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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
11
4 buys · 7 sells
Median delay
2d
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
$13.0k$10.1k$7.3kSep 22 2025Mar 23Sep 21
Keith A. Meister S&P 500

Compounded across filings from disclosure dates · past 12 months

Open performance
Volume by month
$378.9M$189.4M$0Oct 2024Apr 2025Oct 2025Apr 2026Dec 2024 · sells $1.9MMay 2025 · buys $16.5MJun 2025 · sells $1.9MSep 2025 · sells $8.6MDec 2025 · buys $6.9MMar 2026 · buys $13.3MMar 2026 · sells $1.3MMay 2026 · buys $60.6MMay 2026 · sells $47.9MJun 2026 · sells $107.0MAug 2026 · sells $378.9MSep 2026 · sells $57.2M
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
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
ILMNSALE Illumina, Inc. View filing → $47.9M
329,280 sh across 8 lots
Exec May 13
Filed May 14 · 5:30 PM ET
WGSPURCHASE GeneDx Holdings Corp. View filing → $46.8M
1,204,615 sh across 12 lots
Exec May 7
Filed May 11 · 9:21 PM ET
More filings →