Michael J Merriman

Insider

First SEC filing: Nov. 4, 2024 · Latest: Nov. 4, 2024

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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.

Insider at

Insider transactions

0 buys (P) 1 sells (S) Net: $-14,000 + 46 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

46 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Dec. 17, 2025	RGS	S	500	$28.00	$14,000	13,067 Direct	-3.69%	Disposed	-5.3% (price as of 2026-08-21)
Nov. 14, 2025	RGS	A	2,727	—	—	13,567 Direct	+25.16%	Acquired	(price as of 2026-08-21)
Nov. 1, 2025	NDSN	A	822	$231.95	$190,663	29,515 Direct	+2.86%	Acquired	44.4% (price as of 2026-08-21)
Nov. 25, 2024	RGS	A	4,800	—	—	10,840 Direct	+79.47%	Acquired	(price as of 2026-08-21)
Nov. 1, 2024	NDSN	A	747	$249.03	$186,025	28,290 Direct	+2.71%	Acquired	34.5% (price as of 2026-08-21)
Nov. 1, 2023	NDSN	A	749	$211.52	$158,428	27,251 Direct	+2.83%	Acquired	58.4% (price as of 2026-08-21)
Nov. 4, 2022	RGS	A	90,000	—	—	90,000 Direct	—	Acquired	(price as of 2026-08-21)
Nov. 1, 2022	NDSN	A	730	$225.93	$164,929	26,222 Direct	+2.86%	Acquired	48.3% (price as of 2026-08-21)
Nov. 5, 2021	RGS	A	39,855	—	—	121,041 Direct	+49.09%	Acquired	(price as of 2026-08-21)
Nov. 1, 2021	NDSN	A	608	$238.43	$144,965	25,266 Direct	+2.47%	Acquired	40.5% (price as of 2026-08-21)
Nov. 2, 2020	NDSN	A	662	$196.27	$129,931	24,480 Direct	+2.78%	Acquired	70.7% (price as of 2026-08-21)
Oct. 27, 2020	RGS	A	18,456	—	—	81,186 Direct	+29.42%	Acquired	(price as of 2026-08-21)
June 24, 2020	NDSN	G	1,000	$184.69	$184,690	23,618 Direct	-4.06%	Disposed	81.4% (price as of 2026-08-21)
Nov. 1, 2019	NDSN	A	812	$160.02	$129,936	24,618 Direct	+3.41%	Acquired	109.4% (price as of 2026-08-21)
Oct. 22, 2019	RGS	A	4,937	—	—	62,730 Direct	+8.54%	Acquired	(price as of 2026-08-21)
Nov. 1, 2018	NDSN	A	1,025	—	—	23,450 Direct	+4.57%	Acquired	(price as of 2026-08-21)
Oct. 23, 2018	RGS	A	5,592	—	—	57,793 Direct	+10.71%	Acquired	(price as of 2026-08-21)
Nov. 1, 2017	NDSN	A	990	—	—	22,377 Direct	+4.63%	Acquired	(price as of 2026-08-21)
Oct. 17, 2017	RGS	A	5,948	—	—	52,201 Direct	+12.86%	Acquired	(price as of 2026-08-21)
May 8, 2017	RGS	P	10,000	$9.24	$92,400	46,253 Direct	+27.58%	Acquired	-85.7% (price as of 2026-08-21)
Nov. 1, 2016	NDSN	A	1,283	—	—	21,209 Direct	+6.44%	Acquired	(price as of 2026-08-21)
Oct. 18, 2016	RGS	A	7,456	—	—	36,253 Direct	+25.89%	Acquired	(price as of 2026-08-21)
Nov. 1, 2015	NDSN	A	1,667	—	—	19,710 Direct	+9.24%	Acquired	(price as of 2026-08-21)
Oct. 20, 2015	RGS	A	6,907	—	—	28,797 Direct	+31.55%	Acquired	(price as of 2026-08-21)
Sept. 8, 2015	NDSN	J	50	—	—	13,746 Direct	+0.37%	Acquired	(price as of 2026-08-21)
Sept. 8, 2015	NDSN	J	6	—	—	1,595 Direct	+0.38%	Acquired	(price as of 2026-08-21)
June 9, 2015	NDSN	J	37	—	—	13,696 Direct	+0.27%	Acquired	(price as of 2026-08-21)
June 9, 2015	NDSN	J	4	—	—	1,589 Direct	+0.25%	Acquired	(price as of 2026-08-21)
March 10, 2015	NDSN	J	80	—	—	13,659 Direct	+0.59%	Acquired	(price as of 2026-08-21)
March 10, 2015	NDSN	J	9	—	—	1,585 Direct	+0.57%	Acquired	(price as of 2026-08-21)
Nov. 28, 2014	NDSN	A	1,787	—	—	13,579 Direct	+15.15%	Acquired	(price as of 2026-08-21)
Nov. 28, 2014	NDSN	D	1,787	—	—	1,576 Direct	-53.14%	Disposed	(price as of 2026-08-21)
Nov. 3, 2014	NDSN	A	1,576	—	—	3,363 Direct	+88.19%	Acquired	(price as of 2026-08-21)
Oct. 31, 2014	NDSN	J	119	—	—	11,792 Direct	+1.02%	Acquired	(price as of 2026-08-21)
Oct. 31, 2014	NDSN	A	15	—	—	11,673 Direct	+0.13%	Acquired	(price as of 2026-08-21)
Oct. 31, 2014	NDSN	A	1,532	—	—	11,658 Direct	+15.13%	Acquired	(price as of 2026-08-21)
Oct. 31, 2014	NDSN	D	15	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Oct. 31, 2014	NDSN	D	1,532	—	—	15 Direct	-99.03%	Disposed	(price as of 2026-08-21)
Oct. 31, 2014	NDSN	A	15	—	—	1,547 Direct	+0.98%	Acquired	(price as of 2026-08-21)
Oct. 28, 2014	RGS	A	5,457	—	—	21,890 Direct	+33.21%	Acquired	(price as of 2026-08-21)
Nov. 1, 2013	NDSN	J	109	—	—	10,126 Direct	+1.09%	Acquired	(price as of 2026-08-21)
Nov. 1, 2013	NDSN	A	1,532	—	—	3,319 Direct	+85.73%	Acquired	(price as of 2026-08-21)
Oct. 22, 2013	RGS	A	6,016	—	—	16,371 Direct	+58.10%	Acquired	(price as of 2026-08-21)
Jan. 28, 2013	RGS	A	5,202	—	—	10,247 Direct	+103.11%	Acquired	(price as of 2026-08-21)
June 29, 2012	RGS	A	5,011	—	—	5,011 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 8, 2009	NDSN	A	1,456	—	—	3,892 Direct	+59.77%	Acquired	(price as of 2026-08-21)
Dec. 4, 2008	NDSN	A	2,436	—	—	2,436 Direct	—	Acquired	(price as of 2026-08-21)
Aug. 26, 2008	NDSN	A	264	—	—	264 Direct	—	Acquired	(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.

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. 4, 2022	RGS	Stock Options	Common Stock (90,000)	$1.31	Nov. 4, 2032	90,000	Acquired
Sept. 8, 2015	NDSN	Share Equivalent Units	Common Shares	—	—	50	Acquired
Sept. 8, 2015	NDSN	Restricted Share Units	Common Shares (6)	—	—	6	Acquired
June 9, 2015	NDSN	Share Equivalent Units	Common Shares	—	—	37	Acquired
June 9, 2015	NDSN	Restricted Share Units	Common Shares (4)	—	—	4	Acquired
March 10, 2015	NDSN	Share Equivalent Units	Common Shares	—	—	80	Acquired
March 10, 2015	NDSN	Restricted Share Units	Common Shares (9)	—	—	9	Acquired
Nov. 28, 2014	NDSN	Share Equivalent Units	Common Shares (1,787)	—	—	1,787	Acquired
Nov. 28, 2014	NDSN	Restricted Share Units	Common Shares (1,787)	—	—	1,787	Disposed
Nov. 3, 2014	NDSN	Restricted Share Units	Common Shares (1,576)	—	—	1,576	Acquired
Oct. 31, 2014	NDSN	Share Equivalent Units	Common Shares (119)	—	—	119	Acquired
Oct. 31, 2014	NDSN	Share Equivalent Units	Common Shares (15)	—	—	15	Acquired
Oct. 31, 2014	NDSN	Share Equivalent Units	Common Shares (1,532)	—	—	1,532	Acquired
Oct. 31, 2014	NDSN	Restricted Share Units	Common Shares (15)	—	—	15	Disposed
Oct. 31, 2014	NDSN	Restricted Share Units	Common Shares (1,532)	—	—	1,532	Disposed
Oct. 31, 2014	NDSN	Restricted Share Units	Common Shares (15)	—	—	15	Acquired
Nov. 1, 2013	NDSN	Share Equivalent Units	Common Shares (109)	—	—	109	Acquired
Nov. 1, 2013	NDSN	Restricted Share Units [F1]	Common Shares (1,532)	—	—	1,532	Acquired
Dec. 8, 2009	NDSN	Restricted Stock Units	Common Shares (1,456)	—	—	1,456	Acquired
Dec. 4, 2008	NDSN	Restricted Stock Units	Common Shares (2,436)	—	—	2,436	Acquired

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