Form 4 for OESX ORION ENERGY SYSTEMS, INC.

Accepted 2026-08-12 16:27:17 ET · period of report 2026-08-11 · accession 0000897069-26-001647 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
D	2026-08-12 16:27	2026-08-11	OESX	BRODIN J PER	EVP, CFO, CAO, Treas	A - Grant	$0.00	+9,000	85.3K	+12%	$0
D	2026-08-12 16:27	2026-08-11	OESX	BRODIN J PER	EVP, CFO, CAO, Treas	A - Grant	$0.00	+17.5K	17.5K	New	$0

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2026-08-11	A	A	9,000	$0.00	85,263	D	—	—	(F1) Restricted stock granted to the reporting person under the Orion Energy Systems, Inc. 2016 Omnibus Incentive Plan. The restricted stock vests and becomes exercisable with respect to 1/3 of the restricted stock on each of August 11, 2027, 2028 and 2029, respectively. (F2) The amount of common stock beneficially owned by reporting person has been adjusted to reflect the forfeiture of 16,548 performance shares for which performance conditions were not met.
2	Derivative	Stock Options (right to buy)	2026-08-11	A	A	17,500	$0.00	17,500	D	$19.75 · — to 2036-08-11	17,500 Common Stock	(F3) Option to buy shares of common stock granted to the reporting person under the Orion Energy Systems, Inc. 2016 Omnibus Incentive Plan. This option was granted August 11, 2026 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, provided Mr. Brodin remains in Orion Energy Systems, Inc.'s employment until the applicable vesting date.