David Byron Smith JR

Insider

First SEC filing: Dec. 12, 2025 · Latest: Dec. 12, 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.
Initial holdings The stakes this person held when they first started reporting.

Insider at

Insider transactions

1 buys (P) 0 sells (S) Net: $1,678,122 + 93 non-open-market transactions below Avg return of open purchases vs now: 13.5% 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

93 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 7, 2026	ITW	A	130	$296.66	$38,566	30,372 Direct	+0.43%	Acquired	-4.3% (price as of 2026-08-20)
July 31, 2026	NTRSO	G	1,120	—	—	87,157 Indirect	+1.30%	Acquired	(price as of 2026-08-20)
Dec. 11, 2025	ITW	J	5,990	—	—	12,699 Indirect	+89.28%	Acquired	(price as of 2026-08-20)
Dec. 11, 2025	ITW	J	5,990	—	—	29,194 Direct	-17.02%	Disposed	(price as of 2026-08-20)
Dec. 11, 2025	ITW	J	81,301	—	—	35,184 Direct	-69.80%	Disposed	(price as of 2026-08-20)
Dec. 10, 2025	ITW	P	6,709	$250.13	$1,678,122	6,709 Indirect	—	Acquired	13.5% (price as of 2026-08-20)
Dec. 10, 2025	ITW	G	6,709	—	—	116,485 Direct	-5.45%	Disposed	(price as of 2026-08-20)
Nov. 7, 2025	ITW	A	157	$245.49	$38,542	123,194 Direct	+0.13%	Acquired	15.6% (price as of 2026-08-20)
June 2, 2025	ITW	P	872	$241.16	$210,292	122,884 Direct	+0.71%	Acquired	17.7% (price as of 2026-08-20)
June 2, 2025	ITW	G	872	—	—	122,012 Direct	-0.71%	Disposed	(price as of 2026-08-20)
April 30, 2025	NTRSO	G	2,160	—	—	63,064 Indirect	+3.55%	Acquired	(price as of 2026-08-20)
April 22, 2025	NTRSO	A	1,902	—	—	1,902 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 31, 2025	NTRSO	G	1,780	—	—	59,082 Indirect	+3.11%	Acquired	(price as of 2026-08-20)
Oct. 31, 2024	NTRSO	G	1,990	—	—	57,302 Indirect	+3.60%	Acquired	(price as of 2026-08-20)
July 31, 2024	NTRSO	G	2,250	—	—	55,312 Indirect	+4.24%	Acquired	(price as of 2026-08-20)
April 30, 2024	NTRSO	G	2,400	—	—	53,062 Indirect	+4.74%	Acquired	(price as of 2026-08-20)
April 16, 2024	NTRSO	A	1,822	—	—	1,822 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 31, 2024	NTRSO	G	2,500	—	—	48,807 Indirect	+5.40%	Acquired	(price as of 2026-08-20)
Oct. 31, 2023	NTRSO	G	3,220	—	—	46,307 Indirect	+7.47%	Acquired	(price as of 2026-08-20)
July 31, 2023	NTRSO	G	2,600	—	—	43,087 Indirect	+6.42%	Acquired	(price as of 2026-08-20)
April 28, 2023	NTRSO	G	2,700	—	—	40,487 Indirect	+7.15%	Acquired	(price as of 2026-08-20)
April 25, 2023	NTRSO	A	1,855	—	—	1,855 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 31, 2023	NTRSO	G	2,160	—	—	36,444 Indirect	+6.30%	Acquired	(price as of 2026-08-20)
Oct. 31, 2022	NTRSO	G	2,360	—	—	34,284 Indirect	+7.39%	Acquired	(price as of 2026-08-20)
Aug. 5, 2022	ITW	A	177	$210.76	$37,305	118,820 Direct	+0.15%	Acquired	34.7% (price as of 2026-08-20)
July 29, 2022	NTRSO	G	2,040	—	—	31,924 Indirect	+6.83%	Acquired	(price as of 2026-08-20)
May 6, 2022	ITW	A	991	$209.27	$207,387	118,643 Direct	+0.84%	Acquired	35.6% (price as of 2026-08-20)
April 29, 2022	NTRSO	G	1,840	—	—	29,884 Indirect	+6.56%	Acquired	(price as of 2026-08-20)
April 26, 2022	NTRSO	A	1,343	—	—	1,343 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 31, 2022	NTRSO	G	1,730	—	—	28,044 Indirect	+6.57%	Acquired	(price as of 2026-08-20)
Oct. 29, 2021	NTRSO	G	1,650	—	—	26,314 Indirect	+6.69%	Acquired	(price as of 2026-08-20)
Aug. 6, 2021	ITW	A	164	$227.73	$37,348	118,329 Direct	+0.14%	Acquired	24.6% (price as of 2026-08-20)
July 30, 2021	NTRSO	G	1,780	—	—	24,664 Indirect	+7.78%	Acquired	(price as of 2026-08-20)
May 7, 2021	ITW	A	870	$238.28	$207,304	118,165 Direct	+0.74%	Acquired	19.1% (price as of 2026-08-20)
April 29, 2021	NTRSO	G	1,780	—	—	22,884 Indirect	+8.43%	Acquired	(price as of 2026-08-20)
April 20, 2021	NTRSO	A	1,164	—	—	1,164 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 28, 2021	NTRSO	G	1,110	—	—	21,104 Indirect	+5.55%	Acquired	(price as of 2026-08-20)
Oct. 29, 2020	NTRSO	G	1,300	—	—	19,994 Indirect	+6.95%	Acquired	(price as of 2026-08-20)
July 30, 2020	NTRSO	G	1,300	—	—	18,694 Indirect	+7.47%	Acquired	(price as of 2026-08-20)
May 8, 2020	ITW	A	1,132	$161.01	$182,263	117,636 Direct	+0.97%	Acquired	76.3% (price as of 2026-08-20)
April 21, 2020	NTRSO	A	1,679	—	—	1,679 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 7, 2020	ITW	A	204	$183.54	$37,442	116,504 Direct	+0.18%	Acquired	54.6% (price as of 2026-08-20)
Nov. 1, 2019	ITW	A	217	$172.79	$37,495	116,300 Direct	+0.19%	Acquired	64.3% (price as of 2026-08-20)
Aug. 2, 2019	ITW	A	247	$151.67	$37,462	116,083 Direct	+0.21%	Acquired	87.1% (price as of 2026-08-20)
May 3, 2019	ITW	A	1,159	$157.41	$182,438	115,836 Direct	+1.01%	Acquired	80.3% (price as of 2026-08-20)
April 23, 2019	NTRSO	A	1,146	—	—	1,146 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 1, 2019	ITW	A	278	$134.43	$37,372	114,677 Direct	+0.24%	Acquired	111.1% (price as of 2026-08-20)
Nov. 2, 2018	ITW	A	286	$130.71	$37,383	114,399 Direct	+0.25%	Acquired	117.1% (price as of 2026-08-20)
Aug. 3, 2018	ITW	A	268	$139.55	$37,399	114,113 Direct	+0.24%	Acquired	103.4% (price as of 2026-08-20)
May 4, 2018	ITW	A	1,253	$145.47	$182,274	113,845 Direct	+1.11%	Acquired	95.1% (price as of 2026-08-20)
April 17, 2018	NTRSO	A	1,033	—	—	1,033 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 2, 2018	ITW	A	220	$178.30	$39,226	112,592 Direct	+0.20%	Acquired	59.2% (price as of 2026-08-20)
Nov. 3, 2017	ITW	A	119	$157.30	$18,719	112,372 Direct	+0.11%	Acquired	80.4% (price as of 2026-08-20)
Aug. 31, 2017	ITW	G	3,000	—	—	112,253 Direct	-2.60%	Disposed	(price as of 2026-08-20)
Aug. 4, 2017	ITW	A	131	$142.88	$18,717	115,253 Direct	+0.11%	Acquired	98.6% (price as of 2026-08-20)
June 1, 2017	NTRSO	G	2,585	—	—	1,214 Direct	—	Acquired	(price as of 2026-08-20)
May 5, 2017	ITW	A	1,172	$139.60	$163,611	115,122 Direct	+1.03%	Acquired	103.3% (price as of 2026-08-20)
April 25, 2017	NTRSO	A	1,214	—	—	1,214 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 3, 2017	ITW	A	147	$127.21	$18,700	113,950 Direct	+0.13%	Acquired	123.1% (price as of 2026-08-20)
Dec. 8, 2016	ITW	G	4,000	—	—	113,803 Direct	-3.40%	Disposed	(price as of 2026-08-20)
Nov. 4, 2016	ITW	A	101	$114.02	$11,516	117,803 Direct	+0.09%	Acquired	148.9% (price as of 2026-08-20)
Aug. 5, 2016	ITW	A	99	$116.84	$11,567	117,702 Direct	+0.08%	Acquired	142.9% (price as of 2026-08-20)
May 6, 2016	ITW	A	1,406	$104.19	$146,491	14,702 Direct	+10.57%	Acquired	172.4% (price as of 2026-08-20)
April 19, 2016	NTRSO	A	1,531	—	—	1,531 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 5, 2016	ITW	A	128	$90.41	$11,572	13,296 Direct	+0.97%	Acquired	213.9% (price as of 2026-08-20)
May 8, 2015	ITW	A	1,303	$95.92	$124,984	13,168 Direct	+10.98%	Acquired	195.9% (price as of 2026-08-20)
April 21, 2015	NTRSO	A	1,530	—	—	1,530 Direct	—	Acquired	(price as of 2026-08-20)
May 2, 2014	ITW	A	1,404	$85.43	$119,944	11,865 Direct	+13.42%	Acquired	232.2% (price as of 2026-08-20)
April 15, 2014	NTRSO	A	1,677	—	—	1,677 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 4, 2014	ITW	G	531	—	—	15,517 Indirect	+3.54%	Acquired	(price as of 2026-08-20)
Feb. 3, 2014	NTRSO	G	232	—	—	2,125 Indirect	+12.26%	Acquired	(price as of 2026-08-20)
Feb. 3, 2014	NTRSO	G	232	—	—	2,125 Indirect	+12.26%	Acquired	(price as of 2026-08-20)
Feb. 3, 2014	NTRSO	G	232	—	—	2,125 Indirect	+12.26%	Acquired	(price as of 2026-08-20)
May 3, 2013	ITW	A	1,597	$65.71	$104,939	10,461 Direct	+18.02%	Acquired	331.9% (price as of 2026-08-20)
April 16, 2013	NTRSO	A	1,873	—	—	1,873 Direct	—	Acquired	(price as of 2026-08-20)
April 16, 2013	NTRSO	A	1,872	—	—	1,872 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 5, 2013	NTRSO	G	271	—	—	1,893 Indirect	+16.71%	Acquired	(price as of 2026-08-20)
Feb. 5, 2013	NTRSO	G	271	—	—	1,893 Indirect	+16.71%	Acquired	(price as of 2026-08-20)
Feb. 5, 2013	NTRSO	G	271	—	—	1,893 Indirect	+16.71%	Acquired	(price as of 2026-08-20)
Dec. 21, 2012	NTRSO	G	1,704	—	—	1,704 Indirect	—	Acquired	(price as of 2026-08-20)
Nov. 2, 2012	ITW	A	544	$62.02	$33,739	8,864 Direct	+6.54%	Acquired	357.6% (price as of 2026-08-20)
Aug. 3, 2012	ITW	A	606	$55.62	$33,706	8,320 Direct	+7.86%	Acquired	410.3% (price as of 2026-08-20)
June 14, 2012	ITW	S	66,667	$54.15	$3,610,018	2,650,002 Indirect	-2.45%	Disposed	424.2% (price as of 2026-08-20)
June 13, 2012	ITW	S	66,667	$54.66	$3,644,018	2,716,669 Indirect	-2.40%	Disposed	419.3% (price as of 2026-08-20)
June 12, 2012	ITW	S	66,666	$55.22	$3,681,297	2,783,336 Indirect	-2.34%	Disposed	414.0% (price as of 2026-08-20)
May 4, 2012	ITW	A	952	$56.43	$53,721	7,714 Direct	+14.08%	Acquired	403.0% (price as of 2026-08-20)
April 20, 2012	NTRSO	G	558	—	—	1,622 Indirect	+52.44%	Acquired	(price as of 2026-08-20)
April 20, 2012	NTRSO	G	558	—	—	1,622 Indirect	+52.44%	Acquired	(price as of 2026-08-20)
April 20, 2012	NTRSO	G	558	—	—	1,622 Indirect	+52.44%	Acquired	(price as of 2026-08-20)
April 17, 2012	NTRSO	A	1,920	—	—	1,920 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 10, 2012	ITW	A	2,130	$55.71	$118,662	6,762 Direct	+45.98%	Acquired	409.5% (price as of 2026-08-20)
Oct. 26, 2011	ITW	A	729	$46.28	$33,738	4,632 Direct	+18.68%	Acquired	513.3% (price as of 2026-08-20)
July 27, 2011	ITW	A	665	$50.72	$33,729	3,903 Direct	+20.54%	Acquired	459.6% (price as of 2026-08-20)
April 27, 2011	ITW	A	585	$57.67	$33,737	3,238 Direct	+22.05%	Acquired	392.2% (price as of 2026-08-20)
April 19, 2011	NTRSO	A	1,849	—	—	1,849 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 11, 2011	ITW	A	1,164	$55.81	$64,963	2,653 Direct	+78.17%	Acquired	408.6% (price as of 2026-08-20)
April 20, 2010	NTRSO	A	1,625	—	—	1,625 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 12, 2010	ITW	A	1,489	$43.64	$64,980	1,489 Direct	—	Acquired	550.4% (price as of 2026-08-20)
Dec. 16, 2009	ITW	S	75,000	$48.84	$3,663,000	8,736,286 Indirect	-0.85%	Disposed	481.1% (price as of 2026-08-20)
Dec. 15, 2009	ITW	S	125,000	$48.99	$6,123,750	8,811,286 Indirect	-1.40%	Disposed	479.4% (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.

Initial ownership (Form 3) 11 holdings

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

Date	Ticker	Security	Shares	Ownership
April 22, 2010	NTRSO	Common Stock	12,000	Direct
April 22, 2010	NTRSO	Common Stock	1,362,880	Indirect
April 22, 2010	NTRSO	Common Stock	1,064	Indirect
April 22, 2010	NTRSO	Common Stock	1,064	Indirect
April 22, 2010	NTRSO	Common Stock	1,064	Indirect
Dec. 14, 2009	ITW	Common Stock	45,000	Direct
Dec. 14, 2009	ITW	Common Stock	57,901	Indirect
Dec. 14, 2009	ITW	Common Stock	1,650,002	Indirect
Dec. 14, 2009	ITW	Common Stock	8,936,286	Indirect
Dec. 14, 2009	ITW	Common Stock	14,986	Indirect
Dec. 14, 2009	ITW	Phantom Stock Units→ Common Stock (1,000)	1,000	Direct