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The registrant has determined that 157,144 of those options were not validly granted because they exceeded the Plan's limit on the aggregate number of shares subject to awards that may be granted to an individual participant in any calendar year. The reporting person is filing this amendment to report the correct number of stock options granted."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option shall become exercisable in 12 substantially equal installments on the first day of each calendar month beginning September 2017."}],"balance_after":20204,"derivative":{"exercise_price":12.35,"expiration_date":"2021-08-31","underlying":"Common Stock","underlying_shares":20204},"source":{"system":"sec-edgar","filing":"0000908662-16-000596","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/825411/000090866216000596/edgar.xml","form_type":"4/A","original_submission_date":"2016-08-04"}},{"id":4570136,"issuer":{"id":172869,"kind":"organization","name":"SEVCON, INC.","symbol":"SEV"},"owners":[{"id":170686,"kind":"person","name":"Morris Ryan J.","position":1,"cik":"0001535780","reported_name":"Morris Ryan J.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Stock Option (Right to Buy)","published_at":"2016-11-02T10:23:35.000Z","date":"2016-08-02","kind":"grant","acquired":true,"shares":36496,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option shall become exercisable in 12 substantially equal installments on the first day of each calendar month beginning September 2016."}],"balance_after":36496,"derivative":{"exercise_price":10.93,"expiration_date":"2020-08-31","underlying":"Common Stock","underlying_shares":36496},"source":{"system":"sec-edgar","filing":"0000908662-16-000596","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/825411/000090866216000596/edgar.xml","form_type":"4/A","original_submission_date":"2016-08-04"}},{"id":4601311,"issuer":{"id":6163,"kind":"organization","name":"InfuSystem Holdings, Inc","symbol":"INFU"},"owners":[{"id":170686,"kind":"person","name":"Morris Ryan J.","position":1,"cik":"0001535780","reported_name":"Morris Ryan J.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2016-09-16T17:01:14.000Z","date":"2016-09-14","kind":"purchase","acquired":true,"shares":23171,"price":2.8532,"value":66111.4972,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares beneficially owned by Meson Capital Partners LP (\"Meson LP\").  As the general partner of Meson LP, Meson LLC may be deemed to have the shared power to vote or direct the vote of (and the shared power to dispose or direct the disposition of) the Meson LP shares.  Meson LLC does not own any shares of Common Stock directly and disclaims beneficial ownership of the Meson LP shares.  As managing member of Meson LLC, Mr. Morris may be deemed to have the shared power to vote or direct the vote of (and the shared power to dispose or direct the disposition of) any shares of Common Stock beneficially owned by Meson LLC.  Mr. Morris disclaims beneficial ownership of any shares of Common Stock beneficially owned by Meson LLC."}],"balance_after":582797,"source":{"system":"sec-edgar","filing":"0001014108-16-000513","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1337013/000101410816000513/primary_doc.xml","form_type":"4"}},{"id":4603997,"issuer":{"id":6163,"kind":"organization","name":"InfuSystem Holdings, Inc","symbol":"INFU"},"owners":[{"id":170686,"kind":"person","name":"Morris Ryan J.","position":1,"cik":"0001535780","reported_name":"Morris Ryan J.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2016-09-13T22:21:56.000Z","date":"2016-09-13","kind":"purchase","acquired":true,"shares":9829,"price":2.8728,"value":28236.7512,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares beneficially owned by Meson Capital Partners LP (\"Meson LP\").  As the general partner of Meson LP, Meson LLC may be deemed to have the shared power to vote or direct the vote of (and the shared power to dispose or direct the disposition of) the Meson LP shares.  Meson LLC does not own any shares of Common Stock directly and disclaims beneficial ownership of the Meson LP shares.  As managing member of Meson LLC, Mr. Morris may be deemed to have the shared power to vote or direct the vote of (and the shared power to dispose or direct the disposition of) any shares of Common Stock beneficially owned by Meson LLC.  Mr. Morris disclaims beneficial ownership of any shares of Common Stock beneficially owned by Meson LLC."}],"balance_after":559626,"source":{"system":"sec-edgar","filing":"0001014108-16-000511","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1337013/000101410816000511/primary_doc.xml","form_type":"4"}},{"id":4603996,"issuer":{"id":6163,"kind":"organization","name":"InfuSystem Holdings, Inc","symbol":"INFU"},"owners":[{"id":170686,"kind":"person","name":"Morris Ryan J.","position":1,"cik":"0001535780","reported_name":"Morris Ryan J.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2016-09-13T22:21:56.000Z","date":"2016-09-12","kind":"purchase","acquired":true,"shares":2000,"price":2.88,"value":5760.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares beneficially owned by Meson Capital Partners LP (\"Meson LP\").  As the general partner of Meson LP, Meson LLC may be deemed to have the shared power to vote or direct the vote of (and the shared power to dispose or direct the disposition of) the Meson LP shares.  Meson LLC does not own any shares of Common Stock directly and disclaims beneficial ownership of the Meson LP shares.  As managing member of Meson LLC, Mr. Morris may be deemed to have the shared power to vote or direct the vote of (and the shared power to dispose or direct the disposition of) any shares of Common Stock beneficially owned by Meson LLC.  Mr. Morris disclaims beneficial ownership of any shares of Common Stock beneficially owned by Meson LLC."}],"balance_after":549797,"source":{"system":"sec-edgar","filing":"0001014108-16-000511","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1337013/000101410816000511/primary_doc.xml","form_type":"4"}},{"id":4603995,"issuer":{"id":6163,"kind":"organization","name":"InfuSystem Holdings, Inc","symbol":"INFU"},"owners":[{"id":170686,"kind":"person","name":"Morris Ryan J.","position":1,"cik":"0001535780","reported_name":"Morris Ryan J.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2016-09-13T22:21:56.000Z","date":"2016-09-09","kind":"purchase","acquired":true,"shares":5000,"price":2.8876,"value":14438.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares beneficially owned by Meson Capital Partners LP (\"Meson LP\").  As the general partner of Meson LP, Meson LLC may be deemed to have the shared power to vote or direct the vote of (and the shared power to dispose or direct the disposition of) the Meson LP shares.  Meson LLC does not own any shares of Common Stock directly and disclaims beneficial ownership of the Meson LP shares.  As managing member of Meson LLC, Mr. Morris may be deemed to have the shared power to vote or direct the vote of (and the shared power to dispose or direct the disposition of) any shares of Common Stock beneficially owned by Meson LLC.  Mr. Morris disclaims beneficial ownership of any shares of Common Stock beneficially owned by Meson LLC."}],"balance_after":547797,"source":{"system":"sec-edgar","filing":"0001014108-16-000511","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1337013/000101410816000511/primary_doc.xml","form_type":"4"}},{"id":4607582,"issuer":{"id":6163,"kind":"organization","name":"InfuSystem Holdings, Inc","symbol":"INFU"},"owners":[{"id":170686,"kind":"person","name":"Morris Ryan J.","position":1,"cik":"0001535780","reported_name":"Morris Ryan J.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2016-09-08T22:21:58.000Z","date":"2016-09-08","kind":"purchase","acquired":true,"shares":10000,"price":2.8575,"value":28575.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares beneficially owned by Meson Capital Partners LP (\"Meson LP\").  As the general partner of Meson LP, Meson LLC may be deemed to have the shared power to vote or direct the vote of (and the shared power to dispose or direct the disposition of) the Meson LP shares.  Meson LLC does not own any shares of Common Stock directly and disclaims beneficial ownership of the Meson LP shares.  As managing member of Meson LLC, Mr. Morris may be deemed to have the shared power to vote or direct the vote of (and the shared power to dispose or direct the disposition of) any shares of Common Stock beneficially owned by Meson LLC.  Mr. Morris disclaims beneficial ownership of any shares of Common Stock beneficially owned by Meson LLC."}],"balance_after":552797,"source":{"system":"sec-edgar","filing":"0001014108-16-000510","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1337013/000101410816000510/primary_doc.xml","form_type":"4"}},{"id":4607581,"issuer":{"id":6163,"kind":"organization","name":"InfuSystem Holdings, Inc","symbol":"INFU"},"owners":[{"id":170686,"kind":"person","name":"Morris Ryan J.","position":1,"cik":"0001535780","reported_name":"Morris Ryan J.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2016-09-08T22:21:58.000Z","date":"2016-09-06","kind":"purchase","acquired":true,"shares":7171,"price":2.8229,"value":20243.0159,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares beneficially owned by Meson Capital Partners LP (\"Meson LP\").  As the general partner of Meson LP, Meson LLC may be deemed to have the shared power to vote or direct the vote of (and the shared power to dispose or direct the disposition of) the Meson LP shares.  Meson LLC does not own any shares of Common Stock directly and disclaims beneficial ownership of the Meson LP shares.  As managing member of Meson LLC, Mr. Morris may be deemed to have the shared power to vote or direct the vote of (and the shared power to dispose or direct the disposition of) any shares of Common Stock beneficially owned by Meson LLC.  Mr. Morris disclaims beneficial ownership of any shares of Common Stock beneficially owned by Meson LLC."}],"balance_after":542797,"source":{"system":"sec-edgar","filing":"0001014108-16-000510","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1337013/000101410816000510/primary_doc.xml","form_type":"4"}},{"id":4610837,"issuer":{"id":6163,"kind":"organization","name":"InfuSystem Holdings, Inc","symbol":"INFU"},"owners":[{"id":170686,"kind":"person","name":"Morris Ryan J.","position":1,"cik":"0001535780","reported_name":"Morris Ryan J.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2016-09-06T16:57:12.000Z","date":"2016-09-02","kind":"purchase","acquired":true,"shares":2600,"price":2.8351,"value":7371.26,"ownership":{"direct":true},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"As an entity managed by Mr. Morris, Meson Capital Partners LLC (\"Meson LLC\"), may be deemed to have the shared power to vote or direct the vote of (and the shared power to dispose or direct the disposition of) the shares held by Mr. Morris.  Meson LLC disclaims beneficial ownership of such shares."}],"balance_after":90094,"source":{"system":"sec-edgar","filing":"0001014108-16-000509","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1337013/000101410816000509/primary_doc.xml","form_type":"4"}},{"id":4610836,"issuer":{"id":6163,"kind":"organization","name":"InfuSystem Holdings, Inc","symbol":"INFU"},"owners":[{"id":170686,"kind":"person","name":"Morris Ryan J.","position":1,"cik":"0001535780","reported_name":"Morris Ryan J.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2016-09-06T16:57:12.000Z","date":"2016-09-01","kind":"purchase","acquired":true,"shares":2000,"price":2.8495,"value":5699.0,"ownership":{"direct":true},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"As an entity managed by Mr. Morris, Meson Capital Partners LLC (\"Meson LLC\"), may be deemed to have the shared power to vote or direct the vote of (and the shared power to dispose or direct the disposition of) the shares held by Mr. Morris.  Meson LLC disclaims beneficial ownership of such shares."}],"balance_after":87494,"source":{"system":"sec-edgar","filing":"0001014108-16-000509","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1337013/000101410816000509/primary_doc.xml","form_type":"4"}}]}