InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (6 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
6
T+90 hit rate
25%
T+90 mean return
-3.9%
Across 12 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Discover the complete record of transactions filed by Schroeder Mark S, Chief Executive Officer. Officer active across 2 companies, notably Laboratory CORP of America Holdings. Cumulatively, 28 reports have been published. Breakdown: 0 buy · 6 sells. Total volume traded: €2.4m. History available since 15 February 2022. The latest transaction was filed on 26 March 2026 (Attribution). Regulator: SEC (Form 4). All data is free.
Companies and markets linked to Schroeder Mark S
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations28 total
9,304 shares0Common StockSEC:0000920148-26-000124:0
806 sharesCommon StockSEC:0000920148-26-000087:0
743 sharesCommon StockSEC:0000920148-26-000029:0
4,840 shares0Common StockSEC:0001127602-25-010624:0
3,903 shares@ US$131.43100.0% of flowCommon StockSEC:0001127602-25-007615:0
473 sharesCommon StockSEC:0001127602-25-004536:0
6,477 shares@ US$217.2947.1% of flowCommon StockSEC:0001127602-24-012006:0
11,556 sharesCommon StockSEC:0000920148-24-000023:0
2,119 shares@ US$117.098.2% of flowCommon StockSEC:0001127602-24-009301:0
472 sharesCommon StockSEC:0001127602-24-004638:0
517 sharesCommon StockSEC:0001127602-24-003954:0
495 sharesCommon StockSEC:0001127602-24-003545:0
1,500 shares@ US$130.606.5% of flowCommon StockSEC:0001127602-23-016422:0
6,763 shares0Common StockSEC:0001127602-23-011746:0
309 shares@ US$247.632.6% of flowCommon StockSEC:0001127602-23-005485:0
423 sharesCommon StockSEC:0001127602-23-005100:0
409 shares@ US$243.013.3% of flowCommon StockSEC:0001127602-23-004096:0
560 sharesCommon StockSEC:0001127602-23-003700:0
443 sharesCommon StockSEC:0001127602-23-003538:0
1,116 shares@ US$232.679.3% of flowCommon StockSEC:0001127602-22-025222:0
2,010 sharesCommon StockSEC:0001127602-22-025109:0
2,356 shares@ US$277.110.0029% mcap92.1% of flowCommon StockSEC:0001127602-22-010699:0
4,241 shares0Common StockSEC:0001127602-22-010502:0
207 shares@ US$273.980.0002% mcap7.9% of flowCommon StockSEC:0001127602-22-005446:0
284 sharesCommon StockSEC:0001127602-22-005020:0
25 of 28 declarations
About Schroeder Mark S
Mark S. Schroeder is the Chief Executive Officer at Laboratory Corp of America Holdings. He is responsible for the strategic direction of the company, which specializes in diagnostic and laboratory services. Laboratory Corp of America is a key player in the healthcare sector.
