Mark J Hart
Insider
First SEC filing: Jan. 7, 2016 · Latest: April 24, 2026
Insider at
Insider transactions
0 buys (P)
2 sells (S)
Net: $-5,468,901
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 19, 2026 | PH | A | 3,241 | · | · | 3,241 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 14, 2026 | PH | S | 2,497 | $1057.00 | $2,639,329 | 7,063 Direct | -26.12% | Disposed | -8.0% (price as of 2026-10-02) |
| April 22, 2026 | PH | F | 1,970 | $954.43 | $1,880,227 | 9,560 Direct | -17.09% | Disposed | 1.9% (price as of 2026-10-02) |
| April 22, 2026 | PH | A | 4,467 | · | · | 11,530 Direct | +63.25% | Acquired | (price as of 2026-10-02) |
| Feb. 12, 2026 | PH | M | 6,740 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 12, 2026 | PH | S | 2,804 | $1009.12 | $2,829,572 | 7,063 Direct | -28.42% | Disposed | -3.6% (price as of 2026-10-02) |
| Feb. 12, 2026 | PH | F | 3,936 | $1005.31 | $3,956,900 | 9,867 Direct | -28.52% | Disposed | -3.3% (price as of 2026-10-02) |
| Feb. 12, 2026 | PH | M | 6,740 | $296.00 | $1,995,040 | 13,803 Direct | +95.43% | Acquired | 228.6% (price as of 2026-10-02) |
| Aug. 20, 2025 | PH | A | 4,444 | · | · | 4,444 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 8, 2025 | PH | S | 2,257 | $730.22 | $1,648,107 | 7,063 Direct | -24.22% | Disposed | 33.2% (price as of 2026-10-02) |
| April 23, 2025 | PH | F | 1,837 | $580.81 | $1,066,948 | 9,320 Direct | -16.46% | Disposed | 67.4% (price as of 2026-10-02) |
| April 23, 2025 | PH | A | 4,094 | · | · | 11,157 Direct | +57.96% | Acquired | (price as of 2026-10-02) |
| Nov. 6, 2024 | PH | M | 10,220 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 6, 2024 | PH | S | 2,302 | $705.99 | $1,625,189 | 7,063 Direct | -24.58% | Disposed | 37.8% (price as of 2026-10-02) |
| Nov. 6, 2024 | PH | S | 1,655 | $704.58 | $1,166,080 | 9,365 Direct | -15.02% | Disposed | 38.0% (price as of 2026-10-02) |
| Nov. 6, 2024 | PH | F | 6,263 | $703.76 | $4,407,649 | 11,020 Direct | -36.24% | Disposed | 38.2% (price as of 2026-10-02) |
| Nov. 6, 2024 | PH | M | 10,220 | $209.56 | $2,141,703 | 17,283 Direct | +144.70% | Acquired | 364.1% (price as of 2026-10-02) |
| Aug. 14, 2024 | PH | A | 4,870 | · | · | 4,870 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 9, 2024 | PH | S | 2,058 | $566.23 | $1,165,301 | 7,063 Direct | -22.56% | Disposed | 71.8% (price as of 2026-10-02) |
| April 24, 2024 | PH | F | 1,674 | $546.35 | $914,590 | 9,121 Direct | -15.51% | Disposed | 78.0% (price as of 2026-10-02) |
| April 24, 2024 | PH | A | 3,732 | · | · | 10,795 Direct | +52.84% | Acquired | (price as of 2026-10-02) |
| Feb. 2, 2024 | PH | M | 13,020 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 2, 2024 | PH | S | 5,197 | $502.94 | $2,613,779 | 7,063 Direct | -42.39% | Disposed | 93.4% (price as of 2026-10-02) |
| Feb. 2, 2024 | PH | F | 7,823 | $502.51 | $3,931,136 | 12,260 Direct | -38.95% | Disposed | 93.5% (price as of 2026-10-02) |
| Feb. 2, 2024 | PH | M | 13,020 | $158.90 | $2,068,878 | 20,083 Direct | +184.34% | Acquired | 512.1% (price as of 2026-10-02) |
| Aug. 16, 2023 | PH | A | 6,850 | · | · | 6,850 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 4, 2023 | PH | S | 3,906 | $417.60 | $1,631,146 | 7,063 Direct | -35.61% | Disposed | 132.9% (price as of 2026-10-02) |
| June 12, 2023 | PH | D | 4,310 | $357.04 | $1,538,842 | 10,969 Direct | -28.21% | Disposed | 172.4% (price as of 2026-10-02) |
| April 27, 2023 | PH | F | 2,876 | $311.65 | $896,305 | 15,279 Direct | -15.84% | Disposed | 212.1% (price as of 2026-10-02) |
| April 27, 2023 | PH | A | 7,186 | · | · | 18,155 Direct | +65.51% | Acquired | (price as of 2026-10-02) |
| Feb. 3, 2023 | PH | S | 5,950 | $343.05 | $2,041,148 | 10,969 Direct | -35.17% | Disposed | 183.5% (price as of 2026-10-02) |
| Aug. 17, 2022 | PH | A | 7,850 | · | · | 7,850 Direct | · | Acquired | (price as of 2026-10-02) |
| April 27, 2022 | PH | F | 3,125 | $271.38 | $848,062 | 16,919 Direct | -15.59% | Disposed | 258.4% (price as of 2026-10-02) |
| April 27, 2022 | PH | A | 7,711 | · | · | 20,044 Direct | +62.52% | Acquired | (price as of 2026-10-02) |
| Nov. 19, 2021 | PH | M | 9,740 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 19, 2021 | PH | S | 2,616 | $333.40 | $872,174 | 12,333 Direct | -17.50% | Disposed | 191.7% (price as of 2026-10-02) |
| Nov. 19, 2021 | PH | F | 7,124 | $333.38 | $2,374,999 | 14,949 Direct | -32.27% | Disposed | 191.7% (price as of 2026-10-02) |
| Nov. 19, 2021 | PH | M | 9,740 | $166.49 | $1,621,613 | 22,073 Direct | +78.98% | Acquired | 484.1% (price as of 2026-10-02) |
| Nov. 8, 2021 | PH | S | 4,023 | $331.84 | $1,334,992 | 12,333 Direct | -24.60% | Disposed | 193.1% (price as of 2026-10-02) |
| Aug. 11, 2021 | PH | A | 6,740 | · | · | 6,740 Direct | · | Acquired | (price as of 2026-10-02) |
| May 7, 2021 | PH | M | 12,500 | · | · | 0 Direct | · | Acquired | (price as of 2026-10-02) |
| May 7, 2021 | PH | S | 4,229 | $319.59 | $1,351,546 | 16,356 Direct | -20.54% | Disposed | 204.3% (price as of 2026-10-02) |
| May 7, 2021 | PH | S | 3,382 | $320.41 | $1,083,627 | 20,585 Direct | -14.11% | Disposed | 203.5% (price as of 2026-10-02) |
| May 7, 2021 | PH | F | 9,118 | $320.37 | $2,921,134 | 23,967 Direct | -27.56% | Disposed | 203.6% (price as of 2026-10-02) |
| May 7, 2021 | PH | M | 12,500 | · | · | 33,085 Direct | +60.72% | Acquired | (price as of 2026-10-02) |
| April 22, 2021 | PH | F | 2,950 | $317.60 | $936,920 | 20,585 Direct | -12.53% | Disposed | 206.2% (price as of 2026-10-02) |
| April 22, 2021 | PH | A | 7,179 | · | · | 23,535 Direct | +43.89% | Acquired | (price as of 2026-10-02) |
| Nov. 9, 2020 | PH | M | 14,070 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 9, 2020 | PH | S | 3,849 | $254.44 | $979,340 | 16,356 Direct | -19.05% | Disposed | 282.2% (price as of 2026-10-02) |
| Nov. 9, 2020 | PH | F | 10,221 | $253.76 | $2,593,681 | 20,205 Direct | -33.59% | Disposed | 283.3% (price as of 2026-10-02) |
| Nov. 9, 2020 | PH | M | 14,070 | $124.36 | $1,749,745 | 30,426 Direct | +86.02% | Acquired | 682.0% (price as of 2026-10-02) |
| Sept. 16, 2020 | PH | M | 2,800 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 16, 2020 | PH | M | 2,920 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 16, 2020 | PH | S | 1,459 | $216.16 | $315,377 | 16,356 Direct | -8.19% | Disposed | 349.9% (price as of 2026-10-02) |
| Sept. 16, 2020 | PH | F | 4,261 | $216.16 | $921,058 | 17,815 Direct | -19.30% | Disposed | 349.9% (price as of 2026-10-02) |
| Sept. 16, 2020 | PH | M | 2,800 | $113.23 | $317,044 | 22,076 Direct | +14.53% | Acquired | 758.9% (price as of 2026-10-02) |
| Sept. 16, 2020 | PH | M | 2,920 | $113.19 | $330,515 | 19,276 Direct | +17.85% | Acquired | 759.2% (price as of 2026-10-02) |
| Aug. 12, 2020 | PH | A | 10,220 | · | · | 10,220 Direct | · | Acquired | (price as of 2026-10-02) |
| April 27, 2020 | PH | F | 3,112 | $134.95 | $419,964 | 16,356 Direct | -15.99% | Disposed | 620.7% (price as of 2026-10-02) |
| April 27, 2020 | PH | A | 8,619 | · | · | 19,468 Direct | +79.45% | Acquired | (price as of 2026-10-02) |
| Nov. 1, 2019 | PH | M | 3,870 | · | · | 3,870 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Nov. 1, 2019 | PH | S | 917 | $190.31 | $174,514 | 10,849 Direct | -7.79% | Disposed | 411.0% (price as of 2026-10-02) |
| Nov. 1, 2019 | PH | F | 2,953 | $190.26 | $561,838 | 11,766 Direct | -20.06% | Disposed | 411.2% (price as of 2026-10-02) |
| Nov. 1, 2019 | PH | M | 3,870 | $106.18 | $410,917 | 14,719 Direct | +35.67% | Acquired | 815.9% (price as of 2026-10-02) |
| Sept. 12, 2019 | PH | S | 2,250 | $183.35 | $412,538 | 10,849 Direct | -17.18% | Disposed | 430.4% (price as of 2026-10-02) |
| Aug. 14, 2019 | PH | A | 13,020 | · | · | 13,020 Direct | · | Acquired | (price as of 2026-10-02) |
| April 26, 2019 | PH | F | 3,382 | $182.02 | $615,592 | 13,099 Direct | -20.52% | Disposed | 434.3% (price as of 2026-10-02) |
| April 26, 2019 | PH | A | 8,937 | · | · | 16,481 Direct | +118.47% | Acquired | (price as of 2026-10-02) |
| Aug. 15, 2018 | PH | A | 9,740 | · | · | 9,740 Direct | · | Acquired | (price as of 2026-10-02) |
| April 20, 2018 | PH | F | 1,863 | $176.18 | $328,223 | 7,544 Direct | -19.80% | Disposed | 452.0% (price as of 2026-10-02) |
| April 20, 2018 | PH | A | 5,886 | · | · | 9,407 Direct | +167.17% | Acquired | (price as of 2026-10-02) |
| Aug. 31, 2017 | PH | S | 600 | $160.72 | $96,432 | 3,521 Direct | -14.56% | Disposed | 505.1% (price as of 2026-10-02) |
| Aug. 31, 2017 | PH | M | 2,330 | · | · | 2,330 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Aug. 31, 2017 | PH | S | 600 | $160.72 | $96,432 | 35,521 Direct | -1.66% | Disposed | 505.1% (price as of 2026-10-02) |
| Aug. 31, 2017 | PH | F | 1,730 | $160.76 | $278,115 | 4,121 Direct | -29.57% | Disposed | 505.0% (price as of 2026-10-02) |
| Aug. 31, 2017 | PH | M | 2,330 | $81.86 | $190,734 | 5,851 Direct | +66.17% | Acquired | 1088.1% (price as of 2026-10-02) |
| Aug. 16, 2017 | PH | A | 12,500 | · | · | 12,500 Direct | · | Acquired | (price as of 2026-10-02) |
| April 21, 2017 | PH | F | 965 | $157.07 | $151,573 | 3,521 Direct | -21.51% | Disposed | 519.2% (price as of 2026-10-02) |
| April 21, 2017 | PH | A | 2,930 | · | · | 4,486 Direct | +188.30% | Acquired | (price as of 2026-10-02) |
| Aug. 17, 2016 | PH | A | 14,070 | · | · | 14,070 Direct | · | Acquired | (price as of 2026-10-02) |
| April 22, 2016 | PH | F | 296 | $113.90 | $33,714 | 1,556 Direct | -15.98% | Disposed | 753.9% (price as of 2026-10-02) |
| April 22, 2016 | PH | A | 901 | · | · | 1,852 Direct | +94.74% | Acquired | (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| Aug. 19, 2026 | PH | Stock Appreciation Rights | Common Stock | $1023.25 | Aug. 18, 2036 | 3,241 | Acquired |
| Feb. 12, 2026 | PH | Stock Appreciation Rights | Common Stock | $296.00 | Aug. 10, 2031 | 6,740 | Disposed |
| Aug. 20, 2025 | PH | Stock Appreciation Rights | Common Stock | $742.97 | Aug. 19, 2035 | 4,444 | Acquired |
| Nov. 6, 2024 | PH | Stock Appreciation Rights | Common Stock | $209.56 | Aug. 11, 2030 | 10,220 | Disposed |
| Aug. 14, 2024 | PH | Stock Appreciation Rights | Common Stock | $578.39 | Aug. 13, 2034 | 4,870 | Acquired |
| Feb. 2, 2024 | PH | Stock Appreciation Rights | Common Stock | $158.90 | Aug. 13, 2029 | 13,020 | Disposed |
| Aug. 16, 2023 | PH | Stock Appreciation Rights | Common Stock | $406.32 | Aug. 15, 2033 | 6,850 | Acquired |
| Aug. 17, 2022 | PH | Stock Appreciation Rights | Common Stock | $299.19 | Aug. 16, 2032 | 7,850 | Acquired |
| Nov. 19, 2021 | PH | Stock Appreciation Rights | Common Stock | $166.49 | Aug. 14, 2028 | 9,740 | Disposed |
| Aug. 11, 2021 | PH | Stock Appreciation Rights | Common Stock | $296.00 | Aug. 10, 2031 | 6,740 | Acquired |
| May 7, 2021 | PH | Stock Appreciation Right | Common Stock | $158.79 | Aug. 15, 2027 | 12,500 | Acquired |
| Nov. 9, 2020 | PH | Stock Appreciation Right | Common Stock | $124.36 | Aug. 16, 2026 | 14,070 | Disposed |
| Sept. 16, 2020 | PH | Stock appreciation Right | Common Stock | $113.23 | Aug. 11, 2025 | 2,800 | Disposed |
| Sept. 16, 2020 | PH | Stock Appreciation Right | Common Stock | $113.19 | Aug. 12, 2024 | 2,920 | Disposed |
| Aug. 12, 2020 | PH | Stock Appreciation Right | Common Stock | $209.56 | Aug. 11, 2030 | 10,220 | Acquired |
| Nov. 1, 2019 | PH | Stock Appreciation Right | Common Stock | $106.18 | Aug. 13, 2023 | 3,870 | Disposed |
| Aug. 14, 2019 | PH | Stock Appreciation Right | Common Stock | $158.90 | Aug. 13, 2029 | 13,020 | Acquired |
| Aug. 15, 2018 | PH | Stock Appreciation Right | Common Stock | $166.49 | Aug. 15, 2028 | 9,740 | Acquired |
| Aug. 31, 2017 | PH | Stock Appreciation Right | Common Stock | $81.86 | Aug. 14, 2022 | 2,330 | Disposed |
| Aug. 16, 2017 | PH | Stock Appreciation Right | Common Stock | $158.79 | Aug. 15, 2027 | 12,500 | Acquired |
| Aug. 17, 2016 | PH | Stock Appreciation Right | Common Stock | $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 | 115 | Indirect |
| Jan. 7, 2016 | PH | Stock Appreciation Right | 2,330 | Direct |
| Jan. 7, 2016 | PH | Stock Appreciation Right | 3,870 | Direct |
| Jan. 7, 2016 | PH | Stock Appreciation Right | 2,920 | Direct |
| Jan. 7, 2016 | PH | Stock Appreciation Right | 2,800 | Direct |