Key facts
- This page summarizes Michael A. Pisetsky's Form 4/A - Amendment filing for SI-BONE, Inc. (SIBN).
- 6 reported transactions and 2 derivative rows are listed below.
- Accepted by SEC: 09 Nov 2026, 17:01.
Michael A. Pisetsky - 04 Nov 2026 Form 4/A - Amendment Insider Report for SI-BONE, Inc. (SIBN)
- Reporting relationship
- SVP, Ops & Adm/Chief Legal Ofr
- Issuer ticker
- SIBN
- Reported as of
- 04 Nov 2026
- Net transaction value
- -$901,844
- SEC form
- 4/A - Amendment
- Accepted by SEC
- 09 Nov 2026, 17:01:28 UTC
- Original report date
- 06 Nov 2026
- Prior SEC filing
- 02 Nov 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Michael A. Pisetsky
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Filing notes and source
Key filing fact
Michael A. Pisetsky filed Form 4/A - Amendment for SI-BONE, Inc. (SIBN) on 09 Nov 2026.
Change
- Previous filing in this sequence was filed on 02 Nov 2026.
- Current net transaction value: -$901,844.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4/A - Amendment disclosures.
Reporting Owners (1)
CIK 0001754765
Primary reporting owner
PISETSKY MICHAEL A.
- Relationship
- SVP, Ops & Adm/Chief Legal Ofr
- Address
- C/O SI-BONE, INC., 88 W PLUMERIA DRIVE, SAN JOSE
- Signature
- /s/ Michael A. Pisetsky
- Signature date
- 09 Nov 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
SIBN
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +9,347
- Change %
- +5.7%
- Price
- $22.00*
- Shares after
- 173,791
- Date
- 04 Nov 2026
- Ownership
- Direct
- Footnotes
- F1
SIBN
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +3,002
- Change %
- +1.7%
- Price
- $22.00*
- Shares after
- 176,793
- Date
- 04 Nov 2026
- Ownership
- Direct
- Footnotes
- F1
SIBN
transaction
Common Stock
Sale
- Transaction value
- -$309,683
- Shares
- -12,349
- Change %
- -7%
- Price
- $25.08
- Shares after
- 164,444
- Date
- 04 Nov 2026
- Ownership
- Direct
- Footnotes
- F1, F2, F3
SIBN
transaction
Common Stock
Sale
- Transaction value
- -$592,161
- Shares
- -23,892
- Change %
- -37%
- Price
- $24.78
- Shares after
- 40,167
- Date
- 04 Nov 2026
- Ownership
- by Trust
- Footnotes
- F1, F4, F5
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
SIBN
transaction
Derivative
Phantom Stock
Options Exercise
- Transaction value
- Shares
- -9,347
- Change %
- -50%
- Price
- $0.000000*
- Shares after
- 9,348
- Date
- 04 Nov 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 9,347
- Exercise price
- $22.00
- Footnotes
- F6
SIBN
transaction
Derivative
Stock Options (Right to buy)
Options Exercise
- Transaction value
- Shares
- -3,002
- Change %
- -50%
- Price
- $0.000000*
- Shares after
- 3,003
- Date
- 04 Nov 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 3,002
- Exercise price
- $22.00
- Footnotes
- F6
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Rule 10b5-1 trading plan
These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.
Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).
Explanation of responses 6 footnotes
Footnote F1
The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan dated June 13, 2025
Footnote F2
This transaction was executed in multiple trades at prices ranging from $25.00 USD to $25.25 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.
Footnote F3
Includes 124,139 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.
Footnote F4
This transaction was executed in multiple trades at prices ranging from $24.00 USD to $24.99 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.
Footnote F5
Shares held by the Michael Pisetsky Sep Prop Tr
Footnote F6
The shares subject to the option vest in equal monthly installments over four years commencing on the vesting commencement date, subject to Reporting Person's continued service through each relevant vesting date.