Wabash National director granted 21,866 RSUs

Boss John G. reported acquisition or exercise transactions in this Form 4 filing.

Accepted by SEC EDGAR 05/15/2026 - 01:31 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Boss John G. reported acquisition or exercise transactions in this Form 4 filing.

Wabash National Corp director John G. Boss received an equity award of 21,866 shares of common stock as a restricted stock unit grant. The award vests on May 13, 2027, meaning the shares become fully owned over time rather than immediately. After this grant, his direct holdings total 139,330 common shares.

Insider Trade Summary

Grant/Award: 21,866 shares

Grant/Award 1 txn

Insider Boss John G.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	21,866	$0.00	$0.00

Holdings After Transaction: Common Stock — 139,330 shares (Direct)

Holdings Before and After: Common Stock, 117,464 to 139,330 shares (Direct)

Footnotes (1)

1. F1. Restricted Stock Unit Award vesting May 13, 2027

Key Figures

RSU grant size: 21,866 shares Post-transaction holdings: 139,330 shares Grant price per share: $0.00 per share +2 more

5 metrics

RSU grant size 21,866 shares Restricted Stock Unit Award to John G. Boss on May 13, 2026

Post-transaction holdings 139,330 shares Direct common stock holdings after award

Grant price per share $0.00 per share Equity compensation, no cash paid by insider

Vesting date May 13, 2027 Restricted Stock Unit Award vesting date from footnote

Acquire transactions 1 transaction Form 4 transaction summary for this filing

Key Terms

Restricted Stock Unit Award, Common Stock, Grant, award, or other acquisition

3 terms

Restricted Stock Unit Award financial

"Restricted Stock Unit Award vesting May 13, 2027"

A restricted stock unit award is a promise by a company to give an employee a specified number of company shares at a future date if certain conditions are met, such as staying with the company or hitting performance goals. For investors, these awards matter because they can increase the total number of shares outstanding when converted, diluting existing holders, and they align employees’ incentives with shareholders’ interests much like giving a rising bonus that becomes real only after conditions are satisfied.

Common Stock financial

"security_title": "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Grant, award, or other acquisition financial

"transaction_code_description": "Grant, award, or other acquisition""

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Wabash National (WNC) report for John G. Boss?

Wabash National reported that director John G. Boss received a grant of 21,866 shares of common stock as a restricted stock unit award, with no cash price per share, increasing his direct holdings to 139,330 shares after the transaction.

Is the John G. Boss Form 4 transaction for Wabash National (WNC) a purchase or a grant?

The Form 4 shows a grant, not an open-market purchase. John G. Boss acquired 21,866 common shares through a compensation-related award classified as a restricted stock unit grant, with a transaction price of $0.00 per share, reflecting equity-based compensation.

When do John G. Boss’s new restricted stock units at Wabash National (WNC) vest?

The footnote states the award is a restricted stock unit grant vesting on May 13, 2027. Vesting means the shares become fully earned and transferable over time, aligning the director’s compensation with longer-term company performance and service.

How many Wabash National (WNC) shares does John G. Boss hold after this Form 4 transaction?

After receiving the 21,866-share restricted stock unit grant, John G. Boss directly holds 139,330 shares of Wabash National common stock. This total reflects his updated position immediately following the reported equity award on May 13, 2026.

What does transaction code "A" mean in the Wabash National (WNC) Form 4 for John G. Boss?

Transaction code "A" on the Form 4 indicates a grant, award, or other acquisition. For John G. Boss, it represents a restricted stock unit award of 21,866 common shares received as compensation, rather than a market-based stock purchase or sale.

Does the Wabash National (WNC) Form 4 indicate any stock sales by John G. Boss?

The Form 4 data show no stock sales by John G. Boss. It reports only a single acquisition transaction coded as a grant of 21,866 restricted stock units, with his direct ownership increasing to 139,330 common shares after the award.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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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
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^*

Boss John G.

(Last) (First) (Middle)

3900 MCCARTY LANE

(Street)

LAFAYETTE INDIANA 47905

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/13/2026

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

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

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

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(1)	05/13/2026		A		21,866	A	$0	139,330	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:

1. Restricted Stock Unit Award vesting May 13, 2027

	John G. Boss/s/M. Kristin Glazner, as attorney-in-fact	05/15/2026
	** 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.
* Form 4: SEC 1474 (03-26)