DGX
Quest Diagnostics Incorporated
NYSE · Healthcare · Medical - Diagnostics & Research · US
$237.58
−0.76%0
Insider buys (3m)
6
Insider sells (3m)
-$9.9M
Net value (3m)
+20.9%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Sep 3, 2026 | Davis J. E. · director, officer: CEO and President | Sale | 10,000 | $243 |
| Aug 31, 2026 | PREVOZNIK MICHAEL E · officer: SVP & General Counsel | M-Exempt | 22,677 | $112 |
| Aug 31, 2026 | PREVOZNIK MICHAEL E · officer: SVP & General Counsel | Sale | 6,237 | $244 |
| Aug 31, 2026 | PREVOZNIK MICHAEL E · officer: SVP & General Counsel | Sale | 430 | $245 |
| Aug 31, 2026 | PREVOZNIK MICHAEL E · officer: SVP & General Counsel | Sale | 16,010 | $243 |
| Jul 29, 2026 | DELANEY MARK E · officer: SVP & Chief Commercial Officer | Sale | 1,600 | $235 |
| Jul 27, 2026 | SAMAD SAM · officer: Executive Vice President & CFO | A-Award | 102 | $207 |
| Jul 27, 2026 | Gregg Vicky B · director | A-Award | 72 | $207 |
| Jul 2, 2026 | WENTWORTH TIMOTHY C · director | A-Award | 144 | $0.00 |
| Jun 8, 2026 | KUPPUSAMY KARTHIK · officer: SVP, Clinical Solutions | M-Exempt | 4,827 | $122 |
| Jun 8, 2026 | KUPPUSAMY KARTHIK · officer: SVP, Clinical Solutions | Sale | 8,147 | $200 |
| Jun 8, 2026 | KUPPUSAMY KARTHIK · officer: SVP, Clinical Solutions | M-Exempt | 3,320 | $128 |
| Jun 2, 2026 | Davis J. E. · director, officer: CEO and President | Sale | 10,000 | $194 |
| May 21, 2026 | WENTWORTH TIMOTHY C · director | A-Award | 1,142 | $0.00 |
| May 21, 2026 | Diaz Luis · director | A-Award | 1,142 | $0.00 |
| May 21, 2026 | MORRISON DENISE M · director | A-Award | 1,142 | $0.00 |
| May 21, 2026 | CARTER ROBERT B · director | A-Award | 1,142 | $0.00 |
| May 21, 2026 | Doi Tracey · director | A-Award | 1,142 | $0.00 |
| May 21, 2026 | PFEIFFER GARY M · director | A-Award | 1,142 | $0.00 |
| May 21, 2026 | MAIN TIMOTHY L · director | A-Award | 1,142 | $0.00 |
| May 21, 2026 | RING TIMOTHY M · director | A-Award | 1,142 | $0.00 |
| May 21, 2026 | Lassiter Wright III · director | A-Award | 1,142 | $0.00 |
| May 21, 2026 | Gregg Vicky B · director | A-Award | 1,142 | $0.00 |
| Apr 24, 2026 | Gregg Vicky B · director | A-Award | 68 | $195 |
| Apr 24, 2026 | SAMAD SAM · officer: Executive Vice President & CFO | A-Award | 108 | $195 |
| Apr 2, 2026 | WENTWORTH TIMOTHY C · director | A-Award | 198 | $0.00 |
| Mar 11, 2026 | WENTWORTH TIMOTHY C · director | A-Award | 215 | $0.00 |
| Mar 6, 2026 | KUPPUSAMY KARTHIK · officer: SVP, Clinical Solutions | Sale | 2,628 | $205 |
| Mar 6, 2026 | KUPPUSAMY KARTHIK · officer: SVP, Clinical Solutions | A-Award | 6,200 | $205 |
| Mar 6, 2026 | DELANEY MARK E · officer: SVP & Chief Commercial Officer | F-InKind | 2,326 | $205 |
Institutional positioning
13F filings over the trailing two quarters
New 243Increased 779Reduced 744Sold out 70
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 9,275,411 | Aug 7, 2026 |
| BLACKROCK, INC. | Reduced | 9,172,292 | May 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 7,233,394 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 7,145,672 | May 15, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 6,297,987 | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 6,131,045 | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 6,081,400 | May 8, 2026 |
| STATE STREET CORP | Increased | 5,516,643 | Aug 7, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Reduced | 5,444,986 | Aug 14, 2026 |
| STATE STREET CORP | Reduced | 5,380,821 | May 15, 2026 |
| Boston Partners | Increased | 4,744,473 | Aug 4, 2026 |
| BOSTON PARTNERS | Increased | 4,012,232 | May 11, 2026 |
| JPMORGAN CHASE & CO | Reduced | 3,846,456 | May 13, 2026 |
| JPMORGAN CHASE & CO | Reduced | 3,520,438 | Aug 12, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 3,137,873 | Aug 12, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Sep 3, 2026