Form 4
Open-market sale
Insider Selling
2026-10-05
ANET insider TEMPLETON MARK B (Director) sold 5,000 shares (~$1.02M)
TEMPLETON MARK B, listed as Director at Arista Networks, Inc., reported an open-market sale of 5,000 ANET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.
Transactions reported on this filing
| Code |
Nature |
Shares |
Price |
Value |
S |
Open-market sale
|
700 |
$201.62 |
$141.1K |
S |
Open-market sale
|
500 |
$202.90 |
$101.4K |
S |
Open-market sale
|
1,800 |
$204.44 |
$368.0K |
S |
Open-market sale
|
1,800 |
$205.58 |
$370.0K |
S |
Open-market sale
|
200 |
$206.03 |
$41.2K |
Filing: Form 4 (Insider Transaction)
Insider: TEMPLETON MARK B (Director)
Shares: 5,000
Est. Value: $1.02M
Form 4
Open-market sale
Insider Selling
2026-09-29
ANET insider Ullal Jayshree (Director, CEO and Chairperson) sold 62,622 shares (~$13.24M)
Ullal Jayshree, listed as Director, CEO and Chairperson at Arista Networks, Inc., reported an open-market sale of 62,622 ANET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.
Transactions reported on this filing
| Code |
Nature |
Shares |
Price |
Value |
S |
Open-market sale
|
8,948 |
$211.40 |
$1.89M |
S |
Open-market sale
|
8,948 |
$211.40 |
$1.89M |
S |
Open-market sale
|
44,726 |
$211.40 |
$9.45M |
Filing: Form 4 (Insider Transaction)
Insider: Ullal Jayshree (Director, CEO and Chairperson)
Shares: 62,622
Est. Value: $13.24M
Form 4
Open-market sale
Insider Selling
2026-09-23
ANET insider Duda Kenneth (Director, President and CTO) sold 43,333 shares (~$8.82M)
Duda Kenneth, listed as Director, President and CTO at Arista Networks, Inc., reported an open-market sale of 43,333 ANET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.
Transactions reported on this filing
| Code |
Nature |
Shares |
Price |
Value |
M |
Option exercise
|
17,333 |
$14.15 |
$245.2K |
S |
Open-market sale
|
1,480 |
$201.70 |
$298.5K |
S |
Open-market sale
|
7,420 |
$202.66 |
$1.50M |
S |
Open-market sale
|
2,700 |
$203.49 |
$549.4K |
S |
Open-market sale
|
3,533 |
$204.78 |
$723.5K |
S |
Open-market sale
|
2,200 |
$205.50 |
$452.1K |
S |
Open-market sale
|
1,366 |
$201.70 |
$275.5K |
S |
Open-market sale
|
6,849 |
$202.66 |
$1.39M |
S |
Open-market sale
|
2,492 |
$203.49 |
$507.1K |
S |
Open-market sale
|
3,262 |
$204.78 |
$668.0K |
S |
Open-market sale
|
2,031 |
$205.50 |
$417.4K |
S |
Open-market sale
|
854 |
$201.70 |
$172.3K |
S |
Open-market sale
|
4,281 |
$202.66 |
$867.6K |
S |
Open-market sale
|
1,558 |
$203.49 |
$317.0K |
S |
Open-market sale
|
2,038 |
$204.78 |
$417.3K |
S |
Open-market sale
|
1,269 |
$205.50 |
$260.8K |
M |
Option exercise
derivative · Non-Qualified Stock Option (right to buy)
|
17,333 |
— |
— |
Filing: Form 4 (Insider Transaction)
Insider: Duda Kenneth (Director, President and CTO)
Shares: 43,333
Est. Value: $8.82M
Form 4
Open-market sale
Insider Selling
2026-09-21
ANET insider BECHTOLSHEIM ANDREAS (10% Owner) sold 300,000 shares (~$59.69M)
BECHTOLSHEIM ANDREAS, listed as 10% Owner at Arista Networks, Inc., reported an open-market sale of 300,000 ANET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.
Transactions reported on this filing
| Code |
Nature |
Shares |
Price |
Value |
S |
Open-market sale
|
7,168 |
$193.61 |
$1.39M |
S |
Open-market sale
|
29,271 |
$194.52 |
$5.69M |
S |
Open-market sale
|
32,836 |
$195.47 |
$6.42M |
S |
Open-market sale
|
20,418 |
$196.29 |
$4.01M |
S |
Open-market sale
|
17,947 |
$197.51 |
$3.54M |
S |
Open-market sale
|
26,435 |
$198.33 |
$5.24M |
S |
Open-market sale
|
38,920 |
$199.58 |
$7.77M |
S |
Open-market sale
|
58,043 |
$200.38 |
$11.63M |
S |
Open-market sale
|
16,239 |
$201.34 |
$3.27M |
S |
Open-market sale
|
15,701 |
$202.40 |
$3.18M |
S |
Open-market sale
|
25,096 |
$203.56 |
$5.11M |
S |
Open-market sale
|
11,926 |
$204.31 |
$2.44M |
Filing: Form 4 (Insider Transaction)
Insider: BECHTOLSHEIM ANDREAS (10% Owner)
Shares: 300,000
Est. Value: $59.69M
Form 4
Other reported transaction
Tax / Compensation Filing
2026-09-14
ANET insider Form 4 filed for equity award, exercise, or tax withholding
Duda Kenneth (Director, President and CTO) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
The filing reports a transaction type that does not map to a routine purchase, sale, award or withholding.
Transactions reported on this filing
| Code |
Nature |
Shares |
Price |
Value |
J |
Other transaction
|
28,616 |
— |
— |
J |
Other transaction
|
28,616 |
— |
— |
J |
Other transaction
|
57,232 |
— |
— |
Filing: Form 4 (Insider Transaction)
Insider: Duda Kenneth (Director, President and CTO)
Shares: 114,464
Form 4
Open-market sale
Insider Selling
2026-09-10
ANET insider TEMPLETON MARK B (Director) sold 5,000 shares (~$985.8K)
TEMPLETON MARK B, listed as Director at Arista Networks, Inc., reported an open-market sale of 5,000 ANET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.
Transactions reported on this filing
| Code |
Nature |
Shares |
Price |
Value |
S |
Open-market sale
|
1,300 |
$195.27 |
$253.8K |
S |
Open-market sale
|
700 |
$196.20 |
$137.3K |
S |
Open-market sale
|
1,000 |
$197.46 |
$197.5K |
S |
Open-market sale
|
1,700 |
$198.44 |
$337.3K |
S |
Open-market sale
|
300 |
$199.32 |
$59.8K |
Filing: Form 4 (Insider Transaction)
Insider: TEMPLETON MARK B (Director)
Shares: 5,000
Est. Value: $985.8K
Form 4
Other reported transaction
Tax / Compensation Filing
2026-09-10
ANET insider Form 4 filed for equity award, exercise, or tax withholding
Duda Kenneth (Director, President and CTO) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
The filing reports a transaction type that does not map to a routine purchase, sale, award or withholding.
Transactions reported on this filing
| Code |
Nature |
Shares |
Price |
Value |
J |
Other transaction
|
100,000 |
— |
— |
J |
Other transaction
|
100,000 |
— |
— |
J |
Other transaction
|
200,000 |
— |
— |
Filing: Form 4 (Insider Transaction)
Insider: Duda Kenneth (Director, President and CTO)
Shares: 400,000
Form 4
Open-market sale
Insider Selling
2026-09-03
ANET insider Breithaupt Chantelle Yvette (Senior Vice President, CFO) sold 612 shares (~$119.8K)
Breithaupt Chantelle Yvette, listed as Senior Vice President, CFO at Arista Networks, Inc., reported an open-market sale of 612 ANET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.
Transactions reported on this filing
| Code |
Nature |
Shares |
Price |
Value |
S |
Open-market sale
|
612 |
$195.77 |
$119.8K |
Filing: Form 4 (Insider Transaction)
Insider: Breithaupt Chantelle Yvette (Senior Vice President, CFO)
Shares: 612
Est. Value: $119.8K
Form 4
Other reported transaction
Tax / Compensation Filing
2026-09-01
ANET insider Form 4 filed for equity award, exercise, or tax withholding
Duda Kenneth (Director, President and CTO) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
The filing reports a transaction type that does not map to a routine purchase, sale, award or withholding.
Transactions reported on this filing
| Code |
Nature |
Shares |
Price |
Value |
J |
Other transaction
|
85,875 |
— |
— |
J |
Other transaction
|
85,875 |
— |
— |
J |
Other transaction
|
51,160 |
— |
— |
J |
Other transaction
|
42,937 |
— |
— |
J |
Other transaction
|
42,938 |
— |
— |
J |
Other transaction
|
51,160 |
— |
— |
J |
Other transaction
|
42,938 |
— |
— |
J |
Other transaction
|
42,937 |
— |
— |
J |
Other transaction
|
102,320 |
— |
— |
Filing: Form 4 (Insider Transaction)
Insider: Duda Kenneth (Director, President and CTO)
Shares: 548,140
Form 4
Open-market sale
Insider Selling
2026-08-31
ANET insider BECHTOLSHEIM ANDREAS (10% Owner) sold 300,000 shares (~$60.78M)
BECHTOLSHEIM ANDREAS, listed as 10% Owner at Arista Networks, Inc., reported an open-market sale of 300,000 ANET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.
Transactions reported on this filing
| Code |
Nature |
Shares |
Price |
Value |
S |
Open-market sale
|
15,053 |
$199.91 |
$3.01M |
S |
Open-market sale
|
50,091 |
$200.81 |
$10.06M |
S |
Open-market sale
|
70,054 |
$201.74 |
$14.13M |
S |
Open-market sale
|
73,794 |
$202.71 |
$14.96M |
S |
Open-market sale
|
20,852 |
$203.69 |
$4.25M |
S |
Open-market sale
|
64,510 |
$204.82 |
$13.21M |
S |
Open-market sale
|
5,646 |
$205.45 |
$1.16M |
Filing: Form 4 (Insider Transaction)
Insider: BECHTOLSHEIM ANDREAS (10% Owner)
Shares: 300,000
Est. Value: $60.78M
Form 4
Open-market sale
Insider Selling
2026-08-27
ANET insider Ullal Jayshree (Director, CEO and Chairperson) sold 13,809 shares (~$2.65M)
Ullal Jayshree, listed as Director, CEO and Chairperson at Arista Networks, Inc., reported an open-market sale of 13,809 ANET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.
Transactions reported on this filing
| Code |
Nature |
Shares |
Price |
Value |
S |
Open-market sale
|
3,281 |
$191.10 |
$627.0K |
S |
Open-market sale
|
10,128 |
$191.99 |
$1.94M |
S |
Open-market sale
|
400 |
$192.64 |
$77.1K |
Filing: Form 4 (Insider Transaction)
Insider: Ullal Jayshree (Director, CEO and Chairperson)
Shares: 13,809
Est. Value: $2.65M
Form 4
Open-market sale
Insider Selling
2026-08-25
ANET insider Battles Kelly Bodnar (Director) sold 422 shares (~$79.1K)
Battles Kelly Bodnar, listed as Director at Arista Networks, Inc., reported an open-market sale of 422 ANET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.
Transactions reported on this filing
| Code |
Nature |
Shares |
Price |
Value |
S |
Open-market sale
|
70 |
$184.77 |
$12.9K |
S |
Open-market sale
|
64 |
$185.61 |
$11.9K |
S |
Open-market sale
|
35 |
$186.93 |
$6.5K |
S |
Open-market sale
|
40 |
$187.77 |
$7.5K |
S |
Open-market sale
|
213 |
$188.69 |
$40.2K |
Filing: Form 4 (Insider Transaction)
Insider: Battles Kelly Bodnar (Director)
Shares: 422
Est. Value: $79.1K