InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (34 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
34
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Discover the complete record of transactions filed by Grassadonia Brian, Ecosystem Lead. Insider active across 2 companies, notably Block, Inc.. Cumulatively, 66 disclosures have been recorded. Split: 0 buy · 34 sells. Total volume traded: €15.2m. History available since 4 May 2021. The latest transaction was filed on 20 August 2026 (Retenue fiscale). Regulator: SEC (Form 4). The full history is openly available.
Companies and markets linked to Grassadonia Brian
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations66 total
9,592 shares@ US$80.08Class A Common StockSEC:0001628280-26-058745:0
3,830 shares@ US$81.88Class A Common StockSEC:0001628280-26-058745:1
4,343 shares@ US$82.90Class A Common StockSEC:0001628280-26-058745:2
400 shares@ US$82.230.0001% mcap0.2% of flowClass A Common StockSEC:0001628280-26-053485:1
25,508 shares@ US$81.630.0043% mcap11.3% of flowClass A Common StockSEC:0001628280-26-053485:0
43,348 shares@ US$80.000.0074% mcap17.2% of flowClass A Common StockSEC:0001628280-26-047528:0
438 shares@ US$48.460.0000% mcap0.1% of flowClass A Common StockSEC:0001628280-26-037832:0
9,602 shares@ US$70.890.0014% mcap4.0% of flowClass A Common StockSEC:0001628280-26-037832:1
5,025 shares@ US$67.760.0007% mcap2.0% of flowClass A Common StockSEC:0001628280-26-037832:2
3,141 shares@ US$68.410.0004% mcap1.3% of flowClass A Common StockSEC:0001628280-26-037832:3
117,569 shares0Class A Common StockSEC:0001628280-26-024534:0
1,769 shares@ US$60.250.0002% mcap0.9% of flowClass A Common StockSEC:0001628280-26-024274:0
1,252 shares@ US$59.540.4% of flowClass A Common StockSEC:0001628280-26-023746:0
4,198 shares@ US$53.220.0005% mcap1.9% of flowClass A Common StockSEC:0001628280-26-011294:0
1,038 shares@ US$63.980.0001% mcap0.6% of flowClass A Common StockSEC:0001628280-26-000981:0
1 shares@ US$48.460.0% of flowClass A Common StockSEC:0001628280-25-054037:0
35,145 shares@ US$80.000.0062% mcap24.0% of flowClass A Common StockSEC:0001628280-25-044823:0
1,342 shares@ US$74.770.0002% mcap0.8% of flowClass A Common StockSEC:0001628280-25-044350:0
9,760 shares@ US$76.240.0016% mcap6.3% of flowClass A Common StockSEC:0001803649-25-000006:0
6,465 shares@ US$73.202.9% of flowClass A Common StockSEC:0001803649-25-000004:0
1,342 shares@ US$69.260.6% of flowClass A Common StockSEC:0001628280-25-034439:0
296 shares@ US$48.460.1% of flowClass A Common StockSEC:0001628280-25-027657:0
51,115 shares0Class A Common StockSEC:0001628280-25-020074:0
1,885 shares@ US$56.190.7% of flowClass A Common StockSEC:0001628280-25-016843:0
4,520 shares@ US$70.322.1% of flowClass A Common StockSEC:0001628280-25-007844:0
25 of 66 declarations
About Grassadonia Brian
Brian Grassadonia is Ecosystem Lead at Block, Inc. and Cash App Lead at Square, Inc. He has 61 filings in total, and across the 61 sampled filings from 2021-05-06 to 2026-07-07, the recorded activity consists only of sales, with total sell volume of EUR 12799358 and no buys.
