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Arista Networks, Inc. planned insider sales

In the last twelve months insiders at Arista Networks, Inc. filed 61 Form 144 notices of planned sales, 9.1 million shares worth $1.64 billion at the time of filing, from 9 sellers. The latest, filed 6 November 2026: Andreas Bechtolsheim (10% stockholder), 260,000 shares worth $44.4 million, planned for around 6 November 2026 through Goldman Sachs & Co. LLC. One notice's value as filed does not match the share price that day; it is marked in the table.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
6 November 2026Andreas Bechtolsheim10% Stockholder260,000$44.4 million6 November 2026None on Form 4 yetGoldman Sachs & Co. LLCAcquired from shareholder in private transactionForm 144
5 November 2026Andreas Bechtolsheim10% Stockholder260,000$41.4 million5 November 2026None on Form 4 yetGoldman Sachs & Co. LLCAcquired from shareholder in private transactionForm 144
30 October 2026Andreas Bechtolsheim10% Stockholder267,892$45.2 million30 October 2026267,892 shares from 30 October 2026Goldman Sachs & Co. LLCAcquired from shareholder in private transactionForm 144
20 October 2026Kenneth DudaOfficer24,000$4.4 million20 October 2026None on Form 4 yetJ.P. Morgan Securities LLCGrantor Annuity Trust distributionForm 144
20 October 2026Kenneth DudaOfficer24,000$4.4 million20 October 2026None on Form 4 yetJ.P. Morgan Securities LLCGrantor Annuity Trust distributionForm 144
20 October 2026Kenneth DudaOfficer30,000$5.5 million20 October 2026None on Form 4 yetJ.P. Morgan Securities LLCGiftForm 144
20 October 2026Kenneth DudaOfficer51,999$9.5 million20 October 202643,333 shares from 20 October 2026J.P. Morgan Securities LLCStock Option ExerciseForm 144
9 October 2026Ullal JayshreeOfficer, Director130,553$28.3 million9 October 2026158,543 shares from 8 October 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
8 October 2026Ullal JayshreeOfficer, Director27,990$203,720
value as filed; does not match the share price that day		8 October 202696,992 shares from 7 October 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
7 October 2026Ullal JayshreeOfficer, Director96,992$21.1 million7 October 2026460,374 shares from 6 October 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
6 October 2026Chantelle BreithauptOfficer1,224$253,2466 October 20261,224 shares from 6 October 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
6 October 2026Ullal JayshreeOfficer, Director460,374$97.6 million6 October 2026None on Form 4 yetFidelity Brokerage Services LLCStock Option ExerciseForm 144
25 September 2026Ullal JayshreeOfficer, Director62,622$13.2 million25 September 202662,622 shares from 25 September 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
17 September 2026Andreas Bechtolsheim10% Stockholder300,000$59.9 million17 September 2026300,000 shares from 17 September 2026Goldman Sachs & Co. LLCAcquired from shareholder in private transactionForm 144
8 September 2026Mark TempletonDirector20,000$3.9 million8 September 202615,000 shares from 8 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
1 September 2026Chantelle BreithauptOfficer612$119,7621 September 2026612 shares from 1 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
27 August 2026Andreas Bechtolsheim10% Stockholder300,000$60.3 million27 August 2026300,000 shares from 27 August 2026Goldman Sachs & Co. LLCAcquired from shareholder in private transactionForm 144
25 August 2026Ullal JayshreeOfficer, Director13,809$2.6 million25 August 202613,809 shares from 25 August 2026Fidelity Brokerage Services LLCPSUForm 144
21 August 2026Kelly BattlesDirector422$61,79721 August 2026422 shares from 21 August 2026J.P. Morgan Securities LLCCompensationForm 144
12 August 2026Ullal JayshreeOfficer, Director573,509$119.4 million5 August 2026573,509 shares from 12 August 2026Fidelity Brokerage Services LLCStock Options exerciseForm 144
6 August 2026Andreas Bechtolsheim10% Stockholder411,848$79.2 million6 August 2026711,848 shares from 5 August 2026Goldman Sachs & Co. LLCRestricted Stock Units; Acquired from shareholder in private transactionForm 144
5 August 2026Andreas Bechtolsheim10% Stockholder300,000$59.2 million5 August 2026No matching Form 4 saleGoldman Sachs & Co. LLCAcquired from shareholder in private transactionForm 144
5 August 2026Ullal JayshreeOfficer, Director1,099,495$221.2 million5 August 20261,099,495 shares from 5 August 2026Fidelity Brokerage Services LLCStock Options exerciseForm 144
3 August 2026Charles GiancarloDirector8,000$1.4 million3 August 20268,000 shares from 3 August 2026J.P. Morgan Securities LLCRSU; Stock Option ExerciseForm 144
14 July 2026Andreas Bechtolsheim10% Stockholder300,000$54.8 million14 July 2026300,000 shares from 14 July 2026Goldman Sachs & Co. LLCAcquired from shareholder in private transactionForm 144
10 July 2026Ullal JayshreeOfficer, Director234,578$43.9 million10 July 2026477,000 shares from 9 July 2026Fidelity Brokerage Services LLCStock Options exerciseForm 144
9 July 2026Ullal JayshreeOfficer, Director242,422$45.6 million9 July 2026No matching Form 4 saleFidelity Brokerage Services LLCStock Options exerciseForm 144
2 July 2026Andreas Bechtolsheim10% Stockholder240,000$38.4 million2 July 2026500,000 shares from 1 July 2026Goldman Sachs & Co. LLCAcquired from shareholder in private transactionForm 144
1 July 2026Andreas Bechtolsheim10% Stockholder260,000$43.3 million1 July 2026No matching Form 4 saleGoldman Sachs & Co. LLCAcquired from shareholder in private transactionForm 144
22 June 2026Kenneth DudaOfficer32,000$5.6 million22 June 2026No matching Form 4 saleJ.P. Morgan Securities LLCGift; Grantor Annuity Trust distributionForm 144
22 June 2026Kenneth DudaOfficer32,000$5.6 million22 June 2026No matching Form 4 saleJ.P. Morgan Securities LLCGift; Grantor Annuity Trust distributionForm 144
22 June 2026Kenneth DudaOfficer40,000$7.0 million22 June 2026No matching Form 4 saleJ.P. Morgan Securities LLCGiftForm 144
22 June 2026Kenneth DudaOfficer69,332$12.1 million22 June 2026129,999 shares from 22 June 2026J.P. Morgan Securities LLCStock Option ExerciseForm 144
15 June 2026Andreas Bechtolsheim10% Stockholder260,000$44.0 million15 June 2026260,000 shares from 15 June 2026Goldman Sachs & Co. LLCAcquired from shareholder in private transactionForm 144
5 June 2026Andreas Bechtolsheim10% Stockholder220,000$33.9 million5 June 2026460,000 shares from 4 June 2026Goldman Sachs & Co. LLCRestricted Stock UnitsForm 144
4 June 2026Andreas Bechtolsheim10% Stockholder240,000$39.8 million4 June 2026No matching Form 4 saleGoldman Sachs & Co. LLCRestricted Stock Units; Stock OptionsForm 144
26 May 2026Chantelle BreithauptOfficer2,448$377,06526 May 20262,448 shares from 26 May 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
26 May 2026Ullal JayshreeOfficer, Director13,809$2.1 million26 May 202613,809 shares from 26 May 2026Fidelity Brokerage Services LLCPSUForm 144
26 May 2026Andreas Bechtolsheim10% Stockholder220,000$34.8 million26 May 2026220,000 shares from 26 May 2026Goldman Sachs & Co. LLCRestricted Stock UnitsForm 144
22 May 2026Andreas Bechtolsheim10% Stockholder205,000$31.6 million22 May 2026205,000 shares from 22 May 2026Goldman Sachs & Co. LLCRestricted Stock UnitsForm 144
20 May 2026Yvonne WassenaarDirector971$136,84620 May 2026971 shares from 20 May 2026J.P. Morgan Securities LLCRestricted Stock AwardForm 144
1 May 2026Charles GiancarloDirector24,000$4.1 million1 May 202624,000 shares from 1 May 2026J.P. Morgan Securities LLCStock Option ExerciseForm 144
22 April 2026Ullal JayshreeOfficer, Director428,000$75.9 million22 April 2026521,861 shares from 21 April 2026Fidelity Brokerage Services LLCstock option exerciseForm 144
21 April 2026Ullal JayshreeOfficer, Director93,861$15.8 million21 April 2026306,139 shares from 20 April 2026Fidelity Brokerage Services LLCstock option exerciseForm 144
20 April 2026Ullal JayshreeOfficer, Director306,139$51.2 million20 April 2026No matching Form 4 saleFidelity Brokerage Services LLCstock option exerciseForm 144
16 April 2026Ullal JayshreeOfficer, Director350,000$55.8 million16 April 2026350,000 shares from 16 April 2026Fidelity Brokerage Services LLCstock option exerciseForm 144
14 April 2026Chantelle BreithauptOfficer8,890$1.4 million14 April 20268,890 shares from 14 April 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesPSU / RSUForm 144
13 April 2026Ullal JayshreeOfficer, Director112,812$16.9 million13 April 2026112,812 shares from 13 April 2026Fidelity Brokerage Services LLCPSUForm 144
17 March 2026Kenneth DudaOfficer24,000$3.2 million17 March 2026No matching Form 4 saleJ.P. Morgan Securities LLCGrantor Annuity Trust distributionForm 144
17 March 2026Kenneth DudaOfficer24,000$3.2 million17 March 2026No matching Form 4 saleJ.P. Morgan Securities LLCGrantor Annuity Trust distributionForm 144
17 March 2026Kenneth DudaOfficer30,000$4.1 million17 March 2026No matching Form 4 saleJ.P. Morgan Securities LLCGiftForm 144
17 March 2026Kenneth DudaOfficer96,000$13.0 million17 March 2026174,000 shares from 17 March 2026J.P. Morgan Securities LLCStock Option ExerciseForm 144
25 February 2026Yvonne WassenaarDirector4,605$611,45225 February 20264,605 shares from 25 February 2026J.P. Morgan Securities LLCRestricted Stock AwardForm 144
23 February 2026Kelly BattlesDirector422$55,37523 February 2026844 shares from 23 February 2026J.P. Morgan Securities LLCCompensationForm 144
2 January 2026Charles GiancarloDirector32,000$4.3 million2 January 202632,000 shares from 2 January 2026J.P. Morgan Securities LLCStock Option ExerciseForm 144
17 December 2025Kenneth DudaOfficer24,000$3.0 million17 December 2025No matching Form 4 saleJ.P. Morgan Securities LLCGrantor Annuity Trust distributionForm 144
17 December 2025Kenneth DudaOfficer24,000$3.0 million17 December 2025No matching Form 4 saleJ.P. Morgan Securities LLCGrantor Annuity Trust distributionForm 144
17 December 2025Kenneth DudaOfficer30,000$3.8 million17 December 2025No matching Form 4 saleJ.P. Morgan Securities LLCGiftForm 144
17 December 2025Kenneth DudaOfficer92,000$11.6 million17 December 2025170,000 shares from 17 December 2025J.P. Morgan Securities LLCStock Option ExerciseForm 144
25 November 2025Jayshree UllalOfficer and Director24,042$2.9 million25 November 202524,042 shares from 25 November 2025J.P. Morgan Securities LLCPSUForm 144
21 November 2025Kelly BattlesDirector422$50,46721 November 2025422 shares from 21 November 2025J.P. Morgan Securities LLCCompensationForm 144
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
Read moreValue is the filer's own aggregate market value. Sold, per Form 4: the same seller's open-market sales on Form 4 from the notice's date to 90 days after, added up, as they appear on the insiders page; a holder who files no Form 4, such as some large holders, never shows one. What is a Form 144?