XYZ insider buying and SEC filings, explained
Block, Inc. · CIK 1512673
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- NYSE, OTC
- Industry (SIC)
- Services-Prepackaged Software
- State of incorporation
- DE
- Fiscal year end
- Dec 31
- Former names
- Square, Inc.
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$2.2M
Planned sales (10b5-1)
$90.5M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Oct 28, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 6,000 shares at $74.44 ($447K), marked as a 10b5-1 plan trade. Holdings down <1% to 1,212,672 shares. | SEC filing Filed Oct 29, 2026, 5:07 PM ET |
| Oct 23–27, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Oct 23 and Oct 27 at about $76.13 ($1.4M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,218,672 shares. | SEC filing Filed Oct 27, 2026, 5:40 PM ET |
| Oct 20–22, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Oct 20 and Oct 22 at about $78.13 ($1.4M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,236,672 shares. | SEC filing Filed Oct 22, 2026, 6:43 PM ET |
| Oct 15–19, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Oct 15 and Oct 19 at about $78.67 ($1.4M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,254,672 shares. | SEC filing Filed Oct 19, 2026, 6:14 PM ET |
| Oct 12–14, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Oct 12 and Oct 14 at about $76.49 ($1.4M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,272,672 shares. | SEC filing Filed Oct 14, 2026, 5:33 PM ET |
| Oct 7–9, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Oct 7 and Oct 9 at about $75.42 ($1.4M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,290,672 shares. | SEC filing Filed Oct 9, 2026, 5:05 PM ET |
| Oct 2–6, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Oct 2 and Oct 6 at about $75.51 ($1.4M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,308,672 shares. | SEC filing Filed Oct 6, 2026, 6:26 PM ET |
| Sep 29–Oct 1, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Sep 29 and Oct 1 at about $73.76 ($1.3M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,326,672 shares. | SEC filing Filed Oct 1, 2026, 5:58 PM ET |
| Sep 24–28, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Sep 24 and Sep 28 at about $75.56 ($1.4M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,344,672 shares. | SEC filing Filed Sep 28, 2026 |
| Sep 21–23, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Sep 21 and Sep 23 at about $77.93 ($1.4M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,362,672 shares. | SEC filing Filed Sep 23, 2026 |
| Sep 16–18, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Sep 16 and Sep 18 at about $77.63 ($1.4M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,380,672 shares. | SEC filing Filed Sep 18, 2026 |
| Sep 11–15, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Sep 11 and Sep 15 at about $79.41 ($1.4M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,398,672 shares. | SEC filing Filed Sep 15, 2026 |
| Sep 8–10, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Sep 8 and Sep 10 at about $79.95 ($1.4M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,416,672 shares. | SEC filing Filed Sep 10, 2026 |
| Sep 2–4, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Sep 2 and Sep 4 at about $81.13 ($1.5M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,434,672 shares. | SEC filing Filed Sep 4, 2026 |
| Aug 28–Sep 1, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Aug 28 and Sep 1 at about $82.58 ($1.5M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,452,672 shares. | SEC filing Filed Sep 1, 2026 |
| Aug 25–27, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Aug 25 and Aug 27 at about $82.60 ($1.5M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,470,672 shares. | SEC filing Filed Aug 27, 2026 |
| Aug 20–24, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Aug 20 and Aug 24 at about $80.80 ($1.5M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,488,672 shares. | SEC filing Filed Aug 24, 2026 |
| Aug 21–24, 2026 | Planned (10b5-1) | Owen Britton Jennings (Business Lead) sold 1,901 shares between Aug 21 and Aug 24 at about $81.04 ($154K), marked as a 10b5-1 plan trade. Holdings down <1% to 460,128 shares. | SEC filing Filed Aug 24, 2026 |
| Aug 24, 2026 | Planned (10b5-1) | Brian Grassadonia (Ecosystem Lead) sold 8,173 shares at about $82.42 ($674K), marked as a 10b5-1 plan trade. Holdings down 2% to 513,981 shares. | SEC filing Filed Aug 24, 2026 |
| Aug 21–24, 2026 | Planned (10b5-1) | Amrita Ahuja (CFO) sold 12,612 shares between Aug 21 and Aug 24 at about $81.84 ($1.0M), marked as a 10b5-1 plan trade. Holdings down 3% to 423,262 shares. | SEC filing Filed Aug 24, 2026 |
| Aug 17–19, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Aug 17 and Aug 19 at about $80.12 ($1.4M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,506,672 shares. | SEC filing Filed Aug 19, 2026 |
| Aug 12–14, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Aug 12 and Aug 14 at about $80.22 ($1.4M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,524,672 shares. | SEC filing Filed Aug 14, 2026 |
| Aug 7–11, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Aug 7 and Aug 11 at about $78.73 ($1.4M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,542,672 shares. | SEC filing Filed Aug 11, 2026 |
| Aug 5, 2026 | Planned (10b5-1) | Amrita Ahuja (CFO) sold 8,971 shares at $85.85 ($770K), marked as a 10b5-1 plan trade. Holdings down 2% to 454,275 shares. | SEC filing Filed Aug 7, 2026 |
| Aug 4–6, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 53,000 shares between Aug 4 and Aug 6 at about $85.13 ($4.5M), marked as a 10b5-1 plan trade. Holdings down 3% to 1,560,672 shares. | SEC filing Filed Aug 6, 2026 |
| Aug 3, 2026 | Planned (10b5-1) | Brian Grassadonia (Ecosystem Lead) sold 25,908 shares at about $81.64 ($2.1M), marked as a 10b5-1 plan trade. Holdings down 5% to 531,746 shares. | SEC filing Filed Aug 5, 2026 |
| Jul 30–Aug 3, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Jul 30 and Aug 3 at about $81.65 ($1.5M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,613,672 shares. | SEC filing Filed Aug 3, 2026 |
| Jul 27–29, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Jul 27 and Jul 29 at about $80.93 ($1.5M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,631,672 shares. | SEC filing Filed Jul 29, 2026 |
| Jul 22–24, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Jul 22 and Jul 24 at about $77.82 ($1.4M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,649,672 shares. | SEC filing Filed Jul 24, 2026 |
| Jul 17–21, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Jul 17 and Jul 21 at about $79.11 ($1.4M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,667,672 shares. | SEC filing Filed Jul 21, 2026 |
| Jul 14–16, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 153,000 shares between Jul 14 and Jul 16 at about $83.27 ($12.7M), marked as a 10b5-1 plan trade. Holdings down 8% to 1,685,672 shares. | SEC filing Filed Jul 16, 2026 |
| Jul 9–13, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Jul 9 and Jul 13 at about $77.80 ($1.4M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,838,672 shares. | SEC filing Filed Jul 13, 2026 |
| Jul 6–8, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Jul 6 and Jul 8 at about $78.31 ($1.4M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,856,672 shares. | SEC filing Filed Jul 8, 2026 |
| Jul 2, 2026 | Planned (10b5-1) | Brian Grassadonia (Ecosystem Lead) sold 43,348 shares at $80.00 ($3.5M), marked as a 10b5-1 plan trade. Holdings down 7% to 557,654 shares. | SEC filing Filed Jul 7, 2026 |
| Jun 30–Jul 2, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 48,000 shares between Jun 30 and Jul 2 at about $79.27 ($3.8M), marked as a 10b5-1 plan trade. Holdings down 2% to 1,874,672 shares. | SEC filing Filed Jul 2, 2026 |
| Jun 25–29, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Jun 25 and Jun 29 at about $76.48 ($1.4M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,922,672 shares. | SEC filing Filed Jun 29, 2026 |
| Jun 22–24, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Jun 22 and Jun 24 at about $73.53 ($1.3M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,940,672 shares. | SEC filing Filed Jun 24, 2026 |
| Jun 16–18, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Jun 16 and Jun 18 at about $74.35 ($1.3M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,958,672 shares. | SEC filing Filed Jun 18, 2026 |
| Jun 16, 2026 | Planned (10b5-1) | Amrita Ahuja (CFO) sold 8,093 shares at $75.00 ($607K), marked as a 10b5-1 plan trade. Holdings down 2% to 463,246 shares. | SEC filing Filed Jun 18, 2026 |
| Jun 12–15, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 12,000 shares between Jun 12 and Jun 15 at about $71.02 ($852K), marked as a 10b5-1 plan trade. Holdings down 1% to 1,972,990 shares. | SEC filing Filed Jun 15, 2026 |
| Jun 9–11, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Jun 9 and Jun 11 at about $67.18 ($1.2M), marked as a 10b5-1 plan trade. Holdings down 1% to 1,984,990 shares. | SEC filing Filed Jun 11, 2026 |
| Jun 4–8, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 18,000 shares between Jun 4 and Jun 8 at about $69.75 ($1.3M), marked as a 10b5-1 plan trade. Holdings down 1% to 2,002,990 shares. | SEC filing Filed Jun 8, 2026 |
| Jun 1–3, 2026 | Planned (10b5-1) | Anthony Mathew Eisen (Director) sold 147,750 shares between Jun 1 and Jun 3 at about $76.63 ($11.3M), marked as a 10b5-1 plan trade. Holdings down 7% to 2,020,990 shares. | SEC filing Filed Jun 3, 2026 |
| Jun 1, 2026 | Planned (10b5-1) | Amrita Ahuja (CFO) sold 11,076 shares at about $76.62 ($849K), marked as a 10b5-1 plan trade. Holdings down 2% to 471,339 shares. | SEC filing Filed Jun 3, 2026 |
| May 22, 2026 | Planned (10b5-1) | Owen Britton Jennings (Business Lead) sold 1,316 shares at $68.54 ($90K), marked as a 10b5-1 plan trade. Holdings down <1% to 479,662 shares. | SEC filing Filed May 27, 2026 |
| May 22, 2026 | Planned (10b5-1) | Brian Grassadonia (Ecosystem Lead) sold 8,166 shares at about $68.01 ($555K), marked as a 10b5-1 plan trade. Holdings down 1% to 601,002 shares. | SEC filing Filed May 22, 2026 |
| May 19–21, 2026 | Planned (10b5-1) | Owen Britton Jennings (Business Lead) sold 627 shares between May 19 and May 21 at about $69.91 ($44K), marked as a 10b5-1 plan trade. Holdings down <1% to 480,978 shares. | SEC filing Filed May 21, 2026 |
| Apr 21, 2026 | Planned (10b5-1) | Chrysty Esperanza (Chief Legal Officer) sold 3,000 shares at $75.00 ($225K), marked as a 10b5-1 plan trade. Holdings down 1% to 268,169 shares. | SEC filing Filed Apr 22, 2026 |
| Apr 21, 2026 | Planned (10b5-1) | Amrita Ahuja (CFO) sold 30,919 shares at about $75.00 ($2.3M), marked as a 10b5-1 plan trade. Holdings down 6% to 500,816 shares. | SEC filing Filed Apr 22, 2026 |
| Apr 6, 2026 | Planned (10b5-1) | Owen Britton Jennings (Business Lead) sold 133 shares at $60.25 ($8K), marked as a 10b5-1 plan trade. Holdings down <1% to 230,091 shares. | SEC filing Filed Apr 8, 2026 |
| Apr 6, 2026 | Planned (10b5-1) | Brian Grassadonia (Ecosystem Lead) sold 1,769 shares at $60.25 ($107K), marked as a 10b5-1 plan trade. Holdings down <1% to 500,763 shares. | SEC filing Filed Apr 8, 2026 |
| Mar 3, 2026 | Planned (10b5-1) | Owen Britton Jennings (Business Lead) sold 3,555 shares at $63.41 ($225K), marked as a 10b5-1 plan trade. Holdings down 2% to 231,262 shares. | SEC filing Filed Mar 5, 2026 |
| Feb 24, 2026 | Planned (10b5-1) | Brian Grassadonia (Ecosystem Lead) sold 10,349 shares at about $50.00 ($517K), marked as a 10b5-1 plan trade. Holdings down 2% to 503,784 shares. | SEC filing Filed Feb 24, 2026 |
| Jan 2–6, 2026 | Planned (10b5-1) | Brian Grassadonia (Ecosystem Lead) sold 3,021 shares between Jan 2 and Jan 6 at about $66.96 ($202K), marked as a 10b5-1 plan trade. Holdings down 1% to 518,331 shares. | SEC filing Filed Jan 6, 2026 |
| Jan 2, 2026 | Sale | Owen Britton Jennings (Business Lead) sold 822 shares at $63.98 ($53K). Holdings down <1% to 242,718 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 6, 2026 |
| Jan 2, 2026 | Sale | Chrysty Esperanza (Chief Legal Officer) sold 331 shares at $63.98 ($21K). Holdings down <1% to 122,867 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 6, 2026 |
| Jan 2, 2026 | Planned (10b5-1) | Ajmere Dale (Chief Accounting Officer) sold 1,173 shares at about $65.09 ($76K), marked as a 10b5-1 plan trade. Holdings down 1% to 98,412 shares. | SEC filing Filed Jan 6, 2026 |
| Jan 2, 2026 | Sale | Amrita Ahuja (CFO) sold 1,101 shares at $63.98 ($70K). Holdings down <1% to 271,864 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 6, 2026 |
| Nov 21, 2025 | Sale | Arnaud Weber (Engineering Lead) sold 7,095 shares at $61.40 ($436K). Holdings down 3% to 259,136 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 25, 2025 |
| Nov 21, 2025 | Sale | Chrysty Esperanza (Chief Legal Officer) sold 3,608 shares at $61.40 ($222K). Holdings down 3% to 123,198 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 25, 2025 |
| Nov 21, 2025 | Sale | Amrita Ahuja (CFO) sold 9,959 shares at $61.40 ($611K). Holdings down 4% to 272,965 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 25, 2025 |
| Nov 21, 2025 | Sale | Owen Britton Jennings (Business Lead) sold 10,417 shares at $61.40 ($640K). Holdings down 4% to 243,540 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 25, 2025 |
| Nov 21–24, 2025 | Planned (10b5-1) | Brian Grassadonia (Ecosystem Lead) sold 14,545 shares between Nov 21, 2025 and Nov 24, 2025 at about $61.71 ($898K), marked as a 10b5-1 plan trade. Holdings down 3% to 521,352 shares. | SEC filing Filed Nov 25, 2025 |
| Nov 21, 2025 | Sale | Ajmere Dale (Chief Accounting Officer) sold 2,724 shares at $61.40 ($167K). Holdings down 3% to 99,585 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 25, 2025 |
58 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
| Filed | Items | Tag | Source |
|---|---|---|---|
| Nov 3, 2026, 4:12 PM ET 8-K | Earnings released (Item 2.02) | SEC filing | |
| Nov 2, 2026, 4:26 PM ET 8-K | Bylaws or fiscal-year change (Item 5.03) | SEC filing |
Red flags are objective triggers only: the item or form filed, never an opinion.
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