Gary M. Pfeiffer, a director at Quest Diagnostics Inc. (DGX), made one open market sale of DGX shares in the last 365 days, totaling $270,317. His most recent sale was on October 22, 2025. These sales rank 7,790th among 11,678 insiders, below the average sale amount of 8.6 million and 6.37 transactions per insider. Pfeiffer 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct. 22, 2025 | QUEST DIAGNOSTICS INC | $DGX | PFEIFFER GARY M | Director | S | Common Stock | 1482 | $182.40 | 29,431.0000 | 111,000,000 | 4.79% | 0.00% |
| Oct. 23, 2025 | QUEST DIAGNOSTICS INC | $DGX | PFEIFFER GARY M | Director | I | Phantom Stock | 4413 | $190.58 | 0.0000 | 111,000,000 | 100.00% | 0.00% |
| May 15, 2025 | QUEST DIAGNOSTICS INC | $DGX | PFEIFFER GARY M | Director | A | Common Stock | 1203 | $0.00 | 30,669.0000 | 111,000,000 | 4.08% | 0.00% |
| May 16, 2024 | QUEST DIAGNOSTICS INC | $DGX | PFEIFFER GARY M | Director | A | Common Stock | 1482 | $0.00 | 28,916.0000 | 111,000,000 | 5.40% | 0.00% |