Teradata CRO sells 34,317 shares under trading plan

Teradata’s Chief Revenue Officer Richard J. Petley reported an open-market sale of company stock.

Rhea-AI Filing Summary

Teradata’s Chief Revenue Officer Richard J. Petley reported an open-market sale of company stock. On May 7, he sold 34,317 shares of Teradata common stock at $30.84 per share. After this transaction, he directly holds 207,627 shares. The sale was executed under a pre-arranged Rule 10b5-1 trading plan adopted on December 5, 2025, indicating the trade was scheduled in advance rather than timed discretionarily.

Insights

Insider transactions analyst

CRO’s planned sale is moderate and leaves a sizable remaining stake.

Chief Revenue Officer Richard J. Petley executed an open-market sale of 34,317 shares of Teradata common stock at $30.84 per share. Following the sale, he directly holds 207,627 shares, indicating he retains a substantial equity position.

The transaction was carried out under a Rule 10b5-1 trading plan adopted on December 5, 2025. Such plans are pre-arranged and help separate trading decisions from day-to-day information, so the timing of this sale carries limited signaling value about Teradata’s near-term prospects based on this filing alone.

Insider Trade Summary 10b5-1

Net Seller: 34,317 shares

Net Sell 1 txn

Insider Petley Richard J

Role Chief Revenue Officer

Sold 34,317 shs ($1.06M)

Type	Security	Shares	Price	Value
Sale	Common Stock	34,317	$30.84	$1.06M

Holdings After Transaction: Common Stock — 207,627 shares (Direct)

Footnotes (1)

1. F1. Sale of shares pursuant to Rule 10b5-1 trading plan adopted by the Reporting Person on December 5, 2025.

Key Figures

Shares sold: 34,317 shares Sale price: $30.84 per share Shares held after: 207,627 shares +2 more

5 metrics

Shares sold 34,317 shares Open-market sale on May 7, 2026

Sale price $30.84 per share Price for Teradata common stock sold

Shares held after 207,627 shares Direct holdings following the transaction

Transaction code S Sale in open market or private transaction

Plan adoption date December 5, 2025 Rule 10b5-1 trading plan adoption

Key Terms

Rule 10b5-1 trading plan, open-market sale, Common Stock, Form 4

4 terms

Rule 10b5-1 trading plan regulatory

"Sale of shares pursuant to Rule 10b5-1 trading plan adopted by the Reporting Person"

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""

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.

Common Stock financial

""security_title": "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

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.

FAQ

What insider transaction did Teradata (TDC) report for Richard J. Petley?

Teradata reported that Chief Revenue Officer Richard J. Petley sold 34,317 shares of common stock. The sale was an open-market transaction at $30.84 per share, documented in a Form 4 insider trading report filed with the SEC.

At what price did the Teradata (TDC) CRO sell his shares?

Richard J. Petley sold his Teradata shares at $30.84 per share. This price applies to the 34,317 common shares sold in the reported open-market transaction on May 7, according to the Form 4 disclosure.

How many Teradata (TDC) shares does the CRO hold after this sale?

After the reported sale, Chief Revenue Officer Richard J. Petley directly holds 207,627 Teradata common shares. This post-transaction balance shows he continues to have a significant equity stake in the company following the open-market sale.

Was the Teradata (TDC) insider sale made under a Rule 10b5-1 plan?

Yes. The filing states the sale was made under a Rule 10b5-1 trading plan adopted by Richard J. Petley on December 5, 2025. Such plans pre-schedule trades, reducing the significance of short-term timing decisions.

What type of transaction did Teradata (TDC) report on the Form 4?

The Form 4 reports an open-market sale of Teradata common stock, coded as an “S” transaction. This indicates a sale in the open market or a private transaction rather than an option exercise, tax withholding, or gift.

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Accepted by SEC EDGAR 05/08/2026 - 04:24 PM 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).

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^*

Petley Richard J

(Last) (First) (Middle)

C/O TERADATA CORPORATION

17095 VIA DEL CAMPO

(Street)

SAN DIEGO CALIFORNIA 92127

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Revenue Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/07/2026

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	05/07/2026		S		34,317(1)	D	$30.84	207,627	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. Sale of shares pursuant to Rule 10b5-1 trading plan adopted by the Reporting Person on December 5, 2025.

Remarks:

	/s/ Juliet C. Shadoan, Attorney-in-fact for Richard J. Petley	05/08/2026
	** 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)