[144] Datadog, Inc. SEC Filing

Rhea-AI Filing Summary

SI-BONE, Inc. (SIBN) has filed a Form 144 disclosing a proposed insider sale of common stock.

The notice covers the planned disposition of 1,695 shares at an aggregate market value of $31,238.85. The transaction is scheduled for on or about 07/03/2025 and will be executed through Morgan Stanley Smith Barney LLC on the NASDAQ exchange. According to the filing, SI-BONE has 42,614,514 shares outstanding, so the upcoming sale represents less than 0.01% of the float.

The securities being sold were acquired on 07/01/2025 via restricted stock units issued by the company. Payment details are listed as “N/A,” indicating no cash consideration was required at acquisition.

Recent trading activity by the same account is also disclosed. Over the past three months, the filer completed six sales totaling 50,233 shares for approximately $929,583 in gross proceeds. Five of those trades were executed under a Rule 10b5-1 trading plan.

• Shares to be sold: 1,695
• Approximate value: $31,238.85
• Broker: Morgan Stanley Smith Barney LLC, New York
• Outstanding shares: 42,614,514
• Prior 3-month insider sales: 50,233 shares / $929,582.89

The signer of the notice certifies that no undisclosed material adverse information is known and that the trade complies with Rule 10b5-1, underscoring procedural adherence. Given the very small percentage of shares involved, the immediate financial impact appears limited, though the continued pattern of insider selling may draw investor attention.

Positive

• Trade executed under Rule 10b5-1 plan, indicating advance scheduling and regulatory compliance.
• Proposed sale represents less than 0.01% of outstanding shares, limiting dilution or supply concerns.

Negative

• Cumulative insider sales of 50,233 shares (~$0.93 M) in past 3 months could be viewed as a bearish signal.
• Additional insider selling, even if small, may affect investor sentiment when viewed alongside recent disposals.

Insights

Financial Analyst

TL;DR: Planned sale of 1,695 SIBN shares is immaterial (<0.01% float); overall market impact likely neutral.

The Form 144 reveals a forthcoming sale worth roughly $31k against a 42.6 million-share base, translating to a negligible dilution effect. Although the insider has disposed of 50k shares in the last quarter, those trades were executed under a 10b5-1 plan, suggesting pre-scheduled diversification rather than reactive selling. From a valuation standpoint, neither earnings nor operational guidance are affected, so I view the disclosure as routine and not price-moving.

Corporate Governance Expert

TL;DR: Repeated insider sales (~50k shares) may raise optics issues; compliance via 10b5-1 limits governance concern.

Form 144 filings offer transparency into insider intent. Here, the total shares sold over three months (~50k) dwarf the new 1,695-share notice, but both remain small relative to float. The presence of a documented 10b5-1 plan and the standard certification mitigate suspicions of trading on undisclosed information. Governance risk is therefore low-to-moderate, but investors might monitor future filings for pattern persistence.

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	9559	1290560.59	319498060	07/03/2025	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	03/01/2025	RSU/PSU	Issuer			9559	03/01/2025	N/A

* 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
10b5-1 Sales for SEAN MICHAEL WALTERS 620 8th Avenue New York NY 10018	Class A Common	06/17/2025	9468	1183500.00
10b5-1 Sales for SEAN MICHAEL WALTERS 620 8th Avenue New York NY 10018	Class A Common	06/11/2025	4170	498268.30
SEAN MICHAEL WALTERS 620 8th Avenue New York NY 10018	Class A Common	06/02/2025	11167	1293841.00

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

How many SI-BONE (SIBN) shares are covered by the latest Form 144?

The filing discloses a proposed sale of 1,695 common shares.

What is the approximate date of the planned SIBN share sale?

The sale is expected to occur on or about 07/03/2025.

Who is the insider selling SI-BONE stock?

The shares are being sold for the account of Anshul Maheshwari (address provided in the filing).

How many SI-BONE shares has the filer sold in the past three months?

The insider sold a total of 50,233 shares for gross proceeds of about $929,583.

What percentage of SI-BONE’s outstanding shares does the new sale represent?

With 42,614,514 shares outstanding, the 1,695-share sale equals approximately 0.004% of the float.

Which brokerage firm is handling the transaction?

The sale will be executed through Morgan Stanley Smith Barney LLC.