Smart Sand director sells 17,700 shares, $5.06–$5.10

Smart Sand, Inc. director Sharon Spurlin reported two open-market or private sales of Smart Sand common stock.

Rhea-AI Filing Summary

Smart Sand, Inc. director Sharon Spurlin reported two open-market or private sales of Smart Sand common stock. On August 14, 2026, Spurlin sold 15,000 shares at a weighted average price of $5.06 per share, with individual sale prices ranging from $5.04 to $5.10. On August 17, 2026, Spurlin sold an additional 2,700 shares at a weighted average price of $5.10 per share, with sale prices ranging from $5.10 to $5.11. The prices reported are weighted averages over multiple transaction prices on each date.

Insider Trade Summary

Net Seller: 17,700 shares

Net Sell 2 txns

Insider Spurlin Sharon

Role Director

Sold 17,700 shs ($90K)

Type	Security	Shares	Price	Value
Sale	Common Stock F2	2,700	$5.10	$14K
Sale	Common Stock F1	15,000	$5.06	$76K

Holdings After Transaction: Common Stock — 172,261 shares (Direct)

Footnotes (2)

1. F1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.04 to $5.10, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.
2. F2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.10 to $5.11, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

Key Figures

Shares sold on 2026-08-14: 15,000 shares Weighted average price on 2026-08-14: $5.06 per share Shares sold on 2026-08-17: 2,700 shares +2 more

5 metrics

Shares sold on 2026-08-14 15,000 shares Common Stock sale by Sharon Spurlin on August 14, 2026

Weighted average price on 2026-08-14 $5.06 per share Multiple sale transactions between $5.04 and $5.10

Shares sold on 2026-08-17 2,700 shares Common Stock sale by Sharon Spurlin on August 17, 2026

Weighted average price on 2026-08-17 $5.10 per share Multiple sale transactions between $5.10 and $5.11

Total shares sold in filing 17,700 shares Sum of reported sales on August 14 and 17, 2026

Key Terms

weighted average price, open market or private transaction, direct ownership

3 terms

weighted average price financial

"The price reported in Column 4 is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

open market or private transaction financial

"transaction_code_description: Sale in open market or private transaction"

direct ownership financial

"ownership_type: direct, ownership_code: D for direct ownership"

FAQ

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

What insider stock sales did SND director Sharon Spurlin report?

Sharon Spurlin reported selling a total of 17,700 shares of Smart Sand common stock. The sales occurred on August 14, 2026 and August 17, 2026 in open-market or private transactions at weighted average prices around $5.06–$5.10 per share.

How many Smart Sand (SND) shares did Sharon Spurlin sell on August 14, 2026?

On August 14, 2026, Sharon Spurlin sold 15,000 shares of Smart Sand common stock. The weighted average sale price was $5.06 per share, based on multiple trades executed between $5.04 and $5.10 per share that day.

What were the details of Sharon Spurlin’s August 17, 2026 SND stock sale?

On August 17, 2026, Sharon Spurlin sold 2,700 shares of Smart Sand common stock. The weighted average sale price was $5.10 per share, with individual trades executed in a price range of $5.10 to $5.11 per share.

What was the total number of Smart Sand (SND) shares sold in this Form 4 filing?

Across both reported transactions, Sharon Spurlin sold 17,700 shares of Smart Sand common stock. This total consists of 15,000 shares sold on August 14, 2026 and 2,700 shares sold on August 17, 2026, all in open-market or private transactions.

Were the Smart Sand (SND) insider sales reported as weighted average prices?

Yes. The reported prices of $5.06 and $5.10 per share are weighted average prices. Each transaction date involved multiple trades within specified ranges, and the insider offers to provide detailed per-trade pricing information upon request.

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

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Available on EDGAR 08/17/2026 - 08:34 PM EDT Accepted by SEC EDGAR 08/17/2026 - 08:34 PM EDT Learn about SEC filing dates

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^*

Spurlin Sharon

(Last) (First) (Middle)

C/O SMART SAND, INC.

1000 FLORAL VALE BOULEVARD, SUITE 225

(Street)

YARDLEY PENNSYLVANIA 19067

(City) (State) (Zip)

UNITED STATES

(Country)

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

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)
08/14/2026

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	08/14/2026		S		15,000	D	$5.06(1)	174,961	D
Common Stock	08/17/2026		S		2,700	D	$5.1(2)	172,261	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. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.04 to $5.10, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.10 to $5.11, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

Remarks:

	/s/ Lee E. Beckelman as Attorney-in-Fact for Sharon Spurlin	08/17/2026
	** 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)