Lightspeed Venture Partners Select, L.P.

Ten-percent owner · NTSK

As of 2026-09-16, Lightspeed Venture Partners Select, L.P. has 437 Form 4 transactions on record across 1 company — 437 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Trades by company

NTSK · 437 trades

Filing ledger

Date	Company	Action	Shares @ price	Value	Ownership Δ	Owned after	Filing
2026-09-11	NTSK	Sale	10,621 @ $14.90	$158K	−100.0% of holding	0	Form 4
2026-07-09	NTSK	Sale	219,075 @ $12.23	$2.7M	−100.0% of holding	0	Form 4
2026-07-08	NTSK	Sale	10,621 @ $11.70	$124K	−100.0% of holding	0	Form 4
2026-06-15	NTSK	Sale	336,173 @ $9.00	$3.0M	−100.0% of holding	0	Form 4
2026-06-12	NTSK	Sale	1,313,827 @ $9.19	$12.1M	−79.6% of holding	336,173	Form 4

432 award / exercise / gift records — not counted as purchases

Date	Company	Action	Shares	Owned after	Filing
2026-09-10	NTSK	Other acquisition	10,621	10,621	Form 4
2026-09-10	NTSK	Other acquisition	792,813	0	Form 4
2026-09-10	NTSK	Other acquisition	792,813	792,813	Form 4
2026-09-10	NTSK	Other acquisition	3,034,693	0	Form 4
2026-09-10	NTSK	Conversion	3,034,693	14,161,900	Form 4
2026-09-10	NTSK	Conversion	3,034,693	3,034,693	Form 4
2026-09-10	NTSK	Conversion	3,034,693	14,161,900	Form 4
2026-09-10	NTSK	Conversion	3,034,693	3,034,693	Form 4
2026-09-10	NTSK	Conversion	3,034,693	14,161,900	Form 4
2026-09-10	NTSK	Conversion	3,034,693	3,034,693	Form 4
2026-09-10	NTSK	Conversion	3,034,693	14,161,900	Form 4
2026-09-10	NTSK	Conversion	3,034,693	3,034,693	Form 4
2026-09-10	NTSK	Conversion	3,034,693	14,161,900	Form 4
2026-09-10	NTSK	Conversion	3,034,693	3,034,693	Form 4
2026-09-10	NTSK	Conversion	3,034,693	14,161,900	Form 4
2026-09-10	NTSK	Conversion	3,034,693	3,034,693	Form 4
2026-09-10	NTSK	Conversion	3,034,693	3,034,693	Form 4
2026-09-10	NTSK	Conversion	3,034,693	14,161,900	Form 4
2026-09-10	NTSK	Conversion	3,034,693	3,034,693	Form 4
2026-09-10	NTSK	Conversion	3,034,693	14,161,900	Form 4
2026-09-10	NTSK	Conversion	3,034,693	3,034,693	Form 4
2026-09-10	NTSK	Conversion	3,034,693	14,161,900	Form 4
2026-09-10	NTSK	Conversion	3,034,693	3,034,693	Form 4
2026-09-10	NTSK	Conversion	3,034,693	14,161,900	Form 4
2026-09-10	NTSK	Conversion	3,034,693	3,034,693	Form 4
2026-09-10	NTSK	Conversion	3,034,693	14,161,900	Form 4
2026-09-10	NTSK	Conversion	3,034,693	14,161,900	Form 4
2026-09-10	NTSK	Conversion	3,034,693	3,034,693	Form 4
2026-09-10	NTSK	Conversion	3,034,693	3,034,693	Form 4
2026-09-10	NTSK	Conversion	3,034,693	14,161,900	Form 4
2026-09-10	NTSK	Conversion	3,034,693	14,161,900	Form 4
2026-09-10	NTSK	Conversion	3,034,693	3,034,693	Form 4
2026-09-10	NTSK	Conversion	3,034,693	14,161,900	Form 4
2026-09-10	NTSK	Conversion	3,034,693	3,034,693	Form 4
2026-09-10	NTSK	Conversion	3,034,693	3,034,693	Form 4
2026-09-10	NTSK	Conversion	3,034,693	14,161,900	Form 4
2026-09-10	NTSK	Conversion	3,034,693	14,161,900	Form 4
2026-09-10	NTSK	Conversion	3,034,693	3,034,693	Form 4
2026-07-09	NTSK	Conversion	219,075	0	Form 4
2026-07-09	NTSK	Conversion	219,075	219,075	Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.