Issuer selling holders report large sales (NASDAQ: AUR)

Rhea-AI Filing Summary

AUR-related parties reported sales of Common Stock via Form 144. The filing lists multiple transactions by entities identified as GREYLOCK 15 LIMITED PARTNERSHIP, GREYLOCK 15-A LIMITED PARTNERSHIP and GREYLOCK 15 PRINCIPALS LP on 05/15/2026 and 05/18/2026. Reported individual transactions include 4,948,637 shares on 05/15/2026 and 312,882 shares on 05/18/2026.

Key Figures

Largest sale reported: 4,948,637 shares Proceeds for largest sale: $38,639,947.42 Mid-sized sale: 312,882 shares +2 more

5 metrics

Largest sale reported 4,948,637 shares sale dated 05/15/2026 by GREYLOCK 15 LIMITED PARTNERSHIP

Proceeds for largest sale $38,639,947.42 proceeds listed for 4,948,637 shares on 05/15/2026

Mid-sized sale 312,882 shares sale dated 05/18/2026 by GREYLOCK 15 LIMITED PARTNERSHIP

Proceeds for mid-sized sale $2,348,241.99 proceeds listed for 312,882 shares on 05/18/2026

Smaller reported sale 17,382 shares sale dated 05/18/2026 with proceeds $130,455.39

Key Terms

Form 144, Stock Swap, Issuer

3 terms

Form 144 regulatory

"144: Securities Sold During The Past 3 Months"

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.

Stock Swap financial

"11/04/2021 | Merger/Acquisition | Issuer | Stock Swap"

Issuer legal

"11/04/2021 | Merger/Acquisition | Issuer"

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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	60118	437304.34	1653863906	05/28/2026	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	11/04/2021	Merger/Acquisition	Issuer			60118	11/04/2021	Stock Swap

* 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
GREYLOCK 15-A LIMITED PARTNERSHIP 1654 Smallman St, Pittsburgh PA 15222	Common	05/18/2026	17382	130455.39
GREYLOCK 15 PRINCIPALS LP 1654 Smallman St, Pittsburgh PA 15222	Common	05/18/2026	17382	130455.39
GREYLOCK 15 LIMITED PARTNERSHIP 1654 Smallman St, Pittsburgh PA 15222	Common	05/18/2026	312882	2348241.99
GREYLOCK 15-A LIMITED PARTNERSHIP 1654 Smallman St, Pittsburgh PA 15222	Common	05/15/2026	274925	2146669.39
GREYLOCK 15 PRINCIPALS LP 1654 Smallman St, Pittsburgh PA 15222	Common	05/15/2026	274925	2146669.39
GREYLOCK 15 LIMITED PARTNERSHIP 1654 Smallman St, Pittsburgh PA 15222	Common	05/15/2026	4948637	38639947.42

144: Remarks and Signature

Remarks

Date of Notice

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)

FAQ

What sales are reported in the AUR Form 144 filing?

The filing reports multiple sales by related holders, including 4,948,637 shares on 05/15/2026 and 312,882 shares on 05/18/2026. The transactions are listed under entities named GREYLOCK 15 and affiliates.

Who are the selling parties named in the filing for AUR?

The filing identifies GREYLOCK 15 LIMITED PARTNERSHIP, GREYLOCK 15-A LIMITED PARTNERSHIP, and GREYLOCK 15 PRINCIPALS LP as sellers, with addresses shown at 1654 Smallman St, Pittsburgh, PA.

What dollar amounts are shown for the reported AUR sales?

Reported consideration includes $38,639,947.42 for 4,948,637 shares on 05/15/2026 and $2,348,241.99 for 312,882 shares on 05/18/2026, as listed in the filing.

Are the sales linked to any corporate event in the filing?

The filing lists a Merger/Acquisition and indicates a Stock Swap dated 11/04/2021 under securities to be sold, but the documented sales are dated 05/15/2026 and 05/18/2026.