Core Scientific (CORZ) officer sells 10,000 shares under 10b5-1 plan

Rhea-AI Filing Summary

Core Scientific, Inc. officer Todd M. Duchene reported selling 10,000 shares of common stock in open-market transactions. The sales occurred on June 15, 2026 in two trades at weighted average prices of $28.79 and $28.19 per share. According to the disclosure, these transactions were executed under a pre-arranged Rule 10b5-1 trading plan adopted on December 5, 2025, indicating the timing was scheduled in advance rather than a discretionary move.

Insights

Equity market structure analyst

Pre-planned 10,000-share sale by Core Scientific officer looks routine.

Officer Todd M. Duchene reported selling 10,000 shares of Core Scientific common stock in two open-market trades on June 15, 2026. The sale used a weighted average price of about $28.79 for 100 shares and $28.1875 for 9,900 shares.

The filing states these sales were made under a Rule 10b5-1 trading plan adopted on December 5, 2025. Such plans are set up in advance and execute automatically, so the timing generally carries limited informational value about the insider’s current view of the stock.

The transactions are all non-derivative common stock sales, with no option exercises or derivative conversions reported, and the filing does not show additional derivative positions. Subsequent company filings may provide further context on any future transactions or changes in the officer’s holdings.

Insider Trade Summary 10b5-1

Net Seller: 10,000 shares ($281,935)

Net Sell 2 txns

Insider DUCHENE TODD M

Role See remarks

Sold 10,000 shs ($282K)

Type	Security	Shares	Price	Value
Sale	Common Stock	9,900	$28.1875	$279K
Sale	Common Stock	100	$28.79	$3K

Holdings After Transaction: Common Stock — 2,058,995 shares (Direct, null)

Footnotes (1)

1. The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 5, 2025. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.64 to $28.54, 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 such range.

Key Figures

Total shares sold: 10,000 shares First trade size: 100 shares First trade price: $28.79 per share +3 more

6 metrics

Total shares sold 10,000 shares Aggregate insider sales on June 15, 2026

First trade size 100 shares Open-market sale of common stock

First trade price $28.79 per share Weighted average price for 100-share sale

Second trade size 9,900 shares Open-market sale of common stock

Second trade price $28.1875 per share Weighted average price for 9,900-share sale

Price range detail $27.64–$28.54 Range of prices within one weighted-average transaction

Key Terms

Rule 10b5-1 trading plan, open-market sale, weighted average price, non-derivative, +1 more

5 terms

Rule 10b5-1 trading plan regulatory

"The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted..."

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

open-market sale financial

"transaction_action": "open-market sale","transaction_code_description": "Sale in open market..."

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

weighted average price financial

"The price reported is a weighted average price. These shares were sold in multiple transactions..."

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.

non-derivative financial

""transaction_type": "non-derivative","transaction_shares": "100.0000""

Form 4 regulatory

"The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan..."

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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Form 4 Insider Transactions: What Each Field Means →

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).

X

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^*

DUCHENE TODD M

(Last) (First) (Middle)

C/O CORE SCIENTIFIC, INC.

838 WALKER ROAD, SUITE 21-2105

(Street)

DOVER DELAWARE 19904

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Core Scientific, Inc./tx [ CORZ ]

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)
06/15/2026

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	06/15/2026		S(1)		9,900	D	$28.1875(2)	2,058,995	D
Common Stock	06/15/2026		S(1)		100	D	$28.79	2,058,895	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 transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 5, 2025.

2. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.64 to $28.54, 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 such range.

Remarks:

Chief Legal and Administrative Officer

	/s/ Todd DuChene	06/17/2026
	** 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)

FAQ

What insider transaction did Core Scientific (CORZ) report for Todd M. Duchene?

Core Scientific officer Todd M. Duchene reported selling 10,000 shares of common stock. The Form 4 shows two open-market sales on June 15, 2026, with weighted average prices of $28.79 for 100 shares and $28.1875 for 9,900 shares.

At what prices did Todd M. Duchene sell Core Scientific (CORZ) shares?

He sold 100 Core Scientific shares at a weighted average price of $28.79 and 9,900 shares at $28.1875. The filing notes multiple trades within a $27.64 to $28.54 range for one transaction, summarized using weighted average pricing.

How many Core Scientific (CORZ) shares did Todd M. Duchene sell in total?

The Form 4 reports total sales of 10,000 Core Scientific common shares. This consists of two non-derivative open-market transactions: 100 shares in one trade and 9,900 shares in a second trade, both executed on June 15, 2026.

Was Todd M. Duchene’s Core Scientific (CORZ) share sale under a Rule 10b5-1 plan?

Yes. The filing states the transactions were effected under a Rule 10b5-1 trading plan adopted on December 5, 2025. Such pre-arranged plans automate trades over time, reducing the significance of trade timing as a discretionary signal.

What type of insider transaction did the Core Scientific (CORZ) Form 4 disclose?

The Form 4 discloses non-derivative open-market sales of common stock coded as “S.” There were no option exercises, conversions, gifts, or tax-withholding dispositions reported, indicating straightforward stock sales rather than complex derivative-related activity.