Was Todd M. Duchene’s CORZ share sale done under a trading plan?

Yes. The Form 4 states that Todd M. Duchene’s reported transactions were effected under a Rule 10b5-1 trading plan adopted on December 5, 2025. Such pre-arranged plans schedule trades in advance, helping separate routine portfolio management from discretionary timing decisions.

Core Scientific (CORZ) officer sells 10,000 shares under trading plan

Filing Impact

(Very High)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

Core Scientific, Inc. officer Todd M. Duchene reported a mix of equity compensation and share dispositions. On March 31, he received 216,734 shares of common stock through the settlement of performance-based restricted stock units, while 97,652 shares were withheld to cover tax obligations upon vesting.

On April 1, Duchene sold 10,000 shares of common stock in an open-market transaction at a weighted average price of $15.2523 per share under a pre-arranged Rule 10b5-1 trading plan. Following these transactions, he directly holds 2,047,089 shares of Core Scientific common stock.

Insider Trade Summary 10b5-1

Net Seller: 10,000 shares ($152,523)

Net Sell 3 txns

Insider DUCHENE TODD M

Role See remarks

Sold 10,000 shs ($153K)

Type	Security	Shares	Price	Value
Sale	Common Stock	10,000	$15.2523	$153K
Grant/Award	Common Stock	216,734	$0.00	--
Tax Withholding	Common Stock	97,652	$14.96	$1.46M

Holdings After Transaction: Common Stock — 2,047,089 shares (Direct)

Footnotes (1)

Represents a performance-based restricted stock unit ("PSU") grant. The Reporting Person was granted PSUs on April 28, 2025 that vest based on the satisfaction of specified performance criteria, provided that the Reporting Person continues to provide service to the Issuer through the end of the applicable measurement period. Effective as of March 31, 2026, in accordance with the terms of the applicable PSUs, the Compensation Committee of the Board of Directors of the Issuer certified the level of satisfaction of the applicable prescribed performance criteria and approved the settlement of such PSUs. Represents shares withheld to satisfy withholding tax obligations upon the vesting of restricted stock units. 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 $14.98 to $15.50, 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

Open-market sale: 10,000 shares at $15.2523/share PSU settlement: 216,734 shares Tax-withholding shares: 97,652 shares at $14.96/share +3 more

6 metrics

Open-market sale 10,000 shares at $15.2523/share Common Stock sale on April 1, 2026

PSU settlement 216,734 shares Performance-based restricted stock units settled March 31, 2026

Tax-withholding shares 97,652 shares at $14.96/share Shares withheld for tax obligations on RSU vesting

Post-transaction holdings 2,047,089 shares Direct ownership after reported transactions

Sale price range $14.98–$15.50 Price range for shares sold in multiple trades

Trading plan adoption date December 5, 2025 Rule 10b5-1 trading plan governing reported trades

Key Terms

performance-based restricted stock unit, PSU, Rule 10b5-1 trading plan, withholding tax obligations, +1 more

5 terms

performance-based restricted stock unit financial

"Represents a performance-based restricted stock unit ("PSU") grant."

A performance-based restricted stock unit is a promise of company shares given to an employee that only becomes actual stock if specific performance targets are met and any required time at the company is completed. For investors, these awards matter because they can dilute existing shares when earned and signal management’s confidence or the company’s expected future performance, much like a bonus cheque that only clears when pre-set goals are reached.

PSU financial

"The Reporting Person was granted PSUs on April 28, 2025 that vest..."

A PSU is a company where the government owns a controlling stake and often plays a direct role in its management and strategy. Think of it like a business that operates with public oversight, similar to a town-run utility versus a private neighborhood service. Investors watch PSUs differently because government involvement can affect profits, dividend policies, regulatory treatment and stability, so these stocks may behave more like policy instruments than pure market-driven enterprises.

Rule 10b5-1 trading plan regulatory

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

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.

withholding tax obligations financial

"Represents shares withheld to satisfy withholding tax obligations upon the vesting of restricted stock units."

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.

Form 4 Insider Transactions: What Each Field Means →

04/02/2026 - 08:25 PM

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^*

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)
03/31/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	03/31/2026		A⁽¹⁾		216,734	A	$0	2,154,741	D
Common Stock	03/31/2026		F⁽²⁾		97,652	D	$14.96	2,057,089	D
Common Stock	04/01/2026		S⁽³⁾		10,000	D	$15.2523⁽⁴⁾	2,047,089	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Represents a performance-based restricted stock unit ("PSU") grant. The Reporting Person was granted PSUs on April 28, 2025 that vest based on the satisfaction of specified performance criteria, provided that the Reporting Person continues to provide service to the Issuer through the end of the applicable measurement period. Effective as of March 31, 2026, in accordance with the terms of the applicable PSUs, the Compensation Committee of the Board of Directors of the Issuer certified the level of satisfaction of the applicable prescribed performance criteria and approved the settlement of such PSUs.

2. Represents shares withheld to satisfy withholding tax obligations upon the vesting of restricted stock units.

3. 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.

4. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.98 to $15.50, 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	04/02/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transactions did CORZ officer Todd M. Duchene report?

Todd M. Duchene reported receiving 216,734 Core Scientific (CORZ) shares from performance-based restricted stock units and the withholding of 97,652 shares for taxes. He also sold 10,000 shares in an open-market transaction, all reflected as direct holdings changes.

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

Todd M. Duchene sold 10,000 shares of Core Scientific common stock. The sale occurred at a weighted average price of $15.2523 per share, with multiple trades executed in a price range between $14.98 and $15.50, according to the reported Form 4 data.

What stock awards did Todd M. Duchene receive from Core Scientific (CORZ)?

Todd M. Duchene received 216,734 Core Scientific shares through the settlement of performance-based restricted stock units. These PSUs vested after the compensation committee certified that specified performance criteria were satisfied, contingent on his continued service through the applicable measurement period.

Why were 97,652 Core Scientific (CORZ) shares withheld from Duchene?

Core Scientific withheld 97,652 shares from Todd M. Duchene to satisfy withholding tax obligations when his restricted stock units vested. This tax-withholding disposition is not an open-market sale but an automatic share reduction to cover tax liabilities tied to the equity award.

How many Core Scientific (CORZ) shares does Duchene hold after these transactions?

After the reported grant, tax withholding, and sale, Todd M. Duchene directly holds 2,047,089 shares of Core Scientific common stock. This figure reflects his position following the 10,000-share open-market sale and the settlement of performance-based restricted stock units.