[Form 4] WABASH NATIONAL Corp Insider Trading Activity

Rhea-AI Filing Summary

Wabash National Corp Chief Administrative Officer Mary Kristin Glazner reported two tax-related stock dispositions. On February 15, 2026, she disposed of 5,778 shares of common stock at $11.86 per share, leaving 165,374 shares held directly. On February 14, 2026, she disposed of 2,220 shares at the same price through a similar tax-withholding disposition related to payment of exercise price or tax liability.

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

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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^*

Glazner Mary Kristin

(Last) (First) (Middle)

3900 MCCARTY LANE

(Street)

LAFAYETTE IN 47905

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
WABASH NATIONAL Corp [ WNC ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
02/14/2026

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	02/14/2026		F		2,220	D	$11.86	171,152	D
Common Stock	02/15/2026		F		5,778	D	$11.86	165,374	D

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:

	/s/Mary Kristin Glazner	02/18/2026
	** 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 transactions did WABASH NATIONAL Corp (WNC) disclose?

WABASH NATIONAL Corp (WNC) disclosed that Chief Administrative Officer Mary Kristin Glazner reported two tax-withholding dispositions of common stock. These were non-open-market transactions used to cover exercise price or tax liabilities associated with equity awards, rather than discretionary stock sales.

How many WNC shares did Mary Kristin Glazner dispose of for taxes?

Mary Kristin Glazner disposed of a total of 7,998 WNC common shares for tax-withholding purposes. This reflects two Form 4 transactions involving 5,778 shares and 2,220 shares, both used to satisfy exercise price or tax liabilities on equity compensation.

At what price were the WNC tax-withholding share dispositions recorded?

Both WNC tax-withholding dispositions were recorded at a price of $11.86 per share. This uniform price applied to the 5,778-share disposition on February 15, 2026, and the 2,220-share disposition on February 14, 2026, as reported in the Form 4 filing.

How many WNC shares does Mary Kristin Glazner hold after these transactions?

After the February 15, 2026 tax-withholding disposition, Mary Kristin Glazner directly holds 165,374 WNC common shares. This post-transaction balance reflects her remaining equity stake following the reported delivery of shares to cover exercise price or tax obligations.

Were the WNC insider transactions open-market sales or tax-related?

The WNC insider transactions were tax-related, not open-market sales. Both carry transaction code F, described as payment of exercise price or tax liability by delivering securities, indicating they were used to satisfy obligations tied to equity compensation rather than discretionary selling.