SDCH · SideChannel, Inc.

Represents a grant, on June 22, 2026, by the issuer's Board of Directors, of 21,154 restricted stock units ("RSUs"). The award vests (i) with respect to 7,051 RSUs on each of March 31, 2027 and 2028, respectively, and (ii) with respect to 7,052 RSUs on March 31, 2028.

Represents a 10,684 RSU award, one third of which shall vest on the first business day of each subsequent March, for the following three years.

The closing price of the issuer's common stock on the transaction date.

Represents the total amount of securities beneficially owned by the Reporting Person following the reported transactions above.

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.

The closing price of the issuer's common stock on the transaction date.

Represents the total amount of securities beneficially owned by the Reporting Person following the reported transactions above.

Represents a 53,361 RSU award, one third of which shall vest on the first business day of each subsequent March, for the following three years.

The closing price of the issuer's common stock on the transaction date.

Represents the total amount of securities beneficially owned by the Reporting Person following the reported transactions above.

On March 2, 2026, 10,149 RSUs vested, 3,512 shares of common stock otherwise issuable pursuant to the vesting were withheld for the payment of taxes, resulting in the issuance of 6,637 shares of common stock to the Reporting Person.

The closing price of the issuer's common stock on the transaction date.

On March 2, 2026, 38,084 RSUs vested, 13,372 shares of common stock otherwise issuable pursuant to the vesting were withheld for the payment of taxes, resulting in the issuance of 24,712 shares of common stock to the Reporting Person.

The closing price of the issuer's common stock on the transaction date.

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.

The closing price of the issuer's common stock on the transaction date.

On March 3, 2025, 995,405 RSUs vested. Following the vesting of such RSUs, 408,913 shares of Common Stock otherwise issuable pursuant to the vesting were withheld for the payment of taxes, resulting in the issuance of 586,492 shares of Common Stock to the Reporting Person.

On March 3, 2025, 1,446,810 RSUs vested. Following the vesting of such RSUs, 507,975 shares of Common Stock otherwise issuable pursuant to the vesting were withheld for the payment of taxes, resulting in the issuance of 938,835 shares of Common Stock to the Reporting Person.

Represents the grant of shares of common stock approved by the independent directors of the issuer's board of directors and issued in accordance with Rule 16b-3 promulgated under the Securities Exchange Act of 1934, as amended. The shares vest according to the following schedule: 602,601 shares vesting on March 2, 2026, 602,601 shares vesting on March 1, 2027, and 602,601 shares vesting on March 1, 2028.

On March 3, 2025, 527,778 RSUs vested. Following the vesting of such RSUs, 182,612 shares of Common Stock otherwise issuable pursuant to the vesting were withheld for the payment of taxes, resulting in the issuance of 345,166 shares of Common Stock to the Reporting Person.

Represents the grant of shares of common stock approved by the independent directors of the issuer's board of directors and issued in accordance with Rule 16b-3 promulgated under the Securities Exchange Act of 1934, as amended. The shares vest according to the following schedule: 903,901 shares vesting on March 2, 2026, 903,901 shares vesting on March 1, 2027, and 903,902 shares vesting on March 1, 2028.

Represents the grant of shares of common stock approved by the independent directors of the issuer's board of directors and issued in accordance with Rule 16b-3 promulgated under the Securities Exchange Act of 1934, as amended. The shares vest according to the following schedule: 185,185 shares vesting on March 2, 2026, 185,185 shares vesting on March 1, 2027, and 185,186 shares vesting on March 1, 2028.

3 Year Vesting

3 Year Vesting

The Stock Options were terminated and rescinded.

Pursuant to the original vesting schedule, the option would have become exercisable with respect to 366,666 shares on March 1, 2025, and with respect to 366,667 shares on each of March 1, 2026 and March 1, 2027, respectively.

The Stock Options were terminated and rescinded.

Pursuant to the original vesting schedule, the option would have become exercisable with respect to 366,666 shares on March 1, 2025, and with respect to 366,667 shares on each of March 1, 2026 and March 1, 2027, respectively.

The Stock Options were terminated and rescinded.

Pursuant to the original vesting schedule, the option would have become exercisable with respect to 366,666 shares on March 1, 2025, and with respect to 366,667 shares on each of March 1, 2026 and March 1, 2027, respectively.

3 Year Vesting

Represents the grant, by the issuer's Board of Directors, of an option to purchase 1,100,000 shares of the issuer's common stock. On August 1, 2024, the Option Award Agreement exercise price was corrected from $0.06 per share to $0.18 per share. As reported on the previous Form 4, filed June 20, 2024, the option vests, and becomes exercisable, with respect to 366,666 shares on March 1, 2025, and with respect to 366,667 shares on each of March 1, 2026 and March 1, 2027, respectively. The option expires on May 9, 2034.

Represents the grant, by the issuer's Board of Directors, of an option to purchase 1,100,000 shares of the issuer's common stock at an exercise price of $0.06 per share. The option vests, and becomes exercisable, with respect to 366,666 shares on March 1, 2025, and with respect to 366,667 shares on each of March 1, 2026 and March 1, 2027, respectively. The option expires on May 9, 2034.

Represents the grant, by the issuer's Board of Directors, of an option to purchase 1,100,000 shares of the issuer's common stock at an exercise price of $0.06 per share. The option vests, and becomes exercisable, with respect to 366,666 shares on March 1, 2025, and with respect to 366,667 shares on each of March 1, 2026 and March 1, 2027, respectively. The option expires on May 9, 2034.

Represents the grant, by the issuer's Board of Directors, of an option to purchase 1,100,000 shares of the issuer's common stock. On August 1, 2024, the Option Award Agreement exercise price was corrected from $0.06 per share to $0.18 per share. As reported on the previous Form 4, filed June 20, 2024, the option vests, and becomes exercisable, with respect to 366,666 shares on March 1, 2025, and with respect to 366,667 shares on each of March 1, 2026 and March 1, 2027, respectively. The option expires on May 9, 2034.

Represents the grant, by the issuer's Board of Directors, of an option to purchase 1,100,000 shares of the issuer's common stock. On August 1, 2024, the Option Award Agreement exercise price was corrected from $0.06 per share to $0.18 per share. As reported on the previous Form 4, filed June 20, 2024, the option vests, and becomes exercisable, with respect to 366,666 shares on March 1, 2025, and with respect to 366,667 shares on each of March 1, 2026 and March 1, 2027, respectively. The option expires on May 9, 2034.

Represents the grant, by the issuer's Board of Directors, of an option to purchase 1,100,000 shares of the issuer's common stock at an exercise price of $0.06 per share. The option vests, and becomes exercisable, with respect to 366,666 shares on March 1, 2025, and with respect to 366,667 shares on each of March 1, 2026 and March 1, 2027, respectively. The option expires on May 9, 2034.

Represents the grant, by the issuer's Board of Directors, of an option to purchase 1,100,000 shares of the issuer's common stock at an exercise price of $0.06 per share. The option vests, and becomes exercisable, with respect to 366,666 shares on March 1, 2025, and with respect to 366,667 shares on each of March 1, 2026 and March 1, 2027, respectively. The option expires on May 9, 2034.

3 Year Vesting

On March 1, 2024, 592,592 RSUs vested. Following the vesting of such RSUs, 208,060 shares of Common Stock otherwise issuable pursuant to the vesting were withheld for the payment of taxes, resulting in the issuance of 384,532 shares of Common Stock to the reporting person.

On March 1, 2024, 388,890 RSUs vested. Following the vesting of such RSUs, 134,556 shares of Common Stock otherwise issuable pursuant to the vesting were withheld for the payment of taxes, resulting in the issuance of 254,334 shares of Common Stock to the reporting person.

On March 1, 2024, 518,519 RSUs vested. Following the vesting of such RSUs, 212,490 shares of Common Stock otherwise issuable pursuant to the vesting were withheld for the payment of taxes, resulting in the issuance of 306,029 shares of Common Stock to the reporting person.

3 Year Vesting

3 Year Vesting

Vested upon grant.

Vested upon grant.

Vested upon grant.

Vested upon grant.

Vested upon grant.

Vested upon grant.

Vested upon grant.

Vested upon grant.

Vested upon grant.

On July 3, 2023, 370,370 RSUs vested. Following the vesting of such RSUs, 113,234 shares of Common Stock otherwise issuable pursuant to the vesting were withheld for the payment of taxes, resulting in the issuance of 257,136 shares of Common Stock to the reporting person.

3 Year vesting.

Vested upon grant.

Vested upon grant.

Vested upon grant.