Dennis Foster

Insider

First SEC filing: April 4, 2011 · Latest: April 4, 2011

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.

Insider at

NI buying May 13, 2009

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 63 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

63 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 31, 2011	NI	A	1,075	—	—	47,259 Direct	+2.33%	Acquired	(price as of 2026-08-20)
Dec. 31, 2010	NI	A	1,171	—	—	45,635 Direct	+2.63%	Acquired	(price as of 2026-08-20)
Sept. 30, 2010	NI	A	1,185	—	—	43,871 Direct	+2.78%	Acquired	(price as of 2026-08-20)
June 30, 2010	NI	A	1,422	—	—	42,099 Direct	+3.50%	Acquired	(price as of 2026-08-20)
March 31, 2010	NI	A	1,305	—	—	40,054 Direct	+3.37%	Acquired	(price as of 2026-08-20)
Dec. 31, 2009	NI	A	1,341	—	—	38,170 Direct	+3.64%	Acquired	(price as of 2026-08-20)
Sept. 30, 2009	NI	A	1,485	—	—	36,222 Direct	+4.27%	Acquired	(price as of 2026-08-20)
Aug. 20, 2009	NI	A	595	—	—	34,737 Direct	+1.74%	Acquired	(price as of 2026-08-20)
June 30, 2009	NI	A	1,769	—	—	34,142 Direct	+5.46%	Acquired	(price as of 2026-08-20)
May 20, 2009	NI	A	686	—	—	32,373 Direct	+2.16%	Acquired	(price as of 2026-08-20)
May 13, 2009	NI	P	700	$11.08	$7,756	53,582 Direct	+1.32%	Acquired	862.2% (price as of 2026-08-20)
May 13, 2009	NI	P	4,300	$11.08	$47,644	52,882 Direct	+8.85%	Acquired	862.2% (price as of 2026-08-20)
May 11, 2009	NI	P	5,000	$11.12	$55,600	48,582 Direct	+11.47%	Acquired	858.7% (price as of 2026-08-20)
May 5, 2009	NI	P	3,350	$11.53	$38,626	43,582 Direct	+8.33%	Acquired	824.6% (price as of 2026-08-20)
March 31, 2009	NI	A	2,105	—	—	31,688 Direct	+7.12%	Acquired	(price as of 2026-08-20)
March 6, 2009	NI	P	4,600	$8.19	$37,674	40,076 Direct	+12.97%	Acquired	1201.7% (price as of 2026-08-20)
Feb. 20, 2009	NI	A	762	—	—	29,583 Direct	+2.64%	Acquired	(price as of 2026-08-20)
Feb. 9, 2009	NI	P	6,075	$10.68	$64,881	35,476 Direct	+20.66%	Acquired	898.2% (price as of 2026-08-20)
Dec. 31, 2008	NI	A	1,880	—	—	28,821 Direct	+6.98%	Acquired	(price as of 2026-08-20)
Nov. 20, 2008	NI	A	579	—	—	26,941 Direct	+2.20%	Acquired	(price as of 2026-08-20)
Nov. 6, 2008	NI	P	5,000	$13.25	$66,250	29,197 Direct	+20.66%	Acquired	704.6% (price as of 2026-08-20)
Sept. 30, 2008	NI	A	1,397	—	—	26,362 Direct	+5.60%	Acquired	(price as of 2026-08-20)
Aug. 20, 2008	NI	A	340	—	—	24,965 Direct	+1.38%	Acquired	(price as of 2026-08-20)
Aug. 8, 2008	NI	J	0	$18.39	—	24,197 Direct	0.00%	Disposed	479.7% (price as of 2026-08-20)
June 30, 2008	NI	A	1,151	—	—	24,625 Direct	+4.90%	Acquired	(price as of 2026-08-20)
May 20, 2008	NI	A	293	—	—	23,474 Direct	+1.26%	Acquired	(price as of 2026-08-20)
March 31, 2008	NI	A	493	—	—	23,180 Direct	+2.17%	Acquired	(price as of 2026-08-20)
March 4, 2008	NI	P	1,500	$17.72	$26,580	24,126 Direct	+6.63%	Acquired	501.6% (price as of 2026-08-20)
Feb. 20, 2008	NI	A	282	—	—	22,687 Direct	+1.26%	Acquired	(price as of 2026-08-20)
Dec. 31, 2007	NI	A	450	—	—	22,405 Direct	+2.05%	Acquired	(price as of 2026-08-20)
Nov. 20, 2007	NI	A	277	—	—	21,955 Direct	+1.28%	Acquired	(price as of 2026-08-20)
Nov. 8, 2007	NI	P	3,000	$17.59	$52,770	22,483 Direct	+15.40%	Acquired	506.1% (price as of 2026-08-20)
Sept. 28, 2007	NI	A	444	—	—	21,678 Direct	+2.09%	Acquired	(price as of 2026-08-20)
Aug. 20, 2007	NI	A	257	—	—	21,234 Direct	+1.23%	Acquired	(price as of 2026-08-20)
Aug. 6, 2007	NI	P	2,000	$18.36	$36,720	19,417 Direct	+11.48%	Acquired	480.7% (price as of 2026-08-20)
June 29, 2007	NI	A	410	—	—	20,977 Direct	+1.99%	Acquired	(price as of 2026-08-20)
May 18, 2007	NI	A	167	—	—	19,816 Direct	+0.85%	Acquired	(price as of 2026-08-20)
May 8, 2007	NI	A	1,945	—	—	20,399 Direct	+10.54%	Acquired	(price as of 2026-08-20)
May 8, 2007	NI	A	1,195	—	—	19,649 Direct	+6.48%	Acquired	(price as of 2026-08-20)
March 30, 2007	NI	A	204	—	—	18,454 Direct	+1.12%	Acquired	(price as of 2026-08-20)
Feb. 20, 2007	NI	A	170	—	—	18,250 Direct	+0.94%	Acquired	(price as of 2026-08-20)
Dec. 29, 2006	NI	A	207	—	—	18,079 Direct	+1.16%	Acquired	(price as of 2026-08-20)
Nov. 20, 2006	NI	A	170	—	—	17,872 Direct	+0.96%	Acquired	(price as of 2026-08-20)
Sept. 29, 2006	NI	A	230	—	—	17,702 Direct	+1.32%	Acquired	(price as of 2026-08-20)
Aug. 18, 2006	NI	A	187	—	—	17,472 Direct	+1.08%	Acquired	(price as of 2026-08-20)
June 30, 2006	NI	A	228	—	—	17,285 Direct	+1.34%	Acquired	(price as of 2026-08-20)
May 19, 2006	NI	A	183	—	—	17,057 Direct	+1.08%	Acquired	(price as of 2026-08-20)
April 3, 2006	NI	A	246	—	—	16,873 Direct	+1.48%	Acquired	(price as of 2026-08-20)
Feb. 17, 2006	NI	A	183	—	—	16,627 Direct	+1.11%	Acquired	(price as of 2026-08-20)
Jan. 27, 2006	NI	A	773	—	—	16,444 Direct	+4.93%	Acquired	(price as of 2026-08-20)
Dec. 31, 2005	NI	A	242	—	—	15,672 Direct	+1.57%	Acquired	(price as of 2026-08-20)
Nov. 18, 2005	NI	A	163	—	—	15,430 Direct	+1.07%	Acquired	(price as of 2026-08-20)
Sept. 30, 2005	NI	A	205	—	—	15,267 Direct	+1.36%	Acquired	(price as of 2026-08-20)
Aug. 19, 2005	NI	A	148	—	—	15,062 Direct	+0.99%	Acquired	(price as of 2026-08-20)
Aug. 10, 2005	NI	P	1,000	$23.41	$23,410	16,991 Direct	+6.25%	Acquired	355.4% (price as of 2026-08-20)
Aug. 10, 2005	NI	P	245	$23.40	$5,733	15,991 Direct	+1.56%	Acquired	355.6% (price as of 2026-08-20)
Aug. 10, 2005	NI	P	2,380	$23.30	$55,454	15,746 Direct	+17.81%	Acquired	357.6% (price as of 2026-08-20)
Aug. 10, 2005	NI	P	300	$23.29	$6,987	13,366 Direct	+2.30%	Acquired	357.8% (price as of 2026-08-20)
June 30, 2005	NI	A	202	—	—	14,914 Direct	+1.37%	Acquired	(price as of 2026-08-20)
May 20, 2005	NI	A	141	—	—	14,712 Direct	+0.97%	Acquired	(price as of 2026-08-20)
March 31, 2005	NI	J	50	$22.89	$1,144	13,018 Direct	+0.39%	Acquired	365.7% (price as of 2026-08-20)
March 31, 2005	NI	A	221	—	—	14,571 Direct	+1.54%	Acquired	(price as of 2026-08-20)
Feb. 18, 2005	NI	A	144	—	—	14,351 Direct	+1.01%	Acquired	(price as of 2026-08-20)
Feb. 18, 2005	NI	A	53	—	—	12,968 Direct	+0.41%	Acquired	(price as of 2026-08-20)
Dec. 31, 2004	NI	A	221	—	—	14,207 Direct	+1.58%	Acquired	(price as of 2026-08-20)
Nov. 19, 2004	NI	A	149	—	—	13,987 Direct	+1.08%	Acquired	(price as of 2026-08-20)
Sept. 30, 2004	NI	A	238	—	—	13,837 Direct	+1.75%	Acquired	(price as of 2026-08-20)
Aug. 20, 2004	NI	A	148	—	—	13,599 Direct	+1.10%	Acquired	(price as of 2026-08-20)
Aug. 20, 2004	NI	J	108	—	—	12,915 Direct	+0.84%	Acquired	(price as of 2026-08-20)
June 30, 2004	NI	A	242	—	—	13,452 Direct	+1.83%	Acquired	(price as of 2026-08-20)
May 20, 2004	NI	A	87	—	—	13,209 Direct	+0.66%	Acquired	(price as of 2026-08-20)
May 11, 2004	NI	A	5,672	—	—	13,122 Direct	+76.13%	Acquired	(price as of 2026-08-20)
March 31, 2004	NI	A	236	—	—	7,450 Direct	+3.27%	Acquired	(price as of 2026-08-20)
March 31, 2004	NI	A	318	—	—	12,807 Direct	+2.55%	Acquired	(price as of 2026-08-20)
Feb. 20, 2004	NI	A	75	—	—	7,214 Direct	+1.05%	Acquired	(price as of 2026-08-20)
Nov. 20, 2003	NI	A	80	—	—	7,139 Direct	—	—	(price as of 2026-08-20)
Aug. 20, 2003	NI	A	104	—	—	7,059 Direct	—	—	(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.

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
March 31, 2011	NI	Phantom Stock	Common Stock (1,075)	$0.00	—	1,075	Acquired
Dec. 31, 2010	NI	Phantom Stock	Common Stock (1,171)	$0.00	—	1,171	Acquired
Sept. 30, 2010	NI	Phantom Stock	Common Stock (1,185)	$0.00	—	1,185	Acquired
June 30, 2010	NI	Phantom Stock	Common Stock (1,422)	$0.00	—	1,422	Acquired
March 31, 2010	NI	Phantom Stock	Common Stock (1,305)	$0.00	—	1,305	Acquired
Dec. 31, 2009	NI	Phantom Stock	Common Stock (1,341)	$0.00	—	1,341	Acquired
Sept. 30, 2009	NI	Phantom Stock	Common Stock (1,485)	$0.00	—	1,485	Acquired
Aug. 20, 2009	NI	Phantom Stock	Common Stock (595)	$0.00	—	595	Acquired
June 30, 2009	NI	Phantom Stock	Common Stock (1,769)	$0.00	—	1,769	Acquired
May 20, 2009	NI	Phantom Stock	Common Stock (686)	$0.00	—	686	Acquired
March 31, 2009	NI	Phantom Stock	Common Stock (2,105)	$0.00	—	2,105	Acquired
Feb. 20, 2009	NI	Phantom Stock	Common Stock (762)	$0.00	—	762	Acquired
Dec. 31, 2008	NI	Phantom Stock	Common Stock (1,880)	$0.00	—	1,880	Acquired
Nov. 20, 2008	NI	Phantom Stock	Common Stock (579)	$0.00	Aug. 8, 1988	579	Acquired
Sept. 30, 2008	NI	Phantom Stock	Common Stock (1,397)	$0.00	Aug. 8, 1988	1,397	Acquired
Aug. 20, 2008	NI	Phantom Stock	Common Stock (340)	$0.00	Aug. 8, 1988	340	Acquired
June 30, 2008	NI	Phantom Stock	Common Stock (1,151)	$0.00	Aug. 8, 1988	1,151	Acquired
May 20, 2008	NI	Phantom Stock	Common Stock (293)	$0.00	Aug. 8, 1988	293	Acquired
March 31, 2008	NI	Phantom Stock	Common Stock (493)	$0.00	Aug. 8, 1988	493	Acquired
Feb. 20, 2008	NI	Phantom Stock	Common Stock (282)	$0.00	Aug. 8, 1988	282	Acquired
Dec. 31, 2007	NI	Phantom Stock	Common Stock (450)	$0.00	Aug. 8, 1988	450	Acquired
Nov. 20, 2007	NI	Phantom Stock	Common Stock (277)	$0.00	Aug. 8, 1988	277	Acquired
Sept. 28, 2007	NI	Phantom Stock	Common Stock (444)	$0.00	Aug. 8, 1988	444	Acquired
Aug. 20, 2007	NI	Phantom Stock	Common Stock (257)	$0.00	Aug. 8, 1988	257	Acquired
June 29, 2007	NI	Phantom Stock	Common Stock (410)	$0.00	Aug. 8, 1988	410	Acquired
May 18, 2007	NI	Phantom Stock	Common Stock (167)	$0.00	Aug. 8, 1988	167	Acquired
May 8, 2007	NI	Phantom Stock	Common Stock (1,945)	$0.00	Aug. 8, 1988	1,945	Acquired
May 8, 2007	NI	Phantom Stock	Common Stock (1,195)	$0.00	Aug. 8, 1988	1,195	Acquired
March 30, 2007	NI	Phantom Stock	Common Stock (204)	$0.00	Aug. 8, 1988	204	Acquired
Feb. 20, 2007	NI	Phantom Stock	Common Stock (170)	$0.00	Aug. 8, 1988	170	Acquired
Dec. 29, 2006	NI	Phantom Stock	Common Stock (207)	$0.00	Aug. 8, 1988	207	Acquired
Nov. 20, 2006	NI	Phantom Stock	Common Stock (170)	$0.00	Aug. 8, 1988	170	Acquired
Sept. 29, 2006	NI	Phantom Stock	Common Stock (230)	$0.00	Aug. 8, 1988	230	Acquired
Aug. 18, 2006	NI	Phantom Stock	Common Stock (187)	$0.00	Aug. 8, 1988	187	Acquired
June 30, 2006	NI	Phantom Stock	Common Stock (228)	$0.00	Aug. 8, 1988	228	Acquired
May 19, 2006	NI	Phantom Stock	Common Stock (183)	$0.00	Aug. 8, 1988	183	Acquired
April 3, 2006	NI	Phantom Stock	Common Stock (246)	$0.00	Aug. 8, 1988	246	Acquired
Feb. 17, 2006	NI	Phantom Stock	Common Stock (183)	$0.00	Aug. 8, 1988	183	Acquired
Jan. 27, 2006	NI	Phantom Stock	Common Stock (773)	$0.00	Aug. 8, 1988	773	Acquired
Dec. 31, 2005	NI	Phantom Stock	Common Stock (242)	$0.00	Aug. 8, 1988	242	Acquired
Nov. 18, 2005	NI	Phantom Stock	Common Stock (163)	$0.00	Aug. 8, 1988	163	Acquired
Sept. 30, 2005	NI	Phantom Stock	Common Stock (205)	$0.00	Aug. 8, 1988	205	Acquired
Aug. 19, 2005	NI	Phantom Stock	Common Stock (148)	$0.00	Aug. 8, 1988	148	Acquired
June 30, 2005	NI	Phantom Stock	Common Stock (202)	$0.00	Aug. 8, 1988	202	Acquired
May 20, 2005	NI	Phantom Stock	Common Stock (141)	$0.00	Aug. 8, 1988	141	Acquired
March 31, 2005	NI	Phantom Stock	Common Stock (221)	$0.00	Aug. 8, 1988	221	Acquired
Feb. 18, 2005	NI	Phantom Stock	Common Stock (144)	$0.00	Aug. 8, 1988	144	Acquired
Dec. 31, 2004	NI	Phantom Stock	Common Stock (221)	$0.00	Aug. 8, 1988	221	Acquired
Nov. 19, 2004	NI	Phantom Stock	Common Stock (149)	$0.00	Aug. 8, 1988	149	Acquired
Sept. 30, 2004	NI	Phantom Stock	Common Stock (238)	$0.00	Aug. 8, 1988	238	Acquired
Aug. 20, 2004	NI	Phantom Stock	Common Stock (148)	$0.00	Aug. 8, 1988	148	Acquired
June 30, 2004	NI	Phantom Stock	Common Stock (242)	$0.00	Aug. 8, 1988	242	Acquired
May 20, 2004	NI	Phantom Stock	Common Stock (87)	$0.00	Aug. 8, 1988	87	Acquired
May 11, 2004	NI	Phantom Stock	Common Stock (5,672)	$0.00	Aug. 8, 1988	5,672	Acquired
March 31, 2004	NI	Phantom Stock	Common Stock (236)	$0.00	Aug. 8, 1988	236	Acquired
Feb. 20, 2004	NI	Phantom Stock	Common Stock (75)	$0.00	Aug. 8, 1988	75	Acquired
Nov. 20, 2003	NI	Phantom Stock	Common Stock (80)	$0.00	Aug. 8, 1988	80	—
Aug. 20, 2003	NI	Phantom Stock	Common Stock (104)	$0.00	Aug. 8, 1988	104	—

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