BCAX affiliate files to sell 6,499 shares

BCAX affiliate files Form 144 to sell 6,499 shares.

Accepted by SEC EDGAR 03/18/2026 - 04:26 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

BCAX affiliate files Form 144 to sell 6,499 shares. The filing states 6,499 Common shares are to be sold on 03/18/2026 following an exercise of stock options with cash proceeds to the issuer. The filing also lists recent dispositions by Claire Mazumdar: 2,631 shares on 03/04/2026, 1,786 shares on 03/05/2026, 3,817 shares on 03/06/2026, and 36,766 shares on 03/09/2026.

Insights

Securities Counsel

Form 144 discloses a planned resale of 6,499 common shares after option exercise.

The filing plainly lists 6,499 shares to be sold on 03/18/2026 following an exercise of stock options. The entry records cash as the consideration method and identifies the issuer as the source.

Prior dispositions by Claire Mazumdar are detailed with specific dates and share counts; these are reported sales during the past three months and provide transaction history but do not change the planned sale disclosed for 03/18/2026.

FAQ

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

What does BCAX's Form 144 report about the 6,499 shares?

It reports a planned sale of 6,499 Common shares to occur on 03/18/2026 following an exercise of stock options. The filing lists cash as the payment method and names the issuer as the source of the shares.

Who reported recent sales in the filing for BCAX?

The filing shows recent sales by Claire Mazumdar on specific dates in March 2026. Reported dispositions: 2,631, 1,786, 3,817, and 36,766 shares on March dates noted.

Does the Form 144 state who receives proceeds from the 6,499-share sale?

Yes. The filing indicates the shares result from an exercise of stock options and lists Cash as the consideration method, with the issuer identified as the source in the sale entry.

Are the March 2026 share dispositions aggregated in the filing?

The filing reports individual sales by date rather than an aggregate total. It lists per-date dispositions on 03/04, 03/05, 03/06, and 03/09/2026 with specific share counts for each.

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

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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	0002034671
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	Mazumdar Claire
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
Relationship to Issuer	Director

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 Ave 4th Floor New York NY 10010	6499	124715.81	54781950	03/18/2026	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	03/18/2026	Exercise of stock options	Issuer			6499	03/18/2026	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
Claire Mazumdar 116 HUNTINGTON AVENUE SUITE 703 Boston MA 02116	Common	03/04/2026	2631	49288.63
Claire Mazumdar 116 HUNTINGTON AVENUE SUITE 703 Boston MA 02116	Common	03/05/2026	1786	33464.10
Claire Mazumdar 116 HUNTINGTON AVENUE SUITE 703 Boston MA 02116	Common	03/06/2026	3817	71571.80
Claire Mazumdar 116 HUNTINGTON AVENUE SUITE 703 Boston MA 02116	Common	03/09/2026	36766	704657.16

144: Remarks and Signature

Remarks
Date of Notice	03/18/2026
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 Claire Mazumdar
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)