STOCK TITAN

Kenneth Duda (NYSE: ANET) details RSU vesting and tax-share withholding

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Arista Networks President and CTO Kenneth Duda reported routine equity compensation activity dated May 20, 2026. Trusts associated with him exercised restricted stock units into a total of 31,034 Arista common shares, while 15,545 shares at $141.58 each were withheld to satisfy tax obligations rather than sold on the market.

After these transactions, one family trust associated with Duda held 205,018 common shares, with additional indirect holdings in GRATs, a foundation and a children’s trust, plus remaining direct RSU balances. The disclosure shows no open‑market purchases or sales.

Positive

  • None.

Negative

  • None.
Insider Duda Kenneth
Role President and CTO
Type Security Shares Price Value
Exercise Restricted Stock Unit - 17 1,350 $0.00 --
Exercise Restricted Stock Unit-11 4,148 $0.00 --
Exercise Restricted Stock Unit-13 1,836 $0.00 --
Exercise Restricted Stock Unit-14 19,816 $0.00 --
Exercise Restricted Stock Unit-8 3,884 $0.00 --
Exercise Common Stock 3,884 $0.00 --
Exercise Common Stock 4,148 $0.00 --
Exercise Common Stock 1,836 $0.00 --
Exercise Common Stock 19,816 $0.00 --
Exercise Common Stock 1,350 $0.00 --
Tax Withholding Common Stock 15,545 $141.58 $2.20M
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Restricted Stock Unit - 17 — 18,900 shares (Direct, null); Restricted Stock Unit-11 — 24,884 shares (Direct, null); Restricted Stock Unit-13 — 18,348 shares (Direct, null); Restricted Stock Unit-14 — 336,872 shares (Direct, null); Restricted Stock Unit-8 — 7,764 shares (Direct, null); Common Stock — 205,018 shares (Indirect, by Trust); Common Stock — 12,976 shares (Direct, null)
Footnotes (1)
  1. Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. These shares are held by a family trust for which the reporting person is co-trustee. Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units. These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee. Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts. Reporting person is the trustee of the Kenneth Duda Annuity Trusts. Six and one-quarter percent (6.25%) of the restricted stock units awarded vested 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. Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on on February 20, 2024 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. Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on February 20, 2025 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. Five percent (5%) of the restricted stock awarded vested on November 20, 2025 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. Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on February 20, 2023 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.
RSU shares converted 31,034 shares Restricted stock units exercised or converted into Arista common stock on May 20, 2026
Shares withheld for taxes 15,545 shares at $141.58 Common shares withheld to satisfy tax obligations on RSU vesting
Trust holding after transactions 205,018 shares Common shares held by a trust associated with Kenneth Duda after activity
Children’s trust holding 1,063,168 shares Common shares held in a children’s trust where Duda serves as co‑trustee
Foundation holding 482,400 shares Common shares held by a 501(c) foundation linked to Duda
GRAT KD holding 702,147 shares Common shares held by GRAT KD as of the reported date
Direct RSU balance (series 14) 336,872 units Restricted Stock Unit-14 balance following the reported derivative transactions
Quarterly vesting rate 6.25% or 5.0% Portion of certain RSU or restricted stock awards vesting each quarterly vest date
restricted stock unit financial
"Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting."
A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.
tax withholding obligations financial
"Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units."
501(c) Foundation financial
"These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee."
GRAT financial
"Reporting person is the trustee of the Kenneth Duda Annuity Trusts."
co-trustee financial
"These shares are held by a family trust for which the reporting person is co-trustee."
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Duda Kenneth

(Last)(First)(Middle)
5453 GREAT AMERICA PARKWAY

(Street)
SANTA CLARA CALIFORNIA 95054

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Arista Networks, Inc. [ ANET ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
President and CTO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/20/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock05/20/2026M3,884A$0.0(1)205,018Iby Trust(2)
Common Stock05/20/2026M4,148A$0.0(1)209,166Iby Trust(2)
Common Stock05/20/2026M1,836A$0.0(1)211,002Iby Trust(2)
Common Stock05/20/2026M19,816A$0.0(1)230,818Iby Trust(2)
Common Stock05/20/2026M1,350A$0.0(1)232,168Iby Trust(2)
Common Stock05/20/2026F(3)15,545D$141.58216,623Iby Trust(2)
Common Stock12,976D
Common Stock1,063,168IBy Childrens' Trust(4)
Common Stock482,400IBy Foundation(5)
Common Stock702,147IBy GRAT JD(6)
Common Stock702,147IBy GRAT KD(7)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Unit - 17$0.0(1)05/20/2026M1,350 (8) (8)Common Stock1,350$0.018,900D
Restricted Stock Unit-11$0.0(1)05/20/2026M4,148 (9) (9)Common Stock4,148$0.024,884D
Restricted Stock Unit-13$0.0(1)05/20/2026M1,836 (10) (10)Common Stock1,836$0.018,348D
Restricted Stock Unit-14$0.0(1)05/20/2026M19,816 (11) (11)Common Stock19,816$0.0336,872D
Restricted Stock Unit-8$0.0(1)05/20/2026M3,884 (12) (12)Common Stock3,884$0.07,764D
Explanation of Responses:
1. Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.
2. These shares are held by a family trust for which the reporting person is co-trustee.
3. Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units.
4. These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
5. These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.
6. Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.
7. Reporting person is the trustee of the Kenneth Duda Annuity Trusts.
8. Six and one-quarter percent (6.25%) of the restricted stock units awarded vested 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.
9. Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on on February 20, 2024 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.
10. Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on February 20, 2025 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.
11. Five percent (5%) of the restricted stock awarded vested on November 20, 2025 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.
12. Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on February 20, 2023 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.
By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Kenneth Duda05/22/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What did Kenneth Duda report in this Arista Networks (ANET) Form 4?

Kenneth Duda reported routine equity compensation activity involving restricted stock units. Trusts associated with him converted RSUs into common stock and some shares were withheld for taxes, with no open‑market buying or selling disclosed in the filing.

Were there any open-market stock trades by Kenneth Duda in this ANET filing?

No open‑market trades were reported. The Form 4 shows RSU conversions and shares withheld to cover tax obligations, not discretionary market purchases or sales, indicating compensation-related activity rather than trading in the open market.

How many Arista Networks shares were withheld for taxes in Kenneth Duda’s Form 4?

The filing reports that 15,545 Arista Networks common shares were withheld at $141.58 per share. These shares were used to satisfy tax withholding obligations triggered by the vesting of restricted stock units, rather than being sold into the market.

What is the post-transaction holding for a trust associated with Kenneth Duda?

After the reported activity, one trust associated with Kenneth Duda held 205,018 Arista Networks common shares. The filing also lists other indirect holdings through GRATs, a foundation and a children’s trust, along with remaining restricted stock unit balances.

How are Kenneth Duda’s restricted stock units structured in this ANET filing?

Each restricted stock unit represents a contingent right to receive one Arista Networks common share upon vesting. Footnotes explain that specified percentages vest on defined quarterly dates, with vesting continuing at the same rate on each subsequent quarterly vest date.