BCAX files Rule 144 notice for 16,300 shares

BCAX reports the sale of 16,300 shares of common stock under Rule 144, associated with the exercise of stock options and processed through UBS Financial Services on 03/04/2026.

Rhea-AI Filing Summary

BCAX reports the sale of 16,300 shares of common stock under Rule 144, associated with the exercise of stock options and processed through UBS Financial Services on 03/04/2026.

Separately, the filing shows a prior sale of 200 shares by David Raben on 03/03/2026 for $3,690.00.

Insights

Securities Compliance Officer

Routine Rule 144 sale notification tied to option exercise; procedural disclosure.

The filing documents 16,300 shares of common stock to be sold on 03/04/2026 via exercise of stock options, with UBS Financial Services named as broker.

Cash treatment is shown; prior small sale of 200 shares on 03/03/2026 for $3,690.00 is also disclosed.

FAQ

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

What does BCAX's Form 144 report?

It reports a proposed sale of 16,300 common shares under Rule 144. The sale is tied to exercise of stock options and lists UBS Financial Services as the broker on 03/04/2026.

Who executed prior sales disclosed in BCAX's filing?

David Raben sold 200 common shares on 03/03/2026. The filing records the transaction amount as $3,690.00, shown in the "Securities Sold During The Past 3 Months" section.

How was the 16,300-share transaction described?

Described as an exercise of stock options resulting in a sale of common stock. The entry lists the sale date as 03/04/2026 and indicates cash proceeds and UBS Financial Services involvement.

Does the filing state who receives the proceeds from the 16,300 shares?

The filing indicates a cash transaction related to option exercise. It does not specify beneficiaries beyond listing the issuer/transaction type and the broker on 03/04/2026.

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

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Accepted by SEC EDGAR 03/04/2026 - 04:21 PM Learn about SEC filing dates

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	0002034679
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Bicara Therapeutics Inc.
SEC File Number	001-42271
Address of Issuer	116 HUNTINGTON AVENUE SUITE 703 BOSTON MASSACHUSETTS 02116
Phone	617-468-4219
Name of Person for Whose Account the Securities are To Be Sold	Raben David
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	Officer

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	UBS Financial Services Inc. 11 Madison Avenue 4th Floor New York NY 10010	16300	301920.01	54781950	03/04/2026	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	03/04/2026	Exercise of Stock Options	Issuer			16300	03/04/2026	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
David Raben 116 HUNTINGTON AVENUE SUITE 703 BOSTON MA 02116	Common	03/03/2026	200	3690.00

144: Remarks and Signature

Remarks
Date of Notice	03/04/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	02/12/2025
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	/s/ UBS Financial Services Inc, as attorney-in-fact for David Raben
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)