Thomas W. Arnst, EVP, Chief Administrative Officer, and General Counsel at Tenet Healthcare Corp ($THC), sold shares four times on the open market over the last year, for a total of $9.15 million. His most recent sale occurred on March 9, 2026. These THC insider sales rank 1,205th among 11,678 individual insiders, where the average is $8.6 million across 6.4 transactions. Arnst recorded no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 9, 2026 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | S | Common Stock | 4714 | $238.42 | 3,298.0000 | 90,833,000 | 58.84% | 0.01% |
| March 9, 2026 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | S | Common Stock | 3286 | $239.46 | 12.0000 | 90,833,000 | 99.64% | 0.00% |
| Feb. 27, 2026 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | F | Common Stock | 1496 | $237.58 | 51,291.0000 | 90,833,000 | 2.83% | 0.00% |
| Feb. 27, 2026 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | M | Common Stock | 5604 | $0.00 | 47,189.0000 | 90,833,000 | 13.48% | 0.01% |
| Feb. 27, 2026 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | A | 2026 February Restricted Stock Units | 7520 | $0.00 | 7,520.0000 | 90,833,000 | 9999.99% | 0.01% |
| March 2, 2026 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | S | Common Stock | 24000 | $234.04 | 8,012.0000 | 90,833,000 | 74.97% | 0.03% |
| Feb. 27, 2026 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | F | Common Stock | 14870 | $239.39 | 32,012.0000 | 90,833,000 | 31.72% | 0.02% |
| Feb. 27, 2026 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | F | Common Stock | 4409 | $239.39 | 46,882.0000 | 90,833,000 | 8.60% | 0.00% |
| Feb. 27, 2026 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | M | Common Stock | 5598 | $0.00 | 52,787.0000 | 90,833,000 | 11.86% | 0.01% |
| Feb. 27, 2026 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | M | 2023 March Restricted Stock Units | 5598 | $0.00 | 0.0000 | 90,833,000 | 100.00% | 0.01% |
| Feb. 27, 2026 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | M | 2024 February Restricted Stock Units | 5604 | $0.00 | 5,605.0000 | 90,833,000 | 50.00% | 0.01% |
| Feb. 24, 2026 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | M | Common Stock | 3800 | $0.00 | 41,585.0000 | 90,833,000 | 10.06% | 0.00% |
| Feb. 24, 2026 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | M | 2025 Restricted Stock Units | 3800 | $0.00 | 7,602.0000 | 90,833,000 | 33.33% | 0.00% |
| Feb. 13, 2026 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | A | Common Stock | 37785 | $0.00 | 37,785.0000 | 90,833,000 | 9999.99% | 0.04% |
| May 21, 2025 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | S | Common Stock | 9786 | $166.00 | 0.0000 | 97,881,000 | 100.00% | 0.01% |
| March 11, 2025 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | G | Common Stock | 16000 | $0.00 | 9,786.0000 | 97,881,000 | 62.05% | 0.02% |
| Feb. 28, 2025 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | M | 2023 March Restricted Stock Units | 5598 | $0.00 | 5,598.0000 | 97,881,000 | 50.00% | 0.01% |
| Feb. 28, 2025 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | M | Common Stock | 5604 | $0.00 | 24,597.0000 | 97,881,000 | 29.51% | 0.01% |
| Feb. 28, 2025 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | M | Common Stock | 5598 | $0.00 | 30,195.0000 | 97,881,000 | 22.76% | 0.01% |
| March 3, 2025 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | F | Common Stock | 4409 | $126.59 | 25,786.0000 | 97,881,000 | 14.60% | 0.00% |
| Feb. 28, 2025 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | M | 2024 February Restricted Stock Units | 5604 | $0.00 | 11,209.0000 | 97,881,000 | 33.33% | 0.01% |
| Feb. 24, 2025 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | A | 2025 February Restricted Stock Units | 11402 | $0.00 | 11,402.0000 | 97,881,000 | 9999.99% | 0.01% |
| Feb. 21, 2025 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | F | Common Stock | 1659 | $129.60 | 27,799.0000 | 97,881,000 | 5.63% | 0.00% |
| Feb. 21, 2025 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | F | Common Stock | 8806 | $129.60 | 18,993.0000 | 97,881,000 | 31.68% | 0.01% |
| Feb. 21, 2025 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | M | 2022 Restricted Stock Units | 4214 | $0.00 | 0.0000 | 97,881,000 | 100.00% | 0.00% |
| Feb. 21, 2025 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | M | Common Stock | 4214 | $0.00 | 29,458.0000 | 97,881,000 | 16.69% | 0.00% |
| Feb. 11, 2025 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | A | Common Stock | 25244 | $0.00 | 25,244.0000 | 97,881,000 | 9999.99% | 0.03% |
| May 1, 2024 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | S | Common Stock | 2915 | $115.98 | 2,900.0000 | 104,800,000 | 50.13% | 0.00% |
| May 1, 2024 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | S | Common Stock | 1802 | $114.87 | 5,815.0000 | 104,800,000 | 23.66% | 0.00% |
| May 1, 2024 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | S | Common Stock | 200 | $119.81 | 0.0000 | 104,800,000 | 100.00% | 0.00% |
| May 1, 2024 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | S | Common Stock | 300 | $118.80 | 200.0000 | 104,800,000 | 60.00% | 0.00% |
| May 1, 2024 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | S | Common Stock | 400 | $117.82 | 500.0000 | 104,800,000 | 44.44% | 0.00% |
| May 1, 2024 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | S | Common Stock | 2000 | $116.89 | 900.0000 | 104,800,000 | 68.97% | 0.00% |
| May 1, 2024 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | S | Common Stock | 531 | $113.76 | 7,617.0000 | 104,800,000 | 6.52% | 0.00% |
| March 1, 2024 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | M | Common Stock | 5597 | $0.00 | 27,351.0000 | 104,800,000 | 25.73% | 0.01% |
| March 1, 2024 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | S | Common Stock | 3976 | $94.03 | 21,172.0000 | 104,800,000 | 15.81% | 0.00% |
| March 1, 2024 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | S | Common Stock | 9925 | $94.96 | 11,247.0000 | 104,800,000 | 46.88% | 0.01% |
| March 1, 2024 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | S | Common Stock | 3099 | $95.48 | 8,148.0000 | 104,800,000 | 27.55% | 0.00% |
| March 1, 2024 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | M | 2023 March Restricted Stock Units | 5597 | $0.00 | 11,196.0000 | 104,800,000 | 99.96% | 0.01% |
| March 1, 2024 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | F | Common Stock | 2203 | $94.29 | 25,148.0000 | 104,800,000 | 8.05% | 0.00% |
| Feb. 28, 2024 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | A | 2024 February Restricted Stock Units | 16813 | $0.00 | 16,813.0000 | 104,800,000 | 9999.99% | 0.02% |
| Feb. 24, 2024 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | M | 2021 Restricted Stock Units | 4156 | $0.00 | 0.0000 | 104,800,000 | 0.00% | 0.00% |
| Feb. 23, 2024 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | M | 2022 Restricted Stock Units | 4213 | $0.00 | 4,214.0000 | 104,800,000 | 9999.99% | 0.00% |
| Feb. 24, 2024 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | F | Common Stock | 8222 | $92.80 | 21,754.0000 | 104,800,000 | 27.43% | 0.01% |
| Feb. 24, 2024 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | M | Common Stock | 4156 | $0.00 | 31,612.0000 | 104,800,000 | 15.14% | 0.00% |
| Feb. 23, 2024 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | F | Common Stock | 1658 | $92.80 | 27,456.0000 | 104,800,000 | 5.69% | 0.00% |
| Feb. 23, 2024 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | M | Common Stock | 4213 | $0.00 | 29,114.0000 | 104,800,000 | 16.92% | 0.00% |
| Feb. 24, 2024 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | F | Common Stock | 1636 | $92.80 | 29,976.0000 | 104,800,000 | 5.18% | 0.00% |
| Feb. 15, 2024 | TENET HEALTHCARE CORP | $THC | Arnst Thomas W | EVP, Chief Admin. Officer & GC | A | Common Stock | 24901 | $0.00 | 24,901.0000 | 104,800,000 | 9999.99% | 0.02% |