Account with Spouse<sup>(5)</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 |
| Restricted Stock Units | <sup>(1)</sup> | 2026-01-31 |  | M |  |  | 6134 | 2026-01-31 | <sup>(2)</sup> | Class A Common Stock | 6134 | $0 | 0 | D |  |
| Restricted Stock Units | <sup>(1)</sup> | 2026-01-31 |  | M |  |  | 5709 | 2026-01-31 | <sup>(3)</sup> | Class A Common Stock | 5709 | $0 | 5883 | D |  |
| Restricted Stock Units | <sup>(1)</sup> | 2026-01-31 |  | M |  |  | 6670 | 2026-01-31 | <sup>(4)</sup> | Class A Common Stock | 6670 | $0 | 13545 | D |  |

---

### Footnotes:

(1) Restricted stock units convert to Class A Common Stock on a one-for-one basis.

(2) The remaining stock units vested on January 31, 2026.  Stock is issued when and as vested.

(3) The restricted stock units vest as follows:  33% on January 31 2025; 33% on January 31, 2026; and 34% on January 31, 2027.  Stock is issued when and as vested.

(4) The restricted stock units vest as follows:  33% on January 31 2026; 33% on January 31, 2027; and 34% on January 31, 2028.  Stock is issued when and as vested.

(5) Amended to reflect joint account held by Adam Wayne Miller and Nichole A Miller JTWROS (joint with rights of survivorship).

**Signature:** James Brophy / Attorney in Fact  
**Date:** 2026-03-24

### 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.**