DGX Insider Buying & Government Contracts (2026)

DGX insider buying and selling over the past year

Insiders at QUEST DIAGNOSTICS INC only sold stock in the open market over the past year: 17 Form 4 sales totaling $25.38M, against no open-market purchases.

Most of the selling was pre-scheduled: 14 of the 17 sales (82.4%) were flagged as Rule 10b5-1 plan trades, which are set up in advance and say less about an insider's current view than discretionary sales. Activity clustered in 2026-03 (8 trades) and 2026-02 (5 trades); the latest filing in this window is dated 2026-03-05. The average open-market sale price was $198.91; the last close of $235.00 is 18.1% above that level, so sellers left upside on the table. The single largest trade was a sale of 55,093 shares worth $10.59M on 2025-11-25. Since the most recent filing the stock has moved +15.2%, from $203.98.

Where DGX trades relative to its one-year range

QUEST DIAGNOSTICS INC closed at $235.00 on 2026-10-16, inside a one-year range of $173.49 to $247.45. That puts the stock near the top of its range, at 83.2% of the distance from low to high. Over one year the share price moved +25.8%, and over roughly three months +11.5%. Average daily volume over the last month was about 1,155,231 shares.

Across 27 companies in the same SEC industry group (SIC 80) with a full year of prices in Gemral Edge, the median one-year return was +18.9%. DGX is ahead of that median and beat 59% of that peer group on this measure.

Members of Congress who traded DGX

STOCK Act disclosures show 15 trades in DGX by 7 members of Congress over five years (6 purchases, 9 sales), most recently on 2026-09-04. The most active traders were Carol D. Miller (R-WV), 3 trades; Julie Johnson (D-TX), 3 trades; Ro Khanna (D-CA), 3 trades; Alan Armstrong (R-OK), 2 trades; Julia Letlow (R-LA), 2 trades.

By party the trades split 8 by Republicans, 7 by Democrats; by chamber, 12 from the House, 3 from the Senate.

QUEST DIAGNOSTICS INC federal contract exposure

Federal procurement records resolve 7 prime award actions to QUEST DIAGNOSTICS INC, worth $18.89M across 1 agencies. Department of Veterans Affairs accounts for 100.0% of that value ($18.89M), so revenue from this channel depends heavily on one buyer.

DGX lobbying disclosures

QUEST DIAGNOSTICS INC appears in 3 Lobbying Disclosure Act filings between 2018 and 2018, with $350.0K in reported lobbying spend.

Compare DGX with indexed peers from the same industry group

These peers have full Gemral Edge dossiers and the closest one-year price move to DGX:

• LH one-year return +12.1%
• HCA one-year return +9.4%

Sources and method

Every figure above is computed from public filings stored in Gemral Edge, not estimated. Insider figures count only open-market purchases and sales reported on SEC Form 4; option exercises, grants and gifts are excluded because they do not reflect a decision to buy or sell at market prices.

• SEC EDGAR Form 4 (edge_insider_trades, codes P/S open-market only) — as of 2026-03-05
• edge_prices_eod (end-of-day close) — as of 2026-10-16
• House PTR / Senate eFD disclosures (edge_congress_trades) — as of 2026-09-04
• FPDS / USAspending (edge_contracts, tier-1 resolved) — as of 2026-10-14
• Senate LDA filings (edge_lobbying_filings)

DGX data questions

Are DGX insiders buying or selling stock?

Insiders at QUEST DIAGNOSTICS INC only sold stock in the open market over the past year: 17 Form 4 sales totaling $25.38M, against no open-market purchases.

What is the one-year price range for DGX?

Based on end-of-day closes through 2026-10-16, DGX traded between $173.49 and $247.45, last closing at $235.00.

Has any member of Congress traded DGX stock?

Yes. 7 members disclosed 15 trades in DGX over five years; the most recent disclosed trade date is 2026-09-04.