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At or immediately prior to the effective time of the Merger, the outstanding RSUs were assumed by Thermo Fisher and converted into an award representing a right to receive a cash amount equal to (x) $107.50 multiplied by (y) the total number of outstanding shares of the Issuer's common stock that would have been delivered to Mr. Kania on each future vesting date of such RSUs (or on each future delivery date of such RSUs, if such delivery date is later than the related vesting date), subject to the vesting and delivery terms of the Issuer's 1995 Stock Incentive Plan and the award agreement evidencing such RSUs, in each case as in effect immediately prior to the effective time of the Merger."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"Each of the restricted share units (\"RSUs\") represents the right to receive, following vesting, one share of the Issuer's common stock.  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These RSUs do not expire, unless forfeited under the terms of the RSUs."},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"The RSUs were scheduled to vest in four equal annual installments beginning on October 31, 2014. At or immediately prior to the effective time of the Merger, the outstanding RSUs were assumed by Thermo Fisher and converted into an award representing a right to receive a cash amount equal to (x) $107.50 multiplied by (y) the total number of outstanding shares of the Issuer's common stock that would have been delivered to Mr. Kania on each future vesting date of such RSUs (or on each future delivery date of such RSUs, if such delivery date is later than the related vesting date), subject to the vesting and delivery terms of the Issuer's 1995 Stock Incentive Plan and the award agreement evidencing such RSUs, in each case as in effect immediately prior to the effective time of the Merger."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"The RSUs were scheduled to vest in four equal annual installments beginning on October 31, 2014. At or immediately prior to the effective time of the Merger, the outstanding RSUs were assumed by Thermo Fisher and converted into an award representing a right to receive a cash amount equal to (x) $107.50 multiplied by (y) the total number of outstanding shares of the Issuer's common stock that would have been delivered to Mr. Kania on each future vesting date of such RSUs (or on each future delivery date of such RSUs, if such delivery date is later than the related vesting date), subject to the vesting and delivery terms of the Issuer's 1995 Stock Incentive Plan and the award agreement evidencing such RSUs, in each case as in effect immediately prior to the effective time of the Merger."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"Each of the restricted share units (\"RSUs\") represents the right to receive, following vesting, one share of the Issuer's common stock.  These RSUs do not expire, unless forfeited under the terms of the RSUs."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":7952},"source":{"system":"sec-edgar","filing":"0000899243-16-029573","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/914329/000089924316029573/doc4.xml","form_type":"4"}},{"id":4598504,"issuer":{"id":182178,"kind":"organization","name":"FEI CO","symbol":"FEIC"},"owners":[{"id":15217,"kind":"person","name":"KANIA DON R","position":1,"cik":"0001254028","reported_name":"KANIA DON R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"RSUs","published_at":"2016-09-21T13:42:56.000Z","date":"2016-09-19","kind":"disposition_to_issuer","acquired":false,"shares":5844,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F8","text":"Each of the restricted share units (\"RSUs\") represents the right to receive, following vesting, one share of the Issuer's common stock.  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At or immediately prior to the effective time of the Merger, the outstanding RSUs were assumed by Thermo Fisher and converted into an award representing a right to receive a cash amount equal to (x) $107.50 multiplied by (y) the total number of outstanding shares of the Issuer's common stock that would have been delivered to Mr. Kania on each future vesting date of such RSUs (or on each future delivery date of such RSUs, if such delivery date is later than the related vesting date), subject to the vesting and delivery terms of the Issuer's 1995 Stock Incentive Plan and the award agreement evidencing such RSUs, in each case as in effect immediately prior to the effective time of the Merger."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"The RSUs were scheduled to vest in four equal annual installments beginning on November 1, 2013. At or immediately prior to the effective time of the Merger, the outstanding RSUs were assumed by Thermo Fisher and converted into an award representing a right to receive a cash amount equal to (x) $107.50 multiplied by (y) the total number of outstanding shares of the Issuer's common stock that would have been delivered to Mr. Kania on each future vesting date of such RSUs (or on each future delivery date of such RSUs, if such delivery date is later than the related vesting date), subject to the vesting and delivery terms of the Issuer's 1995 Stock Incentive Plan and the award agreement evidencing such RSUs, in each case as in effect immediately prior to the effective time of the Merger."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"Each of the restricted share units (\"RSUs\") represents the right to receive, following vesting, one share of the Issuer's common stock.  These RSUs do not expire, unless forfeited under the terms of the RSUs."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":5844},"source":{"system":"sec-edgar","filing":"0000899243-16-029573","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/914329/000089924316029573/doc4.xml","form_type":"4"}},{"id":4598503,"issuer":{"id":182178,"kind":"organization","name":"FEI CO","symbol":"FEIC"},"owners":[{"id":15217,"kind":"person","name":"KANIA DON R","position":1,"cik":"0001254028","reported_name":"KANIA DON R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Stock Options","published_at":"2016-09-21T13:42:56.000Z","date":"2016-09-19","kind":"disposition_to_issuer","acquired":false,"shares":82697,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The option was scheduled to vest in four equal annual installments beginning on May 22, 2016. At or immediately prior to the effective time of the Merger, the unexercised portion of the option was assumed by Thermo Fisher and converted into an award representing a right to receive a cash amount equal to (x) the difference between $107.50 and the per share exercise price of the option, multiplied by (y) the number of shares subject to such portion of the option, subject to the vesting terms of the Issuer's 1995 Stock Incentive Plan and the award agreement evidencing such option, in each case as in effect immediately prior to the effective time of the Merger."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"The option was scheduled to vest in four equal annual installments beginning on May 22, 2016. At or immediately prior to the effective time of the Merger, the unexercised portion of the option was assumed by Thermo Fisher and converted into an award representing a right to receive a cash amount equal to (x) the difference between $107.50 and the per share exercise price of the option, multiplied by (y) the number of shares subject to such portion of the option, subject to the vesting terms of the Issuer's 1995 Stock Incentive Plan and the award agreement evidencing such option, in each case as in effect immediately prior to the effective time of the Merger."}],"balance_after":0,"derivative":{"exercise_price":81.15,"expiration_date":"2022-05-22","underlying":"Common Stock","underlying_shares":82697},"source":{"system":"sec-edgar","filing":"0000899243-16-029573","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/914329/000089924316029573/doc4.xml","form_type":"4"}},{"id":4598502,"issuer":{"id":182178,"kind":"organization","name":"FEI CO","symbol":"FEIC"},"owners":[{"id":15217,"kind":"person","name":"KANIA DON R","position":1,"cik":"0001254028","reported_name":"KANIA DON R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Stock Options","published_at":"2016-09-21T13:42:56.000Z","date":"2016-09-19","kind":"disposition_to_issuer","acquired":false,"shares":64612,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The option was scheduled to vest in four equal annual installments beginning on May 19, 2015. At or immediately prior to the effective time of the Merger, the unexercised portion of the option was assumed by Thermo Fisher and converted into an award representing a right to receive a cash amount equal to (x) the difference between $107.50 and the per share exercise price of the option, multiplied by (y) the number of shares subject to such portion of the option, subject to the vesting terms of the Issuer's 1995 Stock Incentive Plan and the award agreement evidencing such option, in each case as in effect immediately prior to the effective time of the Merger."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The option was scheduled to vest in four equal annual installments beginning on May 19, 2015. At or immediately prior to the effective time of the Merger, the unexercised portion of the option was assumed by Thermo Fisher and converted into an award representing a right to receive a cash amount equal to (x) the difference between $107.50 and the per share exercise price of the option, multiplied by (y) the number of shares subject to such portion of the option, subject to the vesting terms of the Issuer's 1995 Stock Incentive Plan and the award agreement evidencing such option, in each case as in effect immediately prior to the effective time of the Merger."}],"balance_after":0,"derivative":{"exercise_price":81.88,"expiration_date":"2021-05-19","underlying":"Common Stock","underlying_shares":64612},"source":{"system":"sec-edgar","filing":"0000899243-16-029573","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/914329/000089924316029573/doc4.xml","form_type":"4"}},{"id":4598501,"issuer":{"id":182178,"kind":"organization","name":"FEI CO","symbol":"FEIC"},"owners":[{"id":15217,"kind":"person","name":"KANIA DON R","position":1,"cik":"0001254028","reported_name":"KANIA DON R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Stock Options","published_at":"2016-09-21T13:42:56.000Z","date":"2016-09-19","kind":"disposition_to_issuer","acquired":false,"shares":41356,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The option was scheduled to vest in four equal annual installments beginning on October 31, 2014. At or immediately prior to the effective time of the Merger, the unexercised portion of the option was assumed by Thermo Fisher and converted into an award representing a right to receive a cash amount equal to (x) the difference between $107.50 and the per share exercise price of the option, multiplied by (y) the number of shares subject to such portion of the option, subject to the vesting terms of the Issuer's 1995 Stock Incentive Plan and the award agreement evidencing such option, in each case as in effect immediately prior to the effective time of the Merger."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The option was scheduled to vest in four equal annual installments beginning on October 31, 2014. At or immediately prior to the effective time of the Merger, the unexercised portion of the option was assumed by Thermo Fisher and converted into an award representing a right to receive a cash amount equal to (x) the difference between $107.50 and the per share exercise price of the option, multiplied by (y) the number of shares subject to such portion of the option, subject to the vesting terms of the Issuer's 1995 Stock Incentive Plan and the award agreement evidencing such option, in each case as in effect immediately prior to the effective time of the Merger."}],"balance_after":0,"derivative":{"exercise_price":89.08,"expiration_date":"2020-10-31","underlying":"Common Stock","underlying_shares":41356},"source":{"system":"sec-edgar","filing":"0000899243-16-029573","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/914329/000089924316029573/doc4.xml","form_type":"4"}},{"id":4598500,"issuer":{"id":182178,"kind":"organization","name":"FEI CO","symbol":"FEIC"},"owners":[{"id":15217,"kind":"person","name":"KANIA DON R","position":1,"cik":"0001254028","reported_name":"KANIA DON R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Stock Options","published_at":"2016-09-21T13:42:56.000Z","date":"2016-09-19","kind":"disposition_to_issuer","acquired":false,"shares":60776,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The option was scheduled to vest in four equal annual installments beginning on November 1, 2013. 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At or immediately prior to the effective time of the Merger, the unexercised portion of the option was assumed by Thermo Fisher and converted into an award representing a right to receive a cash amount equal to (x) the difference between $107.50 and the per share exercise price of the option, multiplied by (y) the number of shares subject to such portion of the option, subject to the vesting terms of the Issuer's 1995 Stock Incentive Plan and the award agreement evidencing such option, in each case as in effect immediately prior to the effective time of the Merger."}],"balance_after":0,"derivative":{"exercise_price":55.16,"expiration_date":"2019-11-01","underlying":"Common Stock","underlying_shares":60776},"source":{"system":"sec-edgar","filing":"0000899243-16-029573","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/914329/000089924316029573/doc4.xml","form_type":"4"}},{"id":4598499,"issuer":{"id":182178,"kind":"organization","name":"FEI CO","symbol":"FEIC"},"owners":[{"id":15217,"kind":"person","name":"KANIA DON R","position":1,"cik":"0001254028","reported_name":"KANIA DON R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Stock Options","published_at":"2016-09-21T13:42:56.000Z","date":"2016-09-19","kind":"disposition_to_issuer","acquired":false,"shares":37412,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The option, which became fully vested on October 31, 2015, originally covered 74,824 shares but was exercised as to 37,412 shares prior to the Merger. At or immediately prior to the effective time of the Merger, the unexercised portion of the option was cancelled in exchange for a cash payment equal to (x) the difference between $107.50 and the per share exercise price of the option, multiplied by (y) the number of shares subject to such portion of the option."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The option, which became fully vested on October 31, 2015, originally covered 74,824 shares but was exercised as to 37,412 shares prior to the Merger. At or immediately prior to the effective time of the Merger, the unexercised portion of the option was cancelled in exchange for a cash payment equal to (x) the difference between $107.50 and the per share exercise price of the option, multiplied by (y) the number of shares subject to such portion of the option."}],"balance_after":0,"derivative":{"exercise_price":39.76,"expiration_date":"2018-10-31","underlying":"Common Stock","underlying_shares":37412},"source":{"system":"sec-edgar","filing":"0000899243-16-029573","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/914329/000089924316029573/doc4.xml","form_type":"4"}},{"id":4598498,"issuer":{"id":182178,"kind":"organization","name":"FEI CO","symbol":"FEIC"},"owners":[{"id":15217,"kind":"person","name":"KANIA DON R","position":1,"cik":"0001254028","reported_name":"KANIA DON R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Stock Options","published_at":"2016-09-21T13:42:56.000Z","date":"2016-09-19","kind":"disposition_to_issuer","acquired":false,"shares":26000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The option, which became fully vested on November 4, 2014, originally covered 72,000 shares but was exercised as to 46,000 shares prior to the Merger. At or immediately prior to the effective time of the Merger, the unexercised portion of the option was cancelled in exchange for a cash payment equal to (x) the difference between $107.50 and the per share exercise price of the option, multiplied by (y) the number of shares subject to such portion of the option."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option, which became fully vested on November 4, 2014, originally covered 72,000 shares but was exercised as to 46,000 shares prior to the Merger. At or immediately prior to the effective time of the Merger, the unexercised portion of the option was cancelled in exchange for a cash payment equal to (x) the difference between $107.50 and the per share exercise price of the option, multiplied by (y) the number of shares subject to such portion of the option."}],"balance_after":0,"derivative":{"exercise_price":23.98,"expiration_date":"2017-11-04","underlying":"Common Stock","underlying_shares":26000},"source":{"system":"sec-edgar","filing":"0000899243-16-029573","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/914329/000089924316029573/doc4.xml","form_type":"4"}},{"id":4598497,"issuer":{"id":182178,"kind":"organization","name":"FEI CO","symbol":"FEIC"},"owners":[{"id":15217,"kind":"person","name":"KANIA DON R","position":1,"cik":"0001254028","reported_name":"KANIA DON R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Common Stock","published_at":"2016-09-21T13:42:56.000Z","date":"2016-09-19","kind":"other","acquired":false,"shares":48486,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Disposed of at the effective time of the merger of Polpis Merger Sub Co. (\"Merger Sub\"), a wholly owned subsidiary of Thermo Fisher Scientific Inc. (\"Thermo Fisher\"), with and into the Issuer (the \"Merger\"), pursuant to that certain Agreement and Plan of Merger dated May 26, 2016, between the Issuer, Thermo Fisher and Merger Sub (the \"Merger Agreement\"), in exchange for a cash payment of $107.50 per share."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-16-029573","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/914329/000089924316029573/doc4.xml","form_type":"4"}},{"id":4606438,"issuer":{"id":182433,"kind":"organization","name":"AMERICAN SCIENCE & ENGINEERING, INC.","symbol":"ASEI"},"owners":[{"id":15217,"kind":"person","name":"KANIA DON R","position":1,"cik":"0001254028","reported_name":"KANIA DON R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option","published_at":"2016-09-12T07:40:27.000Z","date":"2016-09-09","kind":"disposition_to_issuer","acquired":false,"shares":7000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This option was cancelled for no consideration pursuant to the terms of the Merger Agreement."}],"balance_after":0,"derivative":{"exercise_price":74.79,"exercise_date":"2011-09-08","expiration_date":"2020-09-08","underlying":"Common Stock","underlying_shares":7000},"source":{"system":"sec-edgar","filing":"0001104659-16-144121","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/5768/000110465916144121/a4.xml","form_type":"4"}},{"id":4606437,"issuer":{"id":182433,"kind":"organization","name":"AMERICAN SCIENCE & ENGINEERING, INC.","symbol":"ASEI"},"owners":[{"id":15217,"kind":"person","name":"KANIA DON R","position":1,"cik":"0001254028","reported_name":"KANIA DON R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option","published_at":"2016-09-12T07:40:27.000Z","date":"2016-09-09","kind":"disposition_to_issuer","acquired":false,"shares":4181,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This option was cancelled for no consideration pursuant to the terms of the Merger Agreement."}],"balance_after":0,"derivative":{"exercise_price":75.82,"exercise_date":"2011-05-03","expiration_date":"2020-05-02","underlying":"Common Stock","underlying_shares":4181},"source":{"system":"sec-edgar","filing":"0001104659-16-144121","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/5768/000110465916144121/a4.xml","form_type":"4"}},{"id":4606436,"issuer":{"id":182433,"kind":"organization","name":"AMERICAN SCIENCE & ENGINEERING, INC.","symbol":"ASEI"},"owners":[{"id":15217,"kind":"person","name":"KANIA DON R","position":1,"cik":"0001254028","reported_name":"KANIA DON R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2016-09-12T07:40:27.000Z","date":"2016-09-09","kind":"disposition_to_issuer","acquired":false,"shares":10847,"price":37,"value":401339.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On September 9, 2016, pursuant to the Agreement and Plan of Merger among the issuer, OSI Systems, Inc. (\"Buyer\") and Apple Merger Sub, Inc., a wholly owned subsidiary of Buyer (\"Merger Sub\"), dated June 20, 2016 (the \"Merger Agreement\"), Merger Sub merged with and into the issuer (the \"Merger\"), with the issuer surviving the Merger as a wholly owned subsidiary of Buyer. Pursuant to the Merger Agreement, at the effective time of the Merger, the shares automatically converted into the right to receive $37.00 per share in cash."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001104659-16-144121","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5768/000110465916144121/a4.xml","form_type":"4"}}]}