Over the 90-day window ending January 10, 2026, Block's three dominant insider ownership positions are held by Director Anthony Mathew Eisen (2.17Mn shares), Ecosystem Lead Brian Grassadonia (518.33K shares), Square Lead Alyssa Henry (475.51K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Anthony Mathew Eisen | 2,168,740 | 18 Jun, 2025 | |
| Brian Grassadonia | Ecosystem Lead | 518,331 | 06 Jan, 2026 |
| Alyssa Henry | Square Lead | 475,512 | 04 Oct, 2023 |
| Roelof Botha | 471,112 | 06 Jan, 2026 | |
| Mary G Meeker | 421,372 | 06 Jan, 2026 | |
| Dhananjay Prasanna | Technology Lead | 289,492 | 25 Aug, 2025 |
| Amrita Ahuja | Cfo & Coo | 271,864 | 06 Jan, 2026 |
| Arnaud Weber | Engineering Lead | 259,136 | 25 Nov, 2025 |
| Owen Britton Jennings | Business Lead | 242,718 | 06 Jan, 2026 |
| Chrysty Esperanza | Chief Legal Officer | 122,867 | 06 Jan, 2026 |
| Sivan Whiteley | Chief Legal Ofcr. & Corp. Sec. | 105,400 | 05 Jan, 2023 |
| Ajmere Dale | Chief Accounting Officer | 98,412 | 06 Jan, 2026 |
| David A Viniar | 73,585 | 05 Apr, 2022 | |
| Paul Deighton | 47,623 | 18 Jun, 2025 | |
| Randall J Garutti | 36,039 | 18 Jun, 2025 | |
| Shawn Corey Carter | 28,652 | 06 Jan, 2026 | |
| Amy Brooks | 26,400 | 06 Jan, 2026 | |
| Lawrence Henry Summers | 18,611 | 02 Aug, 2023 | |
| Anna Patterson | 14,760 | 05 Apr, 2022 | |
| Neha Narula | 13,493 | 06 Jan, 2026 | |
| Darren Walker | 13,009 | 06 Jul, 2023 | |
| James Morgan Jr. Mckelvey | 12,469 | 18 Jun, 2025 | |
| Sharon Rothstein | 4,826 | 16 Jun, 2022 | |
| Jack Dorsey | Block Head And Chairperson | 2,391 | 03 Jun, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 06 Jan, 2026 | Brian Grassadonia | Class A Common Stock | D | 1,983 | $68.52 | 518,331 | D | S |
| 02 Jan, 2026 | Roelof Botha | Class A Common Stock | A | 307 | $0.00 | 36,707 | D | A |
| 02 Jan, 2026 | Mary G Meeker | Class A Common Stock | A | 288 | $0.00 | 421,372 | D | A |
| 02 Jan, 2026 | Shawn Corey Carter | Class A Common Stock | A | 192 | $0.00 | 28,652 | D | A |
| 02 Jan, 2026 | Ajmere Dale | Class A Common Stock | D | 423 | $63.98 | 99,162 | D | S |
| 02 Jan, 2026 | Ajmere Dale | Class A Common Stock | D | 750 | $65.72 | 98,412 | D | S |
| 02 Jan, 2026 | Amrita Ahuja | Class A Common Stock | D | 1,101 | $63.98 | 271,864 | D | S |
| 02 Jan, 2026 | Amy Brooks | Class A Common Stock | A | 230 | $0.00 | 26,400 | D | A |
| 02 Jan, 2026 | Brian Grassadonia | Class A Common Stock | D | 1,038 | $63.98 | 520,314 | D | S |
| 02 Jan, 2026 | Chrysty Esperanza | Class A Common Stock | D | 331 | $63.98 | 122,867 | D | S |
| 02 Jan, 2026 | Neha Narula | Class A Common Stock | A | 297 | $0.00 | 13,493 | D | A |
| 02 Jan, 2026 | Owen Britton Jennings | Class A Common Stock | D | 822 | $63.98 | 242,718 | D | S |
| 24 Nov, 2025 | Brian Grassadonia | Class A Common Stock | D | 1,822 | $62.41 | 521,352 | D | S |
| 24 Nov, 2025 | Brian Grassadonia | Class A Common Stock | D | 6,263 | $61.83 | 523,174 | D | S |
| 21 Nov, 2025 | Ajmere Dale | Class A Common Stock | D | 2,724 | $61.40 | 99,585 | D | S |
| 21 Nov, 2025 | Amrita Ahuja | Class A Common Stock | D | 9,959 | $61.40 | 272,965 | D | S |
| 21 Nov, 2025 | Brian Grassadonia | Class A Common Stock | D | 6,460 | $61.40 | 529,437 | D | S |
| 21 Nov, 2025 | Chrysty Esperanza | Class A Common Stock | D | 3,608 | $61.40 | 123,198 | D | S |
| 21 Nov, 2025 | Owen Britton Jennings | Class A Common Stock | D | 10,417 | $61.40 | 243,540 | D | S |
| 21 Nov, 2025 | Arnaud Weber | Class A Common Stock | D | 7,095 | $61.40 | 259,136 | D | S |