Dudediligence.

Arista Networks, Inc

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Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$1.34B

49 notices · 7,432,070 sh

Oct 2025 to Oct 2026

Reported ·

$485.7M

293 sales · 0 buys

Oct 2025 to Jun 2026

The two figures cover different periods.

All 293 reported sales carry the 10b5-1 box. Together they are 0.24% of the shares on issue.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-09-25: Ullal Jayshree, Form 1442026-09-17: Andreas Bechtolsheim, Form 1442026-09-08: MARK TEMPLETON, Form 1442026-09-01: CHANTELLE BREITHAUPT, Form 1442026-08-27: Andreas Bechtolsheim, Form 1442026-08-25: Ullal Jayshree, Form 1442026-08-21: Kelly Battles, Form 1442026-08-05: Ullal Jayshree, Form 1442026-08-06: Andreas Bechtolsheim, Form 1442026-08-05: Ullal Jayshree, Form 1442026-08-05: Andreas Bechtolsheim, Form 1442026-08-03: Charles Giancarlo, Form 1442026-07-14: Andreas Bechtolsheim, Form 1442026-07-10: Ullal Jayshree, Form 1442026-07-09: Ullal Jayshree, Form 1442026-07-02: Andreas Bechtolsheim, Form 1442026-07-01: Andreas Bechtolsheim, Form 1442026-06-22: Kenneth Duda, Form 1442026-06-22: Kenneth Duda, Form 1442026-06-22: Kenneth Duda, Form 1442026-06-22: Kenneth Duda, Form 1442026-06-15: Andreas Bechtolsheim, Form 1442026-06-05: Andreas Bechtolsheim, Form 1442026-06-04: Andreas Bechtolsheim, Form 1442026-05-26: Andreas Bechtolsheim, Form 1442026-05-22: Andreas Bechtolsheim, Form 1442026-05-26: Ullal Jayshree, Form 1442026-05-26: CHANTELLE BREITHAUPT, Form 1442026-05-20: Yvonne Wassenaar, Form 1442026-05-01: Charles Giancarlo, Form 1442026-04-22: Ullal Jayshree, Form 1442026-04-21: Ullal Jayshree, Form 1442026-04-20: Ullal Jayshree, Form 1442026-04-16: Ullal Jayshree, Form 1442026-04-14: CHANTELLE BREITHAUPT, Form 1442026-04-13: Ullal Jayshree, Form 1442026-03-17: Kenneth Duda, Form 1442026-03-17: Kenneth Duda, Form 1442026-03-17: Kenneth Duda, Form 1442026-03-17: Kenneth Duda, Form 1442026-02-25: Yvonne Wassenaar, Form 1442026-02-23: Kelly Battles, Form 1442026-01-02: Charles Giancarlo, Form 1442025-12-17: Kenneth Duda, Form 1442025-12-17: Kenneth Duda, Form 1442025-12-17: Kenneth Duda, Form 1442025-12-17: Kenneth Duda, Form 1442025-11-25: Jayshree Ullal, Form 1442025-11-21: Kelly Battles, Form 1442025-10-17: Duda Kenneth, sold2025-11-03: Giancarlo Charles H, sold2025-11-17: Duda Kenneth, sold2025-11-21: Battles Kelly Bodnar, sold2025-11-25: Ullal Jayshree, sold2025-12-01: Giancarlo Charles H, sold2025-12-17: Duda Kenneth, sold2026-01-02: Giancarlo Charles H, sold2026-01-20: Duda Kenneth, sold2026-02-02: Giancarlo Charles H, sold2026-02-17: Duda Kenneth, sold2026-02-23: Battles Kelly Bodnar, sold2026-02-25: Wassenaar Yvonne, sold2026-03-02: Giancarlo Charles H, sold2026-03-16: Wassenaar Yvonne, sold2026-03-17: Duda Kenneth, sold2026-04-01: Giancarlo Charles H, sold2026-04-13: Ullal Jayshree, sold2026-04-14: Breithaupt Chantelle Yvette, sold2026-04-15: Wassenaar Yvonne, sold2026-04-16: Ullal Jayshree, sold2026-04-17: Duda Kenneth, sold2026-04-20: Ullal Jayshree, sold2026-04-21: Ullal Jayshree, sold2026-04-22: Ullal Jayshree, sold2026-05-01: Giancarlo Charles H, sold2026-05-18: Duda Kenneth, sold2026-05-20: Wassenaar Yvonne, sold2026-05-21: Battles Kelly Bodnar, sold2026-05-22: BECHTOLSHEIM ANDREAS, sold2026-05-26: BECHTOLSHEIM ANDREAS, sold2026-05-26: Breithaupt Chantelle Yvette, sold2026-05-26: Ullal Jayshree, sold2026-06-01: Giancarlo Charles H, sold2026-06-04: BECHTOLSHEIM ANDREAS, sold2026-06-05: BECHTOLSHEIM ANDREAS, sold2026-06-15: BECHTOLSHEIM ANDREAS, sold2026-06-22: Duda Kenneth, sold
under a ▼ salesize is dollars

Form 144 notices, newest first

2026-09-25Ullal Jayshree, CEO and Chairperson$13.2M
62,622 shplan 2025-11-14Form 4s on file end Jun 23144 ↗
2026-09-17Andreas Bechtolsheim, 10% Stockholder$59.9M
300,000 shplan 2026-02-20Form 4s on file end Jun 23144 ↗
2026-09-08MARK TEMPLETON, Director$3,875,600
20,000 shplan 2026-06-09Form 4s on file end Jun 23144 ↗
2026-09-01CHANTELLE BREITHAUPT, Senior Vice President, CFO$119,762
612 shplan 2026-06-02Form 4s on file end Jun 23144 ↗
2026-08-27Andreas Bechtolsheim, 10% Stockholder$60.3M
300,000 shplan 2026-02-20Form 4s on file end Jun 23144 ↗
2026-08-25Ullal Jayshree, CEO and Chairperson$2,648,492
13,809 shplan 2025-11-14Form 4s on file end Jun 23144 ↗
2026-08-21Kelly Battles, Director$61,797
422 shplan 2025-06-10Form 4s on file end Jun 23144 ↗
2026-08-06Andreas Bechtolsheim, 10% Stockholder$79.2M
411,848 shplan 2026-02-20Form 4s on file end Jun 23144 ↗
2026-08-05Ullal Jayshree, CEO and Chairperson$119.4M
573,509 shplan 2025-11-14Form 4s on file end Jun 23144 ↗
2026-08-05Ullal Jayshree, CEO and Chairperson$221.2M
1,099,495 shplan 2025-11-14Form 4s on file end Jun 23144 ↗
2026-08-05Andreas Bechtolsheim, 10% Stockholder$59.2M
300,000 shplan 2026-02-20Form 4s on file end Jun 23144 ↗
2026-08-03Charles Giancarlo, Director$1,395,360
8,000 shplan 2025-06-12Form 4s on file end Jun 23144 ↗
2026-07-14Andreas Bechtolsheim, 10% Stockholder$54.8M
300,000 shplan 2026-02-20Form 4s on file end Jun 23144 ↗
2026-07-10Ullal Jayshree, CEO and Chairperson$43.9M
234,578 shplan 2025-11-14Form 4s on file end Jun 23144 ↗
2026-07-09Ullal Jayshree, CEO and Chairperson$45.6M
242,422 shplan 2025-11-14Form 4s on file end Jun 23144 ↗
2026-07-02Andreas Bechtolsheim, 10% Stockholder$38.4M
240,000 shplan 2026-02-20Form 4s on file end Jun 23144 ↗
2026-07-01Andreas Bechtolsheim, 10% Stockholder$43.3M
260,000 shplan 2026-02-20Form 4s on file end Jun 23144 ↗
2026-06-22Kenneth Duda, President and CTO$5,588,480
32,000 shplan 2026-03-11144 ↗
Form 4, 2026-06-24: sold 43,333 at $171.42 Form 4 ↗
2026-06-22Kenneth Duda, President and CTO$5,588,480
32,000 shplan 2026-03-11Form 4s on file end Jun 23144 ↗
2026-06-22Kenneth Duda, President and CTO$6,985,600
40,000 shplan 2026-03-11Form 4s on file end Jun 23144 ↗
2026-06-22Kenneth Duda, President and CTO$12.1M
69,332 shplan 2026-03-11Form 4s on file end Jun 23144 ↗
2026-06-15Andreas Bechtolsheim, 10% Stockholder$44.0M
260,000 shplan 2026-02-20144 ↗
Form 4, 2026-06-17: sold 260,000 at $165.57 Form 4 ↗
2026-06-05Andreas Bechtolsheim, 10% Stockholder$33.9M
220,000 shplan 2026-02-20144 ↗
Form 4, 2026-06-09: sold 220,000 at $157.93 Form 4 ↗
2026-06-04Andreas Bechtolsheim, 10% Stockholder$41.8M
240,000 shplan 2026-02-20144 ↗
Form 4, 2026-06-08: sold 240,000 at $163.06 Form 4 ↗
2026-05-26Andreas Bechtolsheim, 10% Stockholder$33.9M
220,000 shplan 2026-02-20144 ↗
Form 4, 2026-05-28: sold 220,000 at $156.86 Form 4 ↗
2026-05-26Ullal Jayshree, CEO and Chairperson$2,141,004
13,809 shplan 2025-11-14144 ↗
Form 4, 2026-05-28: sold 13,809 at $155.04 Form 4 ↗
2026-05-26CHANTELLE BREITHAUPT, Senior Vice President, CFO$377,065
2,448 shplan 2025-12-11144 ↗
Form 4, 2026-05-28: sold 2,448 at $157.00 Form 4 ↗
2026-05-22Andreas Bechtolsheim, 10% Stockholder$31.6M
205,000 shplan 2026-02-20144 ↗
Form 4, 2026-05-27: sold 205,000 at $151.74 Form 4 ↗
2026-05-20Yvonne Wassenaar, Director$136,846
971 shplan 2025-11-21144 ↗
Form 4, 2026-05-22: sold 971 at $140.93 Form 4 ↗
2026-05-01Charles Giancarlo, Director$4,145,040
24,000 shplan 2025-06-12144 ↗
Form 4, 2026-05-05: sold 8,000 at $175.40 Form 4 ↗
2026-04-22Ullal Jayshree, CEO and Chairperson$75.9M
428,000 shplan 2025-11-14144 ↗
Form 4, 2026-04-24: sold 428,000 at $177.44 Form 4 ↗
2026-04-21Ullal Jayshree, CEO and Chairperson$15.8M
93,861 shplan 2025-11-14144 ↗
Form 4, 2026-04-23: sold 93,861 at $168.57 Form 4 ↗
2026-04-20Ullal Jayshree, CEO and Chairperson$51.2M
306,139 shplan 2025-11-14144 ↗
Form 4, 2026-04-22: sold 306,139 at $167.31 Form 4 ↗
2026-04-16Ullal Jayshree, CEO and Chairperson$55.8M
350,000 shplan 2025-11-14144 ↗
Form 4, 2026-04-20: sold 350,000 at $159.31 Form 4 ↗
2026-04-14CHANTELLE BREITHAUPT, Senior Vice President, CFO$1,351,458
8,890 shplan 2025-12-11144 ↗
Form 4, 2026-04-16: sold 8,890 at $155.02 Form 4 ↗
2026-04-13Ullal Jayshree, CEO and Chairperson$16.9M
112,812 shplan 2025-11-14144 ↗
Form 4, 2026-04-15: sold 112,812 at $150.11 Form 4 ↗
2026-03-17Kenneth Duda, President and CTO$13.0M
96,000 shplan 2025-03-13144 ↗
Form 4, 2026-03-19: sold 58,000 at $134.14 Form 4 ↗
2026-03-17Kenneth Duda, President and CTO$3,248,400
24,000 shplan 2025-03-13no Form 4 on file144 ↗
2026-03-17Kenneth Duda, President and CTO$3,248,400
24,000 shplan 2025-03-13no Form 4 on file144 ↗
2026-03-17Kenneth Duda, President and CTO$4,060,500
30,000 shplan 2025-03-13no Form 4 on file144 ↗
2026-02-25Yvonne Wassenaar, Director$611,452
4,605 shplan 2025-11-21144 ↗
Form 4, 2026-02-27: sold 1,815 at $132.44 Form 4 ↗
2026-02-23Kelly Battles, Director$55,375
422 shplan 2025-06-10144 ↗
Form 4, 2026-02-25: sold 422 at $128.06 Form 4 ↗
2026-01-02Charles Giancarlo, Director$4,289,600
32,000 shplan 2025-06-12144 ↗
Form 4, 2026-01-06: sold 8,000 at $133.79 Form 4 ↗
2025-12-17Kenneth Duda, President and CTO$3,783,900
30,000 shplan 2025-03-13144 ↗
Form 4, 2025-12-19: sold 56,000 at $123.15 Form 4 ↗
2025-12-17Kenneth Duda, President and CTO$3,027,120
24,000 shplan 2025-03-13no Form 4 on file144 ↗
2025-12-17Kenneth Duda, President and CTO$3,027,120
24,000 shplan 2025-03-13no Form 4 on file144 ↗
2025-12-17Kenneth Duda, President and CTO$11.6M
92,000 shplan 2025-03-13no Form 4 on file144 ↗
2025-11-25Jayshree Ullal, CEO and Chairperson$2,937,211
24,042 shplan 2024-12-13144 ↗
Form 4, 2025-11-28: sold 24,042 at $124.55 Form 4 ↗
2025-11-21Kelly Battles, Director$50,467
422 shplan 2025-06-10144 ↗
Form 4, 2025-11-25: sold 422 at $117.15 Form 4 ↗