Latest filingSep 01, 2026Most recent Form 4
ANET
Arista Networks, Inc.
NYSETechnologyComputer Communications Equipment
Insider activity for last month from 08/03 to 09/03. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$7.14B22 sells
Net open-market-$7.14B12 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period75transactions
- M · Option exercise · dominant39 · 52%
- S · Open-market sells22 · 29%
- J · Other9 · 12%
- F · Tax withholding4 · 5%
- A · Grants / awards1 · 1%
Activity by reported role
A joint filing can contribute to multiple roles80transactions
- PRES · dominant43 · 54%
- Director14 · 18%
- 10% owner7 · 9%
- CHAIR6 · 8%
- Chief financial officer5 · 6%
- SVP5 · 6%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (12)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeDuda KennethCommon Stock · Indirect · by Trust
224,695Aug 28, 2026
Bechtolsheim AndreasCommon Stock · Indirect · by Trust
180,843,048Aug 27, 2026
Duda KennethCommon Stock · Indirect · By Childrens' Trust
1,186,918Aug 28, 2026
Duda KennethCommon Stock · Direct
12,976Aug 20, 2026
Ullal JayshreeCommon Stock · Direct
10,317Aug 25, 2026
Duda KennethCommon Stock · Indirect · By Foundation
452,400Aug 20, 2026
Breithaupt Chantelle YvetteCommon Stock · Direct
76,678Aug 20, 2026
Nightingale ToddCommon Stock · Direct
133,003Aug 20, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 03 → Sep 03
LessMore
Top insiders
By absolute net value across the selected period- BA-$60.8M
- NT-$11.8M
- DK-$10.2M
- UJ-$2.6M
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
ANET transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| ANET | Duda Kenneth | PRES | other | 102k | $0 | J | 0.0% | 09/01 | 08/28 | |
| ANET | Duda Kenneth | PRES | other | 42.9k | $0 | J | — | 0.0% | 09/01 | 08/28 |
| ANET | Duda Kenneth | PRES | other | 42.9k | $0 | J | — | 0.0% | 09/01 | 08/28 |
| ANET | Duda Kenneth | PRES | other | 51.1k | $0 | J | — | 0.0% | 09/01 | 08/28 |
| ANET | Duda Kenneth | PRES | other | 42.9k | $0 | J | — | 0.0% | 09/01 | 08/28 |
| ANET | Duda Kenneth | PRES | other | 42.9k | $0 | J | — | 0.0% | 09/01 | 08/28 |
| ANET | Duda Kenneth | PRES | other | 51.1k | $0 | J | — | 0.0% | 09/01 | 08/28 |
| ANET | Duda Kenneth | PRES | other | 85.8k | $0 | J | — | 0.0% | 09/01 | 08/28 |
| ANET | Duda Kenneth | PRES | other | 85.8k | $0 | J | — | 0.0% | 09/01 | 08/28 |
| ANET | BECHTOLSHEIM ANDREAS | 10% | sale10b5-1 | 5.64k | -$115M | S | 0.0% | 08/31 | 08/27 | |
| ANET | BECHTOLSHEIM ANDREAS | 10% | sale10b5-1 | 64.5k | -$1.32B | S | 0.0% | 08/31 | 08/27 | |
| ANET | BECHTOLSHEIM ANDREAS | 10% | sale10b5-1 | 20.8k | -$424M | S | 0.0% | 08/31 | 08/27 | |
| ANET | BECHTOLSHEIM ANDREAS | 10% | sale10b5-1 | 73.7k | -$1.49B | S | 0.0% | 08/31 | 08/27 | |
| ANET | BECHTOLSHEIM ANDREAS | 10% | sale10b5-1 | 70.0k | -$1.41B | S | 0.0% | 08/31 | 08/27 | |
| ANET | BECHTOLSHEIM ANDREAS | 10% | sale10b5-1 | 50.0k | -$1.00B | S | 0.0% | 08/31 | 08/27 | |
| ANET | BECHTOLSHEIM ANDREAS | 10% | sale10b5-1 | 15.0k | -$300M | S | 0.0% | 08/31 | 08/27 | |
| ANET | Ullal Jayshree | CHAIR | exercise | 27.6k | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Ullal Jayshree | CHAIR | withholding | 13.8k | -$258M | F | +1.0% | 08/24 | 08/20 | |
| ANET | Ullal Jayshree | CHAIR | exercise | 27.6k | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Nightingale Todd | PRES | exercise | 10.3k | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Nightingale Todd | PRES | grant | 10.3k | $0 | A | +1.0% | 08/24 | 08/20 | |
| ANET | Nightingale Todd | PRES | exercise | 116k | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Nightingale Todd | PRES | withholding | 63.5k | -$1.18B | F | +1.0% | 08/24 | 08/20 | |
| ANET | Nightingale Todd | PRES | exercise | 10.3k | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Nightingale Todd | PRES | exercise | 116k | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Duda Kenneth | PRES | exercise10b5-1 | 3.88k | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Duda Kenneth | PRES | exercise10b5-1 | 19.8k | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Duda Kenneth | PRES | exercise10b5-1 | 1.83k | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Duda Kenneth | PRES | exercise10b5-1 | 4.14k | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Duda Kenneth | PRES | exercise10b5-1 | 4.14k | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Duda Kenneth | PRES | exercise10b5-1 | 1.35k | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Duda Kenneth | PRES | exercise10b5-1 | 13.3k | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Duda Kenneth | PRES | exercise10b5-1 | 3.99k | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Duda Kenneth | PRES | withholding10b5-1 | 15.5k | -$289M | F | +1.0% | 08/24 | 08/20 | |
| ANET | Duda Kenneth | PRES | exercise10b5-1 | 1.35k | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Duda Kenneth | PRES | exercise10b5-1 | 19.8k | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Duda Kenneth | PRES | exercise10b5-1 | 1.83k | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Duda Kenneth | PRES | exercise10b5-1 | 4.14k | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Duda Kenneth | PRES | exercise10b5-1 | 3.88k | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Duda Kenneth | PRES | sale10b5-1 | 472 | -$8.82M | S | +1.0% | 08/24 | 08/20 | |
| ANET | Duda Kenneth | PRES | sale10b5-1 | 3.78k | -$70.5M | S | +1.0% | 08/24 | 08/20 | |
| ANET | Duda Kenneth | PRES | sale10b5-1 | 3.31k | -$61.4M | S | +1.0% | 08/24 | 08/20 | |
| ANET | Duda Kenneth | PRES | sale10b5-1 | 2.42k | -$44.6M | S | +1.0% | 08/24 | 08/20 | |
| ANET | Duda Kenneth | PRES | sale10b5-1 | 754 | -$14.0M | S | +1.0% | 08/24 | 08/20 | |
| ANET | Duda Kenneth | PRES | sale10b5-1 | 6.06k | -$112M | S | +1.0% | 08/24 | 08/20 | |
| ANET | Duda Kenneth | PRES | sale10b5-1 | 5.30k | -$98.2M | S | +1.0% | 08/24 | 08/20 | |
| ANET | Duda Kenneth | PRES | sale10b5-1 | 3.87k | -$71.4M | S | +1.0% | 08/24 | 08/20 | |
| ANET | Duda Kenneth | PRES | sale10b5-1 | 818 | -$15.2M | S | +1.0% | 08/24 | 08/20 | |
| ANET | Duda Kenneth | PRES | sale10b5-1 | 6.56k | -$122M | S | +1.0% | 08/24 | 08/20 | |
| ANET | Duda Kenneth | PRES | sale10b5-1 | 5.75k | -$106M | S | +1.0% | 08/24 | 08/20 |
Arista Networks, Inc. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at Arista Networks, Inc.?
Duda Kenneth, BECHTOLSHEIM ANDREAS, Ullal Jayshree, Nightingale Todd, Breithaupt Chantelle Yvette, Wassenaar Yvonne, TEMPLETON MARK B, Scheinman Daniel, Lavender Robert G, Giancarlo Charles H, CHEW LEWIS, Battles Kelly Bodnar.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Bechtolsheim Andreas reported a sale on Aug 27, 2026 valued at $115M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $71,463,237.45. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.