Brian Grassadonia

Ecosystem Lead

Brian Grassadonia (Ecosystem Lead) filed 10 Form 4 reports in the trailing twelve months (0 purchases, 10 sales), most often in Block, Inc. (XYZ). The largest single filing was $3.5M of XYZ (43,348 sh × $80.00, as filed), executed Jul 2.

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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

0 buys · 10 sells

Median delay

–

execution → disclosure

Volume, ttmiDollar value disclosed in the trailing twelve months

$11.5M

shares × price, as filed

Last traded

Aug 24

Filed Aug 24

Median ADV $442.4M across their filed names

Open performance→

Volume by month

Buys $0 Sells $15.4M

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

Sectors filed on

Technology 10 filings

Sector per market data · by filing · past 12 months

Most traded names

XYZ

Block, Inc. XYZ · 0 buys · 15 sells 15 filings SQ SQ SQ · 0 buys · 3 sells 3 filings

Recent filings

XYZSALE Block, Inc. View filing → $674K
8,173 sh across 2 lots
Exec Aug 24
Filed Aug 24 · 7:54 PM ET XYZSALE Block, Inc. View filing → $2.1M
25,508 sh × $81.63
Exec Aug 3
Filed Aug 5 · 5:02 PM ET XYZSALE Block, Inc. View filing → $3.5M
43,348 sh × $80.00
Exec Jul 2
Filed Jul 7 · 5:02 PM ET XYZSALE Block, Inc. View filing → $555K
8,166 sh across 2 lots
Exec May 22
Filed May 22 · 5:30 PM ET XYZSALE Block, Inc. View filing → $107K
1,769 sh × $60.25
Exec Apr 6
Filed Apr 8 · 5:30 PM ET XYZSALE Block, Inc. View filing → $517K
10,349 sh × $50.00
Exec Feb 24
Filed Feb 24 · 5:30 PM ET XYZSALE Block, Inc. View filing → $136K
1,983 sh × $68.52
Exec Jan 6
Filed Jan 6 · 5:30 PM ET XYZSALE Block, Inc. View filing → $898K
14,545 sh across 3 lots
Exec Nov 21 2025
Filed Nov 25 2025 · 5:30 PM ET More filings →