InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (154 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
154
T+90 hit rate
22%
T+90 mean return
-10.2%
Across 9 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Discover the detailed record of transactions filed by Steinert Langley, Executive Chairman. Officer active across 1 company, notably CarGurus, Inc.. Aggregated, 180 disclosures have been published. Split: 0 buy · 154 sells. Total volume traded: €75.5m. Activity tracked since 30 April 2021. The latest transaction was filed on 21 May 2025 (Cession). Regulator: SEC (Form 4). The full history is free.
Declarations180 total
20,639 shares@ US$31.78910.7% of flowClass A Common StockSEC:0001127602-25-015322:0
20,639 shares@ US$32.09750.8% of flowClass A Common StockSEC:0001127602-25-015215:0
17,059 shares@ US$28.15650.5% of flowClass A Common StockSEC:0001127602-25-013987:0
18,588 shares@ US$28.01640.6% of flowClass A Common StockSEC:0001127602-25-013703:0
19,065 shares@ US$28.13310.6% of flowClass A Common StockSEC:0001127602-25-013384:0
20,640 shares@ US$28.38280.7% of flowClass A Common StockSEC:0001127602-25-012809:0
2,291 shares@ US$28.38280.1% of flowClass A Common StockSEC:0001127602-25-012809:1
20,640 shares@ US$28.48850.7% of flowClass A Common StockSEC:0001127602-25-012809:2
2,291 shares@ US$28.48850.1% of flowClass A Common StockSEC:0001127602-25-012809:3
9,575 shares@ US$27.90240.3% of flowClass A Common StockSEC:0001127602-25-012809:4
1,062 shares@ US$27.90240.0% of flowClass A Common StockSEC:0001127602-25-012809:5
20,640 shares@ US$28.16960.7% of flowClass A Common StockSEC:0001127602-25-012692:0
4,128 shares@ US$27.04670.1% of flowClass A Common StockSEC:0001127602-25-012561:0
11,286 shares@ US$29.240.4% of flowClass A Common StockSEC:0001127602-25-011347:0
19,163 shares@ US$28.86890.7% of flowClass A Common StockSEC:0001127602-25-010803:0
20,640 shares@ US$31.3320.8% of flowClass A Common StockSEC:0001127602-25-010570:0
20,640 shares@ US$30.04590.7% of flowClass A Common StockSEC:0001127602-25-010369:0
20,004 shares@ US$30.28510.7% of flowClass A Common StockSEC:0001127602-25-010162:0
20,640 shares@ US$31.15730.8% of flowClass A Common StockSEC:0001127602-25-009842:0
7,643 shares@ US$31.1250.3% of flowClass A Common StockSEC:0001127602-25-007238:0
4,537 shares@ US$29.9830.2% of flowClass A Common StockSEC:0001127602-25-006886:0
45,130 shares@ US$37.33982.1% of flowClass A Common StockSEC:0001127602-25-006359:0
49,790 shares@ US$39.85282.4% of flowClass A Common StockSEC:0001127602-25-005984:0
11,886 shares@ US$38.75590.6% of flowClass A Common StockSEC:0001127602-25-002017:0
45,407 shares@ US$38.1522.1% of flowClass A Common StockSEC:0001127602-25-001864:0
25 of 180 declarations
About Steinert Langley
Langley Steinert is an American entrepreneur and executive best known as the founder of CarGurus, which he launched in 2006. Public company materials identify him as CarGurus’ founder and long-time chief executive, and note that he transitioned from Chief Executive Officer to Executive Chairman in January 2021. In that role, he remained closely involved in the company’s long-term direction, particularly around product strategy and governance. He also serves on CarGurus’ board of directors. ([cargurus.com](https://www.cargurus.com/es/ourTeam.html?utm_source=openai)) Before CarGurus, Steinert built experience in digital marketplaces and internet businesses. He was a co-founder of TripAdvisor and held leadership responsibilities there as well. Public biographical references also indicate management roles at Viaweb, Papyrus, and Lotus Development Corp., suggesting a career that spans early internet commerce, software, and product-led technology companies. ([cargurus.com](https://www.cargurus.com/es/ourTeam.html?utm_source=openai)) At CarGurus, Steinert’s most notable achievement was guiding the company from startup stage into a scaled, publicly traded automotive marketplace. He helped shape the business around data-driven car shopping, consumer transparency, and dealer connectivity, helping CarGurus become a leading digital platform in the U.S. and beyond. Public comments from Steinert also emphasize a disciplined approach to capital, with a preference for building profitable, durable businesses rather than pursuing growth at any cost. ([cargurus.com](https://www.cargurus.com/es/ourTeam.html?utm_source=openai)) From a corporate governance perspective, Steinert is best characterized as a founder-chairman with deep platform and marketplace expertise. His background combines operating leadership, board experience, and a track record of building consumer internet brands with scale. For audiences focused on U.S. listed companies, his profile is notable for long-tenured stewardship, strategic continuity, and experience managing the transition from founder-led growth to mature public-company governance. ([cargurus.ca](https://www.cargurus.ca/fr/about/our-team?utm_source=openai))
