Peter T Heilmann

Insider

First SEC filing: March 5, 2014 · Latest: March 5, 2014

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

MATX selling May 12, 2026

Insider transactions

0 buys (P) 2 sells (S) Net: $-3,443,483 + 80 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

80 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 12, 2026	MATX	S	7,173	$180.19	$1,292,503	25,506 Direct	-21.95%	Disposed	22.8% (price as of 2026-08-19)
March 3, 2026	MATX	S	13,000	$165.46	$2,150,980	32,679 Direct	-28.46%	Disposed	33.8% (price as of 2026-08-19)
Jan. 25, 2026	MATX	A	13,902	—	—	53,741 Direct	+34.90%	Acquired	(price as of 2026-08-19)
Jan. 25, 2026	MATX	F	942	$158.94	$149,721	52,799 Direct	-1.75%	Disposed	39.2% (price as of 2026-08-19)
Jan. 25, 2026	MATX	F	7,120	$158.94	$1,131,653	45,679 Direct	-13.49%	Disposed	39.2% (price as of 2026-08-19)
Jan. 24, 2026	MATX	F	510	$158.94	$81,059	39,839 Direct	-1.26%	Disposed	39.2% (price as of 2026-08-19)
Jan. 22, 2026	MATX	F	491	$160.30	$78,707	40,349 Direct	-1.20%	Disposed	38.1% (price as of 2026-08-19)
Jan. 21, 2026	MATX	A	2,569	—	—	40,840 Direct	+6.71%	Acquired	(price as of 2026-08-19)
Jan. 26, 2025	MATX	A	6,930	—	—	41,330 Direct	+20.15%	Acquired	(price as of 2026-08-19)
Jan. 26, 2025	MATX	A	2,310	—	—	43,640 Direct	+5.59%	Acquired	(price as of 2026-08-19)
Jan. 26, 2025	MATX	F	625	$136.32	$85,200	43,015 Direct	-1.43%	Disposed	62.3% (price as of 2026-08-19)
Jan. 26, 2025	MATX	F	1,173	$136.32	$159,903	41,842 Direct	-2.73%	Disposed	62.3% (price as of 2026-08-19)
Jan. 26, 2025	MATX	F	3,571	$136.32	$486,799	38,271 Direct	-8.53%	Disposed	62.3% (price as of 2026-08-19)
Jan. 25, 2025	MATX	F	941	$136.32	$128,277	34,400 Direct	-2.66%	Disposed	62.3% (price as of 2026-08-19)
Jan. 24, 2025	MATX	F	510	$136.32	$69,523	35,341 Direct	-1.42%	Disposed	62.3% (price as of 2026-08-19)
Jan. 22, 2025	MATX	A	2,899	—	—	35,851 Direct	+8.80%	Acquired	(price as of 2026-08-19)
Nov. 6, 2024	MATX	S	5,404	$162.36	$877,393	32,952 Direct	-14.09%	Disposed	36.3% (price as of 2026-08-19)
Aug. 6, 2024	MATX	S	272	$130.23	$35,423	48,084 Direct	-0.56%	Disposed	69.9% (price as of 2026-08-19)
Aug. 6, 2024	MATX	S	9,728	$129.35	$1,258,317	38,356 Direct	-20.23%	Disposed	71.1% (price as of 2026-08-19)
June 4, 2024	MATX	S	75	$125.00	$9,375	48,356 Direct	-0.15%	Disposed	77.1% (price as of 2026-08-19)
March 5, 2024	MATX	S	1,162	$107.43	$124,834	56,316 Direct	-2.02%	Disposed	106.0% (price as of 2026-08-19)
March 5, 2024	MATX	S	2,975	$105.54	$313,982	53,341 Direct	-5.28%	Disposed	109.7% (price as of 2026-08-19)
March 5, 2024	MATX	S	4,910	$106.73	$524,044	48,431 Direct	-9.20%	Disposed	107.4% (price as of 2026-08-19)
Jan. 27, 2024	MATX	A	10,167	—	—	61,873 Direct	+19.66%	Acquired	(price as of 2026-08-19)
Jan. 27, 2024	MATX	A	3,390	—	—	65,263 Direct	+5.48%	Acquired	(price as of 2026-08-19)
Jan. 27, 2024	MATX	F	915	$114.40	$104,676	64,348 Direct	-1.40%	Disposed	93.5% (price as of 2026-08-19)
Jan. 27, 2024	MATX	F	1,718	$114.40	$196,539	62,630 Direct	-2.67%	Disposed	93.5% (price as of 2026-08-19)
Jan. 27, 2024	MATX	F	5,152	$114.40	$589,389	57,478 Direct	-8.23%	Disposed	93.5% (price as of 2026-08-19)
Jan. 26, 2024	MATX	F	624	$114.40	$71,386	51,706 Direct	-1.19%	Disposed	93.5% (price as of 2026-08-19)
Jan. 25, 2024	MATX	F	994	$116.28	$115,582	52,330 Direct	-1.86%	Disposed	90.3% (price as of 2026-08-19)
Jan. 24, 2024	MATX	A	3,013	—	—	53,324 Direct	+5.99%	Acquired	(price as of 2026-08-19)
June 14, 2023	MATX	S	4,917	$75.98	$373,594	50,311 Direct	-8.90%	Disposed	191.3% (price as of 2026-08-19)
Jan. 27, 2023	MATX	F	896	$63.97	$57,317	55,228 Direct	-1.60%	Disposed	246.0% (price as of 2026-08-19)
Jan. 26, 2023	MATX	F	610	$62.94	$38,393	56,124 Direct	-1.08%	Disposed	251.6% (price as of 2026-08-19)
Jan. 25, 2023	MATX	A	22,250	—	—	62,204 Direct	+55.69%	Acquired	(price as of 2026-08-19)
Jan. 25, 2023	MATX	A	5,561	—	—	67,765 Direct	+8.94%	Acquired	(price as of 2026-08-19)
Jan. 25, 2023	MATX	F	11,031	$62.94	$694,291	56,734 Direct	-16.28%	Disposed	251.6% (price as of 2026-08-19)
Jan. 22, 2023	MATX	F	1,586	$63.48	$100,679	39,954 Direct	-3.82%	Disposed	248.6% (price as of 2026-08-19)
March 1, 2022	MATX	S	300	$111.81	$33,543	53,370 Direct	-0.56%	Disposed	97.9% (price as of 2026-08-19)
March 1, 2022	MATX	S	1,999	$110.95	$221,789	51,371 Direct	-3.75%	Disposed	99.5% (price as of 2026-08-19)
March 1, 2022	MATX	S	4,523	$109.12	$493,550	46,848 Direct	-8.80%	Disposed	102.8% (price as of 2026-08-19)
March 1, 2022	MATX	S	5,308	$110.16	$584,729	41,540 Direct	-11.33%	Disposed	100.9% (price as of 2026-08-19)
Jan. 27, 2022	MATX	F	896	$93.49	$83,767	53,670 Direct	-1.64%	Disposed	136.7% (price as of 2026-08-19)
Jan. 26, 2022	MATX	A	18,737	—	—	60,159 Direct	+45.23%	Acquired	(price as of 2026-08-19)
Jan. 26, 2022	MATX	A	3,696	—	—	63,855 Direct	+6.14%	Acquired	(price as of 2026-08-19)
Jan. 26, 2022	MATX	F	9,289	$94.71	$879,761	54,566 Direct	-14.55%	Disposed	133.7% (price as of 2026-08-19)
Jan. 23, 2022	MATX	F	1,238	$91.02	$112,683	41,422 Direct	-2.90%	Disposed	143.1% (price as of 2026-08-19)
Jan. 22, 2022	MATX	F	1,545	$91.02	$140,626	42,660 Direct	-3.50%	Disposed	143.1% (price as of 2026-08-19)
Nov. 16, 2021	MATX	S	7,052	$90.32	$636,937	44,205 Direct	-13.76%	Disposed	145.0% (price as of 2026-08-19)
March 1, 2021	MATX	S	5,038	$73.31	$369,336	51,257 Direct	-8.95%	Disposed	201.9% (price as of 2026-08-19)
Jan. 27, 2021	MATX	A	19,982	—	—	60,779 Direct	+48.98%	Acquired	(price as of 2026-08-19)
Jan. 27, 2021	MATX	A	5,423	—	—	66,202 Direct	+8.92%	Acquired	(price as of 2026-08-19)
Jan. 27, 2021	MATX	F	9,907	$64.54	$639,398	56,295 Direct	-14.96%	Disposed	242.9% (price as of 2026-08-19)
Jan. 24, 2021	MATX	F	1,320	$67.59	$89,219	40,797 Direct	-3.13%	Disposed	227.4% (price as of 2026-08-19)
Jan. 23, 2021	MATX	F	1,239	$67.59	$83,744	42,117 Direct	-2.86%	Disposed	227.4% (price as of 2026-08-19)
Jan. 22, 2021	MATX	F	1,566	$67.59	$105,846	43,356 Direct	-3.49%	Disposed	227.4% (price as of 2026-08-19)
Nov. 5, 2020	MATX	S	5,394	$55.20	$297,749	44,922 Direct	-10.72%	Disposed	300.9% (price as of 2026-08-19)
April 28, 2020	MATX	A	2,125	—	—	51,629 Direct	+4.29%	Acquired	(price as of 2026-08-19)
April 28, 2020	MATX	F	260	$30.85	$8,021	51,369 Direct	-0.50%	Disposed	617.4% (price as of 2026-08-19)
April 28, 2020	MATX	F	1,053	$30.85	$32,485	50,316 Direct	-2.05%	Disposed	617.4% (price as of 2026-08-19)
Jan. 25, 2020	MATX	A	7,298	—	—	54,017 Direct	+15.62%	Acquired	(price as of 2026-08-19)
Jan. 25, 2020	MATX	F	895	$39.20	$35,084	53,122 Direct	-1.66%	Disposed	464.6% (price as of 2026-08-19)
Jan. 25, 2020	MATX	F	3,618	$39.20	$141,826	49,504 Direct	-6.81%	Disposed	464.6% (price as of 2026-08-19)
Jan. 24, 2020	MATX	F	1,307	$39.20	$51,234	46,719 Direct	-2.72%	Disposed	464.6% (price as of 2026-08-19)
Jan. 23, 2020	MATX	F	1,391	$39.41	$54,819	48,026 Direct	-2.81%	Disposed	461.6% (price as of 2026-08-19)
Jan. 22, 2020	MATX	A	8,900	—	—	49,417 Direct	+21.97%	Acquired	(price as of 2026-08-19)
Nov. 12, 2019	MATX	S	4,460	$39.33	$175,412	40,517 Direct	-9.92%	Disposed	462.7% (price as of 2026-08-19)
April 28, 2019	MATX	F	260	$37.85	$9,841	44,977 Direct	-0.57%	Disposed	484.7% (price as of 2026-08-19)
Jan. 27, 2019	MATX	A	1,324	—	—	47,863 Direct	+2.84%	Acquired	(price as of 2026-08-19)
Jan. 27, 2019	MATX	F	656	$33.37	$21,891	47,207 Direct	-1.37%	Disposed	563.2% (price as of 2026-08-19)
Jan. 27, 2019	MATX	F	878	$33.37	$29,299	46,329 Direct	-1.86%	Disposed	563.2% (price as of 2026-08-19)
Jan. 27, 2019	MATX	F	1,092	$33.37	$36,440	45,237 Direct	-2.36%	Disposed	563.2% (price as of 2026-08-19)
Jan. 25, 2019	MATX	F	903	$33.37	$30,133	46,539 Direct	-1.90%	Disposed	563.2% (price as of 2026-08-19)
Jan. 24, 2019	MATX	F	1,488	$33.39	$49,684	47,442 Direct	-3.04%	Disposed	562.8% (price as of 2026-08-19)
Jan. 23, 2019	MATX	A	7,495	—	—	48,930 Direct	+18.09%	Acquired	(price as of 2026-08-19)
Dec. 3, 2018	MATX	S	2,750	$39.74	$109,285	41,435 Direct	-6.22%	Disposed	456.9% (price as of 2026-08-19)
April 28, 2018	MATX	F	260	$29.27	$7,610	44,185 Direct	-0.58%	Disposed	656.1% (price as of 2026-08-19)
Jan. 28, 2018	MATX	A	8,438	—	—	49,539 Direct	+20.53%	Acquired	(price as of 2026-08-19)
Jan. 28, 2018	MATX	F	911	$31.20	$28,423	48,628 Direct	-1.84%	Disposed	609.3% (price as of 2026-08-19)
Jan. 28, 2018	MATX	F	4,183	$31.20	$130,510	44,445 Direct	-8.60%	Disposed	609.3% (price as of 2026-08-19)
Jan. 27, 2018	MATX	F	2,037	$31.20	$63,554	41,101 Direct	-4.72%	Disposed	609.3% (price as of 2026-08-19)
Jan. 25, 2018	MATX	F	1,009	$31.06	$31,340	43,138 Direct	-2.29%	Disposed	612.5% (price as of 2026-08-19)
Jan. 24, 2018	MATX	A	7,993	—	—	44,147 Direct	+22.11%	Acquired	(price as of 2026-08-19)
April 28, 2017	MATX	A	1,578	—	—	36,154 Direct	+4.56%	Acquired	(price as of 2026-08-19)
Feb. 26, 2017	MATX	F	525	$33.38	$17,524	34,576 Direct	-1.50%	Disposed	563.0% (price as of 2026-08-19)
Jan. 29, 2017	MATX	F	2,551	$36.75	$93,749	35,101 Direct	-6.78%	Disposed	502.2% (price as of 2026-08-19)
Jan. 29, 2017	MATX	F	637	$36.75	$23,410	37,652 Direct	-1.66%	Disposed	502.2% (price as of 2026-08-19)
Jan. 29, 2017	MATX	A	6,790	—	—	38,289 Direct	+21.56%	Acquired	(price as of 2026-08-19)
Jan. 28, 2017	MATX	F	684	$36.75	$25,137	31,499 Direct	-2.13%	Disposed	502.2% (price as of 2026-08-19)
Jan. 27, 2017	MATX	F	1,650	$36.75	$60,638	32,183 Direct	-4.88%	Disposed	502.2% (price as of 2026-08-19)
Jan. 25, 2017	MATX	A	5,418	—	—	33,833 Direct	+19.07%	Acquired	(price as of 2026-08-19)
Dec. 5, 2016	MATX	S	3,218	$37.73	$121,415	28,415 Direct	-10.17%	Disposed	486.6% (price as of 2026-08-19)
Feb. 26, 2016	MATX	F	525	$39.87	$20,932	31,633 Direct	-1.63%	Disposed	455.1% (price as of 2026-08-19)
Jan. 29, 2016	MATX	F	637	$40.41	$25,741	32,158 Direct	-1.94%	Disposed	447.7% (price as of 2026-08-19)
Jan. 28, 2016	MATX	F	691	$37.29	$25,767	32,795 Direct	-2.06%	Disposed	493.5% (price as of 2026-08-19)
Jan. 27, 2016	MATX	F	1,714	$37.64	$64,515	33,486 Direct	-4.87%	Disposed	488.0% (price as of 2026-08-19)
Jan. 27, 2016	MATX	A	4,464	—	—	35,200 Direct	+14.52%	Acquired	(price as of 2026-08-19)
Jan. 27, 2016	MATX	A	11,956	—	—	30,736 Direct	+63.66%	Acquired	(price as of 2026-08-19)
Jan. 23, 2016	MATX	F	650	$37.68	$24,492	18,780 Direct	-3.35%	Disposed	487.4% (price as of 2026-08-19)
July 2, 2015	MATX	F	675	$42.33	$28,573	19,430 Direct	-3.36%	Disposed	422.8% (price as of 2026-08-19)

Showing latest 100 of 106 transactions

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
March 5, 2014	MATX	Common Stock	17,274	Direct