Arteris (AIP) director Viana sells 20,000 shares under 10b5-1 plan

Rhea-AI Filing Summary

Arteris, Inc. director Antonio J. Viana, through the Viana Family Trust, sold 20,000 shares of Arteris common stock in an open-market transaction at a weighted average price of $26.1117 per share. After the sale, the trust held 124,620 shares indirectly, and Viana held 20,840 shares directly. The sale was executed under a Rule 10b5-1 trading plan adopted on June 10, 2025.

Insider Trade Summary 10b5-1

Net Seller: 20,000 shares ($522,234)

Net Sell 2 txns

Insider Viana Antonio J

Role null

Sold 20,000 shs ($522K)

Type	Security	Shares	Price	Value
Sale	Common Stock	20,000	$26.1117	$522K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 124,620 shares (Indirect, Viana Family Trust); Common Stock — 20,840 shares (Direct, null)

Footnotes (1)

1. Transaction made pursuant to a 10b5-1 trading plan that was adopted by the Reporting Person on June 10, 2025. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $26.00 to $26.35 inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, 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: 20,000 shares Weighted average sale price: $26.1117 per share Sale price range: $26.00–$26.35 per share +4 more

7 metrics

Shares sold 20,000 shares Open-market sale of Arteris common stock

Weighted average sale price $26.1117 per share Average price for 20,000 shares sold

Sale price range $26.00–$26.35 per share Range of prices across multiple transactions

Indirect holdings after sale 124,620 shares Arteris common stock held by Viana Family Trust

Direct holdings after filing 20,840 shares Arteris common stock held directly by Antonio J. Viana

Rule 10b5-1 plan adoption date June 10, 2025 Date pre-arranged trading plan was adopted

Net share direction 20,000 net shares sold Net-sell activity in this Form 4

Key Terms

Rule 10b5-1 trading plan, weighted average sale price, open-market sale, indirect ownership, +1 more

5 terms

Rule 10b5-1 trading plan regulatory

"Transaction made pursuant to a 10b5-1 trading plan that was adopted by the Reporting Person"

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 sale price financial

"The price reported in Column 4 is a weighted average sale price."

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", "ownership_code": "I""

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Form 4 Insider Transactions: What Each Field Means →

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^*

Viana Antonio J

(Last) (First) (Middle)

C/O ARTERIS, INC.

900 E. HAMILTON AVE., SUITE 300

(Street)

CAMPBELL CALIFORNIA 95008

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Arteris, Inc. [ AIP ]

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)
04/24/2026

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	04/24/2026		S(1)		20,000	D	$26.1117(2)	124,620	I	Viana Family Trust
Common Stock								20,840	D

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. Transaction made pursuant to a 10b5-1 trading plan that was adopted by the Reporting Person on June 10, 2025.

2. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $26.00 to $26.35 inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, 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.

Remarks:

	/s/ Paul Alpern, as Attorney-in-Fact for Viana Antonio J.	04/28/2026
	** 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)

FAQ

What did Arteris (AIP) director Antonio J. Viana do in this Form 4 filing?

Antonio J. Viana reported an open-market sale of 20,000 Arteris common shares through the Viana Family Trust. The transaction used a weighted average price of $26.1117 per share and was executed under a pre-established Rule 10b5-1 trading plan.

How many Arteris (AIP) shares did the Viana Family Trust sell and at what price?

The Viana Family Trust sold 20,000 Arteris common shares at a weighted average price of $26.1117. The filing notes multiple trades within a price range from $26.00 to $26.35 per share, with detailed breakdowns available upon request.

How many Arteris (AIP) shares does Antonio J. Viana hold after this transaction?

After the reported sale, the Viana Family Trust held 124,620 Arteris common shares indirectly. Separately, Antonio J. Viana held 20,840 shares directly, according to the post-transaction ownership figures disclosed in the Form 4 filing.

Was the Arteris (AIP) insider sale made under a Rule 10b5-1 trading plan?

Yes. The filing states the transaction was made under a Rule 10b5-1 trading plan adopted by the reporting person on June 10, 2025. Such plans pre-schedule trades, helping separate routine portfolio management from discretionary timing decisions.

Who is considered to have sold the Arteris (AIP) shares in this Form 4?

The 20,000 Arteris shares were sold by the Viana Family Trust, which is listed as holding the shares indirectly for Antonio J. Viana. The Form 4 attributes the transaction to this trust as the ownership vehicle.