Thomas W Arnst
First SEC filing: Jan. 21, 2022 · Latest: Jan. 21, 2022
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Insider transactions
Price change vs the latest weekly close (updated to the current quote in your browser when available), 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 |
|---|---|---|---|---|---|---|---|---|---|
| March 9, 2026 | THC | S | 4,714 | $238.42 | $1,123,912 | 3,298 Direct | -58.84% | Disposed | 12.6% (price as of ) |
| March 9, 2026 | THC | S | 3,286 | $239.46 | $786,866 | 12 Direct | -99.64% | Disposed | 12.1% (price as of ) |
| March 2, 2026 | THC | S | 24,000 | $234.04 | $5,616,960 | 8,012 Direct | -74.97% | Disposed | 14.7% (price as of ) |
| Feb. 27, 2026 | THC | M | 5,604 | · | · | 47,189 Direct | +13.48% | Acquired | |
| Feb. 27, 2026 | THC | M | 5,598 | · | · | 52,787 Direct | +11.86% | Acquired | |
| Feb. 27, 2026 | THC | F | 1,496 | $237.58 | $355,420 | 51,291 Direct | -2.83% | Disposed | 13.0% (price as of ) |
| Feb. 27, 2026 | THC | F | 4,409 | $239.39 | $1,055,471 | 46,882 Direct | -8.60% | Disposed | 12.1% (price as of ) |
| Feb. 27, 2026 | THC | F | 14,870 | $239.39 | $3,559,729 | 32,012 Direct | -31.72% | Disposed | 12.1% (price as of ) |
| Feb. 27, 2026 | THC | A | 7,520 | · | · | 7,520 Direct | · | Acquired | |
| Feb. 27, 2026 | THC | M | 5,604 | · | · | 5,605 Direct | -50.00% | Disposed | |
| Feb. 27, 2026 | THC | M | 5,598 | · | · | 0 Direct | -100.00% | Disposed | |
| Feb. 24, 2026 | THC | M | 3,800 | · | · | 41,585 Direct | +10.06% | Acquired | |
| Feb. 24, 2026 | THC | M | 3,800 | · | · | 7,602 Direct | -33.33% | Disposed | |
| Feb. 13, 2026 | THC | A | 37,785 | · | · | 37,785 Direct | · | Acquired | |
| May 21, 2025 | THC | S | 9,786 | $166.00 | $1,624,476 | 0 Direct | -100.00% | Disposed | 61.7% (price as of ) |
| March 11, 2025 | THC | G | 16,000 | · | · | 9,786 Direct | -62.05% | Disposed | |
| March 3, 2025 | THC | F | 4,409 | $126.59 | $558,135 | 25,786 Direct | -14.60% | Disposed | 112.1% (price as of ) |
| Feb. 28, 2025 | THC | M | 5,604 | · | · | 24,597 Direct | +29.51% | Acquired | |
| Feb. 28, 2025 | THC | M | 5,598 | · | · | 30,195 Direct | +22.76% | Acquired | |
| Feb. 28, 2025 | THC | M | 5,604 | · | · | 11,209 Direct | -33.33% | Disposed | |
| Feb. 28, 2025 | THC | M | 5,598 | · | · | 5,598 Direct | -50.00% | Disposed | |
| Feb. 24, 2025 | THC | A | 11,402 | · | · | 11,402 Direct | · | Acquired | |
| Feb. 21, 2025 | THC | M | 4,214 | · | · | 29,458 Direct | +16.69% | Acquired | |
| Feb. 21, 2025 | THC | F | 1,659 | $129.60 | $215,006 | 27,799 Direct | -5.63% | Disposed | 107.1% (price as of ) |
| Feb. 21, 2025 | THC | F | 8,806 | $129.60 | $1,141,258 | 18,993 Direct | -31.68% | Disposed | 107.1% (price as of ) |
| Feb. 21, 2025 | THC | M | 4,214 | · | · | 0 Direct | -100.00% | Disposed | |
| Feb. 11, 2025 | THC | A | 25,244 | · | · | 25,244 Direct | · | Acquired | |
| May 1, 2024 | THC | S | 531 | $113.76 | $60,407 | 7,617 Direct | -6.52% | Disposed | 136.0% (price as of ) |
| May 1, 2024 | THC | S | 1,802 | $114.87 | $206,996 | 5,815 Direct | -23.66% | Disposed | 133.7% (price as of ) |
| May 1, 2024 | THC | S | 2,915 | $115.98 | $338,082 | 2,900 Direct | -50.13% | Disposed | 131.5% (price as of ) |
| May 1, 2024 | THC | S | 2,000 | $116.89 | $233,780 | 900 Direct | -68.97% | Disposed | 129.7% (price as of ) |
| May 1, 2024 | THC | S | 400 | $117.82 | $47,128 | 500 Direct | -44.44% | Disposed | 127.8% (price as of ) |
| May 1, 2024 | THC | S | 300 | $118.80 | $35,640 | 200 Direct | -60.00% | Disposed | 126.0% (price as of ) |
| May 1, 2024 | THC | S | 200 | $119.81 | $23,962 | 0 Direct | -100.00% | Disposed | 124.1% (price as of ) |
| March 1, 2024 | THC | M | 5,597 | · | · | 27,351 Direct | +25.73% | Acquired | |
| March 1, 2024 | THC | F | 2,203 | $94.29 | $207,721 | 25,148 Direct | -8.05% | Disposed | 184.7% (price as of ) |
| March 1, 2024 | THC | S | 3,976 | $94.03 | $373,863 | 21,172 Direct | -15.81% | Disposed | 185.5% (price as of ) |
| March 1, 2024 | THC | S | 9,925 | $94.96 | $942,478 | 11,247 Direct | -46.88% | Disposed | 182.7% (price as of ) |
| March 1, 2024 | THC | S | 3,099 | $95.48 | $295,893 | 8,148 Direct | -27.55% | Disposed | 181.2% (price as of ) |
| March 1, 2024 | THC | M | 5,597 | · | · | 11,196 Direct | +99.96% | Acquired | |
| Feb. 28, 2024 | THC | A | 16,813 | · | · | 16,813 Direct | · | Acquired | |
| Feb. 24, 2024 | THC | M | 4,156 | · | · | 31,612 Direct | +15.14% | Acquired | |
| Feb. 24, 2024 | THC | F | 1,636 | $92.80 | $151,821 | 29,976 Direct | -5.18% | Disposed | 189.3% (price as of ) |
| Feb. 24, 2024 | THC | F | 8,222 | $92.80 | $763,002 | 21,754 Direct | -27.43% | Disposed | 189.3% (price as of ) |
| Feb. 24, 2024 | THC | M | 4,156 | · | · | 0 Direct | · | Acquired | |
| Feb. 23, 2024 | THC | M | 4,213 | · | · | 29,114 Direct | +16.92% | Acquired | |
| Feb. 23, 2024 | THC | F | 1,658 | $92.80 | $153,862 | 27,456 Direct | -5.69% | Disposed | 189.3% (price as of ) |
| Feb. 23, 2024 | THC | M | 4,213 | · | · | 4,214 Direct | +421300.00% | Acquired | |
| Feb. 15, 2024 | THC | A | 24,901 | · | · | 24,901 Direct | · | Acquired | |
| May 19, 2023 | THC | S | 18,378 | $73.02 | $1,341,962 | 2,800 Direct | -86.78% | Disposed | 267.6% (price as of ) |
| May 19, 2023 | THC | S | 2,800 | $73.80 | $206,640 | 0 Direct | -100.00% | Disposed | 263.8% (price as of ) |
| March 7, 2023 | THC | S | 1,600 | $60.07 | $96,112 | 21,178 Direct | -7.02% | Disposed | 346.9% (price as of ) |
| March 6, 2023 | THC | M | 4,213 | · | · | 4,213 Direct | · | Acquired | |
| March 6, 2023 | THC | F | 1,658 | $60.62 | $100,508 | 2,555 Direct | -39.35% | Disposed | 342.8% (price as of ) |
| March 6, 2023 | THC | M | 3,869 | · | · | 6,424 Direct | +151.43% | Acquired | |
| March 6, 2023 | THC | F | 1,523 | $59.29 | $90,299 | 4,901 Direct | -23.71% | Disposed | 352.8% (price as of ) |
| March 6, 2023 | THC | M | 5,531 | · | · | 10,432 Direct | +112.85% | Acquired | |
| March 6, 2023 | THC | F | 2,177 | $58.53 | $127,420 | 8,255 Direct | -20.87% | Disposed | 358.7% (price as of ) |
| March 6, 2023 | THC | M | 21,125 | · | · | 29,380 Direct | +255.91% | Acquired | |
| March 6, 2023 | THC | F | 5,777 | $58.53 | $338,128 | 23,603 Direct | -19.66% | Disposed | 358.7% (price as of ) |
| March 6, 2023 | THC | S | 825 | $61.00 | $50,325 | 22,778 Direct | -3.50% | Disposed | 340.1% (price as of ) |
| March 6, 2023 | THC | M | 4,213 | · | · | 8,427 Direct | -33.33% | Disposed | |
| March 6, 2023 | THC | M | 3,869 | · | · | 4,156 Direct | -48.21% | Disposed | |
| March 6, 2023 | THC | M | 5,531 | · | · | 0 Direct | -100.00% | Disposed | |
| March 6, 2023 | THC | M | 21,125 | · | · | 0 Direct | -100.00% | Disposed | |
| March 1, 2023 | THC | A | 16,793 | · | · | 16,793 Direct | · | Acquired | |
| March 2, 2022 | THC | S | 8,742 | $88.00 | $769,296 | 0 Direct | -100.00% | Disposed | 205.1% (price as of ) |
| Feb. 28, 2022 | THC | M | 4,379 | · | · | 6,623 Direct | +195.14% | Acquired | |
| Feb. 28, 2022 | THC | F | 1,067 | $85.99 | $91,751 | 5,556 Direct | -16.11% | Disposed | 212.2% (price as of ) |
| Feb. 28, 2022 | THC | M | 4,972 | · | · | 10,528 Direct | +89.49% | Acquired | |
| Feb. 28, 2022 | THC | F | 1,786 | $85.99 | $153,578 | 8,742 Direct | -16.96% | Disposed | 212.2% (price as of ) |
| Feb. 28, 2022 | THC | M | 4,379 | · | · | 5,531 Direct | -44.19% | Disposed | |
| Feb. 28, 2022 | THC | M | 4,972 | · | · | 0 Direct | -100.00% | Disposed | |
| Feb. 24, 2022 | THC | M | 3,006 | · | · | 3,006 Direct | · | Acquired | |
| Feb. 24, 2022 | THC | F | 762 | $81.20 | $61,874 | 2,244 Direct | -25.35% | Disposed | 230.6% (price as of ) |
| Feb. 24, 2022 | THC | M | 3,006 | · | · | 8,025 Direct | -27.25% | Disposed | |
| Feb. 23, 2022 | THC | A | 12,640 | · | · | 12,640 Direct | · | Acquired |
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. 27, 2026 | THC | 2026 February Restricted Stock Units | Common Stock | · | · | 7,520 | Acquired |
| Feb. 27, 2026 | THC | 2024 February Restricted Stock Units | Common Stock [F8] | · | · | 5,604 | Disposed |
| Feb. 27, 2026 | THC | 2023 March Restricted Stock Units | Common Stock [F8] | · | · | 5,598 | Disposed |
| Feb. 24, 2026 | THC | 2025 Restricted Stock Units | Common Stock [F3] | · | · | 3,800 | Disposed |
| Feb. 28, 2025 | THC | 2024 February Restricted Stock Units | Common Stock [F5] | · | · | 5,604 | Disposed |
| Feb. 28, 2025 | THC | 2023 March Restricted Stock Units | Common Stock [F5] | · | · | 5,598 | Disposed |
| Feb. 24, 2025 | THC | 2025 February Restricted Stock Units | Common Stock | · | · | 11,402 | Acquired |
| Feb. 21, 2025 | THC | 2022 Restricted Stock Units | Common Stock [F6] | · | · | 4,214 | Disposed |
| March 1, 2024 | THC | 2023 March Restricted Stock Units | Common Stock | · | · | 5,597 | Acquired |
| Feb. 28, 2024 | THC | 2024 February Restricted Stock Units | Common Stock | · | · | 16,813 | Acquired |
| Feb. 24, 2024 | THC | 2021 Restricted Stock Units | Common Stock [F6] | · | · | 4,156 | Acquired |
| Feb. 23, 2024 | THC | 2022 Restricted Stock Units | Common Stock [F6] | · | · | 4,213 | Acquired |
| March 6, 2023 | THC | 2022 February Restricted Stock Units | Common Stock [F9] | · | · | 4,213 | Disposed |
| March 6, 2023 | THC | 2021 February Restricted Stock Units | Common Stock [F9] | · | · | 3,869 | Disposed |
| March 6, 2023 | THC | 2020 February Restricted Stock Units | Common Stock [F9] | · | · | 5,531 | Disposed |
| March 6, 2023 | THC | 2020 February Performance-Based Restricted Stock Units | Common Stock [F9] | · | · | 21,125 | Disposed |
| March 1, 2023 | THC | 2023 March Restricted Stock Units | Common Stock | · | · | 16,793 | Acquired |
| Feb. 28, 2022 | THC | 2020 June Restricted Stock Units | Common Stock [F5] | · | · | 4,379 | Disposed |
| Feb. 28, 2022 | THC | 2019 July Restricted Stock Units | Common Stock [F5] | · | · | 4,972 | Disposed |
| Feb. 24, 2022 | THC | 2021 February Restricted Stock Units | Common Stock [F4] | · | · | 3,006 | Disposed |
| Feb. 23, 2022 | THC | 2022 February Restricted Stock Units | Common Stock | · | · | 12,640 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Jan. 21, 2022 | THC | Common Stock | 0 | Direct |
| May 14, 2021 | THC | Common Stock | 19,108 | Direct |
| May 14, 2021 | THC | 2019 July Restricted Stock Units | 8,985 | Direct |
| May 14, 2021 | THC | 2020 June Restricted Stock Units | 15,077 | Direct |
| May 14, 2021 | THC | 2021 February Restricted Stock Units | 14,192 | Direct |