(TCX)

Role: Chief Financial Officer
Signature: /s/ Katherine Young, attorney-in-fact for Ivan Ivanov
Stock symbol: TCX
Transactions as of: Jul 15, 2024
Transactions value $: $0
Form type: 4
Date filed: 7/17/2024, 04:43 PM

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	TCX	Stock Option (Right to Buy)	Award	$0	+20K		$0.00	20K	Jul 15, 2024	Common Stock	20K	$21.88	Direct	F1

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

Explanation of Responses:

Id	Content
F1	The Stock Options will vest with respect to (i) 5,000 shares upon the reporting person's completion of six months of service from July 15, 2024 and (ii) the remaining 15,000 shares in a series of 42 successive equal monthly installments upon the reporting person's completion of each additional month of service over the 42-month period thereafter, subject to the reporting person's continued service with the Company through each vesting date.

Content

The Stock Options will vest with respect to (i) 5,000 shares upon the reporting person's completion of six months of service from July 15, 2024 and (ii) the remaining 15,000 shares in a series of 42 successive equal monthly installments upon the reporting person's completion of each additional month of service over the 42-month period thereafter, subject to the reporting person's continued service with the Company through each vesting date.