Insider txns (12m)
146
Stock / equity
DGX QUEST DIAGNOSTICS INC
- Company
- QUEST DIAGNOSTICS INC
- Security
- Equity
- Size, estimated from filings
- Large cap ($10B – $200B)
- Insiders on record
- 18
- Members of Congress
- 4
- Latest trade on record
- October 1, 2026
DGX (QUEST DIAGNOSTICS INC) has 146 disclosed insider transactions from 18 insiders in the last 12 months (0 open-market buys, 62 sales, about $101.5M at reported prices) and 8 congressional trades from 4 members of Congress. The most recent disclosure was filed October 2, 2026.
Open-market buys / sales
0 / 62
Congress trades (12m)
8
Distinct filers (12m)
22
Share price
Price and chart by TradingView for QUEST DIAGNOSTICS INC. US share prices here are delayed, not real-time. The trade records on this page come from government filings, not from this chart.
DGX in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
BoughtSold
8 people account for the disclosed buying and selling in DGX over the last 12 months; the most active is Davis J. E. with $26M.
Prices insiders traded at
What price did insiders buy and sell at? Each marker is one open-market trade at the share price reported on its Form 4.
▲ Bought▼ SoldAverage reported price that day
Insiders reported 30 open-market trades in DGX since Oct 22, 2025, at prices from $182 to $245; the most recent was a sale at $243 on Sep 1, 2026. These are the prices on the filings, not adjusted for stock splits, and not a market price series.
Insider holdings over time
Is an insider building or unwinding a position? Shares held directly after each filing.
DELANEY MARK EDavis J. E.
DELANEY MARK E reported 10,335 shares held after the latest filing, against 7,530 at the first on record.
Lobbying spend by quarter
How much has QUEST DIAGNOSTICS INC reported spending on federal lobbying?
QUEST DIAGNOSTICS INC reported $3.3M in lobbying over the last eight quarters, from filings matched by exact company name.
Federal contracts by agency
Which agencies awarded QUEST DIAGNOSTICS INC contracts that started in the last 180 days?
Federal contract awards to QUEST DIAGNOSTICS INC that started in the last 180 days have a combined award value of $64M, most from Department of Veterans Affairs.
Insiders trading DGX
Everyone who filed a Form 4 for this ticker, by number of rows on record. "Bought" and "sold" count open-market purchases (code P) and sales only; awards, option exercises and shares withheld for tax are in the row count but not in those two columns. Showing 15 of 18.
| Insider | Role | Rows | Bought | Sold | Value bought | Value sold | Latest |
|---|---|---|---|---|---|---|---|
| DELANEY MARK E | SVP & Chief Commercial Officer | 17 | 0 | 6 | — | $2.5M | July 28, 2026 |
| Plewman Patrick | SVP for Diagnostic Services | 17 | 0 | 8 | — | $2.8M | July 22, 2026 |
| Doherty Catherine T. | EVP, Regional Businesses | 17 | 0 | 12 | — | $8.5M | March 5, 2026 |
| Davis J. E. | CEO and President | 16 | 0 | 11 | — | $25.6M | September 1, 2026 |
| PREVOZNIK MICHAEL E | SVP & General Counsel | 16 | 0 | 10 | — | $7.5M | August 28, 2026 |
| KUPPUSAMY KARTHIK | SVP, Clinical Solutions | 16 | 0 | 5 | — | $2.3M | July 22, 2026 |
| SAMAD SAM | Executive Vice President & CFO | 11 | 0 | 4 | — | $2.1M | July 22, 2026 |
| Deppe Michael J | SVP, Corp. Controller & CAO | 7 | 0 | 4 | — | $210K | March 4, 2026 |
| Gregg Vicky B | Director | 6 | 0 | 1 | — | $240K | July 22, 2026 |
| WENTWORTH TIMOTHY C | Director | 5 | 0 | 0 | — | — | October 1, 2026 |
| CARTER ROBERT B | Director | 5 | 0 | 0 | — | — | July 22, 2026 |
| Lassiter Wright III | Director | 5 | 0 | 0 | — | — | July 22, 2026 |
| PFEIFFER GARY M | Director | 3 | 0 | 1 | — | $270K | May 20, 2026 |
| MAIN TIMOTHY L | Director | 2 | 0 | 0 | — | — | July 22, 2026 |
| RING TIMOTHY M | Director | 2 | 0 | 0 | — | — | May 20, 2026 |
What kind of transactions these are 7 Form 4 codes
| Code | Meaning | Rows | Shares | Value at reported prices |
|---|---|---|---|---|
| A | Grant or award | 52 | 289,436 | $21.3M |
| F | Shares withheld for tax | 32 | 73,347 | $14.9M |
| S | Open-market sale | 30 | 180,011 | $37.3M |
| L | Small acquisition | 16 | 404 | $79K |
| M | Option exercise or conversion | 16 | 251,380 | $27.2M |
| G | Gift | 1 | 1,000 | — |
| I | Discretionary transaction | 1 | 4,413 | $841K |
What each code means: Form 4 transaction codes.
Members of Congress trading DGX
Members whose periodic transaction reports name this ticker. Amounts are the sums of the ranges as filed.
| Member | Seat | Trades | Bought | Sold | Range as filed | Latest |
|---|---|---|---|---|---|---|
| Julie Johnson | Representative (TX, District 32), Democrat | 3 | 1 | 2 | $3,003–$45K | November 3, 2025 |
| Alan Armstrong | Senator (OK), Republican | 2 | 2 | 0 | $2,002–$30K | March 30, 2026 |
| Julia Letlow | Representative (LA, District 5), Republican | 2 | 1 | 1 | $2,002–$30K | July 24, 2025 |
| Carol D. Miller | Representative (WV, District 1), Republican | 1 | 0 | 1 | $15K–$50K | March 10, 2025 |
Insider transactions
| Filer | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| WENTWORTH TIMOTHY C | Other A | October 1, 2026 | October 2, 2026 | 1d | 135 | — | — | derivative | Form 4 ↗ | |
| Davis J. E. | Sell S | September 1, 2026 | September 3, 2026 | 2d | 10,000 | $243 | $2.4M | 10b5-1 plan | Form 4 ↗ | |
| PREVOZNIK MICHAEL E | Option / conversion M | August 28, 2026 | August 31, 2026 | 3d | 22,677 | $112 | $2.5M | 10b5-1 planderivative | Form 4 ↗ | |
| PREVOZNIK MICHAEL E | Other G | August 28, 2026 | August 31, 2026 | 3d | 1,000 | — | — | 10b5-1 plan | Form 4 ↗ | |
| PREVOZNIK MICHAEL E | Sell S | August 28, 2026 | August 31, 2026 | 3d | 430 | $245 | $105K | 10b5-1 plan | Form 4 ↗ | |
| PREVOZNIK MICHAEL E | Sell S | August 28, 2026 | August 31, 2026 | 3d | 6,237 | $244 | $1.5M | 10b5-1 plan | Form 4 ↗ | |
| PREVOZNIK MICHAEL E | Sell S | August 28, 2026 | August 31, 2026 | 3d | 16,010 | $243 | $3.9M | 10b5-1 plan | Form 4 ↗ | |
| PREVOZNIK MICHAEL E | Option / conversion M | August 28, 2026 | August 31, 2026 | 3d | 22,677 | $112 | $2.5M | 10b5-1 plan | Form 4 ↗ | |
| DELANEY MARK E | Sell S | July 28, 2026 | July 29, 2026 | 1d | 1,600 | $235 | $376K | 10b5-1 plan | Form 4 ↗ | |
| KUPPUSAMY KARTHIK | Other L | July 22, 2026 | July 27, 2026 | 5d | 37 | $207 | $7,652 | late | Form 4 ↗ | |
| CARTER ROBERT B | Other L | July 22, 2026 | July 27, 2026 | 5d | 11 | $207 | $2,275 | late | Form 4 ↗ | |
| Gregg Vicky B | Other A | July 22, 2026 | July 27, 2026 | 5d | 72 | $207 | $15K | late | Form 4 ↗ | |
| Plewman Patrick | Other L | July 22, 2026 | July 27, 2026 | 5d | 46 | $207 | $9,513 | late | Form 4 ↗ | |
| MAIN TIMOTHY L | Other L | July 22, 2026 | July 27, 2026 | 5d | 21 | $207 | $4,343 | late | Form 4 ↗ | |
| SAMAD SAM | Other A | July 22, 2026 | July 27, 2026 | 5d | 102 | $207 | $21K | late | Form 4 ↗ | |
| Lassiter Wright III | Other L | July 22, 2026 | July 27, 2026 | 5d | 6 | $207 | $1,241 | late | Form 4 ↗ | |
| DELANEY MARK E | Other L | July 22, 2026 | July 27, 2026 | 5d | 34 | $207 | $7,031 | late | Form 4 ↗ | |
| WENTWORTH TIMOTHY C | Other A | July 1, 2026 | July 2, 2026 | 1d | 144 | — | — | derivative | Form 4 ↗ | |
| KUPPUSAMY KARTHIK | Option / conversion M | June 4, 2026 | June 8, 2026 | 4d | 4,827 | $122 | $588K | 10b5-1 planderivative | Form 4 ↗ | |
| KUPPUSAMY KARTHIK | Option / conversion M | June 4, 2026 | June 8, 2026 | 4d | 3,320 | $128 | $424K | 10b5-1 planderivative | Form 4 ↗ | |
| KUPPUSAMY KARTHIK | Sell S | June 4, 2026 | June 8, 2026 | 4d | 8,147 | $200 | $1.6M | 10b5-1 plan | Form 4 ↗ | |
| KUPPUSAMY KARTHIK | Option / conversion M | June 4, 2026 | June 8, 2026 | 4d | 4,827 | $122 | $588K | 10b5-1 plan | Form 4 ↗ | |
| KUPPUSAMY KARTHIK | Option / conversion M | June 4, 2026 | June 8, 2026 | 4d | 3,320 | $128 | $424K | 10b5-1 plan | Form 4 ↗ | |
| Davis J. E. | Sell S | June 1, 2026 | June 2, 2026 | 1d | 10,000 | $194 | $1.9M | 10b5-1 plan | Form 4 ↗ | |
| CARTER ROBERT B | Other A | May 20, 2026 | May 21, 2026 | 1d | 1,142 | — | — | Form 4 ↗ | ||
| Gregg Vicky B | Other A | May 20, 2026 | May 21, 2026 | 1d | 1,142 | — | — | Form 4 ↗ | ||
| Diaz Luis | Other A | May 20, 2026 | May 21, 2026 | 1d | 1,142 | — | — | Form 4 ↗ | ||
| MAIN TIMOTHY L | Other A | May 20, 2026 | May 21, 2026 | 1d | 1,142 | — | — | Form 4 ↗ | ||
| WENTWORTH TIMOTHY C | Other A | May 20, 2026 | May 21, 2026 | 1d | 1,142 | — | — | Form 4 ↗ | ||
| Doi Tracey | Other A | May 20, 2026 | May 21, 2026 | 1d | 1,142 | — | — | Form 4 ↗ | ||
| RING TIMOTHY M | Other A | May 20, 2026 | May 21, 2026 | 1d | 1,142 | — | — | Form 4 ↗ | ||
| Lassiter Wright III | Other A | May 20, 2026 | May 21, 2026 | 1d | 1,142 | — | — | Form 4 ↗ | ||
| MORRISON DENISE M | Other A | May 20, 2026 | May 21, 2026 | 1d | 1,142 | — | — | Form 4 ↗ | ||
| PFEIFFER GARY M | Other A | May 20, 2026 | May 21, 2026 | 1d | 1,142 | — | — | Form 4 ↗ | ||
| SAMAD SAM | Other A | April 20, 2026 | April 24, 2026 | 4d | 108 | $195 | $21K | Form 4 ↗ | ||
| Plewman Patrick | Other L | April 20, 2026 | April 24, 2026 | 4d | 49 | $195 | $9,540 | Form 4 ↗ | ||
| Gregg Vicky B | Other A | April 20, 2026 | April 24, 2026 | 4d | 68 | $195 | $13K | Form 4 ↗ | ||
| CARTER ROBERT B | Other L | April 20, 2026 | April 24, 2026 | 4d | 7 | $195 | $1,363 | Form 4 ↗ | ||
| Lassiter Wright III | Other L | April 20, 2026 | April 24, 2026 | 4d | 6 | $195 | $1,168 | Form 4 ↗ | ||
| KUPPUSAMY KARTHIK | Other L | April 20, 2026 | April 24, 2026 | 4d | 39 | $195 | $7,593 | Form 4 ↗ | ||
| DELANEY MARK E | Other L | April 20, 2026 | April 24, 2026 | 4d | 37 | $195 | $7,204 | Form 4 ↗ | ||
| WENTWORTH TIMOTHY C | Other A | April 1, 2026 | April 2, 2026 | 1d | 198 | — | — | derivative | Form 4 ↗ | |
| WENTWORTH TIMOTHY C | Other A | March 9, 2026 | March 11, 2026 | 2d | 215 | — | — | Form 4 ↗ | ||
| SAMAD SAM | Sell F | March 4, 2026 | March 6, 2026 | 2d | 7,720 | $205 | $1.6M | Form 4 ↗ | ||
| SAMAD SAM | Other A | March 4, 2026 | March 6, 2026 | 2d | 13,947 | $205 | $2.9M | Form 4 ↗ | ||
| Doherty Catherine T. | Sell S | March 5, 2026 | March 6, 2026 | 1d | 5,558 | $206 | $1.1M | 10b5-1 plan | Form 4 ↗ | |
| Doherty Catherine T. | Sell F | March 4, 2026 | March 6, 2026 | 2d | 5,806 | $205 | $1.2M | 10b5-1 plan | Form 4 ↗ | |
| Doherty Catherine T. | Other A | March 4, 2026 | March 6, 2026 | 2d | 11,364 | $205 | $2.3M | 10b5-1 plan | Form 4 ↗ | |
| DELANEY MARK E | Sell F | March 4, 2026 | March 6, 2026 | 2d | 2,326 | $205 | $477K | Form 4 ↗ | ||
| DELANEY MARK E | Other A | March 4, 2026 | March 6, 2026 | 2d | 5,682 | $205 | $1.2M | Form 4 ↗ | ||
| PREVOZNIK MICHAEL E | Sell S | March 5, 2026 | March 6, 2026 | 1d | 3,878 | $206 | $800K | 10b5-1 plan | Form 4 ↗ | |
| PREVOZNIK MICHAEL E | Sell F | March 4, 2026 | March 6, 2026 | 2d | 3,354 | $205 | $687K | 10b5-1 plan | Form 4 ↗ | |
| PREVOZNIK MICHAEL E | Other A | March 4, 2026 | March 6, 2026 | 2d | 7,232 | $205 | $1.5M | 10b5-1 plan | Form 4 ↗ | |
| Davis J. E. | Sell F | March 4, 2026 | March 6, 2026 | 2d | 26,414 | $205 | $5.4M | Form 4 ↗ | ||
| Davis J. E. | Other A | March 4, 2026 | March 6, 2026 | 2d | 51,652 | $205 | $10.6M | Form 4 ↗ | ||
| Plewman Patrick | Sell S | March 5, 2026 | March 6, 2026 | 1d | 2,855 | $206 | $589K | 10b5-1 plan | Form 4 ↗ | |
| Plewman Patrick | Sell F | March 4, 2026 | March 6, 2026 | 2d | 2,827 | $205 | $579K | 10b5-1 plan | Form 4 ↗ | |
| Plewman Patrick | Other A | March 4, 2026 | March 6, 2026 | 2d | 5,682 | $205 | $1.2M | 10b5-1 plan | Form 4 ↗ | |
| Deppe Michael J | Sell F | March 4, 2026 | March 6, 2026 | 2d | 750 | $205 | $154K | Form 4 ↗ | ||
| Deppe Michael J | Other A | March 4, 2026 | March 6, 2026 | 2d | 1,473 | $205 | $302K | Form 4 ↗ | ||
| KUPPUSAMY KARTHIK | Sell S | March 4, 2026 | March 6, 2026 | 2d | 2,628 | $205 | $538K | Form 4 ↗ | ||
| KUPPUSAMY KARTHIK | Other A | March 4, 2026 | March 6, 2026 | 2d | 6,200 | $205 | $1.3M | Form 4 ↗ | ||
| Doherty Catherine T. | Sell S | March 3, 2026 | March 4, 2026 | 1d | 632 | $208 | $131K | 10b5-1 plan | Form 4 ↗ | |
| Doherty Catherine T. | Sell F | March 2, 2026 | March 4, 2026 | 2d | 648 | $205 | $133K | 10b5-1 plan | Form 4 ↗ | |
| SAMAD SAM | Sell F | March 2, 2026 | March 4, 2026 | 2d | 869 | $205 | $178K | Form 4 ↗ | ||
| PREVOZNIK MICHAEL E | Sell S | March 3, 2026 | March 4, 2026 | 1d | 526 | $208 | $109K | 10b5-1 plan | Form 4 ↗ | |
| PREVOZNIK MICHAEL E | Sell F | March 2, 2026 | March 4, 2026 | 2d | 288 | $205 | $59K | 10b5-1 plan | Form 4 ↗ | |
| Davis J. E. | Sell S | March 2, 2026 | March 4, 2026 | 2d | 10,000 | $213 | $2.1M | 10b5-1 plan | Form 4 ↗ | |
| Davis J. E. | Sell F | March 2, 2026 | March 4, 2026 | 2d | 2,968 | $205 | $608K | 10b5-1 plan | Form 4 ↗ | |
| Plewman Patrick | Sell S | March 3, 2026 | March 4, 2026 | 1d | 410 | $208 | $85K | 10b5-1 plan | Form 4 ↗ | |
| Plewman Patrick | Sell F | March 2, 2026 | March 4, 2026 | 2d | 230 | $205 | $47K | 10b5-1 plan | Form 4 ↗ | |
| KUPPUSAMY KARTHIK | Sell F | March 2, 2026 | March 4, 2026 | 2d | 205 | $205 | $42K | Form 4 ↗ | ||
| DELANEY MARK E | Sell F | March 2, 2026 | March 4, 2026 | 2d | 188 | $205 | $39K | Form 4 ↗ | ||
| Deppe Michael J | Sell F | March 2, 2026 | March 4, 2026 | 2d | 88 | $205 | $18K | Form 4 ↗ | ||
| Plewman Patrick | Other A | February 18, 2026 | February 20, 2026 | 2d | 9,009 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Plewman Patrick | Sell S | February 19, 2026 | February 20, 2026 | 1d | 958 | $205 | $196K | 10b5-1 plan | Form 4 ↗ | |
| Plewman Patrick | Sell F | February 18, 2026 | February 20, 2026 | 2d | 293 | $207 | $61K | 10b5-1 plan | Form 4 ↗ | |
| Plewman Patrick | Sell F | February 18, 2026 | February 20, 2026 | 2d | 244 | $210 | $51K | 10b5-1 plan | Form 4 ↗ | |
| Plewman Patrick | Other A | February 18, 2026 | February 20, 2026 | 2d | 1,952 | — | — | 10b5-1 plan | Form 4 ↗ | |
| SAMAD SAM | Other A | February 18, 2026 | February 20, 2026 | 2d | 18,303 | — | — | derivative | Form 4 ↗ | |
| SAMAD SAM | Other A | January 28, 2026 | February 20, 2026 | 23d | 69 | $184 | $13K | late | Form 4 ↗ | |
| SAMAD SAM | Sell F | February 18, 2026 | February 20, 2026 | 2d | 1,010 | $207 | $209K | Form 4 ↗ | ||
| SAMAD SAM | Sell F | February 18, 2026 | February 20, 2026 | 2d | 855 | $210 | $180K | Form 4 ↗ | ||
| SAMAD SAM | Other A | February 18, 2026 | February 20, 2026 | 2d | 3,965 | — | — | Form 4 ↗ | ||
| PREVOZNIK MICHAEL E | Other A | February 18, 2026 | February 20, 2026 | 2d | 9,289 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| PREVOZNIK MICHAEL E | Sell S | February 19, 2026 | February 20, 2026 | 1d | 1,111 | $205 | $228K | 10b5-1 plan | Form 4 ↗ | |
| PREVOZNIK MICHAEL E | Sell F | February 18, 2026 | February 20, 2026 | 2d | 347 | $207 | $72K | 10b5-1 plan | Form 4 ↗ | |
| PREVOZNIK MICHAEL E | Sell F | February 18, 2026 | February 20, 2026 | 2d | 301 | $210 | $63K | 10b5-1 plan | Form 4 ↗ | |
| PREVOZNIK MICHAEL E | Other A | February 18, 2026 | February 20, 2026 | 2d | 2,013 | — | — | 10b5-1 plan | Form 4 ↗ | |
| Davis J. E. | Other A | February 18, 2026 | February 20, 2026 | 2d | 73,225 | — | — | derivative | Form 4 ↗ | |
| Davis J. E. | Sell F | February 18, 2026 | February 20, 2026 | 2d | 3,788 | $207 | $784K | Form 4 ↗ | ||
| Davis J. E. | Sell F | February 18, 2026 | February 20, 2026 | 2d | 2,396 | $210 | $503K | Form 4 ↗ | ||
| Davis J. E. | Other A | February 18, 2026 | February 20, 2026 | 2d | 15,857 | — | — | Form 4 ↗ | ||
| Doherty Catherine T. | Other A | February 18, 2026 | February 20, 2026 | 2d | 13,514 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Doherty Catherine T. | Sell S | February 19, 2026 | February 20, 2026 | 1d | 1,433 | $205 | $294K | 10b5-1 plan | Form 4 ↗ | |
| Doherty Catherine T. | Sell F | February 18, 2026 | February 20, 2026 | 2d | 728 | $207 | $151K | 10b5-1 plan | Form 4 ↗ | |
| Doherty Catherine T. | Sell F | February 18, 2026 | February 20, 2026 | 2d | 433 | $210 | $91K | 10b5-1 plan | Form 4 ↗ | |
| Doherty Catherine T. | Other A | February 18, 2026 | February 20, 2026 | 2d | 2,928 | — | — | 10b5-1 plan | Form 4 ↗ | |
| KUPPUSAMY KARTHIK | Other A | February 18, 2026 | February 20, 2026 | 2d | 9,853 | — | — | derivative | Form 4 ↗ | |
| KUPPUSAMY KARTHIK | Other L | January 28, 2026 | February 20, 2026 | 23d | 16 | $184 | $2,936 | late | Form 4 ↗ | |
| KUPPUSAMY KARTHIK | Other A | February 18, 2026 | February 20, 2026 | 2d | 2,135 | — | — | Form 4 ↗ | ||
| KUPPUSAMY KARTHIK | Sell F | February 18, 2026 | February 20, 2026 | 2d | 259 | $207 | $54K | Form 4 ↗ | ||
| KUPPUSAMY KARTHIK | Sell F | February 18, 2026 | February 20, 2026 | 2d | 252 | $210 | $53K | Form 4 ↗ | ||
| DELANEY MARK E | Other A | February 18, 2026 | February 20, 2026 | 2d | 7,332 | — | — | derivative | Form 4 ↗ | |
| DELANEY MARK E | Other L | January 28, 2026 | February 20, 2026 | 23d | 15 | $184 | $2,753 | late | Form 4 ↗ | |
| DELANEY MARK E | Sell F | February 18, 2026 | February 20, 2026 | 2d | 230 | $207 | $48K | Form 4 ↗ | ||
| DELANEY MARK E | Sell F | February 18, 2026 | February 20, 2026 | 2d | 205 | $210 | $43K | Form 4 ↗ | ||
| DELANEY MARK E | Other A | February 18, 2026 | February 20, 2026 | 2d | 1,586 | — | — | Form 4 ↗ | ||
| Deppe Michael J | Other A | February 18, 2026 | February 20, 2026 | 2d | 1,688 | — | — | derivative | Form 4 ↗ | |
| Deppe Michael J | Sell F | February 18, 2026 | February 20, 2026 | 2d | 99 | $207 | $20K | Form 4 ↗ | ||
| Deppe Michael J | Sell F | February 18, 2026 | February 20, 2026 | 2d | 83 | $210 | $17K | Form 4 ↗ | ||
| Deppe Michael J | Other A | February 18, 2026 | February 20, 2026 | 2d | 366 | — | — | Form 4 ↗ | ||
| Lassiter Wright III | Other L | January 28, 2026 | February 20, 2026 | 23d | 7 | $184 | $1,285 | late | Form 4 ↗ | |
| CARTER ROBERT B | Other L | January 28, 2026 | February 20, 2026 | 23d | 6 | $184 | $1,101 | late | Form 4 ↗ | |
| Gregg Vicky B | Other L | January 28, 2026 | February 20, 2026 | 23d | 67 | $184 | $12K | late | Form 4 ↗ | |
| Doherty Catherine T. | Option / conversion M | February 13, 2026 | February 17, 2026 | 4d | 26,165 | $112 | $2.9M | 10b5-1 planderivative | Form 4 ↗ | |
| Doherty Catherine T. | Sell S | February 13, 2026 | February 17, 2026 | 4d | 351 | $209 | $73K | 10b5-1 plan | Form 4 ↗ | |
| Doherty Catherine T. | Sell S | February 13, 2026 | February 17, 2026 | 4d | 1,619 | $208 | $337K | 10b5-1 plan | Form 4 ↗ | |
| Doherty Catherine T. | Sell S | February 13, 2026 | February 17, 2026 | 4d | 3,500 | $207 | $725K | 10b5-1 plan | Form 4 ↗ | |
| Doherty Catherine T. | Sell S | February 13, 2026 | February 17, 2026 | 4d | 10,122 | $206 | $2.1M | 10b5-1 plan | Form 4 ↗ | |
| Doherty Catherine T. | Sell S | February 13, 2026 | February 17, 2026 | 4d | 10,573 | $205 | $2.2M | 10b5-1 plan | Form 4 ↗ | |
| Doherty Catherine T. | Option / conversion M | February 13, 2026 | February 17, 2026 | 4d | 26,165 | $112 | $2.9M | 10b5-1 plan | Form 4 ↗ | |
| Plewman Patrick | Option / conversion M | February 10, 2026 | February 12, 2026 | 2d | 5,662 | $122 | $690K | 10b5-1 planderivative | Form 4 ↗ | |
| Plewman Patrick | Sell S | February 10, 2026 | February 12, 2026 | 2d | 5,662 | $204 | $1.2M | 10b5-1 plan | Form 4 ↗ | |
| Plewman Patrick | Option / conversion M | February 10, 2026 | February 12, 2026 | 2d | 5,662 | $122 | $690K | 10b5-1 plan | Form 4 ↗ | |
| Plewman Patrick | Other A | January 28, 2026 | February 12, 2026 | 15d | 48 | $184 | $8,809 | late10b5-1 plan | Form 4 ↗ | |
| Davis J. E. | Option / conversion M | November 25, 2025 | November 28, 2025 | 3d | 55,093 | $96 | $5.3M | 10b5-1 planderivative | Form 4 ↗ | |
| Davis J. E. | Sell S | November 25, 2025 | November 28, 2025 | 3d | 4,747 | $193 | $916K | 10b5-1 plan | Form 4 ↗ | |
| Davis J. E. | Sell S | November 25, 2025 | November 28, 2025 | 3d | 41,004 | $192 | $7.9M | 10b5-1 plan | Form 4 ↗ | |
| Davis J. E. | Sell S | November 25, 2025 | November 28, 2025 | 3d | 9,342 | $192 | $1.8M | 10b5-1 plan | Form 4 ↗ | |
| Davis J. E. | Option / conversion M | November 25, 2025 | November 28, 2025 | 3d | 55,093 | $96 | $5.3M | 10b5-1 plan | Form 4 ↗ | |
| Gregg Vicky B | Sell S | November 25, 2025 | November 28, 2025 | 3d | 1,250 | $192 | $240K | Form 4 ↗ | ||
| DELANEY MARK E | Option / conversion M | November 18, 2025 | November 20, 2025 | 2d | 100 | $143 | $14K | 10b5-1 planderivative | Form 4 ↗ | |
| DELANEY MARK E | Option / conversion M | November 18, 2025 | November 20, 2025 | 2d | 7,846 | $144 | $1.1M | 10b5-1 planderivative | Form 4 ↗ | |
| DELANEY MARK E | Sell S | November 18, 2025 | November 20, 2025 | 2d | 7,946 | $187 | $1.5M | 10b5-1 plan | Form 4 ↗ | |
| DELANEY MARK E | Option / conversion M | November 18, 2025 | November 20, 2025 | 2d | 100 | $143 | $14K | 10b5-1 plan | Form 4 ↗ | |
| DELANEY MARK E | Option / conversion M | November 18, 2025 | November 20, 2025 | 2d | 7,846 | $144 | $1.1M | 10b5-1 plan | Form 4 ↗ | |
| Davis J. E. | Sell F | November 5, 2025 | November 7, 2025 | 2d | 7,143 | $176 | $1.3M | Form 4 ↗ | ||
| SAMAD SAM | Other A | October 21, 2025 | October 24, 2025 | 3d | 68 | $189 | $13K | Form 4 ↗ | ||
| Plewman Patrick | Other A | October 21, 2025 | October 24, 2025 | 3d | 46 | $189 | $8,698 | Form 4 ↗ | ||
| KUPPUSAMY KARTHIK | Other A | October 21, 2025 | October 24, 2025 | 3d | 15 | $189 | $2,836 | Form 4 ↗ | ||
| PFEIFFER GARY M | Other I | October 23, 2025 | October 24, 2025 | 1d | 4,413 | $191 | $841K | derivative | Form 4 ↗ | |
| PFEIFFER GARY M | Sell S | October 22, 2025 | October 24, 2025 | 2d | 1,482 | $182 | $270K | Form 4 ↗ | ||
| Gregg Vicky B | Other A | October 21, 2025 | October 24, 2025 | 3d | 70 | $189 | $13K | Form 4 ↗ | ||
| DELANEY MARK E | Other A | October 21, 2025 | October 24, 2025 | 3d | 15 | $189 | $2,836 | Form 4 ↗ | ||
| CARTER ROBERT B | Other A | October 21, 2025 | October 24, 2025 | 3d | 6 | $189 | $1,135 | Form 4 ↗ | ||
| RING TIMOTHY M | Other A | October 1, 2025 | October 3, 2025 | 2d | 233 | — | — | derivative | Form 4 ↗ | |
| Lassiter Wright III | Other A | October 1, 2025 | October 3, 2025 | 2d | 157 | — | — | derivative | Form 4 ↗ |
Congressional trades
| Filer | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| Carol D. Miller | Sell | March 10, 2025 | August 13, 2026 | 521d | — | — | $15K–$50K | late | House PTR ↗ | |
| Julie Johnson | Buy | October 30, 2025 | August 5, 2026 | 279d | — | — | $1,001–$15K | latejoint | House PTR ↗ | |
| Julie Johnson | Sell | October 30, 2025 | August 5, 2026 | 279d | — | — | $1,001–$15K | latejoint | House PTR ↗ | |
| Alan Armstrong | Buy | March 27, 2026 | July 21, 2026 | 116d | — | — | $1,001–$15K | late | Senate PTR ↗ | |
| Alan Armstrong | Buy | March 30, 2026 | July 21, 2026 | 113d | — | — | $1,001–$15K | late | Senate PTR ↗ | |
| Julia Letlow | Sell | July 24, 2025 | January 13, 2026 | 173d | — | — | $1,001–$15K | late | House PTR ↗ | |
| Julia Letlow | Buy | April 28, 2025 | January 13, 2026 | 260d | — | — | $1,001–$15K | late | House PTR ↗ | |
| Julie Johnson | Sell | November 3, 2025 | December 11, 2025 | 38d | — | — | $1,001–$15K | joint | House PTR ↗ |
Related stocks
Tickers traded by the same people who traded DGX, by number of filers in common. It shows overlap in public filings and nothing else.
- ADBE Adobe Inc. - Common Stock 3 filers in common
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Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- How to read a congressional trade report Owner tells you whose asset it was: the member, the spouse, a dependent child, or held jointly.
- Why congressional trade amounts are ranges There are ten ranges; the lowest is $1,001–$15,000 and the highest is over $50,000,000.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| House Clerk, periodic transaction reports | 4 | 6 | December 11, 2025 | August 13, 2026 | House Clerk search |
| Senate eFD, periodic transaction reports | 1 | 2 | July 21, 2026 | July 21, 2026 | Senate eFD search |
| SEC EDGAR, Form 4 | 76 | 148 | October 3, 2025 | October 2, 2026 | Form 4 list on EDGAR |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Insider rows are Form 4 filings for this issuer from SEC EDGAR; congressional rows are periodic transaction reports parsed from the House Clerk and the Senate eFD. Values use the reported price for Form 4 and the disclosed range for Congress. See methodology and corrections.
Not investment advice. Disclosures are shown as filed and may lag the trade or be amended. No recommendation is made or implied.