X0508 4 2026-02-27 0001409375 ORION ENERGY SYSTEMS, INC. OESX 0001184632 BRODIN J PER 2210 WOODLAND DRIVE MANITOWOC WI 54220 false true false false EVP, CFO, CAO & Treasurer false Common Stock 2026-02-27 4 P false 500 11.07 A 92811 D Stock Options (right to buy) 6 2035-07-17 Common Stock 12500 12500 D On August 22, 2025, the issuer effected a 1-for-10 reverse stock split of the issued and outstanding shares of its common stock. Upon effectiveness of the reverse stock split, every 10 shares of common stock was automatically converted into one share of common stock, resulting in the reporting person's beneficial ownership of 830,802 less shares of common stock held directly. Grant to reporting person of option to buy shares under the Orion Energy Systems, Inc. 2016 Omnibus Incentive Plan. This option was granted July 16, 2025 and becomes exercisable, if at all, in three equal increments if the average closing sale price of Orion Energy Systems, Inc.'s common stock, for five consecutive trading days during the three calendar years immediately following the date of the grant, equals or exceeds $30.00, $40.00 and $50.00, respectively. On August 22, 2025, the issuer effected a 1-for-10 reverse stock split of the issued and outstanding shares of its common stock. Upon effectiveness of the reverse stock split, every 10 shares of common stock was automatically converted into one share of common stock, and the number of shares subject to the reporting person's option was divided by 10, such that the option is exercisable for 112,500 less shares of common stock. Additionally, proportionate equitable adjustments were made to the exercise price of the option and the vesting requirements for the performance-vesting portion of the option. /s/ Steven R. Barth, Attorney-in-Fact for J. Per Brodin 2026-02-27