Arista director trust sells 8,000 shares

Arista Networks director Charles H. Giancarlo, through a family trust, reported open-market sales of 8,000 shares of Common Stock on April 1, 2026.

Rhea-AI Filing Summary

Arista Networks director Charles H. Giancarlo, through a family trust, reported open-market sales of 8,000 shares of Common Stock on April 1, 2026. The transactions were executed in three blocks at weighted average prices between about $124.90 and $127.09 per share, as detailed in the price ranges.

After these sales, the family trust for which he is co-trustee held 216,333 shares of Arista Networks common stock in indirect ownership. The filing notes that prices are reported on a weighted-average basis across multiple small trades within the disclosed ranges.

Insider Trade Summary 10b5-1

Net Seller: 8,000 shares

Net Sell 3 txns

Insider Giancarlo Charles H

Role Director

Sold 8,000 shs ($1.01M)

Type	Security	Shares	Price	Value
Sale	Common Stock	3,898	$125.3808	$489K
Sale	Common Stock	3,702	$126.4372	$468K
Sale	Common Stock	400	$126.9964	$51K

Holdings After Transaction: Common Stock — 216,333 shares (Indirect, by Trust)

Footnotes (5)

1. F1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $124.90 to $125.89, 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.
2. F2. The number of shares held reflects the transfer of 222,549 shares of Common Stock from the reporting person to a family trust for which the reporting person is co-trustee.
3. F3. These shares are held by a family trust for which the reporting person is co-trustee.
4. F4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $125.90 to $126.85, 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 $126.90 to $127.09, 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.

Key Figures

Shares sold: 8,000 shares First sale price: $125.3808 per share Second sale price: $126.4372 per share +3 more

6 metrics

Shares sold 8,000 shares Total net shares sold on April 1, 2026

First sale price $125.3808 per share Weighted average price for 3,898-share sale

Second sale price $126.4372 per share Weighted average price for 3,702-share sale

Third sale price $126.9964 per share Weighted average price for 400-share sale

Post-sale holdings 216,333 shares Indirectly held by family trust after transactions

Initial indirect holdings snapshot 220,435 shares Indirect holdings after first reported sale entry

Key Terms

weighted average price, family trust, co-trustee, open-market sale, +1 more

5 terms

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.

family trust financial

"These shares are held by a family trust for which the reporting person is co-trustee."

co-trustee financial

"a family trust for which the reporting person is co-trustee."

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

indirect ownership financial

""ownership_type": "indirect""

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did Arista Networks (ANET) report for Charles H. Giancarlo?

Arista Networks director Charles H. Giancarlo reported selling 8,000 shares of Common Stock on April 1, 2026. The sales were executed in three open-market transactions at weighted average prices between roughly $124.90 and $127.09 per share through a family trust.

At what prices were the ANET shares sold in this Form 4 filing?

The Form 4 shows weighted average prices of $125.3808, $126.4372 and $126.9964 per share. Footnotes explain these reflect multiple trades within ranges of $124.90–$125.89, $125.90–$126.85 and $126.90–$127.09, with full trade-by-trade detail available upon request.

How many Arista Networks (ANET) shares does the family trust hold after the sale?

Following the reported sales, the family trust associated with director Charles H. Giancarlo holds 216,333 shares of Arista Networks Common Stock indirectly. The trust is identified as a family trust for which the reporting person serves as co-trustee in the ownership footnotes.

Were the ANET insider transactions direct or through a related entity?

The reported transactions were indirect, executed through a family trust. The Form 4 marks ownership as indirect and notes that the shares are “held by a family trust for which the reporting person is co-trustee,” clarifying the structure of the holdings and sales.

How many separate sale transactions are disclosed in this ANET Form 4?

The filing lists three sale entries totaling 8,000 shares of Common Stock. Each entry has its own weighted average sale price, and footnotes state that these represent multiple smaller trades within specified price ranges on April 1, 2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/03/2026 - 06:31 PM Learn about SEC filing dates

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).

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^*

Giancarlo Charles H

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form 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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	04/01/2026		S		3,898	D	$125.3808(1)	220,435(2)	I	by Trust(3)
Common Stock	04/01/2026		S		3,702	D	$126.4372(4)	216,733	I	by Trust(3)
Common Stock	04/01/2026		S		400	D	$126.9964(5)	216,333	I	by Trust(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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $124.90 to $125.89, 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.

2. The number of shares held reflects the transfer of 222,549 shares of Common Stock from the reporting person to a family trust for which the reporting person is co-trustee.

3. These shares are held by a family trust for which the reporting person is co-trustee.

4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $125.90 to $126.85, 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 $126.90 to $127.09, 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: Charles Giancarlo	04/03/2026
	** 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.
* Form 4: SEC 1474 (03-26)