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Non-Employee Directors' Deferred Compensation Plan, each non-employee director may defer the receipt of all or a portion of his or her director retainer (cash and stock) until the earlier of the termination of such director's service on the Company's Board of Directors and upon a change of control. Such deferred compensation is denominated in restricted stock units, and the number of restricted stock units received equals the deferred retainer fee divided by the fair market value of the Company's common stock on the business day immediately before the date the director would otherwise have been entitled to receive the retainer fee. The shares referred to above represent the quarterly retainer fee, which has been deferred in full, and would have otherwise been payable under The Taubman Company LLC 2018 Omnibus Long-Term Incentive Plan."},{"field":"shares","element":"transactionShares","label":"F2","text":"The restricted stock units represent the right to receive equivalent shares of common stock at the end of the deferral period, and each director's account is 100% vested at all times. Therefore, the reporting person has elected to report the deferral as shares of common stock received on the grant date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Under The Taubman Centers, Inc. Non-Employee Directors' Deferred Compensation Plan, each director's account is credited with dividend equivalents on the deferred restricted stock units when the Company pays cash dividends on its common stock (including special dividends, if any), and such dividend equivalents are denominated in additional restricted stock units based on the fair market value of the Company's common stock on the business day immediately before the record date of the applicable dividend payment. 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The shares referred to above represent the quarterly retainer fee, which has been deferred in full, and would have otherwise been payable under The Taubman Company LLC 2018 Omnibus Long-Term Incentive Plan."},{"field":"shares","element":"transactionShares","label":"F2","text":"The restricted stock units represent the right to receive equivalent shares of common stock at the end of the deferral period, and each director's account is 100% vested at all times. 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the Company's common stock."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Pursuant to the Merger Agreement, each RSU outstanding immediately prior to the effective time of the Merger, became fully vested and canceled and converted into the right to receive, for each Share subject to such RSU, the Merger Consideration."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Pursuant to the Merger Agreement, each RSU outstanding immediately prior to the effective time of the Merger, became fully vested and canceled and converted into the right to receive, for each Share subject to such RSU, the Merger Consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Pursuant to the Merger Agreement, each RSU outstanding immediately prior to the effective time of the Merger, became fully vested and canceled and converted into the right to receive, for each Share subject to such RSU, the Merger 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to such RSU, the Merger Consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Pursuant to the Merger Agreement, each RSU outstanding immediately prior to the effective time of the Merger, became fully vested and canceled and converted into the right to receive, for each Share subject to such RSU, the Merger Consideration."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":6800},"source":{"system":"sec-edgar","filing":"0000950142-18-000786","document":"es1800489_4-killefer.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1584637/000095014218000786/es1800489_4-killefer.xml","form_type":"4"}},{"id":3971782,"issuer":{"id":167770,"kind":"organization","name":"CSRA Inc.","symbol":"CSRA"},"owners":[{"id":10663,"kind":"person","name":"Killefer Nancy","position":1,"cik":"0001584637","reported_name":"Killefer 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(\"Company\"), General Dynamics Corporation (\"Parent\") and Red Hawk Enterprises Corp. (\"Merger Sub\"), on April 3, 2018, Merger Sub was merged with and into the Company, with the Company continuing as the surviving corporation and a wholly owned subsidiary of Parent (the \"Merger\"). 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The RSUs will vest and convert into shares of common stock on a one-to-one basis on the earlier of February 26, 2019 and the date of the issuer's 2019 annual meeting of stockholders. 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By their terms, prior to the Merger, each RSU represented a contingent right to one share of Issuer Common Stock.  Each RSU was cancelled and converted into the right to receive an amount in cash, without interest, equal to the Per Share Merger Consideration multiplied by the total number of shares of Issuer Common Stock underlying such RSU, payable within two business days following the Merger, provided that to the extent payment within such time or on such date would trigger a tax or penalty under Section 409A of the Internal Revenue Code, such payments shall be made on the earliest date that payment would not trigger such tax or penalty."},{"field":"date","element":"transactionDate","label":"F1","text":"On November 17, 2017, pursuant to that certain Agreement and Plan of Merger, dated as of August 28, 2017 (the \"Merger Agreement\"), by and among The Advisory Board Company (the \"Issuer\"), OptumInsight, Inc. (\"Optum\"), a wholly owned subsidiary of UnitedHealth Group Incorporated (\"UnitedHealth\"), and Apollo Merger Sub, Inc., a wholly owned subsidiary of Optum (\"Merger Sub\"), Merger Sub merged with and into the Issuer, with the Issuer surviving as a wholly owned subsidiary of Optum (the \"Merger\"). Immediately preceding the Merger, the Issuer completed the sale of its education business to Avatar Holdco, LLC and EAB Global, Inc. (collectively, \"Education Buyer\" and formed by Vista Equity Partners Fund VI, L.P.) pursuant to that certain Stock and Asset Purchase Agreement, dated August 28, 2017, by and among the Issuer and the Education Buyer."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The RSUs vested on September 6, 2016. Upon vesting, unless deferred, each RSU is settled by the delivery of the underlying shares of Issuer Common Stock or payment of the current cash value of the vested shares, at the discretion of the Issuer. The reporting person timely elected to defer settlement of the RSUs."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The RSUs vested on September 6, 2016. Upon vesting, unless deferred, each RSU is settled by the delivery of the underlying shares of Issuer Common Stock or payment of the current cash value of the vested shares, at the discretion of the Issuer. The reporting person timely elected to defer settlement of the RSUs."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"The RSUs vested on September 6, 2016. Upon vesting, unless deferred, each RSU is settled by the delivery of the underlying shares of Issuer Common Stock or payment of the current cash value of the vested shares, at the discretion of the Issuer. 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By their terms, prior to the Merger, each RSU represented a contingent right to one share of Issuer Common Stock.  Each RSU was cancelled and converted into the right to receive an amount in cash, without interest, equal to the Per Share Merger Consideration multiplied by the total number of shares of Issuer Common Stock underlying such RSU, payable within two business days following the Merger, provided that to the extent payment within such time or on such date would trigger a tax or penalty under Section 409A of the Internal Revenue Code, such payments shall be made on the earliest date that payment would not trigger such tax or penalty."},{"field":"date","element":"transactionDate","label":"F1","text":"On November 17, 2017, pursuant to that certain Agreement and Plan of Merger, dated as of August 28, 2017 (the \"Merger Agreement\"), by and among The Advisory Board Company (the \"Issuer\"), OptumInsight, Inc. 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The reporting person timely elected to defer settlement of the RSUs."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The RSUs vested on May 11, 2015. Upon vesting, unless deferred, each RSU is settled by the delivery of the underlying shares of Issuer Common Stock or payment of the current cash value of the vested shares, at the discretion of the Issuer. The reporting person timely elected to defer settlement of the RSUs."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"The RSUs vested on May 11, 2015. Upon vesting, unless deferred, each RSU is settled by the delivery of the underlying shares of Issuer Common Stock or payment of the current cash value of the vested shares, at the discretion of the Issuer. The reporting person timely elected to defer settlement of the RSUs."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":1766},"source":{"system":"sec-edgar","filing":"0001209191-17-062115","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1157377/000120919117062115/doc4.xml","form_type":"4"}},{"id":4154589,"issuer":{"id":171687,"kind":"organization","name":"ADVISORY BOARD CO","symbol":"ABCO"},"owners":[{"id":10663,"kind":"person","name":"Killefer Nancy","position":1,"cik":"0001584637","reported_name":"Killefer Nancy","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2017-11-21T17:02:09.000Z","date":"2017-11-17","kind":"disposition_to_issuer","acquired":false,"shares":2915,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Represents restricted stock units (each, an \"RSU\") that were outstanding immediately prior to the Merger. By their terms, prior to the Merger, each RSU represented a contingent right to one share of Issuer Common Stock.  Each RSU was cancelled and converted into the right to receive an amount in cash, without interest, equal to the Per Share Merger Consideration multiplied by the total number of shares of Issuer Common Stock underlying such RSU, payable within two business days following the Merger, provided that to the extent payment within such time or on such date would trigger a tax or penalty under Section 409A of the Internal Revenue Code, such payments shall be made on the earliest date that payment would not trigger such tax or penalty."},{"field":"date","element":"transactionDate","label":"F1","text":"On November 17, 2017, pursuant to that certain Agreement and Plan of Merger, dated as of August 28, 2017 (the \"Merger Agreement\"), by and among The Advisory Board Company (the \"Issuer\"), OptumInsight, Inc. 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Upon vesting, unless deferred, each RSU is settled by the delivery of the underlying shares of Issuer Common Stock or payment of the current cash value of the vested shares, at the discretion of the Issuer."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The RSUs vest on June 14, 2018. Upon vesting, unless deferred, each RSU is settled by the delivery of the underlying shares of Issuer Common Stock or payment of the current cash value of the vested shares, at the discretion of the Issuer."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The RSUs vest on June 14, 2018. 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(\"Optum\"), a wholly owned subsidiary of UnitedHealth Group Incorporated (\"UnitedHealth\"), and Apollo Merger Sub, Inc., a wholly owned subsidiary of Optum (\"Merger Sub\"), Merger Sub merged with and into the Issuer, with the Issuer surviving as a wholly owned subsidiary of Optum (the \"Merger\"). Immediately preceding the Merger, the Issuer completed the sale of its education business to Avatar Holdco, LLC and EAB Global, Inc. 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Upon vesting, each RSU is settled by the delivery of the underlying shares of common stock or payment of the current cash value of the vested shares, at the discretion of the Company."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The RSUs vested in three equal installments on October 6, 2014; September 6, 2015; and September 6, 2016 which were deferred to September 6, 2016; September 6, 2017; and September 6, 2018. Upon vesting, each RSU is settled by the delivery of the underlying shares of common stock or payment of the current cash value of the vested shares, at the discretion of the Company."}],"balance_after":1766,"derivative":{"underlying":"Common Stock","underlying_shares":1766},"source":{"system":"sec-edgar","filing":"0001209191-17-052054","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1157377/000120919117052054/doc4.xml","form_type":"4"}},{"id":4213735,"issuer":{"id":171687,"kind":"organization","name":"ADVISORY BOARD CO","symbol":"ABCO"},"owners":[{"id":10663,"kind":"person","name":"Killefer Nancy","position":1,"cik":"0001584637","reported_name":"Killefer Nancy","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-09-08T16:35:54.000Z","date":"2017-09-06","kind":"exercise","acquired":true,"shares":1766,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":12856,"source":{"system":"sec-edgar","filing":"0001209191-17-052054","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1157377/000120919117052054/doc4.xml","form_type":"4"}},{"id":4233560,"issuer":{"id":167770,"kind":"organization","name":"CSRA Inc.","symbol":"CSRA"},"owners":[{"id":10663,"kind":"person","name":"Killefer Nancy","position":1,"cik":"0001584637","reported_name":"Killefer Nancy","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-08-15T21:54:12.000Z","date":"2017-08-11","kind":"grant","acquired":true,"shares":6800,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents an award of restricted stock units (RSUs) pursuant to the CSRA 2015 Non-Employee Director Incentive Plan in a transaction exempt under Rule 16b-3. The RSUs will vest and convert into shares of common stock on a one-to-one basis on the earlier of August 11, 2018 and the date of the issuer's next annual meeting of stockholders.  Pursuant to the CSRA Non-Employee Director Deferred Compensation Plan, the reporting person has elected to receive the shares within 30 days of the termination of the reporting person's service on the issuer's board of directors."}],"balance_after":22619,"source":{"system":"sec-edgar","filing":"0001646383-17-000140","document":"wf-form4_150283403821392.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1584637/000164638317000140/wf-form4_150283403821392.xml","form_type":"4"}}],"next_cursor":"2017-08-15T21:54:12.000000Z,4233560"}