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The restricted stock vests and becomes exercisable with respect to 1/3 of the restricted stock on each of June 7, 2019, 2020 and 2021, respectively."}],"balance_after":501076,"source":{"system":"sec-edgar","filing":"0001140361-18-028097","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1409375/000114036118028097/doc1.xml","form_type":"4"}},{"id":4029998,"issuer":{"id":6811,"kind":"organization","name":"ORION ENERGY SYSTEMS, INC."},"owners":[{"id":113062,"kind":"person","name":"Altschaefl Michael W","position":1,"cik":"0001476048","reported_name":"Altschaefl Michael W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2018-02-28T01:52:43.000Z","date":"2018-02-23","kind":"purchase","acquired":true,"shares":24000,"price":0.8603,"value":20647.2,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price in Column 4 is a weighted average price. The prices actually paid ranged from $0.849 to $0.8699. The reporting person has provided to the issuer, and will provide to any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares purchased at each price within the range for all transactions reported in this Form 4 utilizing a weighted average price."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The Form 4 filed on February 27, 2018, reported that the reporting person held 363,829 shares following the reported transaction. This amended Form 4 is being filed to report that the reporting person actually held 371,076 shares following the transaction."}],"balance_after":371076,"source":{"system":"sec-edgar","filing":"0001140361-18-010630","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1409375/000114036118010630/doc1.xml","form_type":"4/A","original_submission_date":"2017-02-27"}},{"id":4029996,"issuer":{"id":6811,"kind":"organization","name":"ORION ENERGY SYSTEMS, INC."},"owners":[{"id":113062,"kind":"person","name":"Altschaefl Michael W","position":1,"cik":"0001476048","reported_name":"Altschaefl Michael W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2018-02-27T23:59:47.000Z","date":"2018-02-23","kind":"purchase","acquired":true,"shares":24000,"price":0.8603,"value":20647.2,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price in Column 4 is a weighted average price. The prices actually paid ranged from $0.849 to $0.8699. The reporting person has provided to the issuer, and will provide to any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares purchased at each price within the range for all transactions reported in this Form 4 utilizing a weighted average price."}],"balance_after":363829,"source":{"system":"sec-edgar","filing":"0001140361-18-010592","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1409375/000114036118010592/doc1.xml","form_type":"4"}},{"id":4260817,"issuer":{"id":6811,"kind":"organization","name":"ORION ENERGY SYSTEMS, INC."},"owners":[{"id":113062,"kind":"person","name":"Altschaefl Michael W","position":1,"cik":"0001476048","reported_name":"Altschaefl Michael W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2017-07-07T18:57:55.000Z","date":"2017-07-06","kind":"grant","acquired":true,"shares":7247,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares granted in lieu of cash for quarterly retainer and board chair fees earned prior to Mr. Altschaefl's appointment as Chief Executive Officer pursuant to Issuer's 2016 Omnibus Incentive Plan."}],"balance_after":347076,"source":{"system":"sec-edgar","filing":"0001140361-17-027439","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1409375/000114036117027439/doc1.xml","form_type":"4"}},{"id":4273434,"issuer":{"id":6811,"kind":"organization","name":"ORION ENERGY SYSTEMS, INC."},"owners":[{"id":113062,"kind":"person","name":"Altschaefl Michael W","position":1,"cik":"0001476048","reported_name":"Altschaefl Michael W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2017-06-23T16:39:16.000Z","date":"2017-06-21","kind":"purchase","acquired":true,"shares":7500,"price":1.3114,"value":9835.5,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price in Column 4 is a weighted average price. The prices actually paid ranged from $1.2899 to $1.3167. The reporting person has provided to the issuer, and will provide to any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares purchased at each price within the range for all transactions reported in this Form 4 utilizing an average weighted price."}],"balance_after":339829,"source":{"system":"sec-edgar","filing":"0001140361-17-025937","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1409375/000114036117025937/doc1.xml","form_type":"4"}},{"id":4277347,"issuer":{"id":6811,"kind":"organization","name":"ORION ENERGY SYSTEMS, INC."},"owners":[{"id":113062,"kind":"person","name":"Altschaefl Michael W","position":1,"cik":"0001476048","reported_name":"Altschaefl Michael W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2017-06-19T20:56:15.000Z","date":"2017-06-15","kind":"purchase","acquired":true,"shares":5000,"price":1.3484,"value":6742.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price in Column 4 is a weighted average price. The prices actually paid ranged from $1.3386 to $1.3486. The reporting person has provided to the issuer, and will provide to any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares purchased at each price within the range for all transactions reported in this Form 4 utilizing an average weighted price."}],"balance_after":332329,"source":{"system":"sec-edgar","filing":"0001140361-17-025500","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1409375/000114036117025500/doc1.xml","form_type":"4"}},{"id":4280579,"issuer":{"id":6811,"kind":"organization","name":"ORION ENERGY SYSTEMS, INC."},"owners":[{"id":113062,"kind":"person","name":"Altschaefl Michael W","position":1,"cik":"0001476048","reported_name":"Altschaefl Michael W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2017-06-15T20:05:46.000Z","date":"2017-06-13","kind":"purchase","acquired":true,"shares":5000,"price":1.3863,"value":6931.5,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price in Column 4 is a weighted average price. The prices actually paid ranged from $1.37 to $1.40. The reporting person has provided to the issuer, and will provide to any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares purchased at each price within the range for all transactions reported in this Form 4 utilizing an average weighted price."}],"balance_after":327329,"source":{"system":"sec-edgar","filing":"0001140361-17-025161","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1409375/000114036117025161/doc1.xml","form_type":"4"}},{"id":4280578,"issuer":{"id":6811,"kind":"organization","name":"ORION ENERGY SYSTEMS, INC."},"owners":[{"id":113062,"kind":"person","name":"Altschaefl Michael W","position":1,"cik":"0001476048","reported_name":"Altschaefl Michael W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2017-06-15T20:05:46.000Z","date":"2017-06-13","kind":"grant","acquired":true,"shares":113044,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Restricted stock granted to the reporting person under the Orion Energy Systems, Inc. 2016 Omnibus Incentive Plan. 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