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$ Value

$0

Shares

15,625

Price

$0

Filed

Jan 5

Insider

Name

DEL MATTO ANDREW H

Title

Chief Financial Officer

CIK

0001288241

Roles

Officer

Transaction Details

Transaction Date

2026-01-01

Code

A

Table

Derivative

Ownership

Direct

Equity Swap

No

Shares After

394,102

Footnotes

Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder. | The reported shares were sold to satisfy the reporting person's tax obligations in connection with the settlement of restricted stock units, or RSUs. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.48 to $17.88, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (3) through (5) to this Form 4. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.57 to $17.44, inclusive. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.82 to $17.60, inclusive. | Each RSU represents a contingent right to receive one share of Class B Common Stock. | Settlement of the vested RSUs was deferred until December 31, 2025. | The RSUs vested on December 22, 2025. | The shares of Class B Common Stock automatically convert to shares of Class A Common Stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation. | The remaining RSUs vest in 13 equal quarterly installments beginning on April 1, 2026.

Filing Info

Accession No.

0001288241-26-000002

Form Type

4

Issuer CIK

0002063196

DEL MATTO ANDREW H's History

Date Ticker Type Value
2026-04-01 NTSK M $0
2026-04-01 NTSK M $0
2026-04-01 NTSK M $0
2026-04-01 NTSK F $706K
2026-01-06 NTSK C
2026-01-06 NTSK $856K
2026-01-06 NTSK C $0
2026-01-05 NTSK C
2026-01-05 NTSK $670K
2026-01-05 NTSK C $0

Other Insiders at NTSK (90d)

Insider Bought Sold Last
DEL MATTO ANDREW H
Chief Financial Officer
2026-04-01
Salem Enrique T 2025-12-09
Griffith William J.G. 2026-03-13
ICONIQ Strategic Partners VI, L.P. 2026-03-13
Beri Sanjay
CEO and Chairman
2026-04-01
Bousquet Raphael
Chief Revenue Officer
2026-04-01