Michael A. Pisetsky - May 17, 2021 Form 4 Insider Report for SI-BONE, Inc. (SIBN)

Signature
/s/ Michael A. Pisetsky
Stock symbol
SIBN
Transactions as of
May 17, 2021
Transactions value $
-$114,394
Form type
4
Date filed
5/19/2021, 05:13 PM
Next filing
Jul 20, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SIBN Common Stock Sale -$31.7K -1.01K -1.27% $31.40 78.4K May 17, 2021 Direct F1
transaction SIBN Common Stock Sale -$28.1K -894 -1.14% $31.40 77.5K May 17, 2021 Direct F1
transaction SIBN Common Stock Options Exercise $8.53K +1.98K +2.55% $4.32* 79.5K May 18, 2021 Direct
transaction SIBN Common Stock Sale -$63.2K -1.98K -2.44% $32.00 79K May 18, 2021 Direct F2, F3, F4

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction SIBN Stock Option (Right to Buy) Options Exercise $0 -1.98K -13.24% $0.00 12.9K May 18, 2021 Common Stock 1.98K $4.32 Direct F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The sale reported on this Form 4 represents shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. The sale satisfies the tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.
F2 The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan.
F3 Includes 1,510 shares acquired under the SI-BONE, Inc. 2018 Employee Stock Purchase Plan on May 17, 2021.
F4 Includes 57,434 shares issuable on the settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.
F5 The shares subject to the option vest in equal monthly installments over four years commencing on vesting commencement date, subject to Reporting Person's continued service through each relevant vesting date.