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Insider

Keith Katkin

Director · Emergent BioSolutions

Keith Katkin (Director) filed 1 Form 4 report in the trailing twelve months (0 purchases, 1 sale), most often in Emergent BioSolutions Inc. (EBS). The largest single filing was $128K of EBS (15,481 sh × $8.28, as filed), executed Apr 30. Data as of Nov 7 2026.

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Return, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
1
0 buys · 1 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$128K
shares × price, as filed
Last traded
Apr 30
Filed May 4

Median ADV $8.3M across their filed names

Open performance→
Volume by month
$128K$64K$0Dec 2024Jun 2025Dec 2025Jun 2026May 2026 · sells $128K
Buys $0 Sells $128K

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

Sectors filed on
Healthcare 1 filing

Sector per market data · by filing · past 12 months

Most traded names
EBS Emergent BioSolutions Inc. EBS · 0 buys · 1 sell 1 filing
Recent filings
EBSSALE Emergent BioSolutions Inc. View filing → $128K
15,481 sh × $8.28
Exec Apr 30
Filed May 4 · 5:30 PM ET