Form 4: Quest Diagnostics Executive Sells Shares
Insider Transaction (Form 4)
Michael E Prevoznik, SVP & General Counsel of Quest Diagnostics Inc, sold 22,677 shares of common stock on August 28, 2026.
Summary
- Option exercise/conversion: acquired 22,677 Common Stock at $112.17 ($2,543,679) on August 28, 2026; holds 60,234 after (Direct).
- Open-market sale: disposed of 16,010 Common Stock at $242.88 ($3,888,437) on August 28, 2026; holds 44,224 after (Direct).
- Open-market sale: disposed of 6,237 Common Stock at $243.63 ($1,519,505) on August 28, 2026; holds 37,987 after (Direct).
- Open-market sale: disposed of 430 Common Stock at $244.51 ($105,141) on August 28, 2026; holds 37,557 after (Direct).
- Bona fide gift: disposed of 1,000 Common Stock on August 28, 2026; holds 36,557 after (Direct).
- Option exercise/conversion: disposed of 22,677 Non-Qualifed Stock Option (right to buy) at $112.17 ($2,543,679) on August 28, 2026 (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $5,513,083 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
Michael E Prevoznik — Officer (SVP & General Counsel)
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-28 | Option exercise/conversion | Common Stock | 22,677 | $112 | $2.5M | 60,234 |
| 2026-08-28 | Open-market sale | Common Stock | 16,010 | $243 | $3.9M | 44,224 |
| 2026-08-28 | Open-market sale | Common Stock | 6,237 | $244 | $1.5M | 37,987 |
| 2026-08-28 | Open-market sale | Common Stock | 430 | $245 | $105.1K | 37,557 |
| 2026-08-28 | Bona fide gift | Common Stock | 1,000 | — | — | 36,557 |
| 2026-08-28 | Option exercise/conversion | Non-Qualifed Stock Option (right to buy) | 22,677 | $112 | $2.5M | 0 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-28 | Option exercise/conversion (22,677 shares) |
| 2026-08-28 | Open-market sale (16,010 shares) |
| 2026-08-28 | Open-market sale (6,237 shares) |
| 2026-08-28 | Open-market sale (430 shares) |
| 2026-08-28 | Bona fide gift (1,000 shares) |
| 2026-08-28 | Option exercise/conversion (22,677 shares) |
Keywords
insider transaction, Form 4, DGX, QUEST DIAGNOSTICS INC, bearish, Michael E Prevoznik
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