David J Vajda

CIK 1220902 · View on SEC EDGAR ↗

Insider

First SEC filing: Jan. 26, 2004 · Latest: Jan. 26, 2004

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

NI selling Jan. 28, 2005

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 25 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

25 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 17, 2005	NI	M	5,000	$16.22	$81,100	0 Direct	-100.00%	Disposed	558.4% (price as of 2026-08-19)
Aug. 17, 2005	NI	M	5,000	$16.22	$81,100	50,699 Direct	+10.94%	Acquired	558.4% (price as of 2026-08-19)
Jan. 28, 2005	NI	S	365	$22.64	$8,264	45,699 Direct	-0.79%	Disposed	371.7% (price as of 2026-08-19)
Jan. 28, 2005	NI	D	990	—	—	46,064 Direct	-2.10%	Disposed	(price as of 2026-08-19)
Jan. 3, 2005	NI	A	2,250	—	—	2,250 Indirect	—	Acquired	(price as of 2026-08-19)
Jan. 3, 2005	NI	A	46,286	—	—	46,286 Direct	—	Acquired	(price as of 2026-08-19)
Jan. 3, 2005	NI	S	421	—	—	47,054 Direct	-0.89%	Disposed	(price as of 2026-08-19)
Jan. 3, 2005	NI	D	1,142	—	—	47,475 Direct	-2.35%	Disposed	(price as of 2026-08-19)
Dec. 31, 2004	NI	J	74	—	—	1,283 Indirect	+6.12%	Acquired	(price as of 2026-08-19)
Dec. 31, 2004	NI	J	82	—	—	2,250 Indirect	+3.78%	Acquired	(price as of 2026-08-19)
Aug. 23, 2004	NI	J	133	—	—	1,210 Indirect	+12.35%	Acquired	(price as of 2026-08-19)
Aug. 23, 2004	NI	J	205	—	—	2,168 Indirect	+10.44%	Acquired	(price as of 2026-08-19)
Aug. 20, 2004	NI	M	5,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Aug. 20, 2004	NI	M	5,000	$14.38	$71,900	48,617 Direct	+11.46%	Acquired	642.6% (price as of 2026-08-19)
Jan. 29, 2004	NI	D	350	—	—	43,617 Direct	-0.80%	Disposed	(price as of 2026-08-19)
Jan. 29, 2004	NI	A	0	—	—	44,547 Direct	0.00%	Acquired	(price as of 2026-08-19)
Jan. 29, 2004	NI	S	580	$21.36	$12,389	47,926 Direct	-1.20%	Disposed	399.9% (price as of 2026-08-19)
Jan. 29, 2004	NI	A	1,650	—	—	48,506 Direct	+3.52%	Acquired	(price as of 2026-08-19)
Jan. 23, 2004	NI	A	2,000	—	—	2,000 Indirect	—	Acquired	(price as of 2026-08-19)
Jan. 5, 2004	NI	D	404	—	—	44,547 Direct	-0.90%	Disposed	(price as of 2026-08-19)
Jan. 5, 2004	NI	A	0	—	—	45,638 Direct	0.00%	Acquired	(price as of 2026-08-19)
Jan. 5, 2004	NI	A	1,905	—	—	50,343 Direct	+3.93%	Acquired	(price as of 2026-08-19)
Jan. 1, 2004	NI	A	12,199	—	—	48,438 Direct	+33.66%	Acquired	(price as of 2026-08-19)
Jan. 1, 2004	NI	A	18,855	—	—	18,855 Direct	—	Acquired	(price as of 2026-08-19)
Aug. 8, 2003	NI	J	73	—	—	1,076 Indirect	+7.28%	Acquired	(price as of 2026-08-19)
Aug. 8, 2003	NI	J	99	—	—	1,963 Indirect	+5.31%	Acquired	(price as of 2026-08-19)
Aug. 8, 2003	NI	S	500	$18.82	$9,410	36,239 Direct	-1.36%	Disposed	467.4% (price as of 2026-08-19)
Aug. 7, 2003	NI	M	4,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Aug. 7, 2003	NI	S	500	$18.86	$9,430	36,739 Direct	-1.34%	Disposed	466.2% (price as of 2026-08-19)
Aug. 7, 2003	NI	S	1,100	$18.87	$20,757	37,239 Direct	-2.87%	Disposed	465.9% (price as of 2026-08-19)
Aug. 7, 2003	NI	M	4,000	$16.59	$66,360	40,239 Direct	+11.04%	Acquired	543.7% (price as of 2026-08-19)

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.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Aug. 17, 2005	NI	Non Qualified Stock Options	Common Stock (5,000)	$16.22	Aug. 21, 2005	5,000	Disposed
Jan. 3, 2005	NI	Non Qualified Stock Options	Common Stock (2,250)	$22.62	Jan. 3, 2015	2,250	Acquired
Jan. 3, 2005	NI	Non Qualified Stock Options	Common Stock (46,286)	$22.62	Jan. 3, 2015	46,286	Acquired
Aug. 20, 2004	NI	Non Qualified Stock Options	Common Stock (5,000)	$14.38	Aug. 22, 2004	5,000	Disposed
Jan. 23, 2004	NI	Non Qualified Stock Options	Common Stock (2,000)	$21.80	Jan. 23, 2014	2,000	Acquired
Jan. 1, 2004	NI	Non Qualified Stock Options	Common Stock (18,855)	$21.86	—	18,855	Acquired
Aug. 7, 2003	NI	Non Qualified Stock Options	Common Stock (4,000)	$16.59	Aug. 23, 2003	4,000	Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
Jan. 26, 2004	NI	Common Stock	33,439	Indirect