Brian Grassadonia, Ecosystem Lead at Block, Inc. ($XYZ), sold about $6.4 million worth of company shares on the open market in 14 transactions over the last year. His most recent sale occurred on February 24, 2026. These sales rank him 1,602nd among 11,678 individual insiders in our database, where the average is $8.6 million across about 6.4 transactions. Grassadonia made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 1, 2026 | Block, Inc. | $XYZ | Grassadonia Brian | Ecosystem Lead | F | Class A Common Stock | 1252 | $59.54 | 502,532.0000 | 625,256,000 | 0.25% | 0.00% |
| Feb. 24, 2026 | Block, Inc. | $XYZ | Grassadonia Brian | Ecosystem Lead | S | Class A Common Stock | 10349 | $50.00 | 503,784.0000 | 625,256,000 | 2.01% | 0.00% |
| Feb. 20, 2026 | Block, Inc. | $XYZ | Grassadonia Brian | Ecosystem Lead | F | Class A Common Stock | 4198 | $53.22 | 514,133.0000 | 625,256,000 | 0.81% | 0.00% |
| Jan. 2, 2026 | Block, Inc. | $XYZ | Grassadonia Brian | Ecosystem Lead | S | Class A Common Stock | 1038 | $63.98 | 520,314.0000 | 625,256,000 | 0.20% | 0.00% |
| Jan. 6, 2026 | Block, Inc. | $XYZ | Grassadonia Brian | Ecosystem Lead | S | Class A Common Stock | 1983 | $68.52 | 518,331.0000 | 625,256,000 | 0.38% | 0.00% |
| Nov. 24, 2025 | Block, Inc. | $XYZ | Grassadonia Brian | Ecosystem Lead | S | Class A Common Stock | 1822 | $62.41 | 521,352.0000 | 625,256,000 | 0.35% | 0.00% |
| Nov. 21, 2025 | Block, Inc. | $XYZ | Grassadonia Brian | Ecosystem Lead | S | Class A Common Stock | 6460 | $61.40 | 529,437.0000 | 625,256,000 | 1.21% | 0.00% |
| Nov. 14, 2025 | Block, Inc. | $XYZ | Grassadonia Brian | Ecosystem Lead | A | Class A Common Stock | 1 | $48.46 | 535,897.0000 | 625,256,000 | 0.00% | 0.00% |
| Nov. 24, 2025 | Block, Inc. | $XYZ | Grassadonia Brian | Ecosystem Lead | S | Class A Common Stock | 6263 | $61.83 | 523,174.0000 | 625,256,000 | 1.18% | 0.00% |
| Oct. 8, 2025 | Block, Inc. | $XYZ | Grassadonia Brian | Ecosystem Lead | S | Class A Common Stock | 35145 | $80.00 | 535,896.0000 | 625,256,000 | 6.15% | 0.01% |
| Oct. 2, 2025 | Block, Inc. | $XYZ | Grassadonia Brian | Ecosystem Lead | S | Class A Common Stock | 1342 | $74.77 | 572,720.0000 | 625,256,000 | 0.23% | 0.00% |
| Oct. 3, 2025 | Block, Inc. | $XYZ | Grassadonia Brian | Ecosystem Lead | S | Class A Common Stock | 1679 | $76.69 | 571,041.0000 | 625,256,000 | 0.29% | 0.00% |
| Sept. 2, 2025 | Block, Inc. | $XYZ | Grassadonia Brian | Ecosystem Lead | S | Class A Common Stock | 9760 | $76.24 | 574,062.0000 | 636,390,000 | 1.67% | 0.00% |
| Aug. 21, 2025 | Block, Inc. | $XYZ | Grassadonia Brian | Ecosystem Lead | S | Class A Common Stock | 6465 | $73.20 | 583,822.0000 | 636,390,000 | 1.10% | 0.00% |
| July 2, 2025 | Block, Inc. | $XYZ | Grassadonia Brian | Ecosystem Lead | S | Class A Common Stock | 1342 | $69.26 | 590,287.0000 | 636,390,000 | 0.23% | 0.00% |
| May 21, 2025 | Block, Inc. | $XYZ | Grassadonia Brian | Ecosystem Lead | S | Class A Common Stock | 6494 | $56.39 | 591,629.0000 | 636,390,000 | 1.09% | 0.00% |
| May 15, 2025 | Block, Inc. | $XYZ | Grassadonia Brian | Ecosystem Lead | A | Class A Common Stock | 296 | $48.46 | 598,123.0000 | 636,390,000 | 0.05% | 0.00% |
| April 23, 2025 | Block, Inc. | $XYZ | Grassadonia Brian | Ecosystem Lead | A | Class A Common Stock | 51115 | $0.00 | 597,827.0000 | 636,390,000 | 9.35% | 0.01% |
| April 23, 2025 | Block, Inc. | $XYZ | Grassadonia Brian | Ecosystem Lead | A | Stock Option (right to buy) | 105480 | $0.00 | 105,480.0000 | 636,390,000 | 9999.99% | 0.02% |
| April 2, 2025 | Block, Inc. | $XYZ | Grassadonia Brian | Ecosystem Lead | S | Class A Common Stock | 1885 | $56.19 | 546,712.0000 | 636,390,000 | 0.34% | 0.00% |
| Feb. 21, 2025 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 4520 | $70.32 | 551,850.0000 | 636,390,000 | 0.81% | 0.00% |
| Feb. 24, 2025 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 3253 | $68.01 | 548,597.0000 | 636,390,000 | 0.59% | 0.00% |
| Jan. 3, 2025 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 2887 | $90.80 | 556,370.0000 | 636,390,000 | 0.52% | 0.00% |
| Jan. 2, 2025 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 1349 | $86.52 | 559,257.0000 | 636,390,000 | 0.24% | 0.00% |
| Nov. 21, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 5047 | $91.43 | 563,894.0000 | 635,419,000 | 0.89% | 0.00% |
| Nov. 21, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 3281 | $90.79 | 568,941.0000 | 635,419,000 | 0.57% | 0.00% |
| Nov. 22, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 3288 | $92.29 | 560,606.0000 | 635,419,000 | 0.58% | 0.00% |
| Nov. 18, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 341 | $83.67 | 572,222.0000 | 635,419,000 | 0.06% | 0.00% |
| Oct. 2, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 1884 | $65.41 | 574,914.0000 | 635,419,000 | 0.33% | 0.00% |
| Oct. 3, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 2351 | $64.39 | 572,563.0000 | 635,419,000 | 0.41% | 0.00% |
| Aug. 22, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 3288 | $65.00 | 576,798.0000 | 614,024,000 | 0.57% | 0.00% |
| Aug. 21, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 5047 | $64.70 | 583,367.0000 | 614,024,000 | 0.86% | 0.00% |
| Aug. 21, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 3281 | $64.88 | 580,086.0000 | 614,024,000 | 0.56% | 0.00% |
| July 3, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 2347 | $64.41 | 588,414.0000 | 614,024,000 | 0.40% | 0.00% |
| July 2, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 1889 | $64.37 | 590,761.0000 | 614,024,000 | 0.32% | 0.00% |
| May 15, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | A | Class A Common Stock | 444 | $47.86 | 604,305.0000 | 614,024,000 | 0.07% | 0.00% |
| May 22, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 2096 | $70.66 | 592,650.0000 | 614,024,000 | 0.35% | 0.00% |
| May 22, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 1100 | $69.46 | 594,746.0000 | 614,024,000 | 0.18% | 0.00% |
| May 22, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 3304 | $68.29 | 595,846.0000 | 614,024,000 | 0.55% | 0.00% |
| May 21, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 5155 | $71.26 | 599,150.0000 | 614,024,000 | 0.85% | 0.00% |
| May 1, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | M | Class B Common Stock | 153336 | $0.00 | 153,336.0000 | 614,024,000 | 9999.99% | 0.02% |
| May 1, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 30587 | $66.48 | 686,942.0000 | 614,024,000 | 4.26% | 0.00% |
| May 1, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 40336 | $67.22 | 646,606.0000 | 614,024,000 | 5.87% | 0.01% |
| May 1, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 28671 | $68.44 | 617,935.0000 | 614,024,000 | 4.43% | 0.00% |
| May 1, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 14074 | $69.07 | 603,861.0000 | 614,024,000 | 2.28% | 0.00% |
| May 1, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | M | Stock Option (right to buy) | 153336 | $0.00 | 0.0000 | 614,024,000 | 100.00% | 0.02% |
| May 1, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | C | Class A Common Stock | 153336 | $0.00 | 717,529.0000 | 614,024,000 | 27.18% | 0.02% |
| May 1, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | C | Class B Common Stock | 153336 | $0.00 | 0.0000 | 614,024,000 | 100.00% | 0.02% |
| April 24, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | A | Class A Common Stock | 86903 | $0.00 | 564,193.0000 | 614,024,000 | 18.21% | 0.01% |
| April 24, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | A | Stock Option (right to buy) | 141017 | $0.00 | 141,017.0000 | 614,024,000 | 9999.99% | 0.02% |
| April 1, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 2970 | $83.93 | 491,154.0000 | 614,024,000 | 0.60% | 0.00% |
| April 2, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 3841 | $78.84 | 481,804.0000 | 614,024,000 | 0.79% | 0.00% |
| April 3, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 4514 | $78.41 | 477,290.0000 | 614,024,000 | 0.94% | 0.00% |
| April 1, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | M | Stock Option (right to buy) | 153332 | $0.00 | 153,336.0000 | 614,024,000 | 50.00% | 0.02% |
| April 1, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | M | Class B Common Stock | 153332 | $0.00 | 153,332.0000 | 614,024,000 | 9999.99% | 0.02% |
| April 1, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | C | Class B Common Stock | 153332 | $0.00 | 0.0000 | 614,024,000 | 100.00% | 0.02% |
| April 1, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | C | Class A Common Stock | 153332 | $0.00 | 597,311.0000 | 614,024,000 | 34.54% | 0.02% |
| April 1, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 29337 | $82.17 | 567,974.0000 | 614,024,000 | 4.91% | 0.00% |
| April 1, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 73850 | $82.75 | 494,124.0000 | 614,024,000 | 13.00% | 0.01% |
| April 1, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 5509 | $84.72 | 485,645.0000 | 614,024,000 | 1.12% | 0.00% |
| March 4, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | C | Class A Common Stock | 153332 | $0.00 | 555,893.0000 | 614,024,000 | 38.09% | 0.02% |
| March 4, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | C | Class B Common Stock | 153332 | $0.00 | 0.0000 | 614,024,000 | 100.00% | 0.02% |
| March 4, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | M | Class B Common Stock | 153332 | $0.00 | 153,332.0000 | 614,024,000 | 9999.99% | 0.02% |
| March 4, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | M | Stock Option (right to buy) | 153332 | $0.00 | 306,668.0000 | 614,024,000 | 33.33% | 0.02% |
| March 4, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 111914 | $78.17 | 443,979.0000 | 614,024,000 | 20.13% | 0.02% |
| Feb. 20, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | C | Class A Common Stock | 252816 | $0.00 | 533,024.0000 | 614,024,000 | 90.22% | 0.04% |
| Feb. 20, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 127800 | $65.45 | 405,224.0000 | 614,024,000 | 23.98% | 0.02% |
| Feb. 21, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 2663 | $64.31 | 402,561.0000 | 614,024,000 | 0.66% | 0.00% |
| Feb. 20, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | M | Stock Option (right to buy) | 252816 | $0.00 | 0.0000 | 614,024,000 | 100.00% | 0.04% |
| Feb. 20, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | M | Class B Common Stock | 252816 | $0.00 | 252,816.0000 | 614,024,000 | 9999.99% | 0.04% |
| Feb. 20, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | C | Class B Common Stock | 252816 | $0.00 | 0.0000 | 614,024,000 | 100.00% | 0.04% |
| Jan. 4, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 5652 | $68.00 | 280,208.0000 | 614,024,000 | 1.98% | 0.00% |
| Jan. 2, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 2704 | $73.78 | 287,987.0000 | 614,024,000 | 0.93% | 0.00% |
| Jan. 2, 2024 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 2127 | $75.43 | 285,860.0000 | 614,024,000 | 0.74% | 0.00% |
| Nov. 21, 2023 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 2639 | $58.51 | 290,691.0000 | 578,949,000 | 0.90% | 0.00% |
| Oct. 2, 2023 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 1668 | $44.58 | 297,914.0000 | 578,949,000 | 0.56% | 0.00% |
| Oct. 4, 2023 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 4584 | $42.00 | 293,330.0000 | 578,949,000 | 1.54% | 0.00% |
| Oct. 2, 2023 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 3770 | $44.16 | 299,582.0000 | 578,949,000 | 1.24% | 0.00% |
| Aug. 21, 2023 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 2638 | $56.49 | 303,352.0000 | 578,949,000 | 0.86% | 0.00% |
| July 6, 2023 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 4580 | $67.00 | 305,990.0000 | 578,949,000 | 1.47% | 0.00% |
| July 3, 2023 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 3776 | $66.82 | 312,225.0000 | 578,949,000 | 1.19% | 0.00% |
| July 3, 2023 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 1655 | $66.88 | 310,570.0000 | 578,949,000 | 0.53% | 0.00% |
| May 22, 2023 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 2650 | $59.61 | 316,001.0000 | 578,949,000 | 0.83% | 0.00% |
| May 15, 2023 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | A | Class A Common Stock | 341 | $48.34 | 318,651.0000 | 578,949,000 | 0.11% | 0.00% |
| April 26, 2023 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | A | Stock Option (right to buy) | 157901 | $0.00 | 157,901.0000 | 578,949,000 | 9999.99% | 0.03% |
| April 26, 2023 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | A | Class A Common Stock | 94714 | $0.00 | 318,310.0000 | 578,949,000 | 42.36% | 0.02% |
| April 5, 2023 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 6529 | $67.39 | 223,596.0000 | 578,949,000 | 2.84% | 0.00% |
| April 3, 2023 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 4307 | $67.00 | 230,125.0000 | 578,949,000 | 1.84% | 0.00% |
| Jan. 3, 2023 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 3456 | $64.28 | 239,685.0000 | 578,949,000 | 1.42% | 0.00% |
| Jan. 4, 2023 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | S | Class A Common Stock | 5253 | $65.76 | 234,432.0000 | 578,949,000 | 2.19% | 0.00% |
| Nov. 15, 2022 | Block, Inc. | $XYZ | Grassadonia Brian | Cash App Lead | A | Class A Common Stock | 2 | $62.37 | 243,141.0000 | 0 | 0.00% | 0.00% |