Smart Sand (NASDAQ: SND) EVP logs tax-withholding on 6,194 vested shares

Rhea-AI Filing Summary

Smart Sand, Inc. executive reports tax-withholding share disposition

Executive VP of Operations Robert Kiszka reported a Form 4 transaction involving 6,194 shares of Smart Sand common stock on February 28, 2026. The shares were withheld for tax purposes upon the vesting of restricted stock, rather than sold in an open-market trade, at a reference price of $5.19 per share.

After this tax-withholding disposition, Kiszka directly held 515,836 shares of Smart Sand common stock. He also had an indirect interest in 448,738 shares held by a limited liability company where he is the sole member with sole voting and investment control, while disclaiming beneficial ownership except for his economic interest.

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

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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^*

KISZKA ROBERT

(Last) (First) (Middle)

C/O SMART SAND, INC.

1000 FLORAL VALE BOULEVARD, SUITE 225

(Street)

YARDLEY PA 19067

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Smart Sand, Inc. [ SND ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Executive VP of Operations

3. Date of Earliest Transaction (Month/Day/Year)
02/28/2026

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	02/28/2026		F		6,194(1)	D	$5.19	515,836	D
Common Stock								448,738	I	BY LLC(2)

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. 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.

2. Held by a limited liability company ("LLC") of which the Reporting Person serves as the sole member with sole voting and investment control over the securities held thereby. The Reporting Person disclaims beneficial ownership of the securities held by the LLC except to the extent of his pecuniary interest therein.

Remarks:

	/s/ Lee E. Beckelman, as Attorney-in-Fact for Robert Kiszka	03/03/2026
	** 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 did Smart Sand (SND) executive Robert Kiszka report in this Form 4?

Robert Kiszka reported a tax-withholding disposition of 6,194 shares of Smart Sand common stock on February 28, 2026. The shares were withheld to cover taxes upon restricted stock vesting, not sold on the open market.

How many Smart Sand (SND) shares were involved in the tax-withholding event?

The filing shows 6,194 shares of Smart Sand common stock were withheld for tax purposes. This occurred when restricted stock granted to Robert Kiszka vested based on his continued employment or service with the company.

At what price were the Smart Sand (SND) shares valued in Kiszka’s Form 4 transaction?

The 6,194 Smart Sand shares were valued at $5.19 per share for the tax-withholding disposition. This price is used as the reference amount for calculating the tax liability associated with the vesting restricted stock.

How many Smart Sand (SND) shares does Robert Kiszka hold directly after the transaction?

After the reported tax-withholding disposition, Robert Kiszka directly holds 515,836 shares of Smart Sand common stock. This figure reflects his remaining direct ownership following the restricted stock vesting and associated tax withholding.

What indirect Smart Sand (SND) holdings does Robert Kiszka report through an LLC?

The Form 4 reports 448,738 Smart Sand shares held indirectly through a limited liability company. Kiszka is the sole member with sole voting and investment control, but he disclaims beneficial ownership except to the extent of his pecuniary interest.

Was the Smart Sand (SND) Form 4 transaction an open-market sale by Robert Kiszka?

No, the reported transaction was not an open-market sale. It reflects shares withheld for taxes upon restricted stock vesting, categorized as a tax-withholding disposition under transaction code F, rather than a discretionary market sale.