InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (2 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
2
T+90 hit rate
100%
T+90 mean return
+11.6%
Across 3 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the full record of transactions filed by PFEIFFER GARY M, Director. Insider active across 1 company, notably Quest Diagnostics INC. Aggregated, 9 disclosures have been recorded. Split: 0 buy · 2 sells. Total volume traded: €466k. Activity tracked since 25 May 2021. The latest transaction was disclosed on 22 October 2025 (Cession). Regulator: SEC (Form 4). All data is accessible without signup.
Declarations9 total
1,482 shares@ US$182.4050.0% of flowCommon StockSEC:0001022079-25-000228
1,482 shares@ US$182.400.0012% mcap50.0% of flowCommon StockSEC:0001022079-25-000228:0
1,203 shares0Common StockSEC:0001022079-25-000142:0
1,482 shares0Common StockSEC:0001022079-24-000127:0
1,369 shares0Common StockSEC:0001022079-23-000113:0
1,292 shares0Common StockSEC:0001022079-22-000093:0
1,363 shares0Common StockSEC:0001022079-21-000096:0
1,363 shares0Common StockSEC:0001022079-21-000096
494 sharesCommon StockSEC:0001022079-16-000165:0
9 of 9 declarations
About PFEIFFER GARY M
Gary M. Pfeiffer is a Board Member at Quest Diagnostics Inc. He brings significant expertise in corporate governance and strategy. His role involves overseeing the company's operations and contributing to strategic decision-making. With a career focused on enhancing organizational performance, he plays a key role in guiding the company's future direction.
