STOCK TITAN

Knight-Swift (KNX) CEO exercises 17,758 RSUs and withholds shares for taxes

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4/A

Rhea-AI Filing Summary

Knight-Swift Transportation Holdings Inc. CEO Adam W. Miller exercised 17,758 Performance Restricted Stock Units, converting them into the same number of shares of Class A Common Stock on a one-for-one basis. As part of this vesting event, 7,699 shares were delivered at $55.10 per share to cover tax obligations, a non-market “F” code tax-withholding disposition. Following these transactions, Miller directly holds 189,881 shares of Class A Common Stock, with no remaining units from this particular performance award.

Positive

  • None.

Negative

  • None.
Insider Miller Adam W
Role CEO
Type Security Shares Price Value
Exercise Performance Restricted Stock Units 17,758 $0.00 --
Exercise Class A Common Stock 17,758 $0.00 --
Tax Withholding Class A Common Stock 7,699 $55.10 $424K
Holdings After Transaction: Performance Restricted Stock Units — 0 shares (Direct); Class A Common Stock — 197,580 shares (Direct)
Footnotes (1)
  1. Restricted stock units convert into Class A Common Stock on a one-for-one basis. The shares vested on January 31, 2026, but the performance target attainment was not determined and approved until March 12, 2026, when the shares were issued. Amended to reflect joint account held by Adam Wayne Miller and Nichole A Miller.
RSUs exercised 17,758 units Performance Restricted Stock Units converted into Class A Common Stock
Shares received on exercise 17,758 shares Class A Common Stock underlying the exercised performance units
Tax-withholding shares 7,699 shares Class A Common Stock delivered to satisfy tax obligations
Tax-withholding price $55.10 per share Value used for the F-code tax-withholding disposition
Shares after exercise 197,580 shares Direct Class A Common Stock holdings before tax withholding
Final direct holdings 189,881 shares Direct Class A Common Stock held after tax-withholding disposition
Exercised derivatives 17,758 units ExerciseShares in transactionSummary for derivative exercise
Tax-withholding total shares 7,699 shares TaxWithholdingShares in transactionSummary
Performance Restricted Stock Units financial
"security_title: "Performance Restricted Stock Units" with 17,758.0000 units exercised"
Performance restricted stock units (PRSUs) are promises to deliver company shares to employees or executives only if the business meets specific performance targets and any time-based holding rules. Think of them as a bonus that converts into stock only after set goals are reached, so investors watch PRSUs for two reasons: they can dilute existing shares if paid out, and they signal how closely management’s pay is tied to company performance.
tax-withholding disposition financial
"transaction_action: "tax-withholding disposition" for 7,699.0000 shares at $55.10"
A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.
derivative exercise/conversion financial
"transaction_action: "derivative exercise/conversion" for RSUs into Class A Common Stock"
Restricted stock units convert into Class A Common Stock on a one-for-one basis financial
"footnote: "Restricted stock units convert into Class A Common Stock on a one-for-one basis.""
Form 4/A regulatory
"Amended insider report referenced as Form 4/A for Adam W. Miller"
Form 4/A is an amended filing that corrects or updates an earlier Form 4, the mandatory report that insiders (like company executives, directors, or large shareholders) must file when their ownership stakes change. Think of it as an edited receipt showing who bought or sold stock and when; investors use it to track insider confidence, detect potential conflicts, and spot trading patterns that might signal future company prospects.
SEC Form 4
FORM 4UNITED 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
Estimated average burden
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).
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*
Miller Adam W

(Last)(First)(Middle)
2002 W WAHALLA LN

(Street)
PHOENIX ARIZONA 85027

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Knight-Swift Transportation Holdings Inc. [ KNX ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
CEO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
03/12/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)
03/13/2026
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)
CodeVAmount(A) or (D)Price
Class A Common Stock03/12/2026M17,758A(1)197,580D(3)
Class A Common Stock03/12/2026F7,699D$55.1189,881D(3)
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Performance Restricted Stock Units(1)03/12/2026M17,75803/12/2026 (2)Class A Common Stock17,758$00D
Explanation of Responses:
1. Restricted stock units convert into Class A Common Stock on a one-for-one basis.
2. The shares vested on January 31, 2026, but the performance target attainment was not determined and approved until March 12, 2026, when the shares were issued.
3. Amended to reflect joint account held by Adam Wayne Miller and Nichole A Miller.
James Brophy / Attorney in Fact04/16/2026
** Signature of Reporting PersonDate
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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did KNX CEO Adam W. Miller report on this Form 4/A?

Adam W. Miller reported exercising 17,758 Performance Restricted Stock Units, which converted into the same number of Class A Common Stock shares. This reflects a derivative exercise, not an open-market stock purchase, tied to previously granted equity compensation.

How many Knight-Swift (KNX) shares were used for tax withholding in this filing?

The filing shows 7,699 shares of Knight-Swift Class A Common Stock were disposed of in a tax-withholding transaction at $55.10 per share. This “F” code event covers tax liabilities and does not represent an open-market sale decision.

How many Knight-Swift (KNX) shares does Adam W. Miller hold after these transactions?

After the reported exercise and related tax withholding, Adam W. Miller directly holds 189,881 shares of Knight-Swift Class A Common Stock. This post-transaction balance reflects his remaining direct equity position visible in this Form 4/A filing.

What are Performance Restricted Stock Units in the KNX CEO’s Form 4/A?

The filing describes Performance Restricted Stock Units that convert into Knight-Swift Class A Common Stock on a one-for-one basis. These units vested earlier, and shares were issued once performance target attainment was determined and approved by the company.

When did the Knight-Swift (KNX) performance units vest and when were shares issued?

A footnote states the units vested on January 31, 2026, but performance target attainment was determined and approved on March 12, 2026, when the 17,758 shares of Class A Common Stock were issued to the CEO.

Does this KNX Form 4/A reflect remaining derivative awards for the CEO?

The derivativeSummary section in the data is empty, indicating no remaining derivative positions from this particular award in the filing. The exercised Performance Restricted Stock Units are fully converted, with the resulting common shares now part of direct holdings.