Jane Karpinski

Insider

First SEC filing: March 4, 2025 · Latest: March 4, 2025

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

NTRSO selling Feb. 3, 2025

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 52 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

52 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 1, 2025	NTRSO	F	1,168	$110.27	$128,795	27,911 Direct	-4.02%	Disposed	-83.3% (price as of 2026-08-20)
Feb. 21, 2025	NTRSO	F	1,192	$113.16	$134,887	29,079 Direct	-3.94%	Disposed	-83.8% (price as of 2026-08-20)
Feb. 18, 2025	NTRSO	F	555	$112.69	$62,543	30,271 Direct	-1.80%	Disposed	-83.7% (price as of 2026-08-20)
Feb. 18, 2025	NTRSO	A	1,179	—	—	30,826 Direct	+3.98%	Acquired	(price as of 2026-08-20)
Feb. 5, 2025	NTRSO	A	12,411	—	—	29,647 Direct	+72.01%	Acquired	(price as of 2026-08-20)
Feb. 3, 2025	NTRSO	S	2,262	$111.33	$251,828	17,236 Direct	-11.60%	Disposed	-83.5% (price as of 2026-08-20)
Oct. 25, 2024	NTRSO	S	4,338	$100.96	$437,964	19,498 Direct	-18.20%	Disposed	-81.8% (price as of 2026-08-20)
March 1, 2024	NTRSO	F	1,517	$81.90	$124,242	23,836 Direct	-5.98%	Disposed	-77.6% (price as of 2026-08-20)
Feb. 21, 2024	NTRSO	A	10,140	—	—	25,353 Direct	+66.65%	Acquired	(price as of 2026-08-20)
Feb. 21, 2024	NTRSO	A	11,672	—	—	26,885 Direct	+76.72%	Acquired	(price as of 2026-08-20)
Feb. 20, 2024	NTRSO	F	402	$79.51	$31,963	15,213 Direct	-2.57%	Disposed	-76.9% (price as of 2026-08-20)
Feb. 20, 2024	NTRSO	A	880	—	—	15,615 Direct	+5.97%	Acquired	(price as of 2026-08-20)
Feb. 21, 2017	NTRSO	A	3,407	—	—	15,754 Direct	+27.59%	Acquired	(price as of 2026-08-20)
Feb. 11, 2017	NTRSO	F	279	$86.30	$24,078	12,347 Direct	-2.21%	Disposed	-78.7% (price as of 2026-08-20)
Feb. 10, 2017	NTRSO	F	458	$85.66	$39,232	12,626 Direct	-3.50%	Disposed	-78.5% (price as of 2026-08-20)
Dec. 9, 2016	NTRSO	S	1,500	$89.37	$134,055	13,084 Direct	-10.29%	Disposed	-79.4% (price as of 2026-08-20)
Nov. 15, 2016	NTRSO	M	244	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 15, 2016	NTRSO	S	244	$81.30	$19,837	14,584 Direct	-1.65%	Disposed	-77.4% (price as of 2026-08-20)
Nov. 15, 2016	NTRSO	M	244	$43.65	$10,651	14,828 Direct	+1.67%	Acquired	-57.9% (price as of 2026-08-20)
Feb. 16, 2016	NTRSO	A	5,151	—	—	14,584 Direct	+54.61%	Acquired	(price as of 2026-08-20)
Feb. 16, 2016	NTRSO	F	154	$58.08	$8,944	9,433 Direct	-1.61%	Disposed	-68.3% (price as of 2026-08-20)
Feb. 11, 2016	NTRSO	F	280	$55.16	$15,445	9,587 Direct	-2.84%	Disposed	-66.7% (price as of 2026-08-20)
April 30, 2015	NTRSO	M	673	—	—	224 Direct	-75.03%	Disposed	(price as of 2026-08-20)
April 30, 2015	NTRSO	M	61	—	—	20 Direct	-75.31%	Disposed	(price as of 2026-08-20)
April 30, 2015	NTRSO	M	3,562	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
April 30, 2015	NTRSO	M	3,678	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
April 30, 2015	NTRSO	M	2,275	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
April 30, 2015	NTRSO	M	2,106	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
April 30, 2015	NTRSO	M	2,368	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
April 30, 2015	NTRSO	S	14,723	$73.10	$1,076,251	9,867 Direct	-59.87%	Disposed	-74.8% (price as of 2026-08-20)
April 30, 2015	NTRSO	M	673	$43.65	$29,376	24,590 Direct	+2.81%	Acquired	-57.9% (price as of 2026-08-20)
April 30, 2015	NTRSO	M	61	$43.65	$2,663	23,917 Direct	+0.26%	Acquired	-57.9% (price as of 2026-08-20)
April 30, 2015	NTRSO	M	3,562	$52.64	$187,504	23,856 Direct	+17.55%	Acquired	-65.1% (price as of 2026-08-20)
April 30, 2015	NTRSO	M	3,678	$50.99	$187,541	20,294 Direct	+22.14%	Acquired	-63.9% (price as of 2026-08-20)
April 30, 2015	NTRSO	M	2,275	$55.39	$126,012	16,616 Direct	+15.86%	Acquired	-66.8% (price as of 2026-08-20)
April 30, 2015	NTRSO	M	2,106	$71.23	$150,010	14,341 Direct	+17.21%	Acquired	-74.2% (price as of 2026-08-20)
April 30, 2015	NTRSO	M	2,368	$63.36	$150,036	12,235 Direct	+24.00%	Acquired	-71.0% (price as of 2026-08-20)
Feb. 17, 2015	NTRSO	A	2,852	—	—	9,307 Direct	+44.18%	Acquired	(price as of 2026-08-20)
Feb. 17, 2015	NTRSO	F	280	$70.03	$19,608	6,455 Direct	-4.16%	Disposed	-73.7% (price as of 2026-08-20)
Feb. 13, 2015	NTRSO	F	154	$70.31	$10,828	7,295 Direct	-2.07%	Disposed	-73.9% (price as of 2026-08-20)
Oct. 22, 2014	NTRSO	F	469	$63.84	$29,941	4,379 Direct	-9.67%	Disposed	-71.2% (price as of 2026-08-20)
Aug. 11, 2014	NTRSO	F	367	$60.64	$22,255	5,376 Direct	-6.39%	Disposed	-69.7% (price as of 2026-08-20)
May 2, 2014	NTRSO	M	1,496	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 2, 2014	NTRSO	M	1,004	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 2, 2014	NTRSO	S	1,496	$60.73	$90,852	2,130 Direct	-41.26%	Disposed	-69.7% (price as of 2026-08-20)
May 2, 2014	NTRSO	S	1,004	$60.73	$60,973	3,626 Direct	-21.68%	Disposed	-69.7% (price as of 2026-08-20)
May 2, 2014	NTRSO	M	1,496	$54.31	$81,248	4,630 Direct	+47.73%	Acquired	-66.1% (price as of 2026-08-20)
May 2, 2014	NTRSO	M	1,004	$54.31	$54,527	3,134 Direct	+47.14%	Acquired	-66.1% (price as of 2026-08-20)
May 2, 2014	NTRSO	M	1,496	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 2, 2014	NTRSO	M	1,004	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 2, 2014	NTRSO	S	1,496	$60.73	$90,852	2,130 Direct	-41.26%	Disposed	-69.7% (price as of 2026-08-20)
May 2, 2014	NTRSO	S	1,004	$60.73	$60,973	3,626 Direct	-21.68%	Disposed	-69.7% (price as of 2026-08-20)
May 2, 2014	NTRSO	M	1,496	$54.31	$81,248	4,630 Direct	+47.73%	Acquired	-66.1% (price as of 2026-08-20)
May 2, 2014	NTRSO	M	1,004	$54.31	$54,527	3,134 Direct	+47.14%	Acquired	-66.1% (price as of 2026-08-20)
Feb. 19, 2014	NTRSO	F	289	$62.02	$17,924	6,155 Direct	-4.48%	Disposed	-70.4% (price as of 2026-08-20)
Feb. 19, 2014	NTRSO	F	289	$62.02	$17,924	4,756 Direct	-5.73%	Disposed	-70.4% (price as of 2026-08-20)
Feb. 18, 2014	NTRSO	F	280	$62.07	$17,380	5,455 Direct	-4.88%	Disposed	-70.4% (price as of 2026-08-20)
Feb. 10, 2014	NTRSO	A	2,725	—	—	7,362 Direct	+58.77%	Acquired	(price as of 2026-08-20)
Feb. 10, 2014	NTRSO	A	2,312	—	—	6,049 Direct	+61.87%	Acquired	(price as of 2026-08-20)
Oct. 22, 2013	NTRSO	F	470	$56.52	$26,564	3,737 Direct	-11.17%	Disposed	-67.5% (price as of 2026-08-20)
Aug. 13, 2013	NTRSO	F	468	$52.58	$24,607	4,735 Direct	-8.99%	Disposed	-65.0% (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
Nov. 15, 2016	NTRSO	Employee Stock Option (right-to-buy)	Common Stock (244)	$43.65	Feb. 13, 2022	244	Disposed
April 30, 2015	NTRSO	Employee Stock Option (UKU, right-to-buy)	Common Stock (673)	$43.65	Feb. 13, 2022	673	Disposed
April 30, 2015	NTRSO	Employee Stock Option (UKA, right-to-buy)	Common Stock (61)	$43.65	Feb. 13, 2022	61	Disposed
April 30, 2015	NTRSO	Employee Stock Option (UKU, right-to-buy)	Common Stock (3,562)	$52.64	Feb. 14, 2021	3,562	Disposed
April 30, 2015	NTRSO	Employee Stock Option (UKU, right-to-buy)	Common Stock (3,678)	$50.99	Feb. 15, 2020	3,678	Disposed
April 30, 2015	NTRSO	Employee Stock Option (UKU, right-to-buy)	Common Stock (2,275)	$55.39	Feb. 16, 2019	2,275	Disposed
April 30, 2015	NTRSO	Employee Stock Option (UKU, right-to-buy)	Common Stock (2,106)	$71.23	Feb. 19, 2018	2,106	Disposed
April 30, 2015	NTRSO	Employee Stock Option (UKU, right-to-buy)	Common Stock (2,368)	$63.36	Feb. 20, 2017	2,368	Disposed
May 2, 2014	NTRSO	Employee Stock Option (right-to-buy)	Common Stock (1,496)	$54.31	July 18, 2016	1,496	Disposed
May 2, 2014	NTRSO	Employee Stock Option (right-to-buy)	Common Stock (1,004)	$54.31	July 18, 2016	1,004	Disposed
May 2, 2014	NTRSO	Employee Stock Option (right-to-buy)	Common Stock (1,496)	$54.31	July 18, 2016	1,496	Disposed
May 2, 2014	NTRSO	Employee Stock Option (right-to-buy)	Common Stock (1,004)	$54.31	July 18, 2016	1,004	Disposed

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

Initial ownership (Form 3) 15 holdings

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

Date	Ticker	Security	Shares	Ownership
Dec. 14, 2023	NTRSO	Common Stock	14,735	Direct
Dec. 14, 2023	NTRSO	Common Stock	53	Indirect
March 20, 2014	NTRSO	Common Stock [F1]	6,535	Direct
June 14, 2013	NTRSO	Common Stock [F1]	5,635	Direct
June 14, 2013	NTRSO	Common Stock	532	Direct
June 14, 2013	NTRSO	Common Stock	109	Indirect
June 14, 2013	NTRSO	Employee Stock Option (right-to-buy)→ Common Stock (1,004)	1,004	Direct
June 14, 2013	NTRSO	Employee Stock Option (right-to-buy)→ Common Stock (1,496)	1,496	Direct
June 14, 2013	NTRSO	Employee Stock Option (right-to-buy)→ Common Stock (2,368)	2,368	Direct
June 14, 2013	NTRSO	Employee Stock Option (right-to-buy)→ Common Stock (2,106)	2,106	Direct
June 14, 2013	NTRSO	Employee Stock Option (right-to-buy)→ Common Stock (2,275)	2,275	Direct
June 14, 2013	NTRSO	Employee Stock Option (right-to-buy)→ Common Stock (3,678)	3,678	Direct
June 14, 2013	NTRSO	Employee Stock Option (right-to-buy)→ Common Stock (3,562)	3,562	Direct
June 14, 2013	NTRSO	Employee Stock Option (right-to-buy)→ Common Stock (897)	897	Direct
June 14, 2013	NTRSO	Employee Stock Option (right-to-buy)→ Common Stock (81)	81	Direct