STOCK TITAN

Kenneth Duda (ANET) reports RSU vesting, trust holdings and tax share disposal

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

Rhea-AI Filing Summary

Arista Networks President and CTO Kenneth Duda reported a series of equity compensation events involving restricted stock units (RSUs) and common stock on February 20, 2026. Multiple RSU awards, including 44,240 units under one grant and 19,576 and 14,400 units under others, were granted or vested and then exercised into Arista common stock at a stated price of $0.0000 per share.

The resulting common shares are largely held indirectly by family-related trusts and a foundation, where Duda serves or shares roles such as trustee or co‑trustee. One transaction shows 54,823 common shares held by a family trust disposed of at $137.23 per share to satisfy tax withholding obligations on RSU vesting, rather than an open‑market sale. Footnotes explain that each RSU converts into one share and describe quarterly vesting schedules and performance‑based awards that were earned and vested on February 20, 2026.

Positive

  • None.

Negative

  • None.

Insights

Routine RSU vesting, grants, and tax withholding with no clear thesis change.

The activity centers on equity compensation mechanics for Arista Networks’ President and CTO, Kenneth Duda. Several restricted stock unit and performance stock awards vested or were granted, then converted into common stock largely held through family trusts and related entities where he holds trustee roles.

A key item is the disposition of 54,823 common shares at $137.23 per share by a family trust, explicitly described as shares withheld to cover tax obligations on RSU vesting, not an open‑market sale. This kind of non‑discretionary tax withholding is common in equity plans and typically does not signal a change in insider sentiment.

Footnotes detail quarterly vesting schedules of 6.25% or 5% for various RSU awards and confirm that each unit represents one share of common stock upon vesting. Overall, these transactions appear to be standard compensation and tax events, making the information informative on insider holdings structure but not obviously impactful for a long‑term investment thesis.

Insider Duda Kenneth
Role President and CTO
Type Security Shares Price Value
Exercise Restricted Stock Unit - 17 1,350 $0.00 --
Grant/Award Restricted Stock Unit - 18 19,576 $0.00 --
Exercise Restricted Stock Unit - 18 19,576 $0.00 --
Grant/Award Restricted Stock Unit - 19 14,400 $0.00 --
Exercise Restricted Stock Unit - 19 14,400 $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 --
Grant/Award Restricted Stock Unit-16 44,240 $0.00 --
Exercise Restricted Stock Unit-16 44,240 $0.00 --
Exercise Restricted Stock Unit-8 3,880 $0.00 --
Exercise Common Stock 3,880 $0.00 --
Exercise Common Stock 4,148 $0.00 --
Exercise Common Stock 44,240 $0.00 --
Exercise Common Stock 1,836 $0.00 --
Exercise Common Stock 19,816 $0.00 --
Exercise Common Stock 1,350 $0.00 --
Exercise Common Stock 14,400 $0.00 --
Exercise Common Stock 19,576 $0.00 --
Tax Withholding Common Stock 54,823 $137.23 $7.52M
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Restricted Stock Unit - 17 — 20,250 shares (Direct); Restricted Stock Unit - 18 — 19,576 shares (Direct); Restricted Stock Unit - 19 — 14,400 shares (Direct); Restricted Stock Unit-11 — 29,032 shares (Direct); Restricted Stock Unit-13 — 20,184 shares (Direct); Restricted Stock Unit-14 — 356,688 shares (Direct); Restricted Stock Unit-16 — 44,240 shares (Direct); Restricted Stock Unit-8 — 11,648 shares (Direct); Common Stock — 38,963 shares (Indirect, by Trust); Common Stock — 12,976 shares (Direct)
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. This performance stock award was granted in the first quarter of 2024 and was earned based on attainment of certain performance conditions. The award vested on February 20, 2026. This performance stock award was granted in the first quarter of 2025 and was earned based on attainment of certain performance conditions. The award vested on February 20, 2026. 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. This performance stock award was granted in the first quarter of 2023 and was earned based on attainment of certain performance conditions. The award vested on February 20, 2026. 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.
SEC Form 4
FORM 4 UNITED 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 CA 95054

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Arista Networks, Inc. [ ANET ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
X Officer (give title below) Other (specify below)
President and CTO
3. Date of Earliest Transaction (Month/Day/Year)
02/20/2026
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
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)
Code V Amount (A) or (D) Price
Common Stock 02/20/2026 M 3,880 A $0.0(1) 38,963 I by Trust(2)
Common Stock 02/20/2026 M 4,148 A $0.0(1) 43,111 I by Trust(2)
Common Stock 02/20/2026 M 44,240 A $0.0(1) 87,351 I by Trust(2)
Common Stock 02/20/2026 M 1,836 A $0.0(1) 89,187 I by Trust(2)
Common Stock 02/20/2026 M 19,816 A $0.0(1) 109,003 I by Trust(2)
Common Stock 02/20/2026 M 1,350 A $0.0(1) 110,353 I by Trust(2)
Common Stock 02/20/2026 M 14,400 A $0.0(1) 124,753 I by Trust(2)
Common Stock 02/20/2026 M 19,576 A $0.0(1) 144,329 I by Trust(2)
Common Stock 02/20/2026 F(3) 54,823 D $137.23 89,506 I by Trust(2)
Common Stock 12,976 D
Common Stock 1,111,168 I By Childrens' Trust(4)
Common Stock 512,400 I By Foundation(5)
Common Stock 757,961 I By GRAT JD(6)
Common Stock 757,961 I By 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)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Unit - 17 $0.0(1) 02/20/2026 M 1,350 (8) (8) Common Stock 1,350 $0.0 20,250 D
Restricted Stock Unit - 18 $0.0(1) 02/20/2026 A 19,576 (9) (9) Common Stock 19,576 $0.0 19,576 D
Restricted Stock Unit - 18 $0.0(1) 02/20/2026 M 19,576 (9) (9) Common Stock 19,576 $0.0 0 D
Restricted Stock Unit - 19 $0.0(1) 02/20/2026 A 14,400 (10) (10) Common Stock 14,400 $0.0 14,400 D
Restricted Stock Unit - 19 $0.0(1) 02/20/2026 M 14,400 (10) (10) Common Stock 14,400 $0.0 0 D
Restricted Stock Unit-11 $0.0(1) 02/20/2026 M 4,148 (11) (11) Common Stock 4,148 $0.0 29,032 D
Restricted Stock Unit-13 $0.0(1) 02/20/2026 M 1,836 (12) (12) Common Stock 1,836 $0.0 20,184 D
Restricted Stock Unit-14 $0.0(1) 02/20/2026 M 19,816 (13) (13) Common Stock 19,816 $0.0 356,688 D
Restricted Stock Unit-16 $0.0(1) 02/20/2026 A 44,240 (14) (14) Common Stock 44,240 $0.0 44,240 D
Restricted Stock Unit-16 $0.0(1) 02/20/2026 M 44,240 (14) (14) Common Stock 44,240 $0.0 0 D
Restricted Stock Unit-8 $0.0(1) 02/20/2026 M 3,880 (15) (15) Common Stock 3,880 $0.0 11,648 D
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. This performance stock award was granted in the first quarter of 2024 and was earned based on attainment of certain performance conditions. The award vested on February 20, 2026.
10. This performance stock award was granted in the first quarter of 2025 and was earned based on attainment of certain performance conditions. The award vested on February 20, 2026.
11. 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.
12. 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.
13. 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.
14. This performance stock award was granted in the first quarter of 2023 and was earned based on attainment of certain performance conditions. The award vested on February 20, 2026.
15. 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 Duda 02/24/2026
** Signature of Reporting Person Date
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.

FAQ

What insider activity did Kenneth Duda report for Arista Networks (ANET)?

Kenneth Duda reported vesting and exercises of several restricted stock unit and performance stock awards that converted into Arista Networks common stock. Most resulting shares are held through family-related trusts and entities where he is trustee or co-trustee, reflecting compensation mechanics rather than open-market trading.

Were any Arista Networks (ANET) shares sold by Kenneth Duda in this Form 4?

The filing reports 54,823 Arista Networks common shares disposed of by a family trust at $137.23 per share. Footnotes state these shares were withheld to satisfy tax withholding obligations on vested restricted stock units, indicating a tax-related disposition instead of a discretionary open-market sale.

What restricted stock unit awards did Kenneth Duda receive or vest at Arista Networks (ANET)?

The Form 4 shows multiple RSU awards, including 44,240 units under one grant and 19,576 and 14,400 units under others. Footnotes explain that each restricted stock unit converts into one share of Arista Networks common stock upon vesting and describe performance-based awards earned on February 20, 2026.

How do the vesting schedules work for Kenneth Duda’s Arista Networks (ANET) RSUs?

Footnotes state that some RSU awards vest at a 6.25% quarterly rate and others at 5%. Quarterly vest dates occur on the first market trading day on or after February 20, May 20, August 20, and November 20 each year, creating a regular vesting pattern over time.

Are Kenneth Duda’s Arista Networks (ANET) shares held directly or through trusts?

The filing shows a mix of direct and indirect ownership. Many Arista Networks common shares are held by family trusts, a children’s trust, a foundation, and annuity trusts, with Kenneth Duda or his spouse serving as trustee or co‑trustee, and some interests specifically disclaimed as beneficial ownership.

What does the tax withholding transaction mean in Kenneth Duda’s Arista Networks (ANET) Form 4?

A family trust disposed of 54,823 Arista Networks common shares at $137.23 per share to satisfy tax withholding obligations on RSU vesting. This is characterized as payment of tax liabilities by delivering shares, distinct from an elective sale on the open market by the insider.