[Form 3] TERADATA CORP /DE/ Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

Teradata Corporation (TDC) received an initial ownership report showing that investment entities affiliated with Lynrock Lake beneficially own 9,416,666 shares of Teradata common stock, held indirectly through Lynrock Lake Master Fund LP. This position represents more than 10% of Teradata’s outstanding common stock, driven by Teradata’s stock repurchase activity and the resulting decrease in shares outstanding disclosed in its Form 10-Q filed on November 5, 2025. Lynrock Lake LP, Lynrock Lake Partners LLC, and Cynthia Paul may be deemed beneficial owners of these shares but each disclaims ownership beyond their respective economic interest.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Lynrock Lake LP

(Last) (First) (Middle)

2 INTERNATIONAL DRIVE, SUITE 130

(Street)

RYE BROOK NY 10573

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
11/05/2025

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

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

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

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

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

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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	9,416,666(1)	I	By Fund(2)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person^*

Lynrock Lake LP

(Last) (First) (Middle)

2 INTERNATIONAL DRIVE, SUITE 130

(Street)

RYE BROOK NY 10573

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

LYNROCK LAKE PARTNERS LLC

(Last) (First) (Middle)

C/O LYNROCK LAKE LP

2 INTERNATIONAL DRIVE, SUITE 130

(Street)

RYE BROOK NY 10573

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

Paul Cynthia

(Last) (First) (Middle)

C/O LYNROCK LAKE LP

2 INTERNATIONAL DRIVE, SUITE 130

(Street)

RYE BROOK NY 10573

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer

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

Explanation of Responses:

1. The reported securities represent more than 10% of the Issuer's common stock as a result of Issuer stock repurchases and the corresponding decrease in outstanding shares as disclosed in the Issuer's quarterly report on Form 10-Q filed on November 5, 2025.

2. Shares are held directly by Lynrock Lake Master Fund LP ("Lynrock Fund"). The investment manager and general partner of Lynrock Fund are Lynrock Lake LP ("Lynrock") and Lynrock Lake Partners LLC ("Lynrock GP"), respectively, and each may be deemed to beneficially own the shares held by Lynrock Fund. Cynthia Paul is the Chief Investment Officer of Lynrock and Sole Member of Lynrock GP and may be deemed to beneficially own the shares held by Lynrock Fund. Each of Lynrock, Lynrock GP and Ms. Paul disclaims beneficial ownership in these shares except to the extent of its or her respective pecuniary interest therein.

	Lynrock Lake LP, By: Lynrock Lake Partners LLC, its General Partner, By: /s/ Cynthia Paul, Sole Member	11/17/2025
	Lynrock Lake Partners LLC, By: /s/ Cynthia Paul, Sole Member	11/17/2025
	/s/ Cynthia Paul	11/17/2025
	** 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 5 (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).
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FAQ

What does the Teradata (TDC) Form 3 filing report about ownership?

The filing reports that Lynrock Lake-affiliated entities beneficially own 9,416,666 shares of Teradata common stock, held indirectly through Lynrock Lake Master Fund LP.

How large is Lynrock Lake’s beneficial ownership stake in Teradata (TDC)?

According to the filing, the 9,416,666 shares reported represent more than 10% of Teradata’s outstanding common stock following issuer stock repurchases.

Why did Lynrock Lake become a more than 10% owner of Teradata (TDC)?

The filing explains that the stake exceeds 10% because Teradata repurchased its own stock, reducing the number of shares outstanding as disclosed in its Form 10-Q filed on November 5, 2025.

Who is Cynthia Paul in relation to the Teradata (TDC) ownership filing?

The filing states that Cynthia Paul is the Chief Investment Officer of Lynrock Lake LP and Sole Member of Lynrock Lake Partners LLC and may be deemed to beneficially own the shares held by Lynrock Lake Master Fund LP.

Is Lynrock Lake’s ownership in Teradata (TDC) direct or indirect?

The shares are held directly by Lynrock Lake Master Fund LP; Lynrock Lake LP, Lynrock Lake Partners LLC, and Cynthia Paul may be deemed indirect beneficial owners through their roles with the fund.

Do Lynrock Lake and Cynthia Paul fully acknowledge beneficial ownership of all reported Teradata (TDC) shares?

The filing notes that Lynrock Lake LP, Lynrock Lake Partners LLC, and Cynthia Paul each disclaim beneficial ownership of the reported shares except to the extent of their respective pecuniary interest.