Keith A. Meister

Director

Keith A. Meister (Director) filed 11 Form 4 reports in the trailing twelve months (4 purchases, 7 sales), most often in Illumina, Inc. (ILMN). Across 4 priced purchase filings, the average 21-session return was +22.8% from execution and +20.9% from disclosure (delay-adjusted; derived). The largest single filing was $148.2M of ILMN (741,127 sh across 14 lots, as filed), executed Aug 4.

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Return, ttmiAverage return per filing, trailing twelve months

+22.8%

avg across 4 priced filings

Delay-adjustediThe same average, entered at disclosure dates

+20.9%

same 4 filings, from disclosure

Filings, ttm

4 buys · 7 sells

Median delay

execution → disclosure

Volume, ttmiDollar value disclosed in the trailing twelve months

$673.0M

shares × price, as filed

Last traded

Sep 4

Filed Sep 4

Median ADV $389.2M across their filed names

Impact on $10,000 · 12M

$12,984 (+29.8%)

S&P 500 $11,725 (+17.2%) · 12.6 pts ahead

Keith A. Meister S&P 500

Compounded across filings from disclosure dates · past 12 months

Open performance→

Volume by month

Buys $97.2M Sells $604.6M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on

Healthcare 9 filings Consumer Cyclical 1 filing Industrials 1 filing

Sector per market data · by filing · past 12 months

Most traded names

ILMN

Illumina, Inc. ILMN · 0 buys · 6 sells 6 filings MGM

MGM Resorts International MGM · 0 buys · 4 sells 4 filings WGS

GeneDx Holdings Corp. WGS · 4 buys · 0 sells 4 filings VSTS

Vestis Corporation VSTS · 3 buys · 0 sells 3 filings

Recent filings

MGMSALE MGM Resorts International View filing → $1.3M
37,500 sh × $34.27
Exec Mar 9
Filed Mar 9 · 5:30 PM ET WGSPURCHASE GeneDx Holdings Corp. View filing → $13.3M
167,847 sh across 6 lots
Exec Mar 3
Filed Mar 5 · 7:19 PM ET VSTSPURCHASE Vestis Corporation View filing → $6.9M
1,010,064 sh across 2 lots
Exec Dec 16 2025
Filed Dec 17 2025 · 6:20 PM ET MGMSALE MGM Resorts International View filing → $8.6M
242,000 sh × $35.42
Exec Sep 11 2025
Filed Sep 11 2025 · 5:30 PM ET MGMSALE MGM Resorts International View filing → $1.9M
59,634 sh × $32.09
Exec Jun 13 2025
Filed Jun 13 2025 · 5:30 PM ET VSTSPURCHASE Vestis Corporation View filing → $4.8M
800,675 sh across 3 lots
Exec May 23 2025
Filed May 28 2025 · 5:30 PM ET VSTSPURCHASE Vestis Corporation View filing → $6.1M
995,347 sh across 2 lots
Exec May 8 2025
Filed May 12 2025 · 5:30 PM ET WGSPURCHASE GeneDx Holdings Corp. View filing → $5.6M
100,000 sh across 3 lots
Exec May 8 2025
Filed May 12 2025 · 5:30 PM ET More filings →