Gary M. Pfeiffer
CIK: 0001127304
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
QUEST DIAGNOSTICS INC
Discretionary Trading P&L
Holdings
Transaction History (5 total)
- Oct 26, 2026DGX
QUEST DIAGNOSTICS INC
Sale(S)Direct1.2K shares at avg. $243.00$292K - May 20, 2026DGX
QUEST DIAGNOSTICS INC
Award(A)Direct1.1K shares- - Oct 23, 2025DGX
QUEST DIAGNOSTICS INC
Discretionary(I)DirectPhantom Stock
4.4K shares at avg. $190.58- - Oct 22, 2025DGX
QUEST DIAGNOSTICS INC
Sale(S)Direct1.5K shares at avg. $182.40$270K - May 15, 2025DGX
QUEST DIAGNOSTICS INC
Award(A)Direct1.2K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 26, 2026 | DGX QUEST DIAGNOSTICS INC | Sale(S) | 1,203 | $243.00 | $292,329 | Direct |
| May 20, 2026 | DGX QUEST DIAGNOSTICS INC | Award(A) | 1,142 | - | $0 | Direct |
| Oct 23, 2025 | DGX QUEST DIAGNOSTICS INC | Discretionary(I) Phantom Stock | 4,413 | $190.58 | - | Direct |
| Oct 22, 2025 | DGX QUEST DIAGNOSTICS INC | Sale(S) | 1,482 | $182.40 | $270,317 | Direct |
| May 15, 2025 | DGX QUEST DIAGNOSTICS INC | Award(A) | 1,203 | - | - | Direct |
1-5 of 5 transactions
About PFEIFFER GARY M
PFEIFFER GARY M (SEC CIK 0001127304) files insider reports with the SEC as Director of QUEST DIAGNOSTICS INC (DGX).
Signal8 holds 4 ownership filings by PFEIFFER GARY M, all Form 4s, filed between May 19, 2025 and Oct 28, 2026. Those filings report 5 transactions, from May 15, 2025 to Oct 26, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on PFEIFFER GARY M's filings is in SECAUCUS, NJ.
Recent filings by PFEIFFER GARY M
- Oct 26, 2026: Open-market sale of DGX shares (Form 4, code S).
- May 20, 2026: Grant or award of DGX shares (Form 4, code A).
- Oct 23, 2025: Discretionary transaction transaction of DGX derivative securities (Form 4, code I).
- Oct 22, 2025: Open-market sale of DGX shares (Form 4, code S).
- May 15, 2025: Grant or award of DGX shares (Form 4, code A).
Other insiders filing for QUEST DIAGNOSTICS INC (DGX)
- CARTER ROBERT B, Director
- SAMAD SAM, Executive Vice President & CFO
- Gregg Vicky B, Director
- KUPPUSAMY KARTHIK, SVP, Clinical Solutions
- Lassiter Wright III, Director
- Plewman Patrick, SVP for Diagnostic Services