Violet Sistovaris

Insider

First SEC filing: July 13, 2015 · Latest: July 13, 2015

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.
Initial holdings The stakes this person held when they first started reporting.
Compensation Executive pay disclosed in company proxy statements.

Insider at

NI selling Aug. 5, 2019

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 23 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

23 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 28, 2022	NI	F	2,243	$28.93	$64,890	165,379 Direct	-1.34%	Disposed	43.5% (price as of 2026-08-21)
Feb. 28, 2022	NI	F	4,927	$28.93	$142,538	167,622 Direct	-2.86%	Disposed	43.5% (price as of 2026-08-21)
Feb. 28, 2022	NI	A	16,940	$28.93	$490,074	172,549 Direct	+10.89%	Acquired	43.5% (price as of 2026-08-21)
Jan. 28, 2022	NI	A	6,833	$29.27	$200,002	155,609 Direct	+4.59%	Acquired	41.9% (price as of 2026-08-21)
Feb. 26, 2021	NI	F	1,668	$21.60	$36,029	148,776 Direct	-1.11%	Disposed	92.2% (price as of 2026-08-21)
Feb. 26, 2021	NI	F	3,671	$21.60	$79,294	150,444 Direct	-2.38%	Disposed	92.2% (price as of 2026-08-21)
Feb. 26, 2021	NI	A	12,620	$21.60	$272,592	154,115 Direct	+8.92%	Acquired	92.2% (price as of 2026-08-21)
Jan. 28, 2021	NI	A	9,022	$22.17	$200,018	141,495 Direct	+6.81%	Acquired	87.3% (price as of 2026-08-21)
Feb. 28, 2020	NI	F	8,549	$27.02	$230,994	132,473 Direct	-6.06%	Disposed	53.7% (price as of 2026-08-21)
Feb. 28, 2020	NI	A	29,253	$27.02	$790,416	141,022 Direct	+26.17%	Acquired	53.7% (price as of 2026-08-21)
Jan. 30, 2020	NI	A	5,842	$29.10	$170,002	111,769 Direct	+5.52%	Acquired	42.7% (price as of 2026-08-21)
Aug. 5, 2019	NI	S	40,405	$29.16	$1,178,210	105,927 Direct	-27.61%	Disposed	42.4% (price as of 2026-08-21)
Feb. 28, 2019	NI	F	10,027	$26.98	$270,528	146,332 Direct	-6.41%	Disposed	53.9% (price as of 2026-08-21)
Feb. 28, 2019	NI	A	34,270	$26.98	$924,605	156,359 Direct	+28.07%	Acquired	53.9% (price as of 2026-08-21)
Jan. 31, 2019	NI	A	5,499	$27.28	$150,013	122,089 Direct	+4.72%	Acquired	52.2% (price as of 2026-08-21)
Feb. 2, 2018	NI	F	973	$23.97	$23,323	116,590 Direct	-0.83%	Disposed	73.2% (price as of 2026-08-21)
Jan. 25, 2018	NI	A	5,733	$24.42	$140,000	117,563 Direct	+5.13%	Acquired	70.0% (price as of 2026-08-21)
Jan. 25, 2018	NI	A	4,587	$24.42	$112,015	116,417 Direct	+4.10%	Acquired	70.0% (price as of 2026-08-21)
May 12, 2017	NI	S	15,545	$24.24	$376,811	169,641 Direct	-8.39%	Disposed	71.3% (price as of 2026-08-21)
May 12, 2017	NI	S	23,005	$24.26	$558,101	185,186 Direct	-11.05%	Disposed	71.2% (price as of 2026-08-21)
Feb. 28, 2017	NI	F	7,835	$23.91	$187,335	208,191 Direct	-3.63%	Disposed	73.7% (price as of 2026-08-21)
Jan. 26, 2017	NI	A	29,253	$22.22	$650,002	216,026 Direct	+15.66%	Acquired	86.9% (price as of 2026-08-21)
Dec. 16, 2016	NI	F	16,025	$22.03	$353,031	186,773 Direct	-7.90%	Disposed	88.5% (price as of 2026-08-21)
Feb. 29, 2016	NI	F	13,352	$21.48	$286,801	202,798 Direct	-6.18%	Disposed	93.3% (price as of 2026-08-21)
Jan. 29, 2016	NI	A	28,558	$21.01	$600,004	216,150 Direct	+15.22%	Acquired	97.6% (price as of 2026-08-21)
July 13, 2015	NI	A	14,715	$16.99	$250,008	187,592 Direct	+8.51%	Acquired	144.4% (price as of 2026-08-21)

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.

Initial ownership (Form 3) 2 holdings

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

Date	Ticker	Security	Shares	Ownership
July 13, 2015	NI	Common Stock	172,877	Direct
July 13, 2015	NI	Common Stock	13,965	Indirect

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

NI

Chief Experience Officer

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2021	$512,500	—	$1,448,508	—	$475,000	$34,901	$48,019	$2,518,928
2020	$500,000	—	$948,726	—	$150,000	$275,913	$41,925	$1,916,564
2019	$488,670	—	$835,838	—	$217,000	$259,309	$43,843	$1,844,660

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.