(TDC)

Role: 10%+ Owner
Signature: Lynrock Lake LP, By: Lynrock Lake Partners LLC, its General Partner, By: /s/ Cynthia Paul, Sole Member
Stock symbol: TDC
Transactions as of: Nov 5, 2025
Transactions value $: $0
Form type: 3
Date filed: 11/17/2025, 05:44 PM
Previous filing: Jun 13, 2025
SEC: View on sec.gov

Reporting Owners (3)

Name	Relationship	Address	Signature	Signature date	CIK
Lynrock Lake LP	10%+ Owner	2 INTERNATIONAL DRIVE, SUITE 130, RYE BROOK	Lynrock Lake LP, By: Lynrock Lake Partners LLC, its General Partner, By: /s/ Cynthia Paul, Sole Member	2025-11-17	0001734341
LYNROCK LAKE PARTNERS LLC	10%+ Owner	C/O LYNROCK LAKE LP, 2 INTERNATIONAL DRIVE, SUITE 130, RYE BROOK	Lynrock Lake Partners LLC, By: /s/ Cynthia Paul, Sole Member	2025-11-17	0001771092
Paul Cynthia	10%+ Owner	C/O LYNROCK LAKE LP, 2 INTERNATIONAL DRIVE, SUITE 130, RYE BROOK	/s/ Cynthia Paul	2025-11-17	0001736572

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	TDC	Common Stock						9.42M	Nov 5, 2025	By Fund	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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.
F2	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.

Content

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.

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.