Ploeg David Vander

Insider

First SEC filing: Dec. 14, 2010 · Latest: Dec. 14, 2010

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Insider at

0 buys (P) 1 sells (S) Net: $-115,126 + 7 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

7 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 12, 2026	KNX	S	2,200	$52.33	$115,126	30,252 Indirect	-6.78%	Disposed	31.5% (price as of 2026-08-20)
May 16, 2023	KNX	A	2,403	$55.12	$132,453	33,602 Indirect	+7.70%	Acquired	24.8% (price as of 2026-08-20)
May 31, 2018	KNX	A	2,458	—	—	21,074 Direct	+13.20%	Acquired	(price as of 2026-08-20)
May 8, 2015	KNX	A	3,532	—	—	15,240 Direct	+30.17%	Acquired	(price as of 2026-08-20)
May 23, 2014	KNX	A	3,833	—	—	11,708 Direct	+48.67%	Acquired	(price as of 2026-08-20)
Feb. 22, 2013	KNX	A	2,620	—	—	7,875 Direct	+49.86%	Acquired	(price as of 2026-08-20)
April 2, 2012	KNX	A	2,919	—	—	5,255 Direct	+124.96%	Acquired	(price as of 2026-08-20)
Feb. 18, 2011	KNX	A	2,336	—	—	2,336 Direct	—	Acquired	(price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Dec. 14, 2010	KNX	Stock Option (Right-To-Buy)→ Class A Common Stock	—	Direct