Doherty Catherine T. (CIK 1520897) reported 15 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-06). Recent activity: Buy DGX (11,364 shares), Sell DGX (5,806 shares), Sell DGX (5,558 shares), Sell DGX (648 shares), Sell DGX (632 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-06 | QUEST DIAGNOSTICS INC (DGX) | EVP, Regional Businesses | Buy | 11,364 | $2.3M |
| 2026-03-06 | QUEST DIAGNOSTICS INC (DGX) | EVP, Regional Businesses | Sell | 5,806 | $1.2M |
| 2026-03-06 | QUEST DIAGNOSTICS INC (DGX) | EVP, Regional Businesses | Sell | 5,558 | $1.1M |
| 2026-03-04 | QUEST DIAGNOSTICS INC (DGX) | EVP, Regional Businesses | Sell | 648 | $132,749 |
| 2026-03-04 | QUEST DIAGNOSTICS INC (DGX) | EVP, Regional Businesses | Sell | 632 | $131,285 |
| 2026-02-20 | QUEST DIAGNOSTICS INC (DGX) | EVP, Regional Businesses | Buy | 2,928 | $0 |
| 2026-02-20 | QUEST DIAGNOSTICS INC (DGX) | EVP, Regional Businesses | Sell | 433 | $90,934 |
| 2026-02-20 | QUEST DIAGNOSTICS INC (DGX) | EVP, Regional Businesses | Sell | 728 | $150,689 |
| 2026-02-20 | QUEST DIAGNOSTICS INC (DGX) | EVP, Regional Businesses | Sell | 1,433 | $293,521 |
| 2026-02-17 | QUEST DIAGNOSTICS INC (DGX) | EVP, Regional Businesses | Buy | 26,165 | $2.9M |
| 2026-02-17 | QUEST DIAGNOSTICS INC (DGX) | EVP, Regional Businesses | Sell | 10,573 | $2.2M |
| 2026-02-17 | QUEST DIAGNOSTICS INC (DGX) | EVP, Regional Businesses | Sell | 10,122 | $2.1M |
| 2026-02-17 | QUEST DIAGNOSTICS INC (DGX) | EVP, Regional Businesses | Sell | 3,500 | $724,780 |
| 2026-02-17 | QUEST DIAGNOSTICS INC (DGX) | EVP, Regional Businesses | Sell | 1,619 | $337,092 |
| 2026-02-17 | QUEST DIAGNOSTICS INC (DGX) | EVP, Regional Businesses | Sell | 351 | $73,394 |
Source: SEC Form 4 filings · as of 2026-03-06