PFEIFFER GARY M (CIK 1127304) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-21). Recent activity: Buy DGX (1,142 shares), Sell DGX (1,482 shares), Buy DGX (1,203 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-21 | QUEST DIAGNOSTICS INC (DGX) | Director | Buy | 1,142 | $0 |
| 2025-10-24 | QUEST DIAGNOSTICS INC (DGX) | Director | Sell | 1,482 | $270,317 |
| 2025-05-19 | QUEST DIAGNOSTICS INC (DGX) | Director | Buy | 1,203 | $0 |
Source: SEC Form 4 filings · as of 2026-05-21