Insider · CIK 0001803649
Brian Grassadonia
officer
Files at XYZ (Block, Inc.). First filing Jan 5, 2023, latest Aug 24, 2026.
In brief
Brian Grassadonia files SEC Form 4 as officer at XYZ (Block, Inc.). Since Jan 5, 2023, Brian Grassadonia has reported 0 open-market buys worth $0 and 30 open-market sells worth $54M, the latest filed on Aug 24, 2026.
A track record needs three past buys with six months of prices behind them; Brian Grassadonia has 0, so none is measured yet.
The newest scored trade: sold $674k of XYZ on Aug 24, 2026, filed Aug 24, 2026, scored 30 (weak), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 8 sells worth $8.5M.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 30
$0 bought, $54M sold
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
XYZ: Block, Inc.
XYZOct 13, 2026 · close 76.86
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 30Weak | Block, Inc. | $674k 8,173 shares | -2% | +66% from low-4% from high | |
| 35Weak | Block, Inc. | $2.1M 25,908 shares | -5% | +67% from low-1% from high | |
| 28Weak | Block, Inc. | $3.5M 43,348 shares | -7% | +61% from low-3% from high | |
| 29Weak | Block, Inc. | $555k 8,166 shares | -1% | +39% from low-16% from high | |
| 13Weak | Block, Inc. | $107k 1,769 shares | -0% | +30% from low-25% from high | |
| 21Weak | Block, Inc. | $517k 10,349 shares | -2% | +10% from low-37% from high | |
| 22Weak | Block, Inc. | $202k 3,021 shares | -1% | +40% from low-30% from high | |
| 34Weak | Block, Inc. | $898k 14,545 shares | -3% | +33% from low-37% from high | |
| 35Weak | Block, Inc. | $2.8M 35,145 shares | -6% | +74% from low-18% from high | |
| 23Weak | Block, Inc. | $229k 3,021 shares | -1% | +65% from low-22% from high | |
| 31Weak | Block, Inc. | $744k 9,760 shares | -2% | +64% from low-23% from high | |
| 47Moderate | Block, Inc. | $473k 6,465 shares | -1% | +59% from low-25% from high | |
| 40Moderate | Block, Inc. | $93k 1,342 shares | -0% | +49% from low-30% from high | |
| 45Moderate | Block, Inc. | $366k 6,494 shares | -1% | +19% from low-44% from high | |
| 40Moderate | Block, Inc. | $106k 1,885 shares | -0% | +7% from low-42% from high | |
| 29Weak | Block, Inc. | $539k 7,773 shares | -1% | - | |
| 26Weak | Block, Inc. | $379k 4,236 shares | -1% | - | |
| 35Weak | Block, Inc. | $1.1M 11,616 shares | -2% | - | |
| 15Weak | Block, Inc. | $29k 341 shares | -0% | - | |
| 23Weak | Block, Inc. | $275k 4,235 shares | -1% | +66% from low-24% from high | |
| 32Weak | Block, Inc. | $753k 11,616 shares | -2% | +67% from low-23% from high | |
| 23Weak | Block, Inc. | $273k 4,236 shares | -1% | +65% from low-25% from high | |
| 32Weak | Block, Inc. | $817k 11,655 shares | -2% | +82% from low-17% from high | |
| 10Weak | Block, Inc. | $7.7M 113,668 shares | -16% | +70% from low-22% from high | |
| 25Weak | Block, Inc. | $9.9M 120,021 shares | -20% | +108% from low-5% from high | |
| 25Weak | Block, Inc. | $8.7M 111,914 shares | -20% | +96% from low-5% from high | |
| 25Weak | Block, Inc. | $8.5M 130,463 shares | -24% | +68% from low-19% from high | |
| 31Weak | Block, Inc. | $744k 10,483 shares | -4% | +84% from low-18% from high | |
| 41Moderate | Block, Inc. | $154k 2,639 shares | -1% | +50% from low-34% from high | |
| 29Weak | Block, Inc. | $568k 8,709 shares | -4% | +25% from low-61% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Aug 24, 2026 | XYZ BLOCK, INC. | 8,173 0.00% of outstanding | $674k | Aug 24, 2026 | $5.6M |
| Aug 3, 2026 | XYZ BLOCK, INC. | 25,908 0.00% of outstanding | $2.1M | Aug 3, 2026 | $4.0M |
| Jul 2, 2026 | XYZ BLOCK, INC. | 43,348 0.01% of outstanding | $3.5M | Jul 2, 2026 | $662k |
| May 22, 2026 | XYZ BLOCK, INC. | 8,166 0.00% of outstanding | $555k | May 22, 2026 | $624k |
| Apr 6, 2026 | XYZ BLOCK, INC. | 1,769 0.00% of outstanding | $107k | Apr 6, 2026 | $517k |
| Feb 24, 2026 | XYZ BLOCK, INC. | 10,349 0.00% of outstanding | $517k | Feb 24, 2026 | $202k |
| Jan 6, 2026 | XYZ BLOCK, INC. | 1,983 0.00% of outstanding | $136k | Jan 6, 2026 | $3.8M |
| Jan 5, 2026 | XYZ Block, Inc. | 1,038 0.00% of outstanding | $66k | Jan 2, 2026 | $3.7M |
| Nov 24, 2025 | XYZ Block, Inc. | 6,460 0.00% of outstanding | $397k | Nov 21, 2025 | $4.3M |
| Nov 24, 2025 | XYZ BLOCK, INC. | 8,085 0.00% of outstanding | $501k | Nov 24, 2025 | $4.2M |
| Oct 8, 2025 | XYZ BLOCK, INC. | 35,145 0.01% of outstanding | $2.8M | Oct 8, 2025 | $1.4M |
| Oct 3, 2025 | XYZ Block, Inc. | 1,342 0.00% of outstanding | $100k | Oct 2, 2025 | $1.2M |
| Oct 3, 2025 | XYZ BLOCK, INC. | 1,679 0.00% of outstanding | $129k | Oct 3, 2025 | $1.3M |
| Sep 2, 2025 | XYZ BLOCK, INC. | 9,760 0.00% of outstanding | $744k | Sep 2, 2025 | $566k |
| Aug 22, 2025 | XYZ Block, Inc. | 6,465 0.00% of outstanding | $473k | Aug 21, 2025 | $93k |
| Jul 3, 2025 | XYZ Block, Inc. | 1,342 0.00% of outstanding | $93k | Jul 2, 2025 | $472k |
| May 22, 2025 | XYZ Block, Inc. | 6,494 0.00% of outstanding | $366k | May 21, 2025 | $645k |
| Apr 2, 2025 | XYZ Block, Inc. | 1,885 0.00% of outstanding | $106k | Apr 2, 2025 | $918k |
| Feb 24, 2025 | XYZ BLOCK, INC. | 3,253 0.00% of outstanding | $221k | Feb 24, 2025 | $697k |
| Feb 21, 2025 | XYZ Block, Inc. | 3,828 0.00% of outstanding | $318k | Feb 21, 2025 | $1.4M |
| Jan 3, 2025 | XYZ BLOCK, INC. | 2,887 0.00% of outstanding | $262k | Jan 3, 2025 | $1.2M |
| Jan 2, 2025 | XYZ Block, Inc. | 1,333 0.00% of outstanding | $113k | Jan 2, 2025 | $1.4M |
| Nov 22, 2024 | XYZ Block, Inc. | 5,047 0.00% of outstanding | $461k | Nov 21, 2024 | $1.4M |
| Nov 22, 2024 | XYZ BLOCK, INC. | 3,288 0.00% of outstanding | $303k | Nov 22, 2024 | $1.1M |
| Nov 21, 2024 | XYZ BLOCK, INC. | 3,281 0.00% of outstanding | $298k | Nov 21, 2024 | $517k |
Transactions
The newest 50 of 90 rows this insider has filed.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Aug 20, 2026 | XYZ Block, Inc. | FTax withholding Class A Common Stock10b5-1 | -9,592 | $80.08 | $768k | 522,154 | Aug 24, 2026 |
| Aug 24, 2026 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -3,830 | $81.88 | $314k | 518,324 | Aug 24, 2026 |
| Aug 24, 2026 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -4,343 | $82.90 | $360k | 513,981 | Aug 24, 2026 |
| Aug 3, 2026 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -25,508 | $81.63 | $2.1M | 532,146 | Aug 5, 2026 |
| Aug 3, 2026 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -400 | $82.23 | $33k | 531,746 | Aug 5, 2026 |
| Jul 2, 2026 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -43,348 | $80.00 | $3.5M | 557,654 | Jul 7, 2026 |
| May 15, 2026 | XYZ Block, Inc. | AGrant or award Class A Common Stock10b5-1 | +438 | $48.46 | $21k | 618,770 | May 22, 2026 |
| May 20, 2026 | XYZ Block, Inc. | FTax withholding Class A Common Stock10b5-1 | -9,602 | $70.89 | $681k | 609,168 | May 22, 2026 |
| May 22, 2026 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -5,025 | $67.76 | $340k | 604,143 | May 22, 2026 |
| May 22, 2026 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -3,141 | $68.41 | $215k | 601,002 | May 22, 2026 |
| Apr 7, 2026 | XYZ Block, Inc. | AGrant or award Class A Common Stock | +117,569 | $0.00 | $0 | 618,332 | Apr 9, 2026 |
| Apr 6, 2026 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -1,769 | $60.25 | $107k | 500,763 | Apr 8, 2026 |
| Apr 1, 2026 | XYZ Block, Inc. | FTax withholding Class A Common Stock | -1,252 | $59.54 | $75k | 502,532 | Apr 3, 2026 |
| Feb 20, 2026 | XYZ Block, Inc. | FTax withholding Class A Common Stock10b5-1 | -4,198 | $53.22 | $223k | 514,133 | Feb 24, 2026 |
| Feb 24, 2026 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -10,349 | $50.00 | $517k | 503,784 | Feb 24, 2026 |
| Jan 2, 2026 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -1,038 | $63.98 | $66k | 520,314 | Jan 6, 2026 |
| Jan 6, 2026 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -1,983 | $68.52 | $136k | 518,331 | Jan 6, 2026 |
| Nov 14, 2025 | XYZ Block, Inc. | AGrant or award Class A Common Stock10b5-1 | +1 | $48.46 | $48 | 535,897 | Nov 25, 2025 |
| Nov 21, 2025 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -6,460 | $61.40 | $397k | 529,437 | Nov 25, 2025 |
| Nov 24, 2025 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -6,263 | $61.83 | $387k | 523,174 | Nov 25, 2025 |
| Nov 24, 2025 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -1,822 | $62.41 | $114k | 521,352 | Nov 25, 2025 |
| Oct 8, 2025 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -35,145 | $80.00 | $2.8M | 535,896 | Oct 10, 2025 |
| Oct 2, 2025 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -1,342 | $74.77 | $100k | 572,720 | Oct 6, 2025 |
| Oct 3, 2025 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -1,679 | $76.69 | $129k | 571,041 | Oct 6, 2025 |
| Sep 2, 2025 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -9,760 | $76.24 | $744k | 574,062 | Sep 4, 2025 |
| Aug 21, 2025 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock | -6,465 | $73.20 | $473k | 583,822 | Aug 25, 2025 |
| Jul 2, 2025 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock | -1,342 | $69.26 | $93k | 590,287 | Jul 7, 2025 |
| May 15, 2025 | XYZ Block, Inc. | AGrant or award Class A Common Stock | +296 | $48.46 | $14k | 598,123 | May 23, 2025 |
| May 21, 2025 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock | -6,494 | $56.39 | $366k | 591,629 | May 23, 2025 |
| Apr 23, 2025 | XYZ Block, Inc. | AGrant or award Class A Common Stock | +51,115 | $0.00 | $0 | 597,827 | Apr 25, 2025 |
| Apr 23, 2025 | XYZ Block, Inc. | AGrant or award Stock Option (right to buy)derivative | +105,480 | $0.00 | $0 | 105,480 | Apr 25, 2025 |
| Apr 2, 2025 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock | -1,885 | $56.19 | $106k | 546,712 | Apr 4, 2025 |
| Feb 21, 2025 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -4,520 | $70.32 | $318k | 551,850 | Feb 25, 2025 |
| Feb 24, 2025 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -3,253 | $68.01 | $221k | 548,597 | Feb 25, 2025 |
| Jan 2, 2025 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -1,349 | $86.52 | $117k | 559,257 | Jan 6, 2025 |
| Jan 3, 2025 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -2,887 | $90.80 | $262k | 556,370 | Jan 6, 2025 |
| Nov 21, 2024 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -3,281 | $90.79 | $298k | 568,941 | Nov 25, 2024 |
| Nov 21, 2024 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -5,047 | $91.43 | $461k | 563,894 | Nov 25, 2024 |
| Nov 22, 2024 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -3,288 | $92.29 | $303k | 560,606 | Nov 25, 2024 |
| Nov 18, 2024 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -341 | $83.67 | $29k | 572,222 | Nov 20, 2024 |
| Oct 2, 2024 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -1,884 | $65.41 | $123k | 574,914 | Oct 4, 2024 |
| Oct 3, 2024 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -2,351 | $64.39 | $151k | 572,563 | Oct 4, 2024 |
| Aug 21, 2024 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -5,047 | $64.70 | $327k | 583,367 | Aug 23, 2024 |
| Aug 21, 2024 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -3,281 | $64.88 | $213k | 580,086 | Aug 23, 2024 |
| Aug 22, 2024 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -3,288 | $65.00 | $214k | 576,798 | Aug 23, 2024 |
| Jul 2, 2024 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -1,889 | $64.37 | $122k | 590,761 | Jul 5, 2024 |
| Jul 3, 2024 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -2,347 | $64.41 | $151k | 588,414 | Jul 5, 2024 |
| May 15, 2024 | XYZ Block, Inc. | AGrant or award Class A Common Stock10b5-1 | +444 | $47.86 | $21k | 604,305 | May 23, 2024 |
| May 21, 2024 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -5,155 | $71.26 | $367k | 599,150 | May 23, 2024 |
| May 22, 2024 | XYZ Block, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -3,304 | $68.29 | $226k | 595,846 | May 23, 2024 |
50 of 90 rows shown.
Questions about Brian Grassadonia
Answered from the filings on this page, as of the latest one.
Is Brian Grassadonia buying or selling?
In the last 12 months Brian Grassadonia reported 0 open-market buys worth $0 and 8 open-market sells worth $8.5M on SEC Form 4; the latest was sold $674k of XYZ on Aug 24, 2026. Grants, option exercises and tax withholding are not counted.
How did Brian Grassadonia's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Brian Grassadonia has 0.
Where does Brian Grassadonia file Form 4?
Brian Grassadonia has filed Form 4 at XYZ (Block, Inc.) as Cash App Lead. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.