WILLIAM JOHN YOUNG - 28 Feb 2026 Form 4 Insider Report for Smart Sand, Inc. (SND)

Role: Chief Operating Officer
Signature: /s/ Lee E. Beckelman as Attorney-in-Fact for William John Young
Issuer symbol: SND
Transactions as of: 28 Feb 2026
Net transactions value: -$48,220
Form type: 4
Filing time: 03 Mar 2026, 16:27:27 UTC
Previous filing: 03 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
YOUNG WILLIAM JOHN	Chief Operating Officer	C/O SMART SAND, INC., 1000 FLORAL VALE BOULEVARD, SUITE 225, YARDLEY	/s/ Lee E. Beckelman as Attorney-in-Fact for William John Young	03 Mar 2026	0001687130

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SND	Common Stock	Tax liability	$48,220	-9,291	-1.5%	$5.19	625,557	28 Feb 2026	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents shares withheld for tax purposes upon the vesting of restricted stock granted to the Reporting Person, the vesting of which is based on the Reporting Person's continued employment with or service to the Issuer on the applicable vesting date.