SI-BONE (SIBN) officer Form 4 sale: 400 shares at $20

Rhea-AI Filing Summary

SI-BONE, Inc. (SIBN)400 shares of common stock at $20 per share, reported with transaction code "S" for a sale. The filing notes that this trade was made under a Rule 10b5-1 trading plan dated June 13, 2025, which is a pre-arranged plan for selling shares.

After this transaction, the reporting person beneficially owned 251,496 shares of SI-BONE common stock. This total includes 125,823 shares issuable upon settlement of restricted stock units, where each unit represents the right to receive one share of common stock.

11/26/2025 - 05:21 PM

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
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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^*

PISETSKY MICHAEL A.

(Last) (First) (Middle)

C/O SI-BONE, INC.

471 EL CAMINO REAL, SUITE 101

(Street)

SANTA CLARA CA 95050

(City) (State) (Zip)

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, Ops & Adm/Chief Legal Ofr

3. Date of Earliest Transaction (Month/Day/Year)
11/24/2025

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

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

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

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	11/24/2025		S(1)		400	D	$20	251,496(2)	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 13th, 2025.

2. Includes 125,823 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	11/26/2025
	** 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.

FAQ

What insider transaction did SI-BONE (SIBN) disclose in this Form 4?

The filing reports that an officer of SI-BONE, Inc. (SIBN) sold 400 shares of common stock on 11/24/2025 at a price of $20 per share.

Who is the reporting person in the SI-BONE (SIBN) Form 4 and what is their role?

The reporting person is an officer of SI-BONE, Inc. serving as SVP, Operations & Administration / Chief Legal Officer.

Was the SIBN insider sale made under a Rule 10b5-1 trading plan?

Yes. The sale of 400 shares on 11/24/2025 was effected under a Rule 10b5-1 trading plan dated June 13, 2025.

How many SI-BONE (SIBN) shares does the insider own after this transaction?

Following the sale, the reporting person beneficially owned 251,496 shares of SI-BONE common stock.

How many restricted stock units (RSUs) are included in the insider’s SIBN holdings?

The beneficial ownership total includes 125,823 shares issuable upon settlement of restricted stock units, with each unit representing one share of common stock.

Is this SI-BONE (SIBN) Form 4 filed for one or multiple reporting persons?

This Form 4 is indicated as being filed by one reporting person, not a group filing.