Ryan L. Polk - 02 Mar 2026 Form 4 Insider Report for SideChannel, Inc. (SDCH)

Role
Chief Financial Officer
Signature
/s/ Ryan L. Polk
Issuer symbol
SDCH
Transactions as of
02 Mar 2026
Net transactions value
$0
Form type
4
Filing time
18 Mar 2026, 13:26:26 UTC
Previous filing
05 Mar 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Polk Ryan Chief Financial Officer 146 MAIN STREET, SUITE 405, WORCESTER, /s/ Ryan L. Polk 18 Mar 2026 0001492514

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SDCH Restricted Stock Unit Tax liability -25,745 -43% $2.20* 34,130 02 Mar 2026 Direct F2, F3
transaction SDCH Restricted Stock Unit Award +35,574 +104% $2.01* 69,704 16 Mar 2026 Direct F3, F4, F5
holding SDCH Common Stock 31,229 02 Mar 2026 Direct F1
holding SDCH Restricted Stock Unit 59,875 02 Mar 2026 Direct F1
holding SDCH Common Stock 46,372 02 Mar 2026 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents the total amount of securities beneficially owned by the Reporting Person following the 1 for 52 reverse stock split, effective January 22, 2026.
F2 On March 2, 2026, 25,745 RSUs vested, 10,602 shares of common stock otherwise issuable pursuant to the vesting were withheld for the payment of taxes, resulting in the issuance of 15,143 shares of common stock to the Reporting Person.
F3 The closing price of the issuer's common stock on the transaction date.
F4 Represents the total amount of securities beneficially owned by the Reporting Person following the reported transactions above.
F5 Represents a 35,574 RSU award, one third of which shall vest on the first business day of each subsequent March, for the following three years.