Keith A. Meister

Director · Illumina

Keith A. Meister (Director) filed 13 Form 4 reports in the trailing twelve months (5 purchases, 8 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. Data as of Nov 8 2026.

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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

5 buys · 8 sells

Median delay

execution → disclosure

Volume, ttmiDollar value disclosed in the trailing twelve months

$791.3M

shares × price, as filed

Last traded

Nov 4

Filed Nov 5

Median ADV $389.2M across their filed names

Impact on $10,000 · 12M

$12,984 (+29.8%)

S&P 500 $10,907 (+9.1%) · 20.8 pts ahead

Keith A. Meister S&P 500

Derived: compounded across filings from disclosure dates · past 12 months

Open performance→

Volume by month

Buys $149.0M Sells $671.2M

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

Sectors filed on

Healthcare 10 filings Consumer Cyclical 2 filings Industrials 1 filing

Sector per market data · by filing · past 12 months

Most traded names

ILMN

Illumina, Inc. ILMN · 0 buys · 7 sells 7 filings MGM

MGM Resorts International MGM · 1 buy · 4 sells 5 filings WGS

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

Vestis Corporation VSTS · 3 buys · 0 sells 3 filings

Recent filings

ILMNSALE Illumina, Inc. View filing → $66.6M
281,433 sh across 13 lots
Exec Nov 3
Filed Nov 5 · 5:15 PM ET MGMPURCHASE MGM Resorts International View filing → $51.7M
1,745,592 sh across 3 lots
Exec Oct 30
Filed Nov 3 · 4:35 PM ET ILMNSALE Illumina, Inc. View filing → $57.2M
263,560 sh across 12 lots
Exec Sep 2
Filed Sep 4 · 6:43 PM ET ILMNSALE Illumina, Inc. View filing → $85.1M
375,474 sh across 11 lots
Exec Aug 25
Filed Aug 27 · 7:35 PM ET ILMNSALE Illumina, Inc. View filing → $145.6M
679,574 sh across 28 lots
Exec Aug 19
Filed Aug 21 · 7:42 PM ET ILMNSALE Illumina, Inc. View filing → $148.2M
741,127 sh across 14 lots
Exec Aug 4
Filed Aug 6 · 4:54 PM ET ILMNSALE Illumina, Inc. View filing → $107.0M
669,596 sh across 17 lots
Exec May 28
Filed Jun 1 · 5:30 PM ET WGSPURCHASE GeneDx Holdings Corp. View filing → $13.8M
351,273 sh across 6 lots
Exec May 13
Filed May 15 · 7:07 PM ET More filings →