Transactions
19
Insider / Arista Networks, Inc.
TEMPLETON MARK B
Director at Arista Networks, Inc.
- Company
- Arista Networks, Inc.
- Ticker
- ANET
- First filing on record
- November 24, 2025
- Latest trade on record
- October 1, 2026
- SEC filings
- EDGAR ↗
TEMPLETON MARK B, Director at Arista Networks, Inc., has disclosed 19 transactions in ANET since November 24, 2025: 0 purchases (0 open-market buys) and 10 sales, worth about $2.0M at the reported prices. The latest was filed October 5, 2026, 4 days after the trade.
Open-market buys
0
Sales
10
Avg. disclosure lag
3.3d
Trading in charts
Trade timeline
When does this person trade, how big, and in which direction? Every trade in the last 12 months.
Bought (above the line)Sold (below the line)Other transaction
In the last 12 months TEMPLETON MARK B made no purchases and 10 sales worth $2.0M, plus 9 other transactions. Dot size is the dollar amount.
Portfolio mix
Which stocks does this person trade most? Tile size is dollars traded, all time on record.
TEMPLETON MARK B has traded 1 stock on record; the largest by dollars is ANET.
Reporting lag
Does this person report on time? One bar per filing against the Form 4 deadline.
On timeLate
0 of 7 filings on record were reported after the Form 4 deadline (two business days, counted here as 4 calendar days).
What kind of transactions
Most Form 4 rows are pay arriving or tax being withheld, not a decision to buy or sell. Only code P is an open-market purchase and code S an open-market sale. What each code means: Form 4 transaction codes.
| Code | Meaning | Rows | Shares | Value |
|---|---|---|---|---|
| S | Open-market sale | 10 | 10,000 | $2.0M |
| M | Option exercise or conversion | 8 | 6,902 | — |
| A | Grant or award | 1 | 2,153 | — |
| Year | Rows | Bought | Sold |
|---|---|---|---|
| 2026 | 17 | 0 | 10 · $2.0M |
| 2025 | 2 | 0 | 0 |
Transactions
| Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| ANET | Sell S | October 1, 2026 | October 5, 2026 | 4d | 200 | $206 | $41K | 10b5-1 plan | Form 4 ↗ | |
| ANET | Sell S | October 1, 2026 | October 5, 2026 | 4d | 1,800 | $206 | $370K | 10b5-1 plan | Form 4 ↗ | |
| ANET | Sell S | October 1, 2026 | October 5, 2026 | 4d | 1,800 | $204 | $368K | 10b5-1 plan | Form 4 ↗ | |
| ANET | Sell S | October 1, 2026 | October 5, 2026 | 4d | 500 | $203 | $101K | 10b5-1 plan | Form 4 ↗ | |
| ANET | Sell S | October 1, 2026 | October 5, 2026 | 4d | 700 | $202 | $141K | 10b5-1 plan | Form 4 ↗ | |
| ANET | Sell S | September 8, 2026 | September 10, 2026 | 2d | 300 | $199 | $60K | 10b5-1 plan | Form 4 ↗ | |
| ANET | Sell S | September 8, 2026 | September 10, 2026 | 2d | 1,700 | $198 | $337K | 10b5-1 plan | Form 4 ↗ | |
| ANET | Sell S | September 8, 2026 | September 10, 2026 | 2d | 1,000 | $197 | $197K | 10b5-1 plan | Form 4 ↗ | |
| ANET | Sell S | September 8, 2026 | September 10, 2026 | 2d | 700 | $196 | $137K | 10b5-1 plan | Form 4 ↗ | |
| ANET | Sell S | September 8, 2026 | September 10, 2026 | 2d | 1,300 | $195 | $254K | 10b5-1 plan | Form 4 ↗ | |
| ANET | Option / conversion M | August 20, 2026 | August 24, 2026 | 4d | 538 | — | — | derivative | Form 4 ↗ | |
| ANET | Option / conversion M | August 20, 2026 | August 24, 2026 | 4d | 538 | — | — | Form 4 ↗ | ||
| ANET | Other A | May 29, 2026 | June 2, 2026 | 4d | 2,153 | — | — | derivative | Form 4 ↗ | |
| ANET | Option / conversion M | May 20, 2026 | May 22, 2026 | 2d | 971 | — | — | derivative | Form 4 ↗ | |
| ANET | Option / conversion M | May 20, 2026 | May 22, 2026 | 2d | 971 | — | — | Form 4 ↗ | ||
| ANET | Option / conversion M | February 20, 2026 | February 24, 2026 | 4d | 971 | — | — | derivative | Form 4 ↗ | |
| ANET | Option / conversion M | February 20, 2026 | February 24, 2026 | 4d | 971 | — | — | Form 4 ↗ | ||
| ANET | Option / conversion M | November 20, 2025 | November 24, 2025 | 4d | 971 | — | — | derivative | Form 4 ↗ | |
| ANET | Option / conversion M | November 20, 2025 | November 24, 2025 | 4d | 971 | — | — | Form 4 ↗ |
Filings
| Filed | Form | Accession | Rows | Status | Source |
|---|---|---|---|---|---|
| October 5, 2026 | Form 4 | 0001596532-26-000236 | 5 | published | EDGAR ↗ |
| September 10, 2026 | Form 4 | 0001596532-26-000226 | 5 | published | EDGAR ↗ |
| August 24, 2026 | Form 4 | 0001596532-26-000207 | 2 | published | EDGAR ↗ |
| June 2, 2026 | Form 4 | 0001596532-26-000128 | 1 | published | EDGAR ↗ |
| May 22, 2026 | Form 4 | 0001596532-26-000096 | 2 | published | EDGAR ↗ |
| February 24, 2026 | Form 4 | 0001596532-26-000036 | 2 | published | EDGAR ↗ |
| November 24, 2025 | Form 4 | 0001596532-25-000308 | 2 | published | EDGAR ↗ |
Other insiders at Arista Networks, Inc.
- Duda Kenneth President and CTO 297 rows
- Ullal Jayshree Director 197 rows
- BECHTOLSHEIM ANDREAS Insider 131 rows
- Giancarlo Charles H Director 72 rows
- Battles Kelly Bodnar Director 30 rows
- Breithaupt Chantelle Yvette Senior Vice President, CFO 29 rows
- Wassenaar Yvonne Director 27 rows
- CHEW LEWIS Director 13 rows
- Nightingale Todd President and COO 10 rows
- Lavender Robert G Director 9 rows
Everyone on file, with contracts and lobbying under the company's name: Arista Networks, Inc..
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- Rule 10b5-1 trading plans The plan must be set up when the insider has no important non-public information.
- Options and derivatives on Form 4 Table I = shares. Table II = options and other derivatives.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| SEC EDGAR, Form 4 | 7 | 19 | November 24, 2025 | October 5, 2026 | Form 4 list on EDGAR |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Every row comes from the reporting owner's Form 4 as filed with the SEC (EDGAR ownership XML), read daily. "Value" is shares × the reported price; code P is an open-market purchase, S a sale, M an option exercise, A a grant. The lag is the filing date minus the trade date; Form 4 is due within two business days. Amendments (4/A) are not merged. Details on the methodology page; report an error on corrections.
Not investment advice. Figures are public disclosures shown as filed; they may lag the trade and may be amended later. No recommendation is made or implied.