Michael O'Grady

Insider

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

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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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

NTRSO buying Oct. 23, 2023

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 84 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

84 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 1, 2025	NTRSO	F	11,684	$110.27	$1,288,395	64,756 Direct	-15.29%	Disposed	-83.3% (price as of 2026-08-20)
Feb. 18, 2025	NTRSO	F	27,957	$112.69	$3,150,474	92,602 Direct	-23.19%	Disposed	-83.7% (price as of 2026-08-20)
Feb. 18, 2025	NTRSO	A	63,107	—	—	155,709 Direct	+68.15%	Acquired	(price as of 2026-08-20)
Feb. 5, 2025	NTRSO	A	19,012	—	—	92,602 Direct	+25.84%	Acquired	(price as of 2026-08-20)
Jan. 30, 2025	NTRSO	M	23,739	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Jan. 30, 2025	NTRSO	F	17,432	$113.21	$1,973,477	292,341 Indirect	-5.63%	Disposed	-83.8% (price as of 2026-08-20)
Jan. 30, 2025	NTRSO	M	23,739	$70.21	$1,666,715	309,773 Indirect	+8.30%	Acquired	-73.8% (price as of 2026-08-20)
Dec. 3, 2024	NTRSO	F	1,366	$110.31	$150,683	73,590 Direct	-1.82%	Disposed	-83.3% (price as of 2026-08-20)
March 1, 2024	NTRSO	F	10,673	$81.90	$874,119	74,956 Direct	-12.46%	Disposed	-77.6% (price as of 2026-08-20)
Feb. 21, 2024	NTRSO	A	33,734	—	—	100,393 Direct	+50.61%	Acquired	(price as of 2026-08-20)
Feb. 20, 2024	NTRSO	F	26,618	$79.51	$2,116,397	66,659 Direct	-28.54%	Disposed	-76.9% (price as of 2026-08-20)
Feb. 20, 2024	NTRSO	A	60,085	—	—	126,744 Direct	+90.14%	Acquired	(price as of 2026-08-20)
Jan. 24, 2024	NTRSO	M	24,651	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Jan. 24, 2024	NTRSO	F	20,333	$81.38	$1,654,700	224,097 Indirect	-8.32%	Disposed	-77.4% (price as of 2026-08-20)
Jan. 24, 2024	NTRSO	M	24,651	$60.85	$1,500,013	244,430 Indirect	+11.22%	Acquired	-69.8% (price as of 2026-08-20)
Dec. 5, 2023	NTRSO	F	1,282	$80.36	$103,022	66,659 Direct	-1.89%	Disposed	-77.1% (price as of 2026-08-20)
Oct. 23, 2023	NTRSO	P	20,000	$65.10	$1,302,000	219,779 Indirect	+10.01%	Acquired	-71.8% (price as of 2026-08-20)
March 1, 2023	NTRSO	F	9,845	$94.49	$930,254	67,941 Direct	-12.66%	Disposed	-80.5% (price as of 2026-08-20)
Feb. 22, 2023	NTRSO	A	31,660	—	—	91,404 Direct	+52.99%	Acquired	(price as of 2026-08-20)
Feb. 21, 2023	NTRSO	F	17,328	$94.70	$1,640,962	59,744 Direct	-22.48%	Disposed	-80.6% (price as of 2026-08-20)
Feb. 21, 2023	NTRSO	A	39,114	—	—	98,858 Direct	+65.47%	Acquired	(price as of 2026-08-20)
Feb. 7, 2023	NTRSO	M	28,469	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 7, 2023	NTRSO	M	28,469	$52.69	$1,500,032	59,744 Direct	+91.03%	Acquired	-65.1% (price as of 2026-08-20)
Dec. 5, 2022	NTRSO	F	1,060	$90.19	$95,601	59,744 Direct	-1.74%	Disposed	-79.6% (price as of 2026-08-20)
May 18, 2022	NTRSO	G	5,460	—	—	5,460 Indirect	—	Acquired	(price as of 2026-08-20)
May 18, 2022	NTRSO	G	5,460	—	—	5,460 Indirect	—	Acquired	(price as of 2026-08-20)
May 18, 2022	NTRSO	G	5,459	—	—	5,459 Indirect	—	Acquired	(price as of 2026-08-20)
May 18, 2022	NTRSO	G	16,379	—	—	0 Indirect	-100.00%	Disposed	(price as of 2026-08-20)
March 1, 2022	NTRSO	F	8,841	$109.14	$964,907	60,804 Direct	-12.69%	Disposed	-83.2% (price as of 2026-08-20)
Feb. 23, 2022	NTRSO	A	26,180	—	—	81,872 Direct	+47.01%	Acquired	(price as of 2026-08-20)
Jan. 18, 2022	NTRSO	F	11,761	$132.16	$1,554,334	55,692 Direct	-17.44%	Disposed	-86.1% (price as of 2026-08-20)
Jan. 18, 2022	NTRSO	A	29,021	—	—	84,713 Direct	+52.11%	Acquired	(price as of 2026-08-20)
Dec. 9, 2021	NTRSO	M	48,110	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 9, 2021	NTRSO	S	48,110	$119.03	$5,726,533	55,692 Direct	-46.35%	Disposed	-84.6% (price as of 2026-08-20)
Dec. 9, 2021	NTRSO	M	48,110	$43.65	$2,100,002	103,802 Direct	+86.39%	Acquired	-57.9% (price as of 2026-08-20)
Dec. 3, 2021	NTRSO	F	2,353	$117.38	$276,195	55,692 Direct	-4.05%	Disposed	-84.3% (price as of 2026-08-20)
May 6, 2021	NTRSO	M	54,062	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 6, 2021	NTRSO	S	16,363	$118.59	$1,940,488	58,045 Direct	-21.99%	Disposed	-84.5% (price as of 2026-08-20)
May 6, 2021	NTRSO	S	37,699	$117.61	$4,433,779	74,408 Direct	-33.63%	Disposed	-84.4% (price as of 2026-08-20)
May 6, 2021	NTRSO	M	54,062	$38.78	$2,096,524	112,107 Direct	+93.14%	Acquired	-52.6% (price as of 2026-08-20)
May 5, 2021	NTRSO	M	42,638	—	—	54,062 Direct	-44.09%	Disposed	(price as of 2026-08-20)
May 5, 2021	NTRSO	S	42,638	$117.52	$5,010,818	58,045 Direct	-42.35%	Disposed	-84.4% (price as of 2026-08-20)
May 5, 2021	NTRSO	M	42,638	$38.78	$1,653,502	100,683 Direct	+73.46%	Acquired	-52.6% (price as of 2026-08-20)
March 1, 2021	NTRSO	F	7,015	$98.43	$690,486	58,045 Direct	-10.78%	Disposed	-81.3% (price as of 2026-08-20)
Feb. 22, 2021	NTRSO	F	1,981	$96.92	$191,999	73,877 Direct	-2.61%	Disposed	-81.0% (price as of 2026-08-20)
Feb. 17, 2021	NTRSO	A	24,511	—	—	78,348 Direct	+45.53%	Acquired	(price as of 2026-08-20)
Jan. 19, 2021	NTRSO	F	10,211	$96.76	$988,016	53,837 Direct	-15.94%	Disposed	-81.0% (price as of 2026-08-20)
Jan. 19, 2021	NTRSO	A	26,432	—	—	80,269 Direct	+49.10%	Acquired	(price as of 2026-08-20)
March 2, 2020	NTRSO	F	4,391	$86.63	$380,392	53,837 Direct	-7.54%	Disposed	-78.8% (price as of 2026-08-20)
Feb. 21, 2020	NTRSO	F	1,982	$101.35	$200,876	63,747 Direct	-3.02%	Disposed	-81.9% (price as of 2026-08-20)
Feb. 18, 2020	NTRSO	A	23,691	—	—	68,219 Direct	+53.20%	Acquired	(price as of 2026-08-20)
Feb. 16, 2020	NTRSO	F	2,139	$100.60	$215,183	44,528 Direct	-4.58%	Disposed	-81.7% (price as of 2026-08-20)
Jan. 21, 2020	NTRSO	F	8,392	$109.23	$916,658	49,356 Direct	-14.53%	Disposed	-83.2% (price as of 2026-08-20)
Jan. 21, 2020	NTRSO	A	21,946	—	—	71,302 Direct	+44.46%	Acquired	(price as of 2026-08-20)
March 1, 2019	NTRSO	F	1,796	$93.49	$167,908	49,356 Direct	-3.51%	Disposed	-80.3% (price as of 2026-08-20)
Feb. 19, 2019	NTRSO	A	23,428	—	—	53,409 Direct	+78.14%	Acquired	(price as of 2026-08-20)
Feb. 19, 2019	NTRSO	F	1,578	$92.83	$146,486	29,981 Direct	-5.00%	Disposed	-80.2% (price as of 2026-08-20)
Feb. 19, 2019	NTRSO	F	2,140	$92.83	$198,656	33,542 Direct	-6.00%	Disposed	-80.2% (price as of 2026-08-20)
Jan. 22, 2019	NTRSO	F	8,128	$90.42	$734,934	38,371 Direct	-17.48%	Disposed	-79.7% (price as of 2026-08-20)
Jan. 22, 2019	NTRSO	A	21,979	—	—	60,350 Direct	+57.28%	Acquired	(price as of 2026-08-20)
Feb. 20, 2018	NTRSO	A	16,210	—	—	38,371 Direct	+73.15%	Acquired	(price as of 2026-08-20)
Feb. 20, 2018	NTRSO	F	1,578	$105.15	$165,927	22,161 Direct	-6.65%	Disposed	-82.5% (price as of 2026-08-20)
Feb. 12, 2018	NTRSO	F	1,820	$98.88	$179,962	25,722 Direct	-6.61%	Disposed	-81.4% (price as of 2026-08-20)
Jan. 23, 2018	NTRSO	F	5,962	$106.71	$636,205	99,418 Direct	-5.66%	Disposed	-82.8% (price as of 2026-08-20)
Jan. 23, 2018	NTRSO	A	15,909	$106.71	$1,697,649	105,380 Direct	+17.78%	Acquired	-82.8% (price as of 2026-08-20)
Feb. 21, 2017	NTRSO	A	40,649	—	—	40,649 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 21, 2017	NTRSO	A	8,943	—	—	89,471 Direct	+11.11%	Acquired	(price as of 2026-08-20)
Feb. 11, 2017	NTRSO	F	2,169	$86.30	$187,185	80,528 Direct	-2.62%	Disposed	-78.7% (price as of 2026-08-20)
Feb. 10, 2017	NTRSO	F	1,878	$85.66	$160,869	82,697 Direct	-2.22%	Disposed	-78.5% (price as of 2026-08-20)
Jan. 17, 2017	NTRSO	F	6,418	$88.92	$570,689	84,575 Direct	-7.05%	Disposed	-79.3% (price as of 2026-08-20)
Jan. 17, 2017	NTRSO	A	17,519	—	—	90,993 Direct	+23.84%	Acquired	(price as of 2026-08-20)
Feb. 16, 2016	NTRSO	A	34,489	—	—	34,489 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 16, 2016	NTRSO	A	9,657	—	—	73,474 Direct	+15.13%	Acquired	(price as of 2026-08-20)
Feb. 11, 2016	NTRSO	F	2,169	$55.16	$119,642	63,817 Direct	-3.29%	Disposed	-66.7% (price as of 2026-08-20)
Jan. 19, 2016	NTRSO	A	18,979	—	—	72,460 Direct	+35.49%	Acquired	(price as of 2026-08-20)
Jan. 19, 2016	NTRSO	F	6,474	$64.43	$417,120	65,986 Direct	-8.93%	Disposed	-71.5% (price as of 2026-08-20)
Oct. 19, 2015	NTRSO	F	7,366	$68.67	$505,823	53,481 Direct	-12.11%	Disposed	-73.2% (price as of 2026-08-20)
Feb. 17, 2015	NTRSO	A	23,739	—	—	23,739 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 17, 2015	NTRSO	A	7,122	—	—	60,847 Direct	+13.26%	Acquired	(price as of 2026-08-20)
Jan. 20, 2015	NTRSO	F	5,055	$62.26	$314,724	53,725 Direct	-8.60%	Disposed	-70.5% (price as of 2026-08-20)
Jan. 20, 2015	NTRSO	A	16,037	—	—	58,780 Direct	+37.52%	Acquired	(price as of 2026-08-20)
Oct. 22, 2014	NTRSO	F	7,198	$63.84	$459,520	33,824 Direct	-17.55%	Disposed	-71.2% (price as of 2026-08-20)
Feb. 10, 2014	NTRSO	A	24,651	—	—	24,651 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 10, 2014	NTRSO	A	8,217	—	—	49,941 Direct	+19.69%	Acquired	(price as of 2026-08-20)
Feb. 11, 2013	NTRSO	A	9,490	—	—	41,724 Direct	+29.44%	Acquired	(price as of 2026-08-20)
Feb. 11, 2013	NTRSO	A	28,469	—	—	28,469 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 13, 2012	NTRSO	A	48,110	—	—	48,110 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 18, 2011	NTRSO	A	96,700	—	—	96,700 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 18, 2011	NTRSO	A	32,234	—	—	32,234 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.

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
Jan. 30, 2025	NTRSO	Employee Stock Option (right-to-buy)	Common Stock (23,739)	$70.21	Feb. 17, 2025	23,739	Disposed
Jan. 24, 2024	NTRSO	Employee Stock Option (right-to-buy)	Common Stock (24,651)	$60.85	Feb. 10, 2024	24,651	Disposed
Feb. 7, 2023	NTRSO	Employee Stock Option (right-to-buy)	Common Stock (28,469)	$52.69	Feb. 11, 2023	28,469	Disposed
Dec. 9, 2021	NTRSO	Employee Stock Option (right-to-buy)	Common Stock (48,110)	$43.65	Feb. 14, 2022	48,110	Disposed
May 6, 2021	NTRSO	Employee Stock Option (right-to-buy)	Common Stock (54,062)	$38.78	Oct. 18, 2021	54,062	Disposed
May 5, 2021	NTRSO	Employee Stock Option (right-to-buy)	Common Stock (42,638)	$38.78	Oct. 18, 2021	42,638	Disposed
Feb. 21, 2017	NTRSO	Employee Stock Option (right-to-buy)	Common Stock (40,649)	$88.06	Feb. 21, 2027	40,649	Acquired
Feb. 16, 2016	NTRSO	Employee Stock Option (right-to-buy)	Common Stock (34,489)	$58.25	Feb. 16, 2026	34,489	Acquired
Feb. 17, 2015	NTRSO	Employee Stock Option (right-to-buy)	Common Stock (23,739)	$70.21	Feb. 17, 2025	23,739	Acquired
Feb. 10, 2014	NTRSO	Employee Stock Option (right-to-buy)	Common Stock (24,651)	$60.85	Feb. 10, 2024	24,651	Acquired
Feb. 11, 2013	NTRSO	Employee Stock Option (right-to-buy)	Common Stock (28,469)	$52.69	Feb. 11, 2023	28,469	Acquired
Feb. 13, 2012	NTRSO	Employee Stock Option (right-to-buy)	Common Stock (48,110)	$43.65	Feb. 14, 2022	48,110	Acquired
Oct. 18, 2011	NTRSO	Employee Stock Option (right-to-buy)	Common Stock (96,700)	$38.78	Oct. 18, 2021	96,700	Acquired

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
Aug. 16, 2011	NTRSO	Common Stock	0	Indirect

Compensation (DEF 14A)

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

NTRSO

CEO

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2023	$1,000,000	—	$8,500,150	—	$500,000	$138,719	$35,891	$10,174,760
2022	$987,500	—	$8,500,158	—	$1,000,000	$289,639	$39,342	$10,816,639
2021	$950,000	—	$6,825,124	—	$2,500,000	$144,932	$29,177	$10,449,233

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