[144] BlackLine, Inc. SEC Filing

Rhea-AI Filing Summary

Form 144 notice reports a proposed sale of 910 shares of common stock through Fidelity Brokerage Services, with an aggregate market value of $50,050 and an approximate sale date of 08/28/2025 on NASDAQ. The shares were originally acquired on 09/03/2013 via stock option exercise from the issuer and paid in cash. The filing also discloses two recent sales by The Etu Rustic Canyon Trust: 910 shares on 06/20/2025 for $50,259.30 and 885 shares on 07/21/2025 for $50,179.50. The filer makes the required representation about material nonpublic information and signs the notice.

Positive

• Required Rule 144 details provided: acquisition date, nature (stock option exercise), broker, share count, and approximate sale date are disclosed
• Recent sales disclosed: two prior sales (06/20/2025 and 07/21/2025) with gross proceeds are included, improving transparency

Negative

• Missing explicit issuer/filer identifiers in provided text: issuer name and filer CIK fields are not populated in the supplied content
• Potential clerical ambiguity: submission contact fields and some filer identifiers appear blank in the provided extract

Insights

Securities Analyst

TL;DR: Routine Rule 144 sale; size is immaterial versus outstanding shares.

The filing documents a planned sale of 910 shares valued at $50,050, representing a very small fraction of the reported 61,887,825 shares outstanding (about 0.0015%). The shares were long-held since 2013 via option exercise, which suggests this is an unlocking of a small block rather than distribution of a large position. Two recent sales by the same account in June and July 2025 of similar magnitudes are disclosed, indicating continuation of small disposals. From a market-impact perspective, these transactions are unlikely to materially affect supply or valuation given the company's share count.

Corporate Governance Expert

TL;DR: Disclosure complies with Rule 144 formats but the filing omits some issuer/filer identifiers in the provided text.

The notice includes necessary transaction details: acquisition date, nature (option exercise), broker, share counts, and recent sale history, and it contains the signature representation regarding material nonpublic information. However, the supplied content lacks explicit issuer name and filer CIK fields in the visible text, which are normally required for clear investor traceability. Ensuring complete identifying information on the public filing is important for transparency and record linkage.

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	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	910	50050.00	61887825	08/28/2025	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	09/03/2013	Stock Option Exercise	Issuer			910	09/03/2013	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
The Etu Rustic Canyon Trust 21300 Victory Boulevard 12th Floor Woodland Hills CA 91367	Common	06/20/2025	910	50259.30
The Etu Rustic Canyon Trust 21300 Victory Boulevard 12th Floor Woodland Hills CA 91367	Common	07/21/2025	885	50179.50

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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 filed for BL report?

The form reports a proposed sale of 910 common shares with an aggregate market value of $50,050, to be sold approximately on 08/28/2025 on NASDAQ.

Who is the broker handling the proposed sale?

The broker is listed as Fidelity Brokerage Services LLC, 900 Salem Street, Smithfield RI 02917.

When and how were the shares being sold originally acquired?

The 910 shares were acquired on 09/03/2013 via a stock option exercise from the issuer, with payment in cash.

Have any related shares been sold recently by the same account?

Yes. The Etu Rustic Canyon Trust sold 910 shares on 06/20/2025 for $50,259.30 and 885 shares on 07/21/2025 for $50,179.50.

How large is the proposed sale relative to total shares outstanding?

The filing shows 61,887,825 shares outstanding; the proposed 910-share sale is about 0.0015% of that total.