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sellWeak cluster of 210b5-1 plan

Mark S Schroeder sold $610k of LH

EVP, Pres Diagnostics & COO at LABCORP HOLDINGS INC.. 2,635 shares at an average of $231.67, traded Mar 28, 2025, filed Mar 31, 2025.

Warning score
38
Value
$610k
2,635 shares
Holdings after
4,960
-35% from before
From 52-week low
+9%
low $207.55, close $226.47
From 52-week high
-10%
high $252.84, as of Mar 28, 2025

Score components

  • Role
    COO
    +20
  • Trade size
    $610k at market
    +20
  • Share of holdings sold
    Sold 35% of holdings
    +10
  • Cluster
    2 insiders selling within 14 days
    +8
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

LHOct 9, 2026 · close 312.15
Since filing Mar 31, 2025: +36.2%SPY +41.5% · excess -5.3%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001127602-25-010624, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 27, 2025AGrant or award
Common Stock10b5-1
+4,840$0.00$09,800Mar 31, 2025
Mar 27, 2025FTax withholding
Common Stock10b5-1
-2,205$231.67$511k7,595Mar 31, 2025
Mar 28, 2025SOpen-market sale
Common Stock10b5-1
-2,635$231.67$610k4,960Mar 31, 2025

Related signals

Other insiders at LABCORP HOLDINGS INC. and this insider’s other filings.

ScoreSideCompanyInsiderValueSharesFiled
20Weaksell 210b5-1LH
LABCORP HOLDINGS INC.
Amy B. Summy
EVP, Chief Marketing Officer
$176k758
41Moderatesell 4LH
LABCORP HOLDINGS INC.
Kerrii B Anderson
director
$128k500
45Moderatesell 510b5-1LH
LABCORP HOLDINGS INC.
Mark S Schroeder
EVP, Pres Diagnostics & COO
$1.3M5,339
55Moderatesell 6LH
LABCORP HOLDINGS INC.
Sandra D van der Vaart
EVP, Chief Legal Officer
$330k1,314
17Weaksell 610b5-1LH
LABCORP HOLDINGS INC.
Amy B. Summy
EVP, Chief Marketing Officer
$57k226
40Moderatesell 5LH
LABCORP HOLDINGS INC.
Peter J Wilkinson
SVP, Chief Accounting Officer
$348k1,413
30Weaksell 410b5-1LH
LABCORP HOLDINGS INC.
Adam H Schechter
President & CEO
$1.5M6,121
8Weaksell10b5-1LH
LABCORP HOLDINGS INC.
Kerrii B Anderson
director
$235k1,000
50Moderatesell 4LH
LABCORP HOLDINGS INC.
Glenn A Eisenberg
Executive Vice President
$2.8M11,711
48Moderatesell 4LH
LABCORP HOLDINGS INC.
Dwight Gary Gilliland
director
$241k1,000

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Mark S Schroeder sold $610k of LH | InsiderTell