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  4. [Form 4] Arista Networks, Inc. Insider Trading Activity

Trusts for relatives of Arista Networks (NYSE: ANET) CEO sell 1,032 shares

Filing Impact
(Moderate)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Arista Networks, Inc. reported that trusts for relatives of CEO and Chairperson Jayshree Ullal sold 1,032 shares of common stock on August 5, 2026. These indirect sales, executed in multiple open-market trades at weighted average prices between $197.00 and $212.8875 per share, were made pursuant to a Rule 10b5-1 trading plan entered on November 14, 2025 for the benefit of relatives. The shares are held in trusts where Ullal serves as co-trustee, shares voting and investment control, and disclaims beneficial ownership.

Positive

  • None.

Negative

  • None.
Insider Ullal Jayshree
Role CEO and Chairperson
Sold 1,032 shs ($208K)
Type Security Shares Price Value
Sale Common Stock F1, F2, F3 102 $197.116 $20K
Sale Common Stock F1, F4, F3 18 $198.5433 $4K
Sale Common Stock F1, F5, F3 37 $199.5091 $7K
Sale Common Stock F1, F6, F3 12 $200.4263 $2K
Sale Common Stock F1, F7, F3 248 $201.2927 $50K
Sale Common Stock F1, F8, F3 2 $202.3871 $404.77
Sale Common Stock F1, F9, F3 23 $203.5675 $5K
Sale Common Stock F1, F10, F3 19 $204.7292 $4K
Sale Common Stock F1, F11, F3 18 $205.6127 $4K
Sale Common Stock F1, F12, F3 1 $207.0532 $207.05
Sale Common Stock F1, F13, F3 7 $207.871 $1K
Sale Common Stock F1, F3 1 $209.00 $209.00
Sale Common Stock F1, F14, F3 24 $210.5985 $5K
Sale Common Stock F1, F15, F3 1 $211.734 $211.73
Sale Common Stock F1, F16, F3 3 $212.6377 $637.91
Sale Common Stock F1, F2, F3 102 $197.116 $20K
Sale Common Stock F1, F4, F3 18 $198.5433 $4K
Sale Common Stock F1, F5, F3 37 $199.5091 $7K
Sale Common Stock F1, F6, F3 12 $200.4263 $2K
Sale Common Stock F1, F7, F3 248 $201.2927 $50K
Sale Common Stock F1, F8, F3 2 $202.3871 $404.77
Sale Common Stock F1, F9, F3 23 $203.5675 $5K
Sale Common Stock F1, F10, F3 19 $204.7292 $4K
Sale Common Stock F1, F11, F3 18 $205.6127 $4K
Sale Common Stock F1, F12, F3 1 $207.0532 $207.05
Sale Common Stock F1, F13, F3 7 $207.871 $1K
Sale Common Stock F1, F3 1 $209.00 $209.00
Sale Common Stock F1, F14, F3 24 $210.5985 $5K
Sale Common Stock F1, F15, F3 1 $211.734 $211.73
Sale Common Stock F1, F16, F3 3 $212.6377 $637.91
Holdings After Transaction: Common Stock — 29,484 shares (Indirect, By Trust for Nephew); Common Stock — 29,484 shares (Indirect, By Trust for Niece)
Footnotes (16)
  1. F1. The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025.
  2. F2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $197.00 to $197.94, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
  3. F3. These shares are held in trust for the benefit of relatives 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.
  4. F4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $198.00 to $198.995, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
  5. F5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $199.00 to $199.99, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
  6. F6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $200.00 to $200.98, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
  7. F7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.00 to $201.97, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
  8. F8. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.04 to $202.98, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
  9. F9. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.04 to $204.03, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
  10. F10. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.045 to $205.04, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
  11. F11. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.08 to $205.91, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
  12. F12. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $206.39 to $207.355, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
  13. F13. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $207.495 to $208.30, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
  14. F14. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $210.04 to $210.92, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
  15. F15. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $211.21 to $211.95, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
  16. F16. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $212.23 to $212.8875, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
Shares sold 1,032 shares Total common shares sold indirectly via family trusts on August 5, 2026
Number of sale transactions 30 transactions Reported non-derivative sale entries of common stock on August 5, 2026
Lowest weighted-average price $197.00 per share Lower end of the weighted-average price range disclosed in footnote F2
Highest weighted-average price $212.8875 per share Upper end of the weighted-average price range disclosed in footnote F16
Trading plan adoption date November 14, 2025 Date the Rule 10b5-1 trading plan for the benefit of relatives was entered
Net shares sold 1,032 net shares sold NetSell direction across all reported transactions in the Form 4
Rule 10b5-1 trading plan regulatory
"The sale of shares was effected pursuant to a Rule 10b5-1 trading plan"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
weighted average price financial
"The price reported in Column 4 is a weighted average price."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
disclaims beneficial ownership regulatory
"shares but disclaims beneficial ownership of the shares."
co-trustee financial
"for which the reporting person serves as co-trustee."

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Form 4 Insider Transactions: What Each Field Means →

FAQ

What insider stock transactions did Arista Networks (ANET) disclose for August 5, 2026?
Arista Networks disclosed that trusts for relatives of CEO Jayshree Ullal sold 1,032 shares of common stock on August 5, 2026 in multiple open-market transactions, all reported as indirect sales on behalf of those family trusts.

How many ANET shares were sold in this Form 4 and over what price range?
The filing reports 1,032 ANET shares sold indirectly via family trusts. Footnotes state the weighted-average sale prices spanned from $197.00 to $212.8875 per share, reflecting numerous individual open-market trades within that price range.

Were the ANET insider sales by CEO Jayshree Ullal personal or through trusts?
The sales were through trusts for relatives, not direct personal trades. The shares are held in trusts where Ullal is co-trustee, shares voting and investment control, but disclaims beneficial ownership of the reported shares.

Were the ANET insider sales carried out under a Rule 10b5-1 trading plan?
Yes. Footnotes state the sales were effected pursuant to a Rule 10b5-1 trading plan entered by the reporting person on November 14, 2025 for the benefit of relatives, indicating the transactions followed a pre-established trading schedule.

How many separate sale transactions did the Arista Networks (ANET) Form 4 report?
The insider report lists 30 non-derivative sale entries, all coded as open-market or private sales of common stock. Each entry shows a small block of shares sold indirectly by trusts, with corresponding weighted-average prices disclosed in detailed footnotes.
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).
X
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*
Ullal Jayshree
(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)
CEO and Chairperson
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/05/2026		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 Stock08/05/2026S(1)102D$197.116(2)29,898IBy Trust for Nephew(3)
Common Stock08/05/2026S(1)18D$198.5433(4)29,880IBy Trust for Nephew(3)
Common Stock08/05/2026S(1)37D$199.5091(5)29,843IBy Trust for Nephew(3)
Common Stock08/05/2026S(1)12D$200.4263(6)29,831IBy Trust for Nephew(3)
Common Stock08/05/2026S(1)248D$201.2927(7)29,583IBy Trust for Nephew(3)
Common Stock08/05/2026S(1)2D$202.3871(8)29,581IBy Trust for Nephew(3)
Common Stock08/05/2026S(1)23D$203.5675(9)29,558IBy Trust for Nephew(3)
Common Stock08/05/2026S(1)19D$204.7292(10)29,539IBy Trust for Nephew(3)
Common Stock08/05/2026S(1)18D$205.6127(11)29,521IBy Trust for Nephew(3)
Common Stock08/05/2026S(1)1D$207.0532(12)29,520IBy Trust for Nephew(3)
Common Stock08/05/2026S(1)7D$207.871(13)29,513IBy Trust for Nephew(3)
Common Stock08/05/2026S(1)1D$20929,512IBy Trust for Nephew(3)
Common Stock08/05/2026S(1)24D$210.5985(14)29,488IBy Trust for Nephew(3)
Common Stock08/05/2026S(1)1D$211.734(15)29,487IBy Trust for Nephew(3)
Common Stock08/05/2026S(1)3D$212.6377(16)29,484IBy Trust for Nephew(3)
Common Stock08/05/2026S(1)102D$197.116(2)29,898IBy Trust for Niece(3)
Common Stock08/05/2026S(1)18D$198.5433(4)29,880IBy Trust for Niece(3)
Common Stock08/05/2026S(1)37D$199.5091(5)29,843IBy Trust for Niece(3)
Common Stock08/05/2026S(1)12D$200.4263(6)29,831IBy Trust for Niece(3)
Common Stock08/05/2026S(1)248D$201.2927(7)29,583IBy Trust for Niece(3)
Common Stock08/05/2026S(1)2D$202.3871(8)29,581IBy Trust for Niece(3)
Common Stock08/05/2026S(1)23D$203.5675(9)29,558IBy Trust for Niece(3)
Common Stock08/05/2026S(1)19D$204.7292(10)29,539IBy Trust for Niece(3)
Common Stock08/05/2026S(1)18D$205.6127(11)29,521IBy Trust for Niece(3)
Common Stock08/05/2026S(1)1D$207.0532(12)29,520IBy Trust for Niece(3)
Common Stock08/05/2026S(1)7D$207.871(13)29,513IBy Trust for Niece(3)
Common Stock08/05/2026S(1)1D$20929,512IBy Trust for Niece(3)
Common Stock08/05/2026S(1)24D$210.5985(14)29,488IBy Trust for Niece(3)
Common Stock08/05/2026S(1)1D$211.734(15)29,487IBy Trust for Niece(3)
Common Stock08/05/2026S(1)3D$212.6377(16)29,484IBy Trust for Niece(3)
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
Explanation of Responses:
1. The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025.
2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $197.00 to $197.94, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
3. These shares are held in trust for the benefit of relatives 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.
4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $198.00 to $198.995, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $199.00 to $199.99, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $200.00 to $200.98, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.00 to $201.97, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
8. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.04 to $202.98, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
9. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.04 to $204.03, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
10. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.045 to $205.04, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
11. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.08 to $205.91, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
12. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $206.39 to $207.355, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
13. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $207.495 to $208.30, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
14. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $210.04 to $210.92, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
15. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $211.21 to $211.95, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
16. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $212.23 to $212.8875, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Jayshree Ullal08/07/2026
** 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)

Source: View Original Filing on SEC EDGAR