KISZKA ROBERT 4

4 · Smart Sand, Inc. · Filed Mar 3, 2026

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Updated Mar 3, 2026

Smart Sand (SND) EVP Robert Kiszka Receives Performance Awards

What Happened

Robert Kiszka, Executive Vice President of Operations at Smart Sand (SND), was awarded performance-based shares on Feb 27, 2026 and had shares withheld to cover taxes. He was granted 18,587 ROIC-based shares and 21,874 free-cash-flow-based shares (total 40,461 shares) at $0.00 per share as vested performance awards. Concurrently, 11,515 shares were withheld (disposed) to satisfy tax liabilities at $5.19 per share, resulting in approximately $59,763 withheld.

Key Details

Transaction date: February 27, 2026 (Form filed March 3, 2026).
Awards: 18,587 shares (ROIC-based) and 21,874 shares (free cash flow–based) — both originally granted March 17, 2023 and vested after meeting performance goals for the 2023–2025 period (footnotes F1, F2).
Tax withholding: 11,515 shares withheld to cover tax liability at $5.19/share, totaling ~$59,763 (footnote F3). Transaction code F indicates tax withholding on vested awards.
Ownership note: Some securities are held by an LLC of which Kiszka is the sole member; he disclaims beneficial ownership except to the extent of his pecuniary interest (footnote F4).
Shares owned after the transaction are not specified in this Form 4.

Context

These were performance award vestings (not an open-market purchase or a sell decision). Withholding shares to pay taxes is routine and does not necessarily signal a view on the company’s outlook. The awards were earned based on company performance metrics (relative annual ROIC and relative annual free cash flow) for the 2023–2025 performance period.

Form 4

Period: 2026-02-27

Executive VP of Operations

Transactions

Holdings

Footnotes (4)

[F1]Reflects the number of shares earned in respect of ROIC-based performance award shares originally granted on March 17, 2023. On February 27, 2026, the Issuer confirmed the achievement of the applicable performance metric, which was based on a relative annual Return on Invested Capital (ROIC) goal for the performance period commencing on January 1, 2023 and continuing through December 31, 2025.
[F2]Reflects the number of shares earned in respect of free cash flow based performance award shares originally granted on March 17, 2023. On February 27, 2026, the Issuer confirmed the achievement of the applicable performance metric, which was based on a relative annual free cash flow goal for the performance period commencing on January 1, 2023 and continuing through December 31, 2025.
[F3]Represents the number of shares withheld for tax purposes upon the vesting of ROIC-based and free cash flow based performance shares originally granted to the Reporting Person on March 17, 2023.
[F4]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.

Signature

/s/ Lee E. Beckelman, as Attorney-in-Fact for Robert Kiszka|2026-03-03

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