Matthew T Ratajczak

Insider

First SEC filing: April 19, 2012 · Latest: April 19, 2012

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

RPM selling Oct. 7, 2024

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 54 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

54 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 19, 2026	RPM	F	670	$105.08	$70,404	23,456 Direct	-2.78%	Disposed	5.1% (price as of 2026-08-21)
July 15, 2026	RPM	A	1,500	—	—	24,126 Direct	+6.63%	Acquired	(price as of 2026-08-21)
July 15, 2026	RPM	A	221	—	—	22,626 Direct	+0.99%	Acquired	(price as of 2026-08-21)
May 31, 2026	RPM	F	224	$105.97	$23,737	22,405 Direct	-0.99%	Disposed	4.2% (price as of 2026-08-21)
July 16, 2025	RPM	A	1,500	—	—	22,629 Direct	+7.10%	Acquired	(price as of 2026-08-21)
July 16, 2025	RPM	A	292	—	—	21,129 Direct	+1.40%	Acquired	(price as of 2026-08-21)
May 31, 2025	RPM	F	346	$113.84	$39,389	20,837 Direct	-1.63%	Disposed	-3.0% (price as of 2026-08-21)
Oct. 7, 2024	RPM	S	3,156	$128.75	$406,335	21,183 Direct	-12.97%	Disposed	-14.2% (price as of 2026-08-21)
July 29, 2024	RPM	S	1,452	$117.79	$171,031	24,339 Direct	-5.63%	Disposed	-6.2% (price as of 2026-08-21)
July 21, 2024	RPM	F	1,344	$112.47	$151,160	25,791 Direct	-4.95%	Disposed	-1.8% (price as of 2026-08-21)
July 18, 2024	RPM	F	618	$114.26	$70,613	27,135 Direct	-2.23%	Disposed	-3.3% (price as of 2026-08-21)
July 18, 2024	RPM	A	2,070	—	—	27,753 Direct	+8.06%	Acquired	(price as of 2026-08-21)
July 18, 2024	RPM	A	2,300	—	—	25,683 Direct	+9.84%	Acquired	(price as of 2026-08-21)
July 18, 2024	RPM	A	269	—	—	23,383 Direct	+1.16%	Acquired	(price as of 2026-08-21)
May 31, 2024	RPM	F	337	$112.10	$37,778	23,114 Direct	-1.44%	Disposed	-1.5% (price as of 2026-08-21)
Feb. 15, 2024	RPM	S	6,000	$109.63	$657,780	23,451 Direct	-20.37%	Disposed	0.7% (price as of 2026-08-21)
Aug. 3, 2023	RPM	S	6,137	$103.29	$633,891	29,451 Direct	-17.24%	Disposed	6.9% (price as of 2026-08-21)
July 21, 2023	RPM	F	9,402	$92.95	$873,916	35,588 Direct	-20.90%	Disposed	18.8% (price as of 2026-08-21)
July 21, 2023	RPM	F	1,120	$92.95	$104,104	44,990 Direct	-2.43%	Disposed	18.8% (price as of 2026-08-21)
July 19, 2023	RPM	F	1,493	$93.51	$139,610	46,110 Direct	-3.14%	Disposed	18.1% (price as of 2026-08-21)
July 19, 2023	RPM	A	5,000	—	—	47,603 Direct	+11.74%	Acquired	(price as of 2026-08-21)
July 19, 2023	RPM	A	2,300	—	—	42,603 Direct	+5.71%	Acquired	(price as of 2026-08-21)
July 19, 2023	RPM	A	722	—	—	40,303 Direct	+1.82%	Acquired	(price as of 2026-08-21)
Nov. 10, 2022	RPM	S	16,000	$99.79	$1,596,640	39,546 Direct	-28.80%	Disposed	10.7% (price as of 2026-08-21)
July 29, 2022	RPM	S	993	$90.02	$89,390	55,546 Direct	-1.76%	Disposed	22.7% (price as of 2026-08-21)
July 18, 2022	RPM	F	1,023	$81.01	$82,873	56,539 Direct	-1.78%	Disposed	36.3% (price as of 2026-08-21)
July 18, 2022	RPM	A	3,426	—	—	57,562 Direct	+6.33%	Acquired	(price as of 2026-08-21)
July 18, 2022	RPM	A	772	—	—	54,136 Direct	+1.45%	Acquired	(price as of 2026-08-21)
July 18, 2022	RPM	F	1,194	$81.01	$96,726	53,364 Direct	-2.19%	Disposed	36.3% (price as of 2026-08-21)
July 21, 2021	RPM	F	589	$86.93	$51,202	54,558 Direct	-1.07%	Disposed	27.0% (price as of 2026-08-21)
July 21, 2021	RPM	A	1,970	—	—	55,147 Direct	+3.70%	Acquired	(price as of 2026-08-21)
July 21, 2021	RPM	A	4,500	—	—	53,177 Direct	+9.24%	Acquired	(price as of 2026-08-21)
July 21, 2021	RPM	A	769	—	—	48,677 Direct	+1.61%	Acquired	(price as of 2026-08-21)
July 16, 2021	RPM	F	597	$88.94	$53,097	47,908 Direct	-1.23%	Disposed	24.2% (price as of 2026-08-21)
July 22, 2020	RPM	A	3,750	—	—	48,505 Direct	+8.38%	Acquired	(price as of 2026-08-21)
July 22, 2020	RPM	A	1,159	—	—	44,755 Direct	+2.66%	Acquired	(price as of 2026-08-21)
Feb. 19, 2020	RPM	S	696	$74.77	$52,040	43,596 Direct	-1.57%	Disposed	47.7% (price as of 2026-08-21)
July 25, 2019	RPM	F	1,940	$66.45	$128,913	44,292 Direct	-4.20%	Disposed	66.2% (price as of 2026-08-21)
July 18, 2019	RPM	A	4,000	—	—	46,232 Direct	+9.47%	Acquired	(price as of 2026-08-21)
July 18, 2019	RPM	A	1,130	—	—	42,232 Direct	+2.75%	Acquired	(price as of 2026-08-21)
July 20, 2018	RPM	F	1,342	$61.65	$82,734	41,102 Direct	-3.16%	Disposed	79.1% (price as of 2026-08-21)
July 16, 2018	RPM	D	5,000	—	—	40,444 Direct	-11.00%	Disposed	(price as of 2026-08-21)
July 16, 2018	RPM	A	3,517	—	—	45,444 Direct	+8.39%	Acquired	(price as of 2026-08-21)
July 21, 2017	RPM	F	1,772	$54.67	$96,875	43,927 Direct	-3.88%	Disposed	102.0% (price as of 2026-08-21)
July 17, 2017	RPM	A	1,297	—	—	45,699 Direct	+2.92%	Acquired	(price as of 2026-08-21)
Aug. 1, 2016	RPM	S	4,152	$54.04	$224,374	44,402 Direct	-8.55%	Disposed	104.4% (price as of 2026-08-21)
July 25, 2016	RPM	A	1,323	—	—	42,054 Direct	+3.25%	Acquired	(price as of 2026-08-21)
July 25, 2016	RPM	A	6,500	—	—	58,454 Direct	+12.51%	Acquired	(price as of 2026-08-21)
July 18, 2016	RPM	F	1,848	$52.00	$96,096	40,731 Direct	-4.34%	Disposed	112.4% (price as of 2026-08-21)
Jan. 19, 2016	RPM	S	5,114	$39.03	$199,599	42,579 Direct	-10.72%	Disposed	183.0% (price as of 2026-08-21)
Aug. 5, 2015	RPM	S	4,154	$47.10	$195,653	47,693 Direct	-8.01%	Disposed	134.5% (price as of 2026-08-21)
July 31, 2015	RPM	A	5,000	—	—	51,847 Direct	+10.67%	Acquired	(price as of 2026-08-21)
July 20, 2015	RPM	A	4,500	—	—	46,847 Direct	+10.63%	Acquired	(price as of 2026-08-21)
July 20, 2015	RPM	A	1,349	—	—	42,347 Direct	+3.29%	Acquired	(price as of 2026-08-21)
July 16, 2015	RPM	F	1,846	$47.59	$87,851	40,998 Direct	-4.31%	Disposed	132.1% (price as of 2026-08-21)
July 21, 2014	RPM	A	5,400	—	—	42,844 Direct	+14.42%	Acquired	(price as of 2026-08-21)
July 21, 2014	RPM	A	1,433	—	—	37,444 Direct	+3.98%	Acquired	(price as of 2026-08-21)
July 18, 2014	RPM	F	1,536	$44.79	$68,797	36,011 Direct	-4.09%	Disposed	146.6% (price as of 2026-08-21)
May 7, 2014	RPM	S	6,000	$42.30	$253,800	37,547 Direct	-13.78%	Disposed	161.1% (price as of 2026-08-21)
Oct. 11, 2013	RPM	S	1,630	$36.79	$59,968	43,547 Direct	-3.61%	Disposed	200.2% (price as of 2026-08-21)
July 19, 2013	RPM	F	1,529	$34.12	$52,169	45,177 Direct	-3.27%	Disposed	223.7% (price as of 2026-08-21)
July 18, 2013	RPM	A	1,698	—	—	40,706 Direct	+4.35%	Acquired	(price as of 2026-08-21)
July 18, 2013	RPM	A	6,000	—	—	46,706 Direct	+14.74%	Acquired	(price as of 2026-08-21)
Oct. 8, 2012	RPM	F	300	$26.86	$8,058	39,008 Direct	-0.76%	Disposed	311.2% (price as of 2026-08-21)
July 16, 2012	RPM	A	6,000	—	—	39,308 Direct	+18.01%	Acquired	(price as of 2026-08-21)
July 16, 2012	RPM	A	1,878	—	—	33,308 Direct	+5.98%	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.

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
April 19, 2012	RPM	Common Stock, $0.01 par value	31,430	Direct