SI-BONE CEO Laura Francis’s trust sells 75,000 shares

The trust’s reported post-sale position was 304,256 shares, while a separate direct-holdings entry included 355,697 shares issuable upon restricted stock unit settlement.

Available on EDGAR 11/06/2026 - 05:03 PM EST Accepted by SEC EDGAR 11/06/2026 - 05:02 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

SI-BONE, Inc. Chief Executive Officer and director Laura Francis reported that The David & Laura Joint Rev Tr sold 75,000 common shares on November 4, 2026, at a weighted average $25.3019 per share. The sales occurred in multiple trades at prices from $25.00 to $25.90 under a 10b5-1 trading plan dated June 13, 2025. The trust’s reported post-sale holdings were 304,256 shares. A separate direct-holdings entry listed 368,129 shares, including 355,697 shares issuable upon settlement of restricted stock units.

Insider Trade Summary 10b5-1

Net Seller: 75,000 shares

Net Sell 1 txn

Insider FRANCIS LAURA

Role Chief Executive Officer

Sold 75,000 shs ($1.90M)

Type	Security	Shares	Price	Value
Sale	Common Stock F1, F2, F3	75,000	$25.3019	$1.90M
Holding	Common Stock F4	--	--	--

Holdings After Transaction: Common Stock — 304,256 shares (Indirect, by Trust); Common Stock — 368,129 shares (Direct)

Footnotes (4)

1. F1. The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan dated June 13, 2025.
2. F2. This transaction was executed in multiple trades at prices ranging from $25.00 USD to $25.90 USD; the price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
3. F3. Shares held by The David & Laura Joint Rev Tr.
4. F4. Includes 355,697 shares issuable on settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive one shares of the Issuer's common stock.

Key Figures

Common shares sold: 75,000 shares Weighted average sale price: $25.3019 per share Sale price range: $25.00 to $25.90 per share +3 more

6 metrics

Common shares sold 75,000 shares November 4, 2026

Weighted average sale price $25.3019 per share Sale on November 4, 2026

Sale price range $25.00 to $25.90 per share Multiple trades on November 4, 2026

Trust shares following transaction 304,256 shares Reported after the November 4, 2026 sale

Direct-holdings entry 368,129 shares Includes shares issuable upon settlement of restricted stock units

Shares issuable on settlement of restricted stock units 355,697 shares Included in the direct-holdings entry

Key Terms

10b5-1 trading plan, weighted average sale price, restricted stock units

3 terms

10b5-1 trading plan regulatory

"pursuant to a 10b5-1 trading plan dated June 13, 2025"

A 10b5-1 trading plan is a pre-arranged strategy that allows company insiders to buy or sell company stock at set times, regardless of their current knowledge about the company's situation. It acts like a scheduled appointment for trading, helping prevent the appearance of impropriety or insider trading. This plan provides a way for insiders to sell or buy shares in a controlled, transparent manner, offering reassurance to investors about fair trading practices.

weighted average sale price financial

"reflects the weighted average sale price"

restricted stock units financial

"shares issuable on settlement of restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

FAQ

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

How many shares did Laura Francis’s trust sell in the SIBN transaction?

The David & Laura Joint Rev Tr sold 75,000 SIBN common shares on November 4, 2026, at a weighted average price of $25.3019 per share. The sales were made in multiple trades ranging from $25.00 to $25.90 per share under a 10b5-1 trading plan dated June 13, 2025.

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

Form 4 Insider Transactions: What Each Field Means →

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SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

FRANCIS LAURA

(Last) (First) (Middle)

C/O SI-BONE, INC.

471 EL CAMINO REAL, SUITE 101

(Street)

SANTA CLARA CALIFORNIA 95134

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
SI-BONE, Inc. [ SIBN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
11/04/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/04/2026		S(1)		75,000	D	$25.3019(2)	304,256	I	by Trust(3)
Common Stock								368,129(4)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan dated June 13, 2025.

2. This transaction was executed in multiple trades at prices ranging from $25.00 USD to $25.90 USD; the price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

3. Shares held by The David & Laura Joint Rev Tr.

4. Includes 355,697 shares issuable on settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive one shares of the Issuer's common stock.

Remarks:

	/s/ Michael A. Pisetsky, Attorney-in-Fact for Laura A. Francis	11/06/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)