Smart Sand EVP sells 47K shares in August trades

Smart Sand, Inc. (SND) reported that Executive Vice President, General Counsel and Secretary James Douglas Young sold a total of 47,030 shares of common stock in three open-market or private transactions on August 20, 21 and 24, 2026.

Rhea-AI Filing Summary

Smart Sand, Inc. (SND) reported that Executive Vice President, General Counsel and Secretary James Douglas Young sold a total of 47,030 shares of common stock in three open-market or private transactions on August 20, 21 and 24, 2026. The sales were at prices of $4.70, and weighted average prices of $4.83 with ranges of $4.80–$4.88 and $4.77–$4.92 per share. The filing does not state his remaining holdings, and the Rule 10b5-1 trading plan checkbox was not marked.

Insider Trade Summary

Net Seller: 47,030 shares

Net Sell 3 txns

Insider Young James Douglas

Role SEE REMARKS

Sold 47,030 shs ($227K)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,236	$4.70	$11K
Sale	Common Stock F2	19,078	$4.83	$92K
Sale	Common Stock F1	25,716	$4.83	$124K

Holdings After Transaction: Common Stock — 360,821 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 $4.80 to $4.88, 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 sold 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 $4.77 to $4.92, 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 sold at each separate price within the ranges set forth in this footnote.

Key Figures

Shares sold 2026-08-20: 25,716 shares Price 2026-08-20: $4.83 per share Shares sold 2026-08-21: 19,078 shares +4 more

7 metrics

Shares sold 2026-08-20 25,716 shares Common Stock sale at weighted average price with trades from $4.80 to $4.88

Price 2026-08-20 $4.83 per share Weighted average sale price; actual trades ranged $4.80–$4.88

Shares sold 2026-08-21 19,078 shares Common Stock sale at weighted average price with trades from $4.77 to $4.92

Price 2026-08-21 $4.83 per share Weighted average sale price; actual trades ranged $4.77–$4.92

Shares sold 2026-08-24 2,236 shares Common Stock sale at a per-share price listed in the form

Price 2026-08-24 $4.70 per share Reported sale price for 2,236 shares of Common Stock

Total shares sold 47,030 shares Aggregate of three Common Stock sales on August 20, 21 and 24, 2026

Key Terms

weighted average price, open market or private transaction, Rule 10b5-1

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"

Rule 10b5-1 regulatory

"aff_10b5_one is the filing's document-level Rule 10b5-1 checkbox"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

FAQ

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

Who sold shares in Smart Sand, Inc. (SND) in this Form 4 filing?

Executive Vice President, General Counsel and Secretary James Douglas Young reported sales of Smart Sand, Inc. common stock. He is identified as an officer of the company in the filing remarks.

How many SND shares did James Douglas Young sell according to this Form 4?

James Douglas Young sold a total of 47,030 shares of Smart Sand, Inc. common stock, across three reported transactions on August 20, 21 and 24, 2026.

At what prices were the SND shares sold in this Form 4?

One transaction was at $4.70 per share. Two transactions used weighted average prices of $4.83 per share, with actual trade prices ranging from $4.80–$4.88 and $4.77–$4.92 per share, respectively.

Were the Smart Sand (SND) insider sales made under a Rule 10b5-1 plan?

The filing’s Rule 10b5-1 checkbox is not marked, and footnotes do not reference any trading plan. The transactions are therefore reported without being affirmatively identified as made under a Rule 10b5-1 plan.

Does the Form 4 state how many SND shares James Douglas Young holds after these sales?

No. The Form 4 transactions list “total shares following transaction” as null for each entry, so the filing does not specify James Douglas Young’s remaining holdings after these sales.

Were the SND insider sales direct or indirect holdings?

All reported transactions are coded as direct ownership (ownership code "D"), and there are no footnotes indicating that the shares were held through a trust, fund, or other indirect entity.

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

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Available on EDGAR 08/24/2026 - 04:02 PM EDT Accepted by SEC EDGAR 08/24/2026 - 04:01 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^*

Young James Douglas

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SEE REMARKS

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/20/2026

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	08/20/2026		S		25,716	D	$4.83(1)	382,135	D
Common Stock	08/21/2026		S		19,078	D	$4.83(2)	363,057	D
Common Stock	08/24/2026		S		2,236	D	$4.7	360,821	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 $4.80 to $4.88, 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 sold 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 $4.77 to $4.92, 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 sold at each separate price within the ranges set forth in this footnote.

Remarks:

The Reporting Person is Executive Vice President, General Counsel and Secretary of the Issuer.

	/s/ Lee E. Beckelman as Attorney-in-Fact for James D. Young	08/24/2026
	** 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)