InsiderTrades

Form 4 for ANET Arista Networks

Accepted 2026-05-22 18:48:02 ET · period of report 2026-05-20 · accession 0001596532-26-000098 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
DM 2026-05-22 18:48 2026-05-20 ANET Breithaupt Chantelle Yvette SVP, CFO M - OptEx $0.00 +12.3K 73.0K +20% $0
D 2026-05-22 18:48 2026-05-20 ANET Breithaupt Chantelle Yvette SVP, CFO F - Tax $141.58 -6,144 66.9K -8% -$869.9K
DM 2026-05-22 18:48 2026-05-20 ANET Breithaupt Chantelle Yvette SVP, CFO M - OptEx $0.00 -12.3K 18.9K -39% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-05-20 M A 10,916 $0.00 71,650 D — — (F1) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.
2 Common Common Stock 2026-05-20 M A 1,350 $0.00 73,000 D — — (F1) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.
3 Common Common Stock 2026-05-20 F D 6,144 $141.58 66,856 D — — (F2) Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units.
4 Derivative Restricted Stock Unit-1 2026-05-20 M D 10,916 $0.00 76,424 D $0.00 · — to — 10,916 Common Stock (F1) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. (F3) Twenty five percent (25%) of the restricted stock units awarded vested on Feb 20, 2025 and will continue to vest at a rate of six and one-quarter percent (6.25%) each quarter on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20 or November 20 of each year. (F3) Twenty five percent (25%) of the restricted stock units awarded vested on Feb 20, 2025 and will continue to vest at a rate of six and one-quarter percent (6.25%) each quarter on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20 or November 20 of each year.
5 Derivative Restricted Stock Unit-2 2026-05-20 M D 1,350 $0.00 18,900 D $0.00 · — to — 1,350 Common Stock (F1) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. (F4) Six and one-quarter percent (6.25%) of the restricted stock units awarded vest on February 20, 2026 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year. (F4) Six and one-quarter percent (6.25%) of the restricted stock units awarded vest on February 20, 2026 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.