Arista Networks, Inc.
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.
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale countsTransaction codes
By Form 4 transaction code in selected period- 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 roles- 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)Reported Holdings After
Separated by insider, security, and ownership typeThese 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 redTop insiders
By absolute net value across the selected period- BY-$1.1M
- DK-$513.4k
- WY+$0
- TB+$0
- SD+$0
Recent filing activity
Most recent 12 transactions · color = transaction code- SSell08/24-$77.3MSEC
- MOption exercise08/24$5.65MSEC
- MOption exercise08/24$20.3MSEC
- MOption exercise08/24$0SEC
- MOption exercise08/24$0SEC
- FTax withholding08/24-$114MSEC
- MOption exercise08/24$0SEC
- MOption exercise08/24$0SEC
- MOption exercise08/24$0SEC
- MOption exercise08/24$0SEC
- MOption exercise08/24$0SEC
- MOption exercise08/24$0SEC
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 | sale10b5-1 | 4.19k | -$77.3M | S | +1.0% | 08/24 | 08/20 | |
| ANET | Duda Kenneth | PRES | exercise10b5-1 | 3.99k | $5.65M | M | +1.0% | 08/24 | 08/20 | |
| ANET | Duda Kenneth | PRES | exercise10b5-1 | 13.3k | $20.3M | M | +1.0% | 08/24 | 08/20 | |
| ANET | Breithaupt Chantelle Yvette | SVPCFO | exercise | 1.35k | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Breithaupt Chantelle Yvette | SVPCFO | exercise | 10.9k | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Breithaupt Chantelle Yvette | SVPCFO | withholding | 6.14k | -$114M | F | +1.0% | 08/24 | 08/20 | |
| ANET | Breithaupt Chantelle Yvette | SVPCFO | exercise | 1.35k | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Breithaupt Chantelle Yvette | SVPCFO | exercise | 10.9k | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Wassenaar Yvonne | DIR | exercise | 538 | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Wassenaar Yvonne | DIR | exercise | 538 | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | TEMPLETON MARK B | DIR | exercise | 538 | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | TEMPLETON MARK B | DIR | exercise | 538 | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Scheinman Daniel | DIR | exercise | 538 | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Scheinman Daniel | DIR | exercise | 538 | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Lavender Robert G | DIR | exercise | 538 | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Lavender Robert G | DIR | exercise | 538 | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Giancarlo Charles H | DIR | exercise | 538 | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Giancarlo Charles H | DIR | exercise | 538 | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | CHEW LEWIS | DIR | exercise | 538 | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | CHEW LEWIS | DIR | exercise | 538 | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Battles Kelly Bodnar | DIR | exercise | 538 | $0 | M | +1.0% | 08/24 | 08/20 | |
| ANET | Battles Kelly Bodnar | DIR | exercise | 538 | $0 | M | +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.