Brian Grassadonia
CIK 1803649 · Ecosystem Lead · last filed 2026-08-05
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
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Disclosed Exposure
$42.04M
Companies
2
Total Filings
125
Lifetime Open-Market Net
-$85.95M
Holdings By Company
Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| XYZ | Ecosystem Lead | 532,146 | $79.00 | $42.04M | -$13.22M | 18 | 2026-08-05 |
| Block, Inc. (SQ) Delisted | Cash App Lead | 556,370 | $86.96 | $48.38M | -$72.73M | 56 | 2025-01-06 |
Recent Filings · Page 11 of 13
125 filingsInsider activity across all companies, newest first. Form 4 rows are post-trade confirmations (buys, sells, grants, exercises). Notice (144) rows are pre-trade notices of intent to sell restricted or control stock under Rule 144 — they may not all execute. Compare adjacent dates to see which notices became actual sales.
| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2021-11-04 | Block, Inc. (SQ) Delisted | Mixed | — | -$955.8K | EDGAR |
| 2021-10-12 | Block, Inc. (SQ) Delisted | Mixed | −15,478 | -$4.86M | EDGAR |
| 2021-10-05 | Block, Inc. (SQ) Delisted | Tax (F) | −4,808 | -$1.15M | EDGAR |
| 2021-09-07 | Block, Inc. (SQ) Delisted | Mixed | — | -$982.7K | EDGAR |
| 2021-08-05 | Block, Inc. (SQ) Delisted | Mixed | — | -$958.1K | EDGAR |
| 2021-07-09 | Block, Inc. (SQ) Delisted | Mixed | −16,079 | -$4.95M | EDGAR |
| 2021-07-06 | Block, Inc. (SQ) Delisted | Tax (F) | −4,202 | -$1.02M | EDGAR |
| 2021-06-04 | Block, Inc. (SQ) Delisted | Mixed | — | -$965.0K | EDGAR |
| 2021-05-19 | Block, Inc. (SQ) Delisted | Mixed | −247 | -$58.0K | EDGAR |
| 2021-05-06 | Block, Inc. (SQ) Delisted | Mixed | — | -$923.9K | EDGAR |
Form 4 codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.