Mark J Hart

Insider

First SEC filing: Jan. 7, 2016 · Latest: April 24, 2026

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.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

PH selling Aug. 14, 2026

Insider transactions

0 buys (P) 2 sells (S) Net: $-5,468,901 + 62 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

62 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 14, 2026	PH	S	2,497	$1057.00	$2,639,329	7,063 Direct	-26.12%	Disposed	-1.7% (price as of 2026-08-19)
April 22, 2026	PH	F	1,970	$954.43	$1,880,227	9,560 Direct	-17.09%	Disposed	8.9% (price as of 2026-08-19)
April 22, 2026	PH	A	4,467	—	—	11,530 Direct	+63.25%	Acquired	(price as of 2026-08-19)
Feb. 12, 2026	PH	M	6,740	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Feb. 12, 2026	PH	S	2,804	$1009.12	$2,829,572	7,063 Direct	-28.42%	Disposed	3.0% (price as of 2026-08-19)
Feb. 12, 2026	PH	F	3,936	$1005.31	$3,956,900	9,867 Direct	-28.52%	Disposed	3.3% (price as of 2026-08-19)
Feb. 12, 2026	PH	M	6,740	$296.00	$1,995,040	13,803 Direct	+95.43%	Acquired	251.0% (price as of 2026-08-19)
Aug. 20, 2025	PH	A	4,444	—	—	4,444 Direct	—	Acquired	(price as of 2026-08-19)
Aug. 8, 2025	PH	S	2,257	$730.22	$1,648,107	7,063 Direct	-24.22%	Disposed	42.3% (price as of 2026-08-19)
April 23, 2025	PH	F	1,837	$580.81	$1,066,948	9,320 Direct	-16.46%	Disposed	78.9% (price as of 2026-08-19)
April 23, 2025	PH	A	4,094	—	—	11,157 Direct	+57.96%	Acquired	(price as of 2026-08-19)
Nov. 6, 2024	PH	M	10,220	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Nov. 6, 2024	PH	S	2,302	$705.99	$1,625,189	7,063 Direct	-24.58%	Disposed	47.2% (price as of 2026-08-19)
Nov. 6, 2024	PH	S	1,655	$704.58	$1,166,080	9,365 Direct	-15.02%	Disposed	47.5% (price as of 2026-08-19)
Nov. 6, 2024	PH	F	6,263	$703.76	$4,407,649	11,020 Direct	-36.24%	Disposed	47.6% (price as of 2026-08-19)
Nov. 6, 2024	PH	M	10,220	$209.56	$2,141,703	17,283 Direct	+144.70%	Acquired	395.8% (price as of 2026-08-19)
Aug. 14, 2024	PH	A	4,870	—	—	4,870 Direct	—	Acquired	(price as of 2026-08-19)
Aug. 9, 2024	PH	S	2,058	$566.23	$1,165,301	7,063 Direct	-22.56%	Disposed	83.5% (price as of 2026-08-19)
April 24, 2024	PH	F	1,674	$546.35	$914,590	9,121 Direct	-15.51%	Disposed	90.2% (price as of 2026-08-19)
April 24, 2024	PH	A	3,732	—	—	10,795 Direct	+52.84%	Acquired	(price as of 2026-08-19)
Feb. 2, 2024	PH	M	13,020	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Feb. 2, 2024	PH	S	5,197	$502.94	$2,613,779	7,063 Direct	-42.39%	Disposed	106.6% (price as of 2026-08-19)
Feb. 2, 2024	PH	F	7,823	$502.51	$3,931,136	12,260 Direct	-38.95%	Disposed	106.8% (price as of 2026-08-19)
Feb. 2, 2024	PH	M	13,020	$158.90	$2,068,878	20,083 Direct	+184.34%	Acquired	553.9% (price as of 2026-08-19)
Aug. 16, 2023	PH	A	6,850	—	—	6,850 Direct	—	Acquired	(price as of 2026-08-19)
Aug. 4, 2023	PH	S	3,906	$417.60	$1,631,146	7,063 Direct	-35.61%	Disposed	148.8% (price as of 2026-08-19)
June 12, 2023	PH	D	4,310	$357.04	$1,538,842	10,969 Direct	-28.21%	Disposed	191.0% (price as of 2026-08-19)
April 27, 2023	PH	F	2,876	$311.65	$896,305	15,279 Direct	-15.84%	Disposed	233.4% (price as of 2026-08-19)
April 27, 2023	PH	A	7,186	—	—	18,155 Direct	+65.51%	Acquired	(price as of 2026-08-19)
Feb. 3, 2023	PH	S	5,950	$343.05	$2,041,148	10,969 Direct	-35.17%	Disposed	202.9% (price as of 2026-08-19)
Aug. 17, 2022	PH	A	7,850	—	—	7,850 Direct	—	Acquired	(price as of 2026-08-19)
April 27, 2022	PH	F	3,125	$271.38	$848,062	16,919 Direct	-15.59%	Disposed	282.9% (price as of 2026-08-19)
April 27, 2022	PH	A	7,711	—	—	20,044 Direct	+62.52%	Acquired	(price as of 2026-08-19)
Nov. 19, 2021	PH	M	9,740	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Nov. 19, 2021	PH	S	2,616	$333.40	$872,174	12,333 Direct	-17.50%	Disposed	211.6% (price as of 2026-08-19)
Nov. 19, 2021	PH	F	7,124	$333.38	$2,374,999	14,949 Direct	-32.27%	Disposed	211.7% (price as of 2026-08-19)
Nov. 19, 2021	PH	M	9,740	$166.49	$1,621,613	22,073 Direct	+78.98%	Acquired	524.0% (price as of 2026-08-19)
Nov. 8, 2021	PH	S	4,023	$331.84	$1,334,992	12,333 Direct	-24.60%	Disposed	213.1% (price as of 2026-08-19)
Aug. 11, 2021	PH	A	6,740	—	—	6,740 Direct	—	Acquired	(price as of 2026-08-19)
May 7, 2021	PH	M	12,500	—	—	0 Direct	—	Acquired	(price as of 2026-08-19)
May 7, 2021	PH	S	4,229	$319.59	$1,351,546	16,356 Direct	-20.54%	Disposed	225.1% (price as of 2026-08-19)
May 7, 2021	PH	S	3,382	$320.41	$1,083,627	20,585 Direct	-14.11%	Disposed	224.3% (price as of 2026-08-19)
May 7, 2021	PH	F	9,118	$320.37	$2,921,134	23,967 Direct	-27.56%	Disposed	224.3% (price as of 2026-08-19)
May 7, 2021	PH	M	12,500	—	—	33,085 Direct	+60.72%	Acquired	(price as of 2026-08-19)
April 22, 2021	PH	F	2,950	$317.60	$936,920	20,585 Direct	-12.53%	Disposed	227.1% (price as of 2026-08-19)
April 22, 2021	PH	A	7,179	—	—	23,535 Direct	+43.89%	Acquired	(price as of 2026-08-19)
Nov. 9, 2020	PH	M	14,070	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Nov. 9, 2020	PH	S	3,849	$254.44	$979,340	16,356 Direct	-19.05%	Disposed	308.3% (price as of 2026-08-19)
Nov. 9, 2020	PH	F	10,221	$253.76	$2,593,681	20,205 Direct	-33.59%	Disposed	309.4% (price as of 2026-08-19)
Nov. 9, 2020	PH	M	14,070	$124.36	$1,749,745	30,426 Direct	+86.02%	Acquired	735.5% (price as of 2026-08-19)
Sept. 16, 2020	PH	M	2,800	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Sept. 16, 2020	PH	M	2,920	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Sept. 16, 2020	PH	S	1,459	$216.16	$315,377	16,356 Direct	-8.19%	Disposed	380.7% (price as of 2026-08-19)
Sept. 16, 2020	PH	F	4,261	$216.16	$921,058	17,815 Direct	-19.30%	Disposed	380.7% (price as of 2026-08-19)
Sept. 16, 2020	PH	M	2,800	$113.23	$317,044	22,076 Direct	+14.53%	Acquired	817.6% (price as of 2026-08-19)
Sept. 16, 2020	PH	M	2,920	$113.19	$330,515	19,276 Direct	+17.85%	Acquired	817.9% (price as of 2026-08-19)
Aug. 12, 2020	PH	A	10,220	—	—	10,220 Direct	—	Acquired	(price as of 2026-08-19)
April 27, 2020	PH	F	3,112	$134.95	$419,964	16,356 Direct	-15.99%	Disposed	669.9% (price as of 2026-08-19)
April 27, 2020	PH	A	8,619	—	—	19,468 Direct	+79.45%	Acquired	(price as of 2026-08-19)
Nov. 1, 2019	PH	M	3,870	—	—	3,870 Direct	-50.00%	Disposed	(price as of 2026-08-19)
Nov. 1, 2019	PH	S	917	$190.31	$174,514	10,849 Direct	-7.79%	Disposed	445.9% (price as of 2026-08-19)
Nov. 1, 2019	PH	F	2,953	$190.26	$561,838	11,766 Direct	-20.06%	Disposed	446.1% (price as of 2026-08-19)
Nov. 1, 2019	PH	M	3,870	$106.18	$410,917	14,719 Direct	+35.67%	Acquired	878.5% (price as of 2026-08-19)
Sept. 12, 2019	PH	S	2,250	$183.35	$412,538	10,849 Direct	-17.18%	Disposed	466.7% (price as of 2026-08-19)
Aug. 14, 2019	PH	A	13,020	—	—	13,020 Direct	—	Acquired	(price as of 2026-08-19)
April 26, 2019	PH	F	3,382	$182.02	$615,592	13,099 Direct	-20.52%	Disposed	470.8% (price as of 2026-08-19)
April 26, 2019	PH	A	8,937	—	—	16,481 Direct	+118.47%	Acquired	(price as of 2026-08-19)
Aug. 15, 2018	PH	A	9,740	—	—	9,740 Direct	—	Acquired	(price as of 2026-08-19)
April 20, 2018	PH	F	1,863	$176.18	$328,223	7,544 Direct	-19.80%	Disposed	489.7% (price as of 2026-08-19)
April 20, 2018	PH	A	5,886	—	—	9,407 Direct	+167.17%	Acquired	(price as of 2026-08-19)
Aug. 31, 2017	PH	S	600	$160.72	$96,432	3,521 Direct	-14.56%	Disposed	546.5% (price as of 2026-08-19)
Aug. 31, 2017	PH	M	2,330	—	—	2,330 Direct	-50.00%	Disposed	(price as of 2026-08-19)
Aug. 31, 2017	PH	S	600	$160.72	$96,432	35,521 Direct	-1.66%	Disposed	546.5% (price as of 2026-08-19)
Aug. 31, 2017	PH	F	1,730	$160.76	$278,115	4,121 Direct	-29.57%	Disposed	546.3% (price as of 2026-08-19)
Aug. 31, 2017	PH	M	2,330	$81.86	$190,734	5,851 Direct	+66.17%	Acquired	1169.2% (price as of 2026-08-19)
Aug. 16, 2017	PH	A	12,500	—	—	12,500 Direct	—	Acquired	(price as of 2026-08-19)
April 21, 2017	PH	F	965	$157.07	$151,573	3,521 Direct	-21.51%	Disposed	561.5% (price as of 2026-08-19)
April 21, 2017	PH	A	2,930	—	—	4,486 Direct	+188.30%	Acquired	(price as of 2026-08-19)
Aug. 17, 2016	PH	A	14,070	—	—	14,070 Direct	—	Acquired	(price as of 2026-08-19)
April 22, 2016	PH	F	296	$113.90	$33,714	1,556 Direct	-15.98%	Disposed	812.2% (price as of 2026-08-19)
April 22, 2016	PH	A	901	—	—	1,852 Direct	+94.74%	Acquired	(price as of 2026-08-19)

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
Feb. 12, 2026	PH	Stock Appreciation Rights	Common Stock (6,740)	$296.00	Aug. 10, 2031	6,740	Disposed
Aug. 20, 2025	PH	Stock Appreciation Rights	Common Stock (4,444)	$742.97	Aug. 19, 2035	4,444	Acquired
Nov. 6, 2024	PH	Stock Appreciation Rights	Common Stock (10,220)	$209.56	Aug. 11, 2030	10,220	Disposed
Aug. 14, 2024	PH	Stock Appreciation Rights	Common Stock (4,870)	$578.39	Aug. 13, 2034	4,870	Acquired
Feb. 2, 2024	PH	Stock Appreciation Rights	Common Stock (13,020)	$158.90	Aug. 13, 2029	13,020	Disposed
Aug. 16, 2023	PH	Stock Appreciation Rights	Common Stock (6,850)	$406.32	Aug. 15, 2033	6,850	Acquired
Aug. 17, 2022	PH	Stock Appreciation Rights	Common Stock (7,850)	$299.19	Aug. 16, 2032	7,850	Acquired
Nov. 19, 2021	PH	Stock Appreciation Rights	Common Stock (9,740)	$166.49	Aug. 14, 2028	9,740	Disposed
Aug. 11, 2021	PH	Stock Appreciation Rights	Common Stock (6,740)	$296.00	Aug. 10, 2031	6,740	Acquired
May 7, 2021	PH	Stock Appreciation Right	Common Stock (12,500)	$158.79	Aug. 15, 2027	12,500	Acquired
Nov. 9, 2020	PH	Stock Appreciation Right	Common Stock (14,070)	$124.36	Aug. 16, 2026	14,070	Disposed
Sept. 16, 2020	PH	Stock appreciation Right	Common Stock (2,800)	$113.23	Aug. 11, 2025	2,800	Disposed
Sept. 16, 2020	PH	Stock Appreciation Right	Common Stock (2,920)	$113.19	Aug. 12, 2024	2,920	Disposed
Aug. 12, 2020	PH	Stock Appreciation Right	Common Stock (10,220)	$209.56	Aug. 11, 2030	10,220	Acquired
Nov. 1, 2019	PH	Stock Appreciation Right	Common Stock (3,870)	$106.18	Aug. 13, 2023	3,870	Disposed
Aug. 14, 2019	PH	Stock Appreciation Right	Common Stock (13,020)	$158.90	Aug. 13, 2029	13,020	Acquired
Aug. 15, 2018	PH	Stock Appreciation Right	Common Stock (9,740)	$166.49	Aug. 15, 2028	9,740	Acquired
Aug. 31, 2017	PH	Stock Appreciation Right	Common Stock (2,330)	$81.86	Aug. 14, 2022	2,330	Disposed
Aug. 16, 2017	PH	Stock Appreciation Right	Common Stock (12,500)	$158.79	Aug. 15, 2027	12,500	Acquired
Aug. 17, 2016	PH	Stock Appreciation Right	Common Stock (14,070)	$124.36	Aug. 16, 2026	14,070	Acquired

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

Initial ownership (Form 3) 7 holdings

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

Date	Ticker	Security	Shares	Ownership
Jan. 7, 2016	PH	Common Stock	951	Direct
Jan. 7, 2016	PH	Common Stock	180	Indirect
Jan. 7, 2016	PH	Phantom Stock→ Common Stock (115)	115	Indirect
Jan. 7, 2016	PH	Stock Appreciation Right→ Common Stock (2,330)	2,330	Direct
Jan. 7, 2016	PH	Stock Appreciation Right→ Common Stock (3,870)	3,870	Direct
Jan. 7, 2016	PH	Stock Appreciation Right→ Common Stock (2,920)	2,920	Direct
Jan. 7, 2016	PH	Stock Appreciation Right→ Common Stock (2,800)	2,800	Direct