PFEIFFER GARY M
Director
Sale 10b5-1
- Shares
- 1,203
- Price
- $243.00
- Value
- $292,329
SEC EDGAR · Forms 3/4/5Updated through Oct 30, 2026•101 filings
DGX
QUEST DIAGNOSTICS INC
Net sales of $8.2M over the last 3 months
3 sellers account for the net balance. There is no cluster of three distinct buyers within 30 days. We found no CEO/CFO purchases over 12 months.
How to read this signal
Only open-market P purchases and S sales count toward the signal. Vesting, options, taxes and gifts remain in the source data but do not trigger alerts. Rule 10b5-1 trades are shown as informational.
3-month balance
−$8,232,612
0 buyers · 3 sellers
12-month purchases
$0.00
0 distinct insiders
12-month sales
$37,287,840
8 distinct insiders
Highlighted alerts
3
40 Rule 10b5-1 trades treated as informational
Buying cluster · 30 days
Fewer than three distinct buyers
CEO/CFO purchases · 12 months
No executive purchases found
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Form 4 raw → Raspberry
The value is in what we do not call a signal.
The SEC XML stores every transaction. Raspberry keeps that evidence, reads the footnotes and separates voluntary open-market activity from vesting, option exercises, gifts, tax withholding, stock purchase and dividend reinvestment plans and pre-programmed 10b5-1 trades.
100
Raw transactions
Everything returned by the filing
43
Voluntary view
P/S trades after deterministic checks
64
Administrative noise
Stored, never alerted
35
10b5-1
Shown as informational
SEC ownership XML facts
- Code
- A
- Shares
- 90
- Price
- $235.94
- Footnotes
- 1
Reflects shares that were acquired pursuant to a dividend reinvestment plan administered by the reporting person's broker and eligible for deferred reporting on Form 5 under Rule 16a-6. The reporting person has chosen to report such transaction early on this Form 4.
Recent transactions
Voluntary purchases and sales; administrative noise stays hidden.
Davis J. E.
CEO and President
Sale 10b5-1
- Shares
- 10,000
- Price
- $242.72
- Value
- $2,427,200
PREVOZNIK MICHAEL E
SVP & General Counsel
Sale 10b5-1
- Shares
- 430
- Price
- $244.51
- Value
- $105,141
PREVOZNIK MICHAEL E
SVP & General Counsel
Sale 10b5-1
- Shares
- 6,237
- Price
- $243.63
- Value
- $1,519,505
PREVOZNIK MICHAEL E
SVP & General Counsel
Sale 10b5-1
- Shares
- 16,010
- Price
- $242.88
- Value
- $3,888,437
DELANEY MARK E
SVP & Chief Commercial Officer
Sale 10b5-1
- Shares
- 1,600
- Price
- $235.18
- Value
- $376,288
KUPPUSAMY KARTHIK
SVP, Clinical Solutions
Sale 10b5-1
- Shares
- 8,147
- Price
- $200.00
- Value
- $1,629,400
Davis J. E.
CEO and President
Sale 10b5-1
- Shares
- 10,000
- Price
- $194.14
- Value
- $1,941,400
Doherty Catherine T.
EVP, Regional Businesses
Sale 10b5-1
- Shares
- 5,558
- Price
- $206.21
- Value
- $1,146,115
PREVOZNIK MICHAEL E
SVP & General Counsel
Sale 10b5-1
- Shares
- 3,878
- Price
- $206.21
- Value
- $799,682
Plewman Patrick
SVP for Diagnostic Services
Sale 10b5-1
- Shares
- 2,855
- Price
- $206.21
- Value
- $588,730
KUPPUSAMY KARTHIK
SVP, Clinical Solutions
SaleAlert
- Shares
- 2,628
- Price
- $204.86
- Value
- $538,372
Doherty Catherine T.
EVP, Regional Businesses
Sale 10b5-1
- Shares
- 632
- Price
- $207.73
- Value
- $131,285
PREVOZNIK MICHAEL E
SVP & General Counsel
Sale 10b5-1
- Shares
- 526
- Price
- $207.73
- Value
- $109,266
Plewman Patrick
SVP for Diagnostic Services
Sale 10b5-1
- Shares
- 410
- Price
- $207.73
- Value
- $85,169
Davis J. E.
CEO and President
Sale 10b5-1
- Shares
- 10,000
- Price
- $212.52
- Value
- $2,125,200
Doherty Catherine T.
EVP, Regional Businesses
Sale 10b5-1
- Shares
- 1,433
- Price
- $204.83
- Value
- $293,521
Plewman Patrick
SVP for Diagnostic Services
Sale 10b5-1
- Shares
- 958
- Price
- $204.83
- Value
- $196,227
PREVOZNIK MICHAEL E
SVP & General Counsel
Sale 10b5-1
- Shares
- 1,111
- Price
- $204.83
- Value
- $227,566
Doherty Catherine T.
EVP, Regional Businesses
Sale 10b5-1
- Shares
- 351
- Price
- $209.10
- Value
- $73,395
Doherty Catherine T.
EVP, Regional Businesses
Sale 10b5-1
- Shares
- 1,619
- Price
- $208.21
- Value
- $337,093
Doherty Catherine T.
EVP, Regional Businesses
Sale 10b5-1
- Shares
- 3,500
- Price
- $207.08
- Value
- $724,788
Doherty Catherine T.
EVP, Regional Businesses
Sale 10b5-1
- Shares
- 10,122
- Price
- $206.37
- Value
- $2,088,883
Doherty Catherine T.
EVP, Regional Businesses
Sale 10b5-1
- Shares
- 10,573
- Price
- $205.21
- Value
- $2,169,656
Plewman Patrick
SVP for Diagnostic Services
Sale 10b5-1
- Shares
- 5,662
- Price
- $204.00
- Value
- $1,155,048
Davis J. E.
CEO and President
Sale 10b5-1
- Shares
- 4,747
- Price
- $192.97
- Value
- $916,037
Davis J. E.
CEO and President
Sale 10b5-1
- Shares
- 41,004
- Price
- $192.27
- Value
- $7,883,901
Davis J. E.
CEO and President
Sale 10b5-1
- Shares
- 9,342
- Price
- $191.59
- Value
- $1,789,823
Gregg Vicky B
Director
SaleAlert
- Shares
- 1,250
- Price
- $191.76
- Value
- $239,700
DELANEY MARK E
SVP & Chief Commercial Officer
Sale 10b5-1
- Shares
- 7,946
- Price
- $187.35
- Value
- $1,488,683
PFEIFFER GARY M
Director
SaleAlert
- Shares
- 1,482
- Price
- $182.40
- Value
- $270,317
PREVOZNIK MICHAEL E
SVP & General Counsel
Sale 10b5-1
- Shares
- 144
- Price
- $188.66
- Value
- $27,167
PREVOZNIK MICHAEL E
SVP & General Counsel
Sale 10b5-1
- Shares
- 83
- Price
- $187.22
- Value
- $15,539
PREVOZNIK MICHAEL E
SVP & General Counsel
Sale 10b5-1
- Shares
- 175
- Price
- $187.02
- Value
- $32,729
PREVOZNIK MICHAEL E
SVP & General Counsel
Sale 10b5-1
- Shares
- 28,288
- Price
- $187.12
- Value
- $5,293,313
Plewman Patrick
SVP for Diagnostic Services
Sale 10b5-1
- Shares
- 1,975
- Price
- $185.00
- Value
- $365,375
Plewman Patrick
SVP for Diagnostic Services
Sale 10b5-1
- Shares
- 4,532
- Price
- $183.00
- Value
- $829,356
Plewman Patrick
SVP for Diagnostic Services
Sale 10b5-1
- Shares
- 1,975
- Price
- $180.00
- Value
- $355,500
Plewman Patrick
SVP for Diagnostic Services
Sale 10b5-1
- Shares
- 1,975
- Price
- $175.00
- Value
- $345,625
Plewman Patrick
SVP for Diagnostic Services
Sale 10b5-1
- Shares
- 3,560
- Price
- $175.00
- Value
- $623,000
KUPPUSAMY KARTHIK
SVP, Clinical Solutions
Sale 10b5-1
- Shares
- 2,210
- Price
- $170.00
- Value
- $375,700
KUPPUSAMY KARTHIK
SVP, Clinical Solutions
Sale 10b5-1
- Shares
- 5,224
- Price
- $167.40
- Value
- $874,498
KUPPUSAMY KARTHIK
SVP, Clinical Solutions
Sale 10b5-1
- Shares
- 3,045
- Price
- $167.40
- Value
- $509,733
| Date | Insider | Transaction | Shares | Price | Value | Reading |
|---|---|---|---|---|---|---|
| Oct 26, 2026 | PFEIFFER GARY M Director | Sale | 1,203 | $243.00 | $292,329 | |
| Sep 01, 2026 | Davis J. E. CEO and President | Sale | 10,000 | $242.72 | $2,427,200 | |
| Aug 28, 2026 | PREVOZNIK MICHAEL E SVP & General Counsel | Sale | 430 | $244.51 | $105,141 | |
| Aug 28, 2026 | PREVOZNIK MICHAEL E SVP & General Counsel | Sale | 6,237 | $243.63 | $1,519,505 | |
| Aug 28, 2026 | PREVOZNIK MICHAEL E SVP & General Counsel | Sale | 16,010 | $242.88 | $3,888,437 | |
| Jul 28, 2026 | DELANEY MARK E SVP & Chief Commercial Officer | Sale | 1,600 | $235.18 | $376,288 | |
| Jun 04, 2026 | KUPPUSAMY KARTHIK SVP, Clinical Solutions | Sale | 8,147 | $200.00 | $1,629,400 | |
| Jun 01, 2026 | Davis J. E. CEO and President | Sale | 10,000 | $194.14 | $1,941,400 | |
| Mar 05, 2026 | Doherty Catherine T. EVP, Regional Businesses | Sale | 5,558 | $206.21 | $1,146,115 | |
| Mar 05, 2026 | PREVOZNIK MICHAEL E SVP & General Counsel | Sale | 3,878 | $206.21 | $799,682 | |
| Mar 05, 2026 | Plewman Patrick SVP for Diagnostic Services | Sale | 2,855 | $206.21 | $588,730 | |
| Mar 04, 2026 | KUPPUSAMY KARTHIK SVP, Clinical Solutions | Sale | 2,628 | $204.86 | $538,372 | |
| Mar 03, 2026 | Doherty Catherine T. EVP, Regional Businesses | Sale | 632 | $207.73 | $131,285 | |
| Mar 03, 2026 | PREVOZNIK MICHAEL E SVP & General Counsel | Sale | 526 | $207.73 | $109,266 | |
| Mar 03, 2026 | Plewman Patrick SVP for Diagnostic Services | Sale | 410 | $207.73 | $85,169 | |
| Mar 02, 2026 | Davis J. E. CEO and President | Sale | 10,000 | $212.52 | $2,125,200 | |
| Feb 19, 2026 | Doherty Catherine T. EVP, Regional Businesses | Sale | 1,433 | $204.83 | $293,521 | |
| Feb 19, 2026 | Plewman Patrick SVP for Diagnostic Services | Sale | 958 | $204.83 | $196,227 | |
| Feb 19, 2026 | PREVOZNIK MICHAEL E SVP & General Counsel | Sale | 1,111 | $204.83 | $227,566 | |
| Feb 13, 2026 | Doherty Catherine T. EVP, Regional Businesses | Sale | 351 | $209.10 | $73,395 | |
| Feb 13, 2026 | Doherty Catherine T. EVP, Regional Businesses | Sale | 1,619 | $208.21 | $337,093 | |
| Feb 13, 2026 | Doherty Catherine T. EVP, Regional Businesses | Sale | 3,500 | $207.08 | $724,788 | |
| Feb 13, 2026 | Doherty Catherine T. EVP, Regional Businesses | Sale | 10,122 | $206.37 | $2,088,883 | |
| Feb 13, 2026 | Doherty Catherine T. EVP, Regional Businesses | Sale | 10,573 | $205.21 | $2,169,656 | |
| Feb 10, 2026 | Plewman Patrick SVP for Diagnostic Services | Sale | 5,662 | $204.00 | $1,155,048 | |
| Nov 25, 2025 | Davis J. E. CEO and President | Sale | 4,747 | $192.97 | $916,037 | |
| Nov 25, 2025 | Davis J. E. CEO and President | Sale | 41,004 | $192.27 | $7,883,901 | |
| Nov 25, 2025 | Davis J. E. CEO and President | Sale | 9,342 | $191.59 | $1,789,823 | |
| Nov 25, 2025 | Gregg Vicky B Director | Sale | 1,250 | $191.76 | $239,700 | |
| Nov 18, 2025 | DELANEY MARK E SVP & Chief Commercial Officer | Sale | 7,946 | $187.35 | $1,488,683 | |
| Oct 22, 2025 | PFEIFFER GARY M Director | Sale | 1,482 | $182.40 | $270,317 | |
| Sep 26, 2025 | PREVOZNIK MICHAEL E SVP & General Counsel | Sale | 144 | $188.66 | $27,167 | |
| Sep 26, 2025 | PREVOZNIK MICHAEL E SVP & General Counsel | Sale | 83 | $187.22 | $15,539 | |
| Sep 24, 2025 | PREVOZNIK MICHAEL E SVP & General Counsel | Sale | 175 | $187.02 | $32,729 | |
| Sep 23, 2025 | PREVOZNIK MICHAEL E SVP & General Counsel | Sale | 28,288 | $187.12 | $5,293,313 | |
| Aug 21, 2025 | Plewman Patrick SVP for Diagnostic Services | Sale | 1,975 | $185.00 | $365,375 | |
| Aug 19, 2025 | Plewman Patrick SVP for Diagnostic Services | Sale | 4,532 | $183.00 | $829,356 | |
| Aug 15, 2025 | Plewman Patrick SVP for Diagnostic Services | Sale | 1,975 | $180.00 | $355,500 | |
| Aug 06, 2025 | Plewman Patrick SVP for Diagnostic Services | Sale | 1,975 | $175.00 | $345,625 | |
| Aug 06, 2025 | Plewman Patrick SVP for Diagnostic Services | Sale | 3,560 | $175.00 | $623,000 | |
| Jul 31, 2025 | KUPPUSAMY KARTHIK SVP, Clinical Solutions | Sale | 2,210 | $170.00 | $375,700 | |
| Jul 30, 2025 | KUPPUSAMY KARTHIK SVP, Clinical Solutions | Sale | 5,224 | $167.40 | $874,498 | |
| Jul 30, 2025 | KUPPUSAMY KARTHIK SVP, Clinical Solutions | Sale | 3,045 | $167.40 | $509,733 |
“Alert” means a voluntary, unscheduled transaction according to the filing; it is not an investment recommendation. Official source: SEC EDGAR.