Robert Kiszka - 28 Feb 2026 Form 4/A - Amendment Insider Report for Smart Sand, Inc. (SND)

Role
Executive VP of Operations
Signature
/s/ Lee E. Beckelman, as Attorney-in-Fact for Robert Kiszka
Issuer symbol
SND
Transactions as of
28 Feb 2026
Net transactions value
-$32,147
Form type
4/A - Amendment
Filing time
03 Mar 2026, 19:40:06 UTC
Date Of Original Report
03 Mar 2026
Previous filing
03 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
KISZKA ROBERT Executive VP of Operations C/O SMART SAND, INC., 1000 FLORAL VALE BOULEVARD, SUITE 225, YARDLEY /s/ Lee E. Beckelman, as Attorney-in-Fact for Robert Kiszka 03 Mar 2026 0001687112

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SND Common Stock Tax liability $32,147 -6,194 -1.1% $5.19 544,782 28 Feb 2026 Direct F1, F2
holding SND Common Stock 448,738 28 Feb 2026 BY LLC F3
* 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.
F2 The Form 4, as originally filed, incorrectly reported the number of shares as 515,836. The Form 4, as amended by this Form 4/A, currently reports the corrected number of shares.
F3 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.