Affiliate holders report large sales at AUR (NASDAQ: AUR) — multiple dates

Rhea-AI Filing Summary

AUR-related parties reported proposed and recent resale activity under a Form 144. The excerpt lists proposed sale method entries (a Stock Swap entry dated 11/04/2021) and multiple recent sales by related entities with date-stamped share counts and dollar values, including large dispositions on 05/15/2026 and 05/18/2026.

Insights

Securities Compliance Counsel

Form 144 entries show selling activity by related holders with dated sale quantities and proceeds.

The excerpt lists a Stock Swap entry dated 11/04/2021 and multiple sale records dated 05/15/2026 and 05/18/2026, with the largest single reported sale shown as 4,948,637 shares producing $38,639,947.42. These are recorded as resale/affiliate dispositions rather than an issuer primary offering.

Cash‑flow treatment and whether any sales were exempt under Rule 144 are not stated in the excerpt; subsequent filings or broker confirmations would clarify compliance and settlement details.

Key Figures

Largest reported sale: 4,948,637 shares Proceeds for largest sale: $38,639,947.42 Other notable sale: 312,882 shares +1 more

4 metrics

Largest reported sale 4,948,637 shares sale dated <date>05/15/2026</date>

Proceeds for largest sale $38,639,947.42 proceeds reported for 4,948,637 shares on <date>05/15/2026</date>

Other notable sale 312,882 shares sale dated <date>05/18/2026</date>

Another notable sale 274,925 shares sale dated <date>05/15/2026</date>

Key Terms

Form 144, Stock Swap, Selling holders

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

"Securities To Be Sold ... Stock Swap"

Selling holders financial

"Securities Sold During The Past 3 Months ... GREYLOCK 15 LIMITED PARTNERSHIP"

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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 PRINCIPALS LP 1654 Smallman St, Pittsburgh PA 15222	Common	05/18/2026	17382	130455.39
GREYLOCK 15-A LIMITED PARTNERSHIP 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 PRINCIPALS LP 1654 Smallman St, Pittsburgh PA 15222	Common	05/15/2026	274925	2146669.39
GREYLOCK 15-A LIMITED PARTNERSHIP 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 does the AUR Form 144 excerpt show?

The excerpt shows proposed and executed resale activity by affiliated holders: a Stock Swap dated 11/04/2021 and multiple sales on 05/15/2026 and 05/18/2026, each with share counts and gross dollar amounts.

Who sold shares according to the filing excerpt?

The excerpt lists sales by entities named GREYLOCK 15 LIMITED PARTNERSHIP, GREYLOCK 15 PRINCIPALS LP, and GREYLOCK 15-A LIMITED PARTNERSHIP, with individual sale entries showing specific share counts and dollar values on the listed dates.

What were the largest sales reported in the excerpt?

The largest single reported sale shown is 4,948,637 shares on 05/15/2026 with proceeds of $38,639,947.42; other notable entries include 312,882 shares and 274,925 shares on nearby dates.

Does the excerpt state whether proceeds go to the issuer?

The excerpt lists resale transactions by holders; it does not state that proceeds were paid to the issuer. The entries are presented as selling‑holder dispositions rather than issuer primary proceeds.

Are the sales in the excerpt reported as recent transactions or proposed sales?

Both appear: specific executed sales are dated 05/15/2026 and 05/18/2026 under 'Securities Sold During The Past 3 Months', while a separate 'Securities To Be Sold' line references a Stock Swap dated 11/04/2021.