BCAX (NASDAQ) option exercise: director to sell 1,000 shares on 07/07/2026

Rhea-AI Filing Summary

BCAX notice: 1,000 shares of Common stock are proposed for sale in connection with a stock option exercise for cash on 07/07/2026. The filing lists a prior disposition of 71,390 shares on 06/01/2026 for $1,473,718.05. Shares outstanding were 65,703,866 as of 07/07/2026.

Insights

Securities Compliance Attorney

Form 144 reports a proposed sale of 1,000 shares via option exercise and notes a large recent disposition.

The notice lists a stock option exercise sale of 1,000 shares for cash on 07/07/2026. It also records a prior sale of 71,390 shares on 06/01/2026 for $1,473,718.05. Timing and mechanics are stated plainly in the excerpt.

Regulatory focus: ensure compliance with the securities-law notice requirements and any Rule 144 holding-period or volume-limit conditions that may apply; the excerpt does not detail any holding-period or volume-limit qualifiers. Subsequent confirmations or broker reports will show execution details.

Key Figures

Proposed sale: 1,000 shares Recent disposition: 71,390 shares Shares outstanding: 65,703,866

3 metrics

Proposed sale 1,000 shares stock option exercise on <date>07/07/2026</date>

Recent disposition 71,390 shares sold on <date>06/01/2026</date> for <money>$1,473,718.05</money>

Shares outstanding 65,703,866 as of <date>07/07/2026</date>

Key Terms

Form 144, stock option exercise, issuer

3 terms

Form 144 regulatory

"144: Securities To Be Sold"

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 option exercise financial

"Common | 07/07/2026 | Stock Option Exercise"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

issuer regulatory

"Stock Option Exercise | Issuer | | | 1000 | 07/07/2026 | Cash"

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Available on EDGAR 07/07/2026 - 04:07 PM Accepted by SEC EDGAR 07/07/2026 - 04:06 PM Learn about SEC filing dates

FAQ

What does BCAX's Form 144 filing report?

The filing reports a proposed sale of 1,000 shares of Common stock via a stock option exercise for cash on 07/07/2026. It also notes a prior disposition of 71,390 shares on 06/01/2026 for $1,473,718.05.

Who sold shares in the past three months for BCAX?

Lara Meisner is listed as having sold 71,390 shares on 06/01/2026 for $1,473,718.05. The Form 144 excerpt attributes that prior disposition to the named individual.

How many shares does BCAX list as outstanding in the filing?

The excerpt shows 65,703,866 shares outstanding as of 07/07/2026. This number is presented as a baseline figure in the filing excerpt and is tied to the stated date.

Does the Form 144 say who receives the cash from the option exercise?

The excerpt indicates the sale is a stock option exercise for cash on 07/07/2026. The filing text links the sale to the issuer and notes a cash exercise method.

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	1000	29774.00	65703866	07/07/2026	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	07/07/2026	Stock Option Exercise	Issuer			1000	07/07/2026	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
LARA MEISNER 116 Huntington Ave Suite 703 Boston MA 02116	Common	06/01/2026	71390	1473718.05

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)