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Donald Michael Westermann

Chief Information Officer

Donald Michael Westermann (Chief Information Officer) filed 2 Form 4 reports in the trailing twelve months (0 purchases, 2 sales), most often in Eastern Bankshares, Inc. (EBC). The largest single filing was $720K of EBC (33,412 sh across 2 lots, as filed), executed Sep 1.

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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
2
0 buys · 2 sells
Median delay
–
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$1.1M
shares × price, as filed
Last traded
Sep 1
Filed Sep 2

Median ADV $74.6M across their filed names

Open performance→
Volume by month
$720K$360K$0Oct 2024Apr 2025Oct 2025Apr 2026Jan 2026 · sells $427KSep 2026 · sells $720K
Buys $0 Sells $1.1M

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

Sectors filed on
Financial Services 2 filings

Sector per market data · by filing · past 12 months

Most traded names
EBC Eastern Bankshares, Inc. EBC · 0 buys · 2 sells 2 filings
Recent filings
EBCSALE Eastern Bankshares, Inc. View filing → $720K
33,412 sh across 2 lots
Exec Sep 1
Filed Sep 2 · 4:15 PM ET EBCSALE Eastern Bankshares, Inc. View filing → $427K
21,256 sh × $20.11
Exec Jan 28
Filed Jan 29 · 5:30 PM ET