AMBA (NASDAQ: AMBA) insider exercise files sale of 400 shares; past 10b5-1 trades listed

Rhea-AI Filing Summary

AMBA files a Form 144 disclosing proposed sale of 400 shares of Common Stock on 05/26/2026 via an exercise of stock options with cash considered the payment method. The filing also lists prior 10b5-1 sales by John A. Young: 1,971, 3,038, and 4,577 shares on 04/21/2026, 03/19/2026, and 03/17/2026, respectively.

Insights

Securities Compliance Analyst

Form 144 lists a small option exercise and recent 10b5-1 sales by an insider.

The filing records a proposed sale of 400 shares resulting from an option exercise on 05/26/2026, specifying cash as the consideration. It separately documents three completed 10b5-1 automated plan sales of 1,971, 3,038, and 4,577 shares on the dates shown.

These are routine compliance disclosures; cash‑flow treatment and recipient parties are described in the filing entries. Subsequent filings would show settlement details if required.

Equity Compensation Specialist

Exercise-driven sale and automated plan dispositions appear routine and compensation-related.

The 400-share entry is labeled "Exercise of Stock Options" and dated 05/26/2026, indicating issuance tied to option conversion. The prior entries are labeled as 10b5-1 Sales, consistent with pre-arranged plan dispositions by John A. Young.

These transactions typically reflect planned liquidity or tax withholding from option exercises; the filing does not disclose additional proceeds usage or remaining option positions.

Key Figures

Proposed sale: 400 shares 10b5-1 sale 1: 1,971 shares 10b5-1 sale 2: 3,038 shares +5 more

8 metrics

Proposed sale 400 shares exercise of stock options on <date>05/26/2026</date>

10b5-1 sale 1 1,971 shares sale on <date>04/21/2026</date>

10b5-1 sale 2 3,038 shares sale on <date>03/19/2026</date>

10b5-1 sale 3 4,577 shares sale on <date>03/17/2026</date>

Proceeds listed (sale 1) $118,260.00 corresponding to 1,971-share sale on <date>04/21/2026</date>

Proceeds listed (sale 2) $164,477.32 corresponding to 3,038-share sale on <date>03/19/2026</date>

Proceeds listed (sale 3) $241,528.29 corresponding to 4,577-share sale on <date>03/17/2026</date>

Numeric field present 43,788,879 numeric entry appearing with date <date>05/26/2026</date> in the excerpt

Key Terms

Form 144, 10b5-1 Sales, Exercise of Stock Options

3 terms

Form 144 regulatory

"144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

10b5-1 Sales regulatory

"10b5-1 Sales for JOHN A YOUNG"

10b5-1 sales are pre-arranged stock-trading plans that let company insiders automatically buy or sell shares according to a fixed schedule or formula, even if they later learn confidential information. Think of it as setting up an automatic thermostat for trades: it creates a clear, documented path that can protect insiders from insider-trading accusations and gives investors a signal about predictable insider activity—though it can also simply be a way for insiders to diversify or raise cash.

Exercise of Stock Options financial

"Securities To Be Sold | Exercise of Stock Options"

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

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Accepted by SEC EDGAR 05/26/2026 - 04:44 PM Learn about SEC filing dates

FAQ

What does AMBA's Form 144 disclose about the 05/26/2026 transaction?

It discloses a proposed sale of 400 shares on 05/26/2026 arising from an exercise of stock options. The filing lists cash as the consideration method for that exercise; no further proceeds detail is provided in the excerpt.

Who executed recent 10b5-1 sales shown in the AMBA Form 144?

The filing shows John A. Young executed the listed 10b5-1 sales. The recorded sales were 1,971, 3,038, and 4,577 shares on the dates provided in the excerpt.

What amounts were reported for the prior 10b5-1 sales in the filing?

The excerpt lists dollar figures alongside the 10b5-1 entries: $118,260.00, $164,477.32, and $241,528.29 correlated with the 1,971, 3,038, and 4,577 share sales, respectively, on the dates shown.

Does the Form 144 show shares outstanding or registration limits for AMBA?

The excerpt includes a numeric line containing 43,788,879, which appears alongside filing fields dated 05/26/2026. The filing excerpt does not explicitly label this as "shares outstanding" within the visible text.

Are the 10b5-1 sales described as pre-arranged in the filing excerpt?

Yes; the prior dispositions are labeled as 10b5-1 Sales, indicating they occurred under pre-arranged trading plans. The excerpt lists each sale with date, share count, and dollar amount.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	400	35020.00	43788879	05/26/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	05/26/2026	Exercise of Stock Options	Issuer			400	05/26/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
10b5-1 Sales for JOHN A YOUNG 3001 Tasman Drive Santa Clara CA 95054	Common	04/21/2026	1971	118260.00
JOHN YOUNG 3001 Tasman Drive Santa Clara CA 95054	Common	03/19/2026	3038	164477.32
JOHN YOUNG 3001 Tasman Drive Santa Clara CA 95054	Common	03/17/2026	4577	241528.29

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)