IPWR · Ideal Power Inc.

Represents shares withheld by the issuer to cover tax withholding obligations upon vesting of a PSU award. No issuance or sale of securities occurred in connection with the tax withholding.

Performance-based stock units("PSUs") for shares of the Issuer's common stock were earned on August 13, 2026, based on the achievement of pre-established performance metrics.

Represents RSUs granted to the reporting person under the issuer's Amended and Restated 2013 Equity Incentive Plan (the 2013 Plan). Each RSU represents the contingent right to receive one share of the issuer's common stock. The RSUs vest in three equal annual installments on June 22, 2027, June 22, 2028 and June 22, 2029, provided that the reporting person remains employed by the issuer as of each vesting date

Represents shares withheld by the issuer to cover tax withholding obligations upon vesting of PSU or restricted stock unit (RSUs) awards. No issuance or sale of securities occurred in connection with the tax withholding.

Represents shares withheld by the issuer to cover tax withholding obligations upon vesting of PSU or restricted stock unit (RSUs) awards. No issuance or sale of securities occurred in connection with the tax withholding.

Represents shares withheld by the issuer to cover tax withholding obligations upon vesting of PSU or restricted stock unit (RSUs) awards. No issuance or sale of securities occurred in connection with the tax withholding.

Represents PSUs granted to the reporting person under the 2013 Plan. Each PSU represents the contingent right to receive one share of the issuer's common stock. The PSUs vest in three equal tranches at such time or times prior to June 12, 2028 that certain common stock price appreciation metrics are achieved, provided that the reporting person remains employed by the issuer as of each vesting date.

PSUs for shares of the issuer's common stock were earned on June 5, 2026, based on the achievement of pre-established common stock price appreciation metrics.

Represents shares withheld by the issuer to cover tax withholding obligations upon vesting of PSU or restricted stock unit (RSUs) awards. No issuance or sale of securities occurred in connection with the tax withholding.

Represents PSUs granted to the reporting person under the 2013 Plan. Each PSU represents the contingent right to receive one share of the issuer's common stock. The PSUs vest in three equal tranches at such time or times prior to June 12, 2028 that certain common stock price appreciation metrics are achieved, provided that the reporting person remains employed by the issuer as of each vesting date.

PSUs for shares of the issuer's common stock were earned on June 3, 2026, based on the achievement of pre-established common stock price appreciation metrics.

Represents shares withheld by the issuer to cover tax withholding obligations upon vesting of PSU or restricted stock unit (RSUs) awards. No issuance or sale of securities occurred in connection with the tax withholding.

Performance-based stock units ("PSUs") for shares of the issuer's common stock were earned on June 1, 2026, based on the achievement of pre-established common stock price appreciation metrics.

Represents PSUs granted to the reporting person under the 2013 Plan. Each PSU represents the contingent right to receive one share of the issuer's common stock. The PSUs vest in three equal tranches at such time or times prior to June 12, 2028 that certain common stock price appreciation metrics are achieved, provided that the reporting person remains employed by the issuer as of each vesting date.

Represents shares withheld by the issuer to cover tax withholding obligations upon vesting of a PSU award. No issuance or sale of securities occurred in connection with the tax withholding.

Performance-based stock units("PSUs") for shares of the Issuer's common stock were earned on May 18, 2026, based on the achievement of pre-established performance metrics.

Represents the purchase of shares of common stock in an underwritten public offering at the same price paid by the public. The shares are subject to a lock-up provision for a period of 90 days, as required under a lock-up agreement with the underwriters of the public offering.

Represents restricted stock units (RSUs) granted to the reporting person under the issuer's 2013 Equity Incentive Plan, as amended and restated to date. Each RSU represents the contingent right to receive one share of the issuer's common stock. The RSUs vest in four equal installments on March 31, 2026, June 30, 2026, September 30, 2026 and December 31, 2026, provided that the reporting person remains in continuous service with the issuer as of each vesting date.

Represents restricted stock units (RSUs) granted to the reporting person under the issuer's 2013 Equity Incentive Plan, as amended and restated to date. Each RSU represents the contingent right to receive one share of the issuer's common stock. The RSUs vest in four equal installments on March 31, 2026, June 30, 2026, September 30, 2026 and December 31, 2026, provided that the reporting person remains in continuous service with the issuer as of each vesting date.

Represents restricted stock units (RSUs) granted to the reporting person under the issuer's 2013 Equity Incentive Plan, as amended and restated to date. Each RSU represents the contingent right to receive one share of the issuer's common stock. The RSUs vest in four equal installments on March 31, 2026, June 30, 2026, September 30, 2026 and December 31, 2026, provided that the reporting person remains in continuous service with the issuer as of each vesting date.

Represents restricted stock units (RSUs) granted to the reporting person under the issuer's 2013 Equity Incentive Plan, as amended and restated to date. Each RSU represents the contingent right to receive one share of the issuer's common stock. The RSUs vest in four equal installments on March 31, 2026, June 30, 2026, September 30, 2026 and December 31, 2026, provided that the reporting person remains in continuous service with the issuer as of each vesting date.

Represents shares withheld by the issuer to cover tax withholding obligations upon vesting of a restricted stock unit award. No sale of securities occurred in connection with the tax withholding.

Represents 247,438 restricted stock units (RSUs) granted to the reporting person as an inducement award. Each RSU represents the contingent right to receive one share of the issuer's common stock. The RSUs vest in three equal annual installments beginning on November 3, 2026.

Represents shares withheld by the issuer to cover tax withholding obligations upon vesting of a restricted stock unit award. No sale of securities occurred in connection with the tax withholding.

Represents shares withheld by the issuer to cover tax withholding obligations upon vesting of a restricted stock unit award. No sale of securities occurred in connection with the tax withholding.

Represents 20,000 restricted stock units (RSUs) granted to the reporting person under the issuer's 2013 Equity Incentive Plan, as amended and restated to date (the 2013 Plan). Each RSU represents the contingent right to receive one share of the issuer's common stock. The RSUs vest in three equal annual installments on June 12, 2026, June 12, 2027 and June 12, 2028, provided that the reporting person remains employed by the issuer as of each vesting date.

Represents 20,000 restricted stock units (RSUs) granted to the reporting person under the issuer's 2013 Equity Incentive Plan, as amended and restated to date (the 2013 Plan). Each RSU represents the contingent right to receive one share of the issuer's common stock. The RSUs vest in three equal annual installments on June 12, 2026, June 12, 2027 and June 12, 2028, provided that the reporting person remains employed by the issuer as of each vesting date.

Represents up to 20,000 performance stock units (PSUs) granted to the reporting person under the issuer's 2013 Plan. Each PSU represents the contingent right to receive one share of the issuer's common stock. The PSUs vest in three equal tranches at such time or times prior to June 12, 2028 that certain common stock price appreciation metrics are achieved, provided that the reporting person remains employed by the issuer as of each vesting date.

Represents up to 60,000 performance stock units (PSUs) granted to the reporting person under the issuer's 2013 Plan. Each PSU represents the contingent right to receive one share of the issuer's common stock. The PSUs vest in three equal tranches at such time or times prior to June 12, 2028 that certain common stock price appreciation metrics are achieved, provided that the reporting person remains employed by the issuer as of each vesting date.

Represents restricted stock units (RSUs) granted to the reporting person under the issuer's 2013 Equity Incentive Plan, as amended and restated to date. Each RSU represents the contingent right to receive one share of the issuer's common stock. The RSUs vest in four equal installments on March 31, 2025, June 30, 2025, September 30, 2025 and December 31, 2025, provided that the reporting person remains in continuous service with the issuer as of each vesting date.

Represents restricted stock units (RSUs) granted to the reporting person under the issuer's 2013 Equity Incentive Plan, as amended and restated to date. Each RSU represents the contingent right to receive one share of the issuer's common stock. The RSUs vest in four equal installments on March 31, 2025, June 30, 2025, September 30, 2025 and December 31, 2025, provided that the reporting person remains in continuous service with the issuer as of each vesting date.

Represents restricted stock units (RSUs) granted to the reporting person under the issuer's 2013 Equity Incentive Plan, as amended and restated to date. Each RSU represents the contingent right to receive one share of the issuer's common stock. The RSUs vest in four equal installments on March 31, 2025, June 30, 2025, September 30, 2025 and December 31, 2025, provided that the reporting person remains in continuous service with the issuer as of each vesting date.

Represents restricted stock units (RSUs) granted to the reporting person under the issuer's 2013 Equity Incentive Plan, as amended and restated to date. Each RSU represents the contingent right to receive one share of the issuer's common stock. The RSUs vest in four equal installments on March 31, 2025, June 30, 2025, September 30, 2025 and December 31, 2025, provided that the reporting person remains in continuous service with the issuer as of each vesting date.

Represents shares withheld by the issuer to cover tax withholding obligations upon vesting of an RSU award. No sale of securities occurred in connection with the tax withholding.

Represents shares withheld by the issuer to cover tax withholding obligations upon vesting of an RSU award. No sale of securities occurred in connection with the tax withholding.

Represents shares withheld by the issuer to cover tax withholding obligations upon vesting of an RSU award. No sale of securities occurred in connection with the tax withholding.

Represents shares withheld by the issuer to cover tax withholding obligations upon vesting of an RSU award. No sale of securities occurred in connection with the tax withholding.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.79 to $5.99, inclusive. The reporting person undertakes to provide to the issuer, any shareholder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.85 to $5.95, inclusive. The reporting person undertakes to provide to the issuer, any shareholder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

Represents restricted stock units (RSUs) granted to the reporting person under the issuer's 2013 Equity Incentive Plan, as amended and restated to date (the 2013 Plan). Each RSU represents the contingent right to receive one share of the issuer's common stock. The RSUs vest in three equal annual installments on June 20, 2025, June 20, 2026 and June 20, 2027, provided that the reporting person remains employed by the issuer as of each vesting date.

Represents restricted stock units (RSUs) granted to the reporting person under the issuer's 2013 Equity Incentive Plan, as amended and restated to date (the 2013 Plan). Each RSU represents the contingent right to receive one share of the issuer's common stock. The RSUs vest in three equal annual installments on June 20, 2025, June 20, 2026 and June 20, 2027, provided that the reporting person remains employed by the issuer as of each vesting date.

Represents restricted stock units (RSUs) granted to the reporting person under the issuer's 2013 Equity Incentive Plan, as amended and restated to date. Each RSU represents the contingent right to receive one share of the issuer's common stock. The RSUs vest in four equal installments on March 31, 2024, June 30, 2024, September 30, 2024 and December 31, 2024, provided that the reporting person remains in continuous service with the issuer as of each vesting date.

Represents restricted stock units (RSUs) granted to the reporting person under the issuer's 2013 Equity Incentive Plan, as amended and restated to date. Each RSU represents the contingent right to receive one share of the issuer's common stock. The RSUs vest in four equal installments on March 31, 2024, June 30, 2024, September 30, 2024 and December 31, 2024, provided that the reporting person remains in continuous service with the issuer as of each vesting date.

Represents restricted stock units (RSUs) granted to the reporting person under the issuer's 2013 Equity Incentive Plan, as amended and restated to date. Each RSU represents the contingent right to receive one share of the issuer's common stock. The RSUs vest in four equal installments on March 31, 2024, June 30, 2024, September 30, 2024 and December 31, 2024, provided that the reporting person remains in continuous service with the issuer as of each vesting date.

Represents restricted stock units (RSUs) granted to the reporting person under the issuer's 2013 Equity Incentive Plan, as amended and restated to date. Each RSU represents the contingent right to receive one share of the issuer's common stock. The RSUs vest in four equal installments on March 31, 2024, June 30, 2024, September 30, 2024 and December 31, 2024, provided that the reporting person remains in continuous service with the issuer as of each vesting date.

Represents shares withheld by the issuer to cover tax withholding obligations upon vesting of an RSU award.

Represents shares withheld by the issuer to cover tax withholding obligations upon vesting of an RSU award.

Represents shares withheld by the issuer to cover tax withholding obligations upon vesting of an RSU award.

Represents shares withheld by the issuer to cover tax withholding obligations upon vesting of an RSU award.