ANET insider buying and SEC filings, explained
Arista Networks, Inc. · CIK 1596532
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- NYSE
- Industry (SIC)
- Computer Communications Equipment
- State of incorporation
- DE
- Fiscal year end
- Dec 31
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$1.6B
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Oct 30, 2026 | Planned (10b5-1) | Andreas Bechtolsheim (10% owner) sold 267,892 shares indirectly (by trust) at about $171.19 ($45.9M), marked as a 10b5-1 plan trade. Holdings by trust down <1% to 180,275,156 shares. | SEC filing Filed Nov 3, 2026, 7:18 PM ET |
| Oct 20, 2026 | Planned (10b5-1) | Kenneth Duda (President / COO and Director) sold 43,333 shares directly and indirectly (by trust) at about $180.91 ($7.8M), marked as a 10b5-1 plan trade. Direct holdings down 57% to 12,976 shares. | SEC filing Filed Oct 22, 2026, 7:19 PM ET |
| Oct 8–9, 2026 | Planned (10b5-1) | Jayshree Ullal (CEO and Director) sold 158,543 shares indirectly (by trust) between Oct 8 and Oct 9 at about $217.09 ($34.4M), marked as a 10b5-1 plan trade. Holdings by trust down 1% to 15,432,507 shares. | SEC filing Filed Oct 13, 2026, 7:09 PM ET |
| Oct 7, 2026 | Planned (10b5-1) | Jayshree Ullal (CEO and Director) sold 96,992 shares indirectly (by trust) at about $217.14 ($21.1M), marked as a 10b5-1 plan trade. Holdings by trust down <1% to 15,545,738 shares. | SEC filing Filed Oct 9, 2026, 7:13 PM ET |
| Oct 6, 2026 | Planned (10b5-1) | Jayshree Ullal (CEO and Director) sold 460,374 shares indirectly (by trust) at about $212.09 ($97.6M), marked as a 10b5-1 plan trade. Holdings by trust down 2% to 15,615,010 shares. | SEC filing Filed Oct 8, 2026, 7:18 PM ET |
| Oct 6, 2026 | Planned (10b5-1) | Chantelle Yvette Breithaupt (CFO) sold 1,224 shares at $215.00 ($263K), marked as a 10b5-1 plan trade. Holdings down 2% to 68,697 shares. | SEC filing Filed Oct 8, 2026, 7:18 PM ET |
| Oct 1, 2026 | Planned (10b5-1) | Mark B. Templeton (Director) sold 5,000 shares at about $204.37 ($1.0M), marked as a 10b5-1 plan trade. Holdings down 9% to 48,410 shares. | SEC filing Filed Oct 5, 2026, 7:35 PM ET |
| Sep 25, 2026 | Planned (10b5-1) | Jayshree Ullal (CEO and Director) sold 62,622 shares indirectly (by trust) at about $211.40 ($13.2M), marked as a 10b5-1 plan trade. Holdings by trust down <1% to 15,943,854 shares. | SEC filing Filed Sep 29, 2026 |
| Sep 21, 2026 | Planned (10b5-1) | Kenneth Duda (President / COO and Director) sold 43,333 shares directly and indirectly (by trust) at about $203.50 ($8.8M), marked as a 10b5-1 plan trade. Direct holdings down 57% to 12,976 shares. | SEC filing Filed Sep 23, 2026 |
| Sep 17, 2026 | Planned (10b5-1) | Andreas Bechtolsheim (10% owner) sold 300,000 shares indirectly (by trust) at about $198.95 ($59.7M), marked as a 10b5-1 plan trade. Holdings by trust down <1% to 180,543,048 shares. | SEC filing Filed Sep 21, 2026 |
| Sep 8, 2026 | Planned (10b5-1) | Mark B. Templeton (Director) sold 5,000 shares at about $197.16 ($986K), marked as a 10b5-1 plan trade. Holdings down 9% to 53,410 shares. | SEC filing Filed Sep 10, 2026 |
| Sep 1, 2026 | Planned (10b5-1) | Chantelle Yvette Breithaupt (CFO) sold 612 shares at $195.77 ($120K), marked as a 10b5-1 plan trade. Holdings down 1% to 69,921 shares. | SEC filing Filed Sep 3, 2026 |
| Aug 27, 2026 | Planned (10b5-1) | Andreas Bechtolsheim (10% owner) sold 300,000 shares indirectly (by trust) at about $202.60 ($60.8M), marked as a 10b5-1 plan trade. Holdings by trust down <1% to 180,843,048 shares. | SEC filing Filed Aug 31, 2026 |
| Aug 25, 2026 | Planned (10b5-1) | Jayshree Ullal (CEO and Director) sold 13,809 shares at about $191.80 ($2.6M), marked as a 10b5-1 plan trade. Holdings down 58% to 9,917 shares. | SEC filing Filed Aug 27, 2026 |
| Aug 21, 2026 | Planned (10b5-1) | Kelly Bodnar Battles (Director) sold 422 shares at about $187.34 ($79K), marked as a 10b5-1 plan trade. Holdings down 4% to 10,194 shares. | SEC filing Filed Aug 25, 2026 |
| Aug 20, 2026 | Planned (10b5-1) | Kenneth Duda (President / COO and Director) sold 43,333 shares directly and indirectly (by trust) at about $185.42 ($8.0M), marked as a 10b5-1 plan trade. Direct holdings down 57% to 12,976 shares. | SEC filing Filed Aug 24, 2026 |
| Aug 12, 2026 | Planned (10b5-1) | Jayshree Ullal (CEO and Director) sold 573,509 shares indirectly (by trust) at about $208.13 ($119.4M), marked as a 10b5-1 plan trade. Holdings by trust down 2% to 15,988,580 shares. | SEC filing Filed Aug 14, 2026 |
| Aug 6, 2026 | Planned (10b5-1) | Andreas Bechtolsheim (10% owner) sold 411,848 shares directly and indirectly (by trust) at about $192.75 ($79.4M), marked as a 10b5-1 plan trade. Direct holdings down 100% to 0 shares. | SEC filing Filed Aug 10, 2026 |
| Aug 5, 2026 | Planned (10b5-1) | Andreas Bechtolsheim (10% owner) sold 300,000 shares indirectly (by trust) at about $203.30 ($61.0M), marked as a 10b5-1 plan trade. Holdings by trust down <1% to 181,443,048 shares. | SEC filing Filed Aug 7, 2026 |
| Aug 5, 2026 | Planned (10b5-1) | Jayshree Ullal (CEO and Director) sold 767,029 shares indirectly (by trust) at about $201.22 ($154.3M), marked as a 10b5-1 plan trade. Holdings by trust down 4% to 16,387,981 shares. | SEC filing Filed Aug 7, 2026 |
| Aug 5, 2026 | Planned (10b5-1) | Jayshree Ullal (CEO and Director) sold 1,032 shares indirectly (by trust) at about $201.24 ($208K), marked as a 10b5-1 plan trade. Holdings by trust down 2% to 29,484 shares. | SEC filing Filed Aug 7, 2026 |
| Aug 5, 2026 | Planned (10b5-1) | Jayshree Ullal (CEO and Director) sold 331,434 shares indirectly (by trust) at about $201.22 ($66.7M), marked as a 10b5-1 plan trade. Holdings by trust down 3% to 4,968,490 shares. | SEC filing Filed Aug 7, 2026 |
| Aug 3, 2026 | Planned (10b5-1) | Charles H Giancarlo (Director) sold 8,000 shares indirectly (by trust) at about $181.02 ($1.4M), marked as a 10b5-1 plan trade. Holdings by trust down 4% to 184,333 shares. | SEC filing Filed Aug 5, 2026 |
| Jul 20, 2026 | Planned (10b5-1) | Kenneth Duda (President / COO and Director) sold 43,333 shares directly and indirectly (by trust) at about $170.52 ($7.4M), marked as a 10b5-1 plan trade. Direct holdings down 57% to 12,976 shares. | SEC filing Filed Jul 22, 2026 |
| Jul 14, 2026 | Planned (10b5-1) | Andreas Bechtolsheim (10% owner) sold 300,000 shares indirectly (by trust) at about $180.77 ($54.2M), marked as a 10b5-1 plan trade. Holdings by trust down <1% to 181,743,048 shares. | SEC filing Filed Jul 16, 2026 |
| Jul 10, 2026 | Planned (10b5-1) | Jayshree Ullal (CEO and Director) sold 234,578 shares indirectly (by trust) at about $187.18 ($43.9M), marked as a 10b5-1 plan trade. Holdings by trust down 1% to 17,155,010 shares. | SEC filing Filed Jul 14, 2026 |
| Jul 9, 2026 | Planned (10b5-1) | Jayshree Ullal (CEO and Director) sold 242,422 shares indirectly (by trust) at about $188.17 ($45.6M), marked as a 10b5-1 plan trade. Holdings by trust down 1% to 17,315,812 shares. | SEC filing Filed Jul 13, 2026 |
| Jul 2, 2026 | Planned (10b5-1) | Andreas Bechtolsheim (10% owner) sold 240,000 shares indirectly (by trust) at about $162.67 ($39.0M), marked as a 10b5-1 plan trade. Holdings by trust down <1% to 182,043,048 shares. | SEC filing Filed Jul 7, 2026 |
| Jul 1, 2026 | Planned (10b5-1) | Andreas Bechtolsheim (10% owner) sold 260,000 shares indirectly (by trust) at about $164.22 ($42.7M), marked as a 10b5-1 plan trade. Holdings by trust down <1% to 182,283,048 shares. | SEC filing Filed Jul 6, 2026 |
| Jul 1, 2026 | Planned (10b5-1) | Charles H Giancarlo (Director) sold 8,000 shares indirectly (by trust) at about $167.06 ($1.3M), marked as a 10b5-1 plan trade. Holdings by trust down 4% to 192,333 shares. | SEC filing Filed Jul 6, 2026 |
| Jun 22, 2026 | Planned (10b5-1) | Kenneth Duda (President / COO and Director) sold 43,333 shares directly and indirectly (by trust) at about $171.42 ($7.4M), marked as a 10b5-1 plan trade. Direct holdings down 57% to 12,976 shares. | SEC filing Filed Jun 24, 2026 |
| Jun 15, 2026 | Planned (10b5-1) | Andreas Bechtolsheim (10% owner) sold 260,000 shares indirectly (by trust) at about $165.57 ($43.0M), marked as a 10b5-1 plan trade. Holdings by trust down <1% to 182,543,048 shares. | SEC filing Filed Jun 17, 2026 |
| Jun 5, 2026 | Planned (10b5-1) | Andreas Bechtolsheim (10% owner) sold 220,000 shares at about $157.93 ($34.7M), marked as a 10b5-1 plan trade. Holdings down 66% to 111,848 shares. | SEC filing Filed Jun 9, 2026 |
| Jun 4, 2026 | Planned (10b5-1) | Andreas Bechtolsheim (10% owner) sold 240,000 shares at about $163.06 ($39.1M), marked as a 10b5-1 plan trade. Holdings down 42% to 331,848 shares. | SEC filing Filed Jun 8, 2026 |
| Jun 1, 2026 | Planned (10b5-1) | Charles H Giancarlo (Director) sold 8,000 shares indirectly (by trust) at about $169.09 ($1.4M), marked as a 10b5-1 plan trade. Holdings by trust down 4% to 200,333 shares. | SEC filing Filed Jun 3, 2026 |
| May 26, 2026 | Planned (10b5-1) | Jayshree Ullal (CEO and Director) sold 13,809 shares at about $155.04 ($2.1M), marked as a 10b5-1 plan trade. Holdings down 58% to 9,917 shares. | SEC filing Filed May 28, 2026 |
| May 26, 2026 | Planned (10b5-1) | Chantelle Yvette Breithaupt (CFO) sold 2,448 shares at $157.00 ($384K), marked as a 10b5-1 plan trade. Holdings down 4% to 64,408 shares. | SEC filing Filed May 28, 2026 |
| May 26, 2026 | Planned (10b5-1) | Andreas Bechtolsheim (10% owner) sold 220,000 shares indirectly (by trust) at about $156.86 ($34.5M), marked as a 10b5-1 plan trade. Holdings by trust down <1% to 182,803,048 shares. | SEC filing Filed May 28, 2026 |
| May 22, 2026 | Planned (10b5-1) | Andreas Bechtolsheim (10% owner) sold 205,000 shares indirectly (by trust) at about $151.74 ($31.1M), marked as a 10b5-1 plan trade. Holdings by trust down <1% to 183,023,048 shares. | SEC filing Filed May 27, 2026 |
| May 21, 2026 | Planned (10b5-1) | Kelly Bodnar Battles (Director) sold 422 shares at about $146.44 ($62K), marked as a 10b5-1 plan trade. Holdings down 4% to 10,078 shares. | SEC filing Filed May 26, 2026 |
| May 20, 2026 | Planned (10b5-1) | Yvonne Wassenaar (Director) sold 971 shares at about $140.93 ($137K), marked as a 10b5-1 plan trade. Holdings down 9% to 9,784 shares. | SEC filing Filed May 22, 2026 |
| May 18, 2026 | Planned (10b5-1) | Kenneth Duda (President / COO and Director) sold 58,000 shares directly and indirectly (by trust) at about $140.08 ($8.1M), marked as a 10b5-1 plan trade. Direct holdings down 71% to 12,976 shares. | SEC filing Filed May 20, 2026 |
| May 1, 2026 | Planned (10b5-1) | Charles H Giancarlo (Director) sold 8,000 shares indirectly (by trust) at about $175.40 ($1.4M), marked as a 10b5-1 plan trade. Holdings by trust down 4% to 208,333 shares. | SEC filing Filed May 5, 2026 |
| Apr 22, 2026 | Planned (10b5-1) | Jayshree Ullal (CEO and Director) sold 428,000 shares indirectly (by trust) at about $177.44 ($75.9M), marked as a 10b5-1 plan trade. Holdings by trust down 2% to 17,482,010 shares. | SEC filing Filed Apr 24, 2026 |
| Apr 21, 2026 | Planned (10b5-1) | Jayshree Ullal (CEO and Director) sold 93,861 shares indirectly (by trust) at about $168.57 ($15.8M), marked as a 10b5-1 plan trade. Holdings by trust down <1% to 17,782,010 shares. | SEC filing Filed Apr 23, 2026 |
| Apr 20, 2026 | Planned (10b5-1) | Jayshree Ullal (CEO and Director) sold 306,139 shares indirectly (by trust) at about $167.31 ($51.2M), marked as a 10b5-1 plan trade. Holdings by trust down 1% to 17,847,711 shares. | SEC filing Filed Apr 22, 2026 |
| Apr 17, 2026 | Planned (10b5-1) | Kenneth Duda (President / COO and Director) sold 58,000 shares directly and indirectly (by trust) at about $163.31 ($9.5M), marked as a 10b5-1 plan trade. Direct holdings down 71% to 12,976 shares. | SEC filing Filed Apr 21, 2026 |
| Apr 16, 2026 | Planned (10b5-1) | Jayshree Ullal (CEO and Director) sold 350,000 shares indirectly (by trust) at about $159.31 ($55.8M), marked as a 10b5-1 plan trade. Holdings by trust down 1% to 18,062,010 shares. | SEC filing Filed Apr 20, 2026 |
| Apr 15, 2026 | Planned (10b5-1) | Yvonne Wassenaar (Director) sold 1,395 shares at about $153.07 ($214K), marked as a 10b5-1 plan trade. Holdings down 12% to 9,784 shares. | SEC filing Filed Apr 17, 2026 |
| Apr 14, 2026 | Planned (10b5-1) | Chantelle Yvette Breithaupt (CFO) sold 8,890 shares at about $155.02 ($1.4M), marked as a 10b5-1 plan trade. Holdings down 13% to 60,734 shares. | SEC filing Filed Apr 16, 2026 |
| Apr 13, 2026 | Planned (10b5-1) | Jayshree Ullal (CEO and Director) sold 112,812 shares at about $150.11 ($16.9M), marked as a 10b5-1 plan trade. Holdings down 92% to 9,917 shares. | SEC filing Filed Apr 15, 2026 |
| Apr 1, 2026 | Planned (10b5-1) | Charles H Giancarlo (Director) sold 8,000 shares indirectly (by trust) at about $125.95 ($1.0M), marked as a 10b5-1 plan trade. Holdings by trust down 4% to 216,333 shares. | SEC filing Filed Apr 3, 2026 |
| Mar 17, 2026 | Planned (10b5-1) | Kenneth Duda (President / COO and Director) sold 58,000 shares directly and indirectly (by trust) at about $134.14 ($7.8M), marked as a 10b5-1 plan trade. Direct holdings down 71% to 12,976 shares. | SEC filing Filed Mar 19, 2026 |
| Mar 16, 2026 | Planned (10b5-1) | Yvonne Wassenaar (Director) sold 1,395 shares at about $134.34 ($187K), marked as a 10b5-1 plan trade. Holdings down 11% to 11,179 shares. | SEC filing Filed Mar 18, 2026 |
| Mar 2, 2026 | Planned (10b5-1) | Charles H Giancarlo (Director) sold 8,000 shares indirectly (by trust) at about $128.67 ($1.0M), marked as a 10b5-1 plan trade. Holdings by trust down 82% to 1,784 shares. | SEC filing Filed Mar 4, 2026 |
| Feb 25, 2026 | Planned (10b5-1) | Yvonne Wassenaar (Director) sold 1,815 shares at about $132.44 ($240K), marked as a 10b5-1 plan trade. Holdings down 13% to 12,574 shares. | SEC filing Filed Feb 27, 2026 |
| Feb 23, 2026 | Planned (10b5-1) | Kelly Bodnar Battles (Director) sold 422 shares at about $128.06 ($54K), marked as a 10b5-1 plan trade. Holdings down 4% to 9,529 shares. | SEC filing Filed Feb 25, 2026 |
| Feb 17, 2026 | Planned (10b5-1) | Kenneth Duda (President / COO and Director) sold 58,000 shares directly and indirectly (by trust) at about $142.40 ($8.3M), marked as a 10b5-1 plan trade. Direct holdings down 71% to 12,976 shares. | SEC filing Filed Feb 19, 2026 |
| Feb 2, 2026 | Planned (10b5-1) | Charles H Giancarlo (Director) sold 8,000 shares indirectly (by trust) at about $140.43 ($1.1M), marked as a 10b5-1 plan trade. Holdings by trust down 45% to 9,784 shares. | SEC filing Filed Feb 4, 2026 |
| Jan 20, 2026 | Planned (10b5-1) | Kenneth Duda (President / COO and Director) sold 56,000 shares directly and indirectly (by trust) at about $128.43 ($7.2M), marked as a 10b5-1 plan trade. Direct holdings down 70% to 12,976 shares. | SEC filing Filed Jan 22, 2026 |
| Jan 2, 2026 | Planned (10b5-1) | Charles H Giancarlo (Director) sold 8,000 shares indirectly (by trust) at about $133.79 ($1.1M), marked as a 10b5-1 plan trade. Holdings by trust down 31% to 17,784 shares. | SEC filing Filed Jan 6, 2026 |
| Dec 17, 2025 | Planned (10b5-1) | Kenneth Duda (President / COO and Director) sold 56,000 shares directly and indirectly (by trust) at about $123.15 ($6.9M), marked as a 10b5-1 plan trade. Direct holdings down 70% to 12,976 shares. | SEC filing Filed Dec 19, 2025 |
| Dec 1, 2025 | Planned (10b5-1) | Charles H Giancarlo (Director) sold 8,000 shares indirectly (by trust) at about $128.09 ($1.0M), marked as a 10b5-1 plan trade. Holdings by trust down 24% to 25,784 shares. | SEC filing Filed Dec 3, 2025 |
| Nov 25, 2025 | Planned (10b5-1) | Jayshree Ullal (CEO and Director) sold 24,042 shares at about $124.55 ($3.0M), marked as a 10b5-1 plan trade. Holdings down 71% to 9,917 shares. | SEC filing Filed Nov 28, 2025 |
| Nov 21, 2025 | Planned (10b5-1) | Kelly Bodnar Battles (Director) sold 422 shares at about $117.15 ($49K), marked as a 10b5-1 plan trade. Holdings down 4% to 8,980 shares. | SEC filing Filed Nov 25, 2025 |
| Nov 17, 2025 | Planned (10b5-1) | Kenneth Duda (President / COO and Director) sold 56,000 shares directly and indirectly (by trust) at about $128.62 ($7.2M), marked as a 10b5-1 plan trade. Direct holdings down 70% to 12,976 shares. | SEC filing Filed Nov 19, 2025 |
| Nov 3, 2025 | Planned (10b5-1) | Charles H Giancarlo (Director) sold 8,000 shares indirectly (by trust) at about $157.12 ($1.3M), marked as a 10b5-1 plan trade. Holdings by trust down 19% to 33,784 shares. | SEC filing Filed Nov 5, 2025 |
73 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, 4:10 PM ET 8-K | Earnings released (Item 2.02) | SEC filing |
Red flags are objective triggers only: the item or form filed, never an opinion.
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