SB
Susan Bobulsky (Chief Commercial Officer, MRD) filed 5 Form 4 reports in the trailing twelve months (0 purchases, 5 sales), most often in Adaptive Biotechnologies Corporation (ADPT). The largest single filing was $544K of ADPT (41,338 sh × $13.17, as filed), executed Mar 11. Data as of Nov 8 2026.
Add to watchlistReturn, 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
5
0 buys · 5 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$1.2M
shares × price, as filed
Last traded
Oct 6
Filed Oct 8
Median ADV $72.7M across their filed names
Open performance→Volume by month
Buys $0
Sells $1.3M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Healthcare
5 filings
Sector per market data · by filing · past 12 months
Most traded names
ADPTRecent filings
ADPTSALE
Adaptive Biotechnologies Corporation
View filing →
$193K6,444 sh × $30.00
Exec Oct 6
Filed Oct 8 · 6:52 PM ET ADPTSALE Adaptive Biotechnologies Corporation View filing → $115K
5,000 sh × $23.00
Exec Jul 16
Filed Jul 20 · 7:19 PM ET ADPTSALE Adaptive Biotechnologies Corporation View filing → $102K
5,000 sh × $20.50
Exec Jun 25
Filed Jun 29 · 5:30 PM ET ADPTSALE Adaptive Biotechnologies Corporation View filing → $198K
11,000 sh × $18.00
Exec Jun 4
Filed Jun 8 · 5:30 PM ET ADPTSALE Adaptive Biotechnologies Corporation View filing → $544K
41,338 sh × $13.17
Exec Mar 11
Filed Mar 13 · 5:30 PM ET ADPTSALE Adaptive Biotechnologies Corporation View filing → $182K
26,023 sh × $6.98
Exec Mar 5 2025
Filed Mar 6 2025 · 5:30 PM ET