Teradata (TDC) director Todd McElhatton sells 15,000 company shares

Filing Impact

(High)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

Teradata Corporation director Todd McElhatton reported an open-market sale of 15,000 shares of the company’s common stock. The weighted average price was $33.4681 per share, with individual trades executed between $33.45 and $33.5202. Following these transactions, he directly holds 26,665 common shares.

Insider Trade Summary

Net Seller: 15,000 shares ($502,022)

Net Sell 1 txn

Insider McElhatton Todd

Role null

Sold 15,000 shs ($502K)

Type	Security	Shares	Price	Value
Sale	Common Stock	15,000	$33.4681	$502K

Holdings After Transaction: Common Stock — 26,665 shares (Direct, null)

Footnotes (1)

[object Object]

Key Figures

Shares sold: 15,000 shares Weighted average sale price: $33.4681 per share Sale price range: $33.45 to $33.5202 +1 more

4 metrics

Shares sold 15,000 shares Open-market sale of Teradata common stock

Weighted average sale price $33.4681 per share Average price across multiple sale transactions

Sale price range $33.45 to $33.5202 Price range for individual sale trades

Shares held after sale 26,665 shares Direct ownership following the reported transaction

Key Terms

open-market sale, weighted average price, Common Stock, Form 4

4 terms

open-market sale financial

"transaction_action: "open-market sale" and code description "Sale in open market or private transaction""

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 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.

Common Stock financial

"security_title: "Common Stock" for the reported transaction"

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.

Form 4 Insider Transactions: What Each Field Means →

05/26/2026 - 04:45 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^*

McElhatton Todd

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/22/2026

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	05/22/2026		S		15,000	D	$33.4681⁽¹⁾	26,665	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. The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.45 to $33.5202. The reporting person has provided to the issuer and will provide any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

Remarks:

	/s/ Juliet C. Shadoan, Attorney-in-fact for Todd McElhatton	05/26/2026
	** 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 transaction did Teradata (TDC) director Todd McElhatton report?

Todd McElhatton reported selling 15,000 shares of Teradata common stock in an open-market transaction. The filing shows it as a routine sale of existing shares rather than an option exercise or derivative conversion.

At what price did Todd McElhatton sell Teradata (TDC) shares?

The reported weighted average sale price was $33.4681 per share. According to the filing, individual trades occurred in multiple transactions at prices ranging from $33.45 to $33.5202 during the same trading date.

How many Teradata (TDC) shares does Todd McElhatton hold after the sale?

After selling 15,000 shares, Todd McElhatton directly holds 26,665 Teradata common shares. This post-transaction holding reflects his remaining direct ownership position as reported in the Form 4 insider filing.

Was Todd McElhatton’s Teradata (TDC) trade a market purchase or sale?

The Form 4 identifies the transaction as an open-market sale of common stock. The transaction code is “S,” which in SEC reporting indicates a sale in the open market or in a private transaction, not a purchase or grant.

Does the Teradata (TDC) Form 4 disclose how sale prices were calculated?

Yes. The filing notes the reported price is a weighted average across multiple trades. It also states shares were sold at prices ranging from $33.45 to $33.5202, and detailed trade breakdowns are available upon request.