Thomas W Arnst
CIK 1852128 · View on SEC EDGAR ↗
Insider
First SEC filing: Jan. 21, 2022 · Latest: Jan. 21, 2022
On this page
Insider at
Insider transactions
0 buys (P)
3 sells (S)
Net:
$-7,527,738
+ 58 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
58 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 9, 2026 | THC | S | 3,286 | $239.46 | $786,866 | 12 Direct | -99.64% | Disposed | 15.3% (price as of 2026-08-19) |
| March 9, 2026 | THC | S | 4,714 | $238.42 | $1,123,912 | 3,298 Direct | -58.84% | Disposed | 15.8% (price as of 2026-08-19) |
| March 2, 2026 | THC | S | 24,000 | $234.04 | $5,616,960 | 8,012 Direct | -74.97% | Disposed | 18.0% (price as of 2026-08-19) |
| May 21, 2025 | THC | S | 9,786 | $166.00 | $1,624,476 | 0 Direct | -100.00% | Disposed | 66.3% (price as of 2026-08-19) |
| May 1, 2024 | THC | S | 200 | $119.81 | $23,962 | 0 Direct | -100.00% | Disposed | 130.4% (price as of 2026-08-19) |
| May 1, 2024 | THC | S | 300 | $118.80 | $35,640 | 200 Direct | -60.00% | Disposed | 132.4% (price as of 2026-08-19) |
| May 1, 2024 | THC | S | 400 | $117.82 | $47,128 | 500 Direct | -44.44% | Disposed | 134.3% (price as of 2026-08-19) |
| May 1, 2024 | THC | S | 2,000 | $116.89 | $233,780 | 900 Direct | -68.97% | Disposed | 136.2% (price as of 2026-08-19) |
| May 1, 2024 | THC | S | 2,915 | $115.98 | $338,082 | 2,900 Direct | -50.13% | Disposed | 138.1% (price as of 2026-08-19) |
| May 1, 2024 | THC | S | 1,802 | $114.87 | $206,996 | 5,815 Direct | -23.66% | Disposed | 140.4% (price as of 2026-08-19) |
| May 1, 2024 | THC | S | 531 | $113.76 | $60,407 | 7,617 Direct | -6.52% | Disposed | 142.7% (price as of 2026-08-19) |
| March 1, 2024 | THC | S | 3,099 | $95.48 | $295,893 | 8,148 Direct | -27.55% | Disposed | 189.2% (price as of 2026-08-19) |
| March 1, 2024 | THC | S | 9,925 | $94.96 | $942,478 | 11,247 Direct | -46.88% | Disposed | 190.8% (price as of 2026-08-19) |
| March 1, 2024 | THC | S | 3,976 | $94.03 | $373,863 | 21,172 Direct | -15.81% | Disposed | 193.6% (price as of 2026-08-19) |
| May 19, 2023 | THC | S | 2,800 | $73.80 | $206,640 | 0 Direct | -100.00% | Disposed | 274.1% (price as of 2026-08-19) |
| May 19, 2023 | THC | S | 18,378 | $73.02 | $1,341,962 | 2,800 Direct | -86.78% | Disposed | 278.1% (price as of 2026-08-19) |
| March 7, 2023 | THC | S | 1,600 | $60.07 | $96,112 | 21,178 Direct | -7.02% | Disposed | 359.6% (price as of 2026-08-19) |
| March 6, 2023 | THC | S | 825 | $61.00 | $50,325 | 22,778 Direct | -3.50% | Disposed | 352.6% (price as of 2026-08-19) |
| March 2, 2022 | THC | S | 8,742 | $88.00 | $769,296 | 0 Direct | -100.00% | Disposed | 213.8% (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. 27, 2026 | THC | 2023 March Restricted Stock Units | Common Stock [F8] (5,598) | — | — | 5,598 | Disposed |
| Feb. 27, 2026 | THC | 2024 February Restricted Stock Units | Common Stock [F8] (5,604) | — | — | 5,604 | Disposed |
| Feb. 27, 2026 | THC | 2026 February Restricted Stock Units | Common Stock (7,520) | — | — | 7,520 | Acquired |
| Feb. 24, 2026 | THC | 2025 Restricted Stock Units | Common Stock [F3] (3,800) | — | — | 3,800 | Disposed |
| Feb. 28, 2025 | THC | 2023 March Restricted Stock Units | Common Stock [F5] (5,598) | — | — | 5,598 | Disposed |
| Feb. 28, 2025 | THC | 2024 February Restricted Stock Units | Common Stock [F5] (5,604) | — | — | 5,604 | Disposed |
| Feb. 24, 2025 | THC | 2025 February Restricted Stock Units | Common Stock (11,402) | — | — | 11,402 | Acquired |
| Feb. 21, 2025 | THC | 2022 Restricted Stock Units | Common Stock [F6] (4,214) | — | — | 4,214 | Disposed |
| March 1, 2024 | THC | 2023 March Restricted Stock Units | Common Stock (5,597) | — | — | 5,597 | Acquired |
| Feb. 28, 2024 | THC | 2024 February Restricted Stock Units | Common Stock (16,813) | — | — | 16,813 | Acquired |
| Feb. 24, 2024 | THC | 2021 Restricted Stock Units | Common Stock [F6] (4,156) | — | — | 4,156 | Acquired |
| Feb. 23, 2024 | THC | 2022 Restricted Stock Units | Common Stock [F6] (4,213) | — | — | 4,213 | Acquired |
| March 6, 2023 | THC | 2020 February Performance-Based Restricted Stock Units | Common Stock [F9] (21,125) | — | — | 21,125 | Disposed |
| March 6, 2023 | THC | 2020 February Restricted Stock Units | Common Stock [F9] (5,531) | — | — | 5,531 | Disposed |
| March 6, 2023 | THC | 2021 February Restricted Stock Units | Common Stock [F9] (3,869) | — | — | 3,869 | Disposed |
| March 6, 2023 | THC | 2022 February Restricted Stock Units | Common Stock [F9] (4,213) | — | — | 4,213 | Disposed |
| March 1, 2023 | THC | 2023 March Restricted Stock Units | Common Stock (16,793) | — | — | 16,793 | Acquired |
| Feb. 28, 2022 | THC | 2019 July Restricted Stock Units | Common Stock [F5] (4,972) | — | — | 4,972 | Disposed |
| Feb. 28, 2022 | THC | 2020 June Restricted Stock Units | Common Stock [F5] (4,379) | — | — | 4,379 | Disposed |
| Feb. 24, 2022 | THC | 2021 February Restricted Stock Units | Common Stock [F4] (3,006) | — | — | 3,006 | Disposed |
| Feb. 23, 2022 | THC | 2022 February Restricted Stock Units | Common Stock (12,640) | — | — | 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→ Common Stock [F2] (8,985) | 8,985 | Direct |
| May 14, 2021 | THC | 2020 June Restricted Stock Units→ Common Stock [F2] (15,077) | 15,077 | Direct |
| May 14, 2021 | THC | 2021 February Restricted Stock Units→ Common Stock [F2] (14,192) | 14,192 | Direct |