Issuer (NASDAQ: BKSY) insider files Rule 144 to sell 13,416 shares

Rhea-AI Filing Summary

An insider of the BKSY issuer has filed a Rule 144 notice to sell 13,416 shares of Class A common stock through Morgan Stanley Smith Barney LLC on or after 12/12/2025, with an aggregate market value of 258,526.3. These shares were acquired as restricted share units vesting on 12/10/2025 and delivered as equity compensation on 12/11/2025. The issuer has 36,017,721 shares of Class A common stock outstanding. Over the prior three months, the same seller, Brian O'Toole, sold 33,292 shares of Class A common stock for gross proceeds of 580,945.4. By signing the notice, the seller represents that he is not aware of any undisclosed material adverse information about the issuer.

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
Class A Common Stock	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza, 8th Floor New York NY 10004	13416	258526.3	36017721	12/12/2025	NYSE

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 *
Class A Common Stock	12/10/2025	Restricted Share Units Vesting - See Remarks.	Issuer			13416	12/11/2025	Equity Compensation

* 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
Brian O'Toole 2411 Dulles Corner Park Suite 300 Herndon VA 20171	Class A Common Stock	09/11/2025	33292	580945.4

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 Form 144 filing for BKSY disclose?

The filing discloses that an insider intends to sell 13,416 shares of the issuer’s Class A common stock under Rule 144, following recent vesting of restricted share units, and confirms that the seller is not aware of any undisclosed material adverse information.

How many BKSY shares is the insider planning to sell and at what value?

The insider plans to sell 13,416 shares of Class A common stock with an aggregate market value of 258,526.3, as indicated in the Form 144 filing.

How were the BKSY shares being sold under Form 144 acquired?

The 13,416 shares were acquired through restricted share units vesting on 12/10/2025, with equity compensation delivered on 12/11/2025, and are now eligible for sale under Rule 144.

What prior BKSY stock sales has the insider reported in the last three months?

During the past three months, the insider Brian O'Toole sold 33,292 shares of Class A common stock for total gross proceeds of 580,945.4, according to the Form 144 disclosure.

How many BKSY Class A shares are outstanding compared with this planned sale?

The issuer has 36,017,721 shares of Class A common stock outstanding, which serves as a baseline for comparing the planned sale of 13,416 shares under Rule 144.

Which broker is handling the BKSY insider’s planned Rule 144 sale?

The planned sale of 13,416 shares of Class A common stock will be handled by Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, 8th Floor, New York, NY 10004, and listed for trading on the NYSE.