# Quest Diagnostics Inc (DGX) insider trading, Q3 2026

Canonical: https://sec-api.dev/insider-trading/dgx

> 15 non-derivative transactions: 0 purchases, 5 sales ($8.3M). CIK 1022079.

| Date | Insider | Relationship | Code | Shares | Price | Owned after | Filing |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2026-09-01 | Davis J. E. | Director, Officer | S | 10000.0 | 242.72 | 122423.0 | https://www.sec.gov/Archives/edgar/data/1022079/000159983726000007/0001599837-26-000007-index.htm |
| 2026-08-28 | PREVOZNIK MICHAEL E | Officer | G | 1000.0 | 0.0 | 36557.0 | https://www.sec.gov/Archives/edgar/data/1022079/000102207926000089/0001022079-26-000089-index.htm |
| 2026-08-28 | PREVOZNIK MICHAEL E | Officer | S | 430.0 | 244.51 | 37557.0 | https://www.sec.gov/Archives/edgar/data/1022079/000102207926000089/0001022079-26-000089-index.htm |
| 2026-08-28 | PREVOZNIK MICHAEL E | Officer | S | 6237.0 | 243.63 | 37987.0 | https://www.sec.gov/Archives/edgar/data/1022079/000102207926000089/0001022079-26-000089-index.htm |
| 2026-08-28 | PREVOZNIK MICHAEL E | Officer | S | 16010.0 | 242.88 | 44224.0 | https://www.sec.gov/Archives/edgar/data/1022079/000102207926000089/0001022079-26-000089-index.htm |
| 2026-08-28 | PREVOZNIK MICHAEL E | Officer | M | 22677.0 | 112.17 | 60234.0 | https://www.sec.gov/Archives/edgar/data/1022079/000102207926000089/0001022079-26-000089-index.htm |
| 2026-07-28 | DELANEY MARK E | Officer | S | 1600.0 | 235.18 | 10335.0 | https://www.sec.gov/Archives/edgar/data/1022079/000102207926000087/0001022079-26-000087-index.htm |
| 2026-07-22 | DELANEY MARK E | Officer | L | 34.0 | 206.81 | 11935.0 | https://www.sec.gov/Archives/edgar/data/1022079/000102207926000079/0001022079-26-000079-index.htm |
| 2026-07-22 | Lassiter Wright III | Director | L | 6.0 | 206.81 | 10323.0 | https://www.sec.gov/Archives/edgar/data/1022079/000102207926000080/0001022079-26-000080-index.htm |
| 2026-07-22 | SAMAD SAM | Officer | A | 102.0 | 206.81 | 33478.0 | https://www.sec.gov/Archives/edgar/data/1022079/000102207926000081/0001022079-26-000081-index.htm |
| 2026-07-22 | MAIN TIMOTHY L | Director | L | 21.0 | 206.81 | 22460.0 | https://www.sec.gov/Archives/edgar/data/1022079/000102207926000082/0001022079-26-000082-index.htm |
| 2026-07-22 | Plewman Patrick | Officer | L | 46.0 | 206.81 | 15293.0 | https://www.sec.gov/Archives/edgar/data/1022079/000102207926000083/0001022079-26-000083-index.htm |
| 2026-07-22 | Gregg Vicky B | Director | A | 72.0 | 206.81 | 18386.0 | https://www.sec.gov/Archives/edgar/data/1022079/000102207926000084/0001022079-26-000084-index.htm |
| 2026-07-22 | CARTER ROBERT B | Director | L | 11.0 | 206.8 | 3864.0 | https://www.sec.gov/Archives/edgar/data/1022079/000102207926000085/0001022079-26-000085-index.htm |
| 2026-07-22 | KUPPUSAMY KARTHIK | Officer | L | 37.0 | 206.81 | 13557.0 | https://www.sec.gov/Archives/edgar/data/1022079/000102207926000086/0001022079-26-000086-index.htm |

Source: https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets

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