Teradata CEO reports tax share withholding

Teradata President and CEO Stephen McMillan reported a routine tax-related share disposal.

Rhea-AI Filing Summary

Teradata President and CEO Stephen McMillan reported a routine tax-related share disposal. On the vesting of restricted share units, the company withheld 20,090 shares of common stock at $31.49 per share to satisfy his tax obligations. After this withholding, he directly owns 643,100 shares of Teradata common stock. This was a tax-withholding disposition, not an open-market purchase or sale.

Insider Trade Summary

Exercise Price or Tax Liability: 20,090 shares

Exercise Price or Tax Liability 1 txn

Insider MCMILLAN STEPHEN

Role President and CEO

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	20,090	$31.49	$633K

Holdings After Transaction: Common Stock — 643,100 shares (Direct)

Footnotes (1)

1. F1. Shares withheld by the company to satisfy tax obligation upon vesting of restricted share units.

FAQ

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

What insider transaction did Teradata (TDC) report for CEO Stephen McMillan?

Teradata reported that CEO Stephen McMillan had 20,090 common shares withheld to cover taxes due on vesting restricted share units. This tax-withholding disposition is coded “F” on Form 4 and does not represent an open-market share sale or purchase.

How many Teradata (TDC) shares were involved in Stephen McMillan’s tax withholding?

The transaction involved 20,090 Teradata common shares withheld by the company at $31.49 per share. These shares were used to satisfy McMillan’s tax obligations when restricted share units vested, rather than being sold on the open market to third-party buyers.

What price per share was used for Teradata (TDC) CEO McMillan’s withheld shares?

The company applied a price of $31.49 per Teradata share for the 20,090 shares withheld. This price determines the value used to cover Stephen McMillan’s tax liability triggered by the vesting of his restricted share units, as reflected in the Form 4 filing.

How many Teradata (TDC) shares does Stephen McMillan hold after this Form 4 transaction?

Following the tax-withholding disposition, Stephen McMillan directly owns 643,100 shares of Teradata common stock. This figure is reported as his total direct holdings after the company withheld 20,090 shares upon vesting of restricted share units for tax purposes.

Was Stephen McMillan’s Teradata (TDC) Form 4 transaction an open-market sale?

No, the Form 4 describes a tax-withholding disposition, not an open-market sale. The company withheld 20,090 shares to satisfy McMillan’s tax obligations when restricted share units vested, so no discretionary sale of shares into the market occurred in this transaction.

What does transaction code “F” mean in the Teradata (TDC) CEO’s Form 4?

Transaction code “F” indicates payment of an exercise price or tax liability by delivering securities. In this case, Teradata withheld 20,090 common shares from Stephen McMillan upon RSU vesting to cover his tax obligation, rather than him selling shares on the open market.

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

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Accepted by SEC EDGAR 03/03/2026 - 04:49 PM EST 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^*

MCMILLAN STEPHEN

(Last) (First) (Middle)

C/O TERADATA CORPORATION

17095 VIA DEL CAMPO

(Street)

SAN DIEGO CA 92127

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
TERADATA CORP /DE/ [ TDC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President and CEO

3. Date of Earliest Transaction (Month/Day/Year)
02/27/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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	02/27/2026		F		20,090(1)	D	$31.49	643,100	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. Shares withheld by the company to satisfy tax obligation upon vesting of restricted share units.

Remarks:

	/s/ Juliet C. Shadoan, Attorney-in-fact for Stephen McMillan	03/03/2026
	** 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.
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