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person · Reporting owner

Musslewhite Robert W

Disclosed activity across 4 companies

Tapewire entity
35790
SEC CIK
0001390194

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
CARDINAL HEALTH INCCAH · Entity 3014DirectorNovember 05, 2025November 06, 2025
COSTAR GROUP, INC.CSGP · Entity 3416DirectorJune 23, 2026June 25, 2026
Definitive Healthcare Corp.DH · Entity 1538Director · Chief Executive OfficerJanuary 07, 2024January 09, 2024

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

CARDINAL HEALTH INC

Report date November 05, 2025 · Filed November 06, 2025

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common SharesSEC Table I · non-derivativeDirect2,116 Reported balance After 2025-11-05 transaction · row 1
1 source row

Row 1 · 2025-11-05 · Grant · Acquired 1,067 · Balance 2,116

F1: Grant of restricted share units that will vest on November 5, 2026, except if the 2026 Annual Meeting of Shareholders is prior to November 5, 2026, then the restricted share units will vest on the date of the 2026 Annual Meeting of Shareholders.

Filing footnotes · ownership attribution and instrument terms

F1: Grant of restricted share units that will vest on November 5, 2026, except if the 2026 Annual Meeting of Shareholders is prior to November 5, 2026, then the restricted share units will vest on the date of the 2026 Annual Meeting of Shareholders.

COSTAR GROUP, INC.

Report date June 23, 2026 · Filed June 25, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common Stock, par value $0.01 per shareSEC Table I · non-derivativeDirect26,539 Reported balance After 2026-06-23 transaction · row 1
1 source row

Row 1 · 2026-06-23 · Grant · Acquired 8,262 · Balance 26,539

F1: The restricted stock award vests in full on the earlier of either the first anniversary of the grant date or the date of the Company's 2027 Annual Meeting of Stockholders.

Filing footnotes · ownership attribution and instrument terms

F1: The restricted stock award vests in full on the earlier of either the first anniversary of the grant date or the date of the Company's 2027 Annual Meeting of Stockholders.

Definitive Healthcare Corp.

Report date January 07, 2024 · Filed January 09, 2024

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Class A Common StockSEC Table I · non-derivativeDirect1,201,638 Reported balance After 2024-01-07 transaction · row 1
1 source row

Row 1 · 2024-01-07 · Tax withholding · Disposed 14,207 · Balance 1,201,638

F1: The transaction reported represents the withholding of shares by the issuer to satisfy the reporting person's tax withholding obligations in connection with the vesting and settlement of previously reported restricted stock units.

Filing footnotes · ownership attribution and instrument terms

F1: The transaction reported represents the withholding of shares by the issuer to satisfy the reporting person's tax withholding obligations in connection with the vesting and settlement of previously reported restricted stock units.

Past disclosures · reporting ended (1)

No longer tracked through insider filings. These historical balances do not imply present ownership or a zero position.

ADVISORY BOARD CO

Report date November 17, 2017 · Filed November 21, 2017

Section 16 reporting ended · disclosed 2017-11-21. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect0 Reported balance After 2017-11-17 transaction · row 1
1 source row

Row 1 · 2017-11-17 · Disposition to issuer · Disposed 19,929 · Balance 0

F1: 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.

F2: Disposed of pursuant to the Merger Agreement and by virtue of the Merger, in which each share of the Issuer's common stock, par value $0.01 per share ("Issuer Common Stock"), issued and outstanding immediately prior to the completion of the Merger was converted into the right to receive $53.81 in cash, without interest (the "Per Share Merger Consideration"), consisting of (i) $52.65 in cash, plus (ii) an additional amount in cash equal to $1.16, calculated in accordance with the Merger Agreement based on the per-share, after-tax value of the Issuer's equity interests in Evolent Health, Inc. Pursuant to the Merger Agreement and by virtue of the Merger, each share of common stock of Merger Sub outstanding immediately prior to the Merger was converted into one share of Issuer Common Stock, as the surviving corporation in the Merger, and constitutes the only outstanding shares of the Issuer.

Common StockSEC Table I · non-derivativeIndirectBy Trusts0 Reported balance After 2017-11-17 transaction · row 2 Account identity is unresolved; indirect or unspecified ownership is not merged.
1 source row

Row 2 · 2017-11-17 · Disposition to issuer · Disposed 193,801 · Balance 0

F1: 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.

F2: Disposed of pursuant to the Merger Agreement and by virtue of the Merger, in which each share of the Issuer's common stock, par value $0.01 per share ("Issuer Common Stock"), issued and outstanding immediately prior to the completion of the Merger was converted into the right to receive $53.81 in cash, without interest (the "Per Share Merger Consideration"), consisting of (i) $52.65 in cash, plus (ii) an additional amount in cash equal to $1.16, calculated in accordance with the Merger Agreement based on the per-share, after-tax value of the Issuer's equity interests in Evolent Health, Inc. Pursuant to the Merger Agreement and by virtue of the Merger, each share of common stock of Merger Sub outstanding immediately prior to the Merger was converted into one share of Issuer Common Stock, as the surviving corporation in the Merger, and constitutes the only outstanding shares of the Issuer.

Common StockSEC Table I · non-derivativeIndirectBy Trusts0 Reported balance After 2017-11-17 transaction · row 3 Account identity is unresolved; indirect or unspecified ownership is not merged.
1 source row

Row 3 · 2017-11-17 · Disposition to issuer · Disposed 44,220 · Balance 0

F1: 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.

F2: Disposed of pursuant to the Merger Agreement and by virtue of the Merger, in which each share of the Issuer's common stock, par value $0.01 per share ("Issuer Common Stock"), issued and outstanding immediately prior to the completion of the Merger was converted into the right to receive $53.81 in cash, without interest (the "Per Share Merger Consideration"), consisting of (i) $52.65 in cash, plus (ii) an additional amount in cash equal to $1.16, calculated in accordance with the Merger Agreement based on the per-share, after-tax value of the Issuer's equity interests in Evolent Health, Inc. Pursuant to the Merger Agreement and by virtue of the Merger, each share of common stock of Merger Sub outstanding immediately prior to the Merger was converted into one share of Issuer Common Stock, as the surviving corporation in the Merger, and constitutes the only outstanding shares of the Issuer.

Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect0 Reported balance After 2017-11-17 transaction · row 4 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 4 · 2017-11-17 · Disposition to issuer · Disposed 6,848 · Balance 0

F3: 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 assumed and converted into an equivalent UnitedHealth award denominated in shares of UnitedHealth common stock, on the same terms and conditions as were applicable immediately prior to the Merger, equal to the product of (i) the total number of shares of Issuer Common Stock subject to such awards, multiplied by (ii) 0.254270199, which represents the quotient obtained by dividing (A) the Per-Share Merger Consideration by (B) volume weighted average closing sale price of UnitedHealth common stock for the five full trading days ending on and including the third business day prior to the Merger (the "Equity Award Conversion Ratio"), with any fractional shares rounded down to the next lower whole number of shares.

F1: 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.

F4: The RSUs vest in four equal installments on May 11, 2015; April 11, 2016; April 11, 2017; and April 11, 2018, unless deferred. 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 Issuer.

Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect0 Reported balance After 2017-11-17 transaction · row 5 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 5 · 2017-11-17 · Disposition to issuer · Disposed 14,552 · Balance 0

F3: 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 assumed and converted into an equivalent UnitedHealth award denominated in shares of UnitedHealth common stock, on the same terms and conditions as were applicable immediately prior to the Merger, equal to the product of (i) the total number of shares of Issuer Common Stock subject to such awards, multiplied by (ii) 0.254270199, which represents the quotient obtained by dividing (A) the Per-Share Merger Consideration by (B) volume weighted average closing sale price of UnitedHealth common stock for the five full trading days ending on and including the third business day prior to the Merger (the "Equity Award Conversion Ratio"), with any fractional shares rounded down to the next lower whole number of shares.

F1: 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.

F5: The RSUs vest in four equal installments on May 10, 2016; April 10, 2017; April 10, 2018; and April 10, 2019, unless deferred. 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 Issuer.

Non-LTIP OptionsSEC Table II · derivative / convertible security · Conversion / exercise price $24.23 · Expires 2018-04-15Direct0 Reported balance After 2017-11-17 transaction · row 6 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 6 · 2017-11-17 · Disposition to issuer · Disposed 44,220 · Balance 0

F1: 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.

F6: Each "Non-LTIP Option," which represents a non-qualified stock option other than an LTIP Option (as defined below) that is outstanding immediately prior to the Merger, whether vested or unvested, was assumed and converted into a non-qualified stock option to purchase a number of shares of UnitedHealth common stock, on the same terms and conditions as were applicable immediately prior to the Merger (except that any performance-based vesting conditions applicable to such option no longer apply), equal to the product of (i) the total number of shares of Issuer Common Stock subject to such option, multiplied by (ii) the Equity Award Conversion Ratio, with any fractional shares rounded down to the next lower whole number of shares. The exercise price per share of such option will be equal to the quotient obtained by dividing (A) the Per Share Merger Consideration by (B) the Equity Award Conversion Ratio, with any fractional cents rounded up to the next higher number of whole cents.

Non-LTIP OptionsSEC Table II · derivative / convertible security · Conversion / exercise price $43.83 · Expires 2019-04-17Direct0 Reported balance After 2017-11-17 transaction · row 7 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 7 · 2017-11-17 · Disposition to issuer · Disposed 37,708 · Balance 0

F1: 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.

F6: Each "Non-LTIP Option," which represents a non-qualified stock option other than an LTIP Option (as defined below) that is outstanding immediately prior to the Merger, whether vested or unvested, was assumed and converted into a non-qualified stock option to purchase a number of shares of UnitedHealth common stock, on the same terms and conditions as were applicable immediately prior to the Merger (except that any performance-based vesting conditions applicable to such option no longer apply), equal to the product of (i) the total number of shares of Issuer Common Stock subject to such option, multiplied by (ii) the Equity Award Conversion Ratio, with any fractional shares rounded down to the next lower whole number of shares. The exercise price per share of such option will be equal to the quotient obtained by dividing (A) the Per Share Merger Consideration by (B) the Equity Award Conversion Ratio, with any fractional cents rounded up to the next higher number of whole cents.

Non-LTIP OptionsSEC Table II · derivative / convertible security · Conversion / exercise price $47.87 · Expires 2018-04-18Direct0 Reported balance After 2017-11-17 transaction · row 8 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 8 · 2017-11-17 · Disposition to issuer · Disposed 46,508 · Balance 0

F1: 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.

F6: Each "Non-LTIP Option," which represents a non-qualified stock option other than an LTIP Option (as defined below) that is outstanding immediately prior to the Merger, whether vested or unvested, was assumed and converted into a non-qualified stock option to purchase a number of shares of UnitedHealth common stock, on the same terms and conditions as were applicable immediately prior to the Merger (except that any performance-based vesting conditions applicable to such option no longer apply), equal to the product of (i) the total number of shares of Issuer Common Stock subject to such option, multiplied by (ii) the Equity Award Conversion Ratio, with any fractional shares rounded down to the next lower whole number of shares. The exercise price per share of such option will be equal to the quotient obtained by dividing (A) the Per Share Merger Consideration by (B) the Equity Award Conversion Ratio, with any fractional cents rounded up to the next higher number of whole cents.

Non-LTIP OptionsSEC Table II · derivative / convertible security · Conversion / exercise price $47.87 · Expires 2020-04-18Direct0 Reported balance After 2017-11-17 transaction · row 9 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 9 · 2017-11-17 · Disposition to issuer · Disposed 46,508 · Balance 0

F1: 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.

F6: Each "Non-LTIP Option," which represents a non-qualified stock option other than an LTIP Option (as defined below) that is outstanding immediately prior to the Merger, whether vested or unvested, was assumed and converted into a non-qualified stock option to purchase a number of shares of UnitedHealth common stock, on the same terms and conditions as were applicable immediately prior to the Merger (except that any performance-based vesting conditions applicable to such option no longer apply), equal to the product of (i) the total number of shares of Issuer Common Stock subject to such option, multiplied by (ii) the Equity Award Conversion Ratio, with any fractional shares rounded down to the next lower whole number of shares. The exercise price per share of such option will be equal to the quotient obtained by dividing (A) the Per Share Merger Consideration by (B) the Equity Award Conversion Ratio, with any fractional cents rounded up to the next higher number of whole cents.

F7: The options to purchase the Issuer Common Stock become exercisable in two equal annual installments beginning on April 18, 2016.

Non-LTIP OptionsSEC Table II · derivative / convertible security · Conversion / exercise price $57.83 · Expires 2021-04-11Direct0 Reported balance After 2017-11-17 transaction · row 10 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 10 · 2017-11-17 · Disposition to issuer · Disposed 57,612 · Balance 0

F1: 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.

F6: Each "Non-LTIP Option," which represents a non-qualified stock option other than an LTIP Option (as defined below) that is outstanding immediately prior to the Merger, whether vested or unvested, was assumed and converted into a non-qualified stock option to purchase a number of shares of UnitedHealth common stock, on the same terms and conditions as were applicable immediately prior to the Merger (except that any performance-based vesting conditions applicable to such option no longer apply), equal to the product of (i) the total number of shares of Issuer Common Stock subject to such option, multiplied by (ii) the Equity Award Conversion Ratio, with any fractional shares rounded down to the next lower whole number of shares. The exercise price per share of such option will be equal to the quotient obtained by dividing (A) the Per Share Merger Consideration by (B) the Equity Award Conversion Ratio, with any fractional cents rounded up to the next higher number of whole cents.

F8: The options to purchase the Issuer Common Stock become exercisable in four equal annual installments beginning on April 11, 2015.

Non-LTIP OptionsSEC Table II · derivative / convertible security · Conversion / exercise price $53.42 · Expires 2022-04-10Direct0 Reported balance After 2017-11-17 transaction · row 11 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 11 · 2017-11-17 · Disposition to issuer · Disposed 85,224 · Balance 0

F1: 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.

F6: Each "Non-LTIP Option," which represents a non-qualified stock option other than an LTIP Option (as defined below) that is outstanding immediately prior to the Merger, whether vested or unvested, was assumed and converted into a non-qualified stock option to purchase a number of shares of UnitedHealth common stock, on the same terms and conditions as were applicable immediately prior to the Merger (except that any performance-based vesting conditions applicable to such option no longer apply), equal to the product of (i) the total number of shares of Issuer Common Stock subject to such option, multiplied by (ii) the Equity Award Conversion Ratio, with any fractional shares rounded down to the next lower whole number of shares. The exercise price per share of such option will be equal to the quotient obtained by dividing (A) the Per Share Merger Consideration by (B) the Equity Award Conversion Ratio, with any fractional cents rounded up to the next higher number of whole cents.

F9: The options to purchase the Issuer Common Stock become exercisable in four equal annual installments beginning on April 10, 2016.

Non-LTIP OptionsSEC Table II · derivative / convertible security · Conversion / exercise price $28.20 · Expires 2023-03-02Direct0 Reported balance After 2017-11-17 transaction · row 12 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 12 · 2017-11-17 · Disposition to issuer · Disposed 139,900 · Balance 0

F1: 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.

F6: Each "Non-LTIP Option," which represents a non-qualified stock option other than an LTIP Option (as defined below) that is outstanding immediately prior to the Merger, whether vested or unvested, was assumed and converted into a non-qualified stock option to purchase a number of shares of UnitedHealth common stock, on the same terms and conditions as were applicable immediately prior to the Merger (except that any performance-based vesting conditions applicable to such option no longer apply), equal to the product of (i) the total number of shares of Issuer Common Stock subject to such option, multiplied by (ii) the Equity Award Conversion Ratio, with any fractional shares rounded down to the next lower whole number of shares. The exercise price per share of such option will be equal to the quotient obtained by dividing (A) the Per Share Merger Consideration by (B) the Equity Award Conversion Ratio, with any fractional cents rounded up to the next higher number of whole cents.

Non-LTIP OptionsSEC Table II · derivative / convertible security · Conversion / exercise price $28.20 · Expires 2023-03-02Direct0 Reported balance After 2017-11-17 transaction · row 13 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 13 · 2017-11-17 · Disposition to issuer · Disposed 152,552 · Balance 0

F1: 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.

F6: Each "Non-LTIP Option," which represents a non-qualified stock option other than an LTIP Option (as defined below) that is outstanding immediately prior to the Merger, whether vested or unvested, was assumed and converted into a non-qualified stock option to purchase a number of shares of UnitedHealth common stock, on the same terms and conditions as were applicable immediately prior to the Merger (except that any performance-based vesting conditions applicable to such option no longer apply), equal to the product of (i) the total number of shares of Issuer Common Stock subject to such option, multiplied by (ii) the Equity Award Conversion Ratio, with any fractional shares rounded down to the next lower whole number of shares. The exercise price per share of such option will be equal to the quotient obtained by dividing (A) the Per Share Merger Consideration by (B) the Equity Award Conversion Ratio, with any fractional cents rounded up to the next higher number of whole cents.

F10: The options to purchase the Issuer Common Stock become exercisable in four equal annual installments beginning on March 2, 2017.

Non-LTIP OptionsSEC Table II · derivative / convertible security · Conversion / exercise price $46.95 · Expires 2024-03-28Direct0 Reported balance After 2017-11-17 transaction · row 14 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 14 · 2017-11-17 · Disposition to issuer · Disposed 57,752 · Balance 0

F1: 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.

F6: Each "Non-LTIP Option," which represents a non-qualified stock option other than an LTIP Option (as defined below) that is outstanding immediately prior to the Merger, whether vested or unvested, was assumed and converted into a non-qualified stock option to purchase a number of shares of UnitedHealth common stock, on the same terms and conditions as were applicable immediately prior to the Merger (except that any performance-based vesting conditions applicable to such option no longer apply), equal to the product of (i) the total number of shares of Issuer Common Stock subject to such option, multiplied by (ii) the Equity Award Conversion Ratio, with any fractional shares rounded down to the next lower whole number of shares. The exercise price per share of such option will be equal to the quotient obtained by dividing (A) the Per Share Merger Consideration by (B) the Equity Award Conversion Ratio, with any fractional cents rounded up to the next higher number of whole cents.

F11: The options to purchase the Issuer Common Stock become exercisable in four equal annual installments beginning on April 1, 2018.

LTIP OptionsSEC Table II · derivative / convertible security · Conversion / exercise price $51.43 · Expires 2021-06-23Direct0 Reported balance After 2017-11-17 transaction · row 15 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 15 · 2017-11-17 · Disposition to issuer · Disposed 353,892 · Balance 0

F1: 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.

F13: Each "LTIP Option," which represents a non-qualified stock option granted pursuant to the 2014 supplemental long-term incentive program that is not vested in accordance with its terms and outstanding immediately prior to the Merger, was assumed and converted into an option to purchase a number of shares of UnitedHealth common stock, on the same terms and conditions as were applicable immediately prior to the Merger, equal to the product of (i) the total number of shares of Issuer Common Stock subject to such option, multiplied by (ii) the Equity Award Conversion Ratio, with any fractional shares rounded down to the next lower whole number of shares, and with performance-vesting conditions equitably adjusted pursuant to the Merger Agreement to reflect the Merger. (continued in footnote 14)

F14: The exercise price per share of such option will be equal to the quotient obtained by dividing (A) the Merger Consideration by (B) the Equity Award Conversion Ratio, with any fractional cents rounded up to the next higher number of whole cents.

F12: Stock options vest if performance conditions are met under the special long-term incentive program as described in the Issuer's Definitive Proxy Statement filed April 21, 2017.

Filing footnotes · ownership attribution and instrument terms

F1: 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.

F2: Disposed of pursuant to the Merger Agreement and by virtue of the Merger, in which each share of the Issuer's common stock, par value $0.01 per share ("Issuer Common Stock"), issued and outstanding immediately prior to the completion of the Merger was converted into the right to receive $53.81 in cash, without interest (the "Per Share Merger Consideration"), consisting of (i) $52.65 in cash, plus (ii) an additional amount in cash equal to $1.16, calculated in accordance with the Merger Agreement based on the per-share, after-tax value of the Issuer's equity interests in Evolent Health, Inc. Pursuant to the Merger Agreement and by virtue of the Merger, each share of common stock of Merger Sub outstanding immediately prior to the Merger was converted into one share of Issuer Common Stock, as the surviving corporation in the Merger, and constitutes the only outstanding shares of the Issuer.

F3: 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 assumed and converted into an equivalent UnitedHealth award denominated in shares of UnitedHealth common stock, on the same terms and conditions as were applicable immediately prior to the Merger, equal to the product of (i) the total number of shares of Issuer Common Stock subject to such awards, multiplied by (ii) 0.254270199, which represents the quotient obtained by dividing (A) the Per-Share Merger Consideration by (B) volume weighted average closing sale price of UnitedHealth common stock for the five full trading days ending on and including the third business day prior to the Merger (the "Equity Award Conversion Ratio"), with any fractional shares rounded down to the next lower whole number of shares.

F4: The RSUs vest in four equal installments on May 11, 2015; April 11, 2016; April 11, 2017; and April 11, 2018, unless deferred. 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 Issuer.

F5: The RSUs vest in four equal installments on May 10, 2016; April 10, 2017; April 10, 2018; and April 10, 2019, unless deferred. 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 Issuer.

F6: Each "Non-LTIP Option," which represents a non-qualified stock option other than an LTIP Option (as defined below) that is outstanding immediately prior to the Merger, whether vested or unvested, was assumed and converted into a non-qualified stock option to purchase a number of shares of UnitedHealth common stock, on the same terms and conditions as were applicable immediately prior to the Merger (except that any performance-based vesting conditions applicable to such option no longer apply), equal to the product of (i) the total number of shares of Issuer Common Stock subject to such option, multiplied by (ii) the Equity Award Conversion Ratio, with any fractional shares rounded down to the next lower whole number of shares. The exercise price per share of such option will be equal to the quotient obtained by dividing (A) the Per Share Merger Consideration by (B) the Equity Award Conversion Ratio, with any fractional cents rounded up to the next higher number of whole cents.

F7: The options to purchase the Issuer Common Stock become exercisable in two equal annual installments beginning on April 18, 2016.

F8: The options to purchase the Issuer Common Stock become exercisable in four equal annual installments beginning on April 11, 2015.

F9: The options to purchase the Issuer Common Stock become exercisable in four equal annual installments beginning on April 10, 2016.

F10: The options to purchase the Issuer Common Stock become exercisable in four equal annual installments beginning on March 2, 2017.

F11: The options to purchase the Issuer Common Stock become exercisable in four equal annual installments beginning on April 1, 2018.

F12: Stock options vest if performance conditions are met under the special long-term incentive program as described in the Issuer's Definitive Proxy Statement filed April 21, 2017.

F13: Each "LTIP Option," which represents a non-qualified stock option granted pursuant to the 2014 supplemental long-term incentive program that is not vested in accordance with its terms and outstanding immediately prior to the Merger, was assumed and converted into an option to purchase a number of shares of UnitedHealth common stock, on the same terms and conditions as were applicable immediately prior to the Merger, equal to the product of (i) the total number of shares of Issuer Common Stock subject to such option, multiplied by (ii) the Equity Award Conversion Ratio, with any fractional shares rounded down to the next lower whole number of shares, and with performance-vesting conditions equitably adjusted pursuant to the Merger Agreement to reflect the Merger. (continued in footnote 14)

F14: The exercise price per share of such option will be equal to the quotient obtained by dividing (A) the Merger Consideration by (B) the Equity Award Conversion Ratio, with any fractional cents rounded up to the next higher number of whole cents.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
April 10, 2017 Filed Apr 12, 2017 21:33 UTC ADVISORY BOARD CO ABCO · Entity 171687 Tax withholdingCommon Stock 35,853 $47.50 $1,703,017.50
Disclosure

SEC source: 0001209191-17-026765 · doc4.xml · nonDerivative · entry 4

Musslewhite Robert W · CIK 0001390194 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 261,866

F1 · acquired: Represents a "net exercise" of outstanding stock options. These shares were withheld by the Company for payment of the exercise price and applicable taxes, based on the market price of the Company's common stock at the time of the option exercise on April 10, 2017 of $47.50

Read SEC document
April 10, 2017 Filed Apr 12, 2017 21:33 UTC ADVISORY BOARD CO ABCO · Entity 171687 Exercise / conversionCommon Stock 37,708 $43.83 $1,652,741.64
Disclosure

SEC source: 0001209191-17-026765 · doc4.xml · nonDerivative · entry 3

Musslewhite Robert W · CIK 0001390194 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 297,719

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
April 10, 2017 Filed Apr 12, 2017 21:33 UTC ADVISORY BOARD CO ABCO · Entity 171687 Tax withholdingCommon Stock 2,576 $47.50 $122,360.00
Disclosure

SEC source: 0001209191-17-026765 · doc4.xml · nonDerivative · entry 2

Musslewhite Robert W · CIK 0001390194 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 260,011

Read SEC document
April 10, 2017 Filed Apr 12, 2017 21:33 UTC ADVISORY BOARD CO ABCO · Entity 171687 Exercise / conversionCommon Stock 7,276 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-026765 · doc4.xml · nonDerivative · entry 1

Musslewhite Robert W · CIK 0001390194 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 262,587

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
April 10, 2017 Filed Nov 21, 2017 16:59 UTC Amendment ADVISORY BOARD CO ABCO · Entity 171687 Tax withholdingCommon Stock 2,839 $47.50 $134,852.50
Disclosure

SEC source: 0001209191-17-062107 · doc4a.xml · nonDerivative · entry 1

Musslewhite Robert W · CIK 0001390194 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 259,748

F1 · shares: The original Form 4 incorrectly reported a disposition of 2,576 shares withheld to cover taxes, which was been corrected to show a disposition of 2,839 shares.

F2 · balance_after: The original Form 4 incorrectly reported 260,011 shares, which was been corrected to 259,478 shares beneficially owned following the reported transactions.

Read SEC document
March 28, 2017 Filed Mar 30, 2017 21:52 UTC ADVISORY BOARD CO ABCO · Entity 171687 GrantCommon Stock Options · Derivative 57,750 $0.00 Strike: $46.95 $0.00
Disclosure

SEC source: 0001209191-17-023769 · doc4.xml · derivative · entry 1

Musslewhite Robert W · CIK 0001390194 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,750

Underlying: Common Stock · 57,750 shares

Expires 2024-03-28

F1 · derivative.exercise_date: The options to purchase the Company's common stock become exercisable in four equal annual installments beginning on April 1, 2018.

Read SEC document
February 13, 2017 Filed Feb 15, 2017 17:06 UTC ADVISORY BOARD CO ABCO · Entity 171687 Exercise / conversionCommon Stock Options · Derivative 5,500 $0.00 Strike: $16.58 $0.00
Disclosure

SEC source: 0001209191-17-011144 · doc4.xml · derivative · entry 3

Musslewhite Robert W · CIK 0001390194 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 11,000

Underlying: Common Stock · 5,500 shares

Expires 2017-04-27

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3 · derivative.exercise_date: The options to purchase the Company's common stock became exercisable in in two equal annual installments beginning April 27, 2013.

Read SEC document
February 13, 2017 Filed Feb 15, 2017 17:06 UTC ADVISORY BOARD CO ABCO · Entity 171687 SaleCommon Stock 5,500 $47.24 $259,820.00
Disclosure

SEC source: 0001209191-17-011144 · doc4.xml · nonDerivative · entry 2

Musslewhite Robert W · CIK 0001390194 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 255,311

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: These shares were sold in multiple transactions at prices ranging from $47.00 to $47.50. The price reported in Column 4 reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range at which the transaction was effected.

Read SEC document
February 13, 2017 Filed Feb 15, 2017 17:06 UTC ADVISORY BOARD CO ABCO · Entity 171687 Exercise / conversionCommon Stock 5,500 $16.58 $91,190.00
Disclosure

SEC source: 0001209191-17-011144 · doc4.xml · nonDerivative · entry 1

Musslewhite Robert W · CIK 0001390194 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 260,811

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

Read SEC document
January 09, 2017 Filed Jan 11, 2017 17:02 UTC ADVISORY BOARD CO ABCO · Entity 171687 Exercise / conversionCommon Stock Options · Derivative 5,500 $0.00 Strike: $16.58 $0.00
Disclosure

SEC source: 0001209191-17-003412 · doc4.xml · derivative · entry 3

Musslewhite Robert W · CIK 0001390194 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 16,500

Underlying: Common Stock · 5,500 shares

Expires 2017-04-27

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3 · derivative.exercise_date: The options to purchase the Company's common stock became exercisable in in two equal annual installments beginning April 27, 2013.

Read SEC document
January 09, 2017 Filed Jan 11, 2017 17:02 UTC ADVISORY BOARD CO ABCO · Entity 171687 SaleCommon Stock 5,500 $35.76 $196,680.00
Disclosure

SEC source: 0001209191-17-003412 · doc4.xml · nonDerivative · entry 2

Musslewhite Robert W · CIK 0001390194 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 255,311

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: These shares were sold in multiple transactions at prices ranging from $35.45 to $36.35. The price reported in Column 4 reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range at which the transaction was effected.

Read SEC document
January 09, 2017 Filed Jan 11, 2017 17:02 UTC ADVISORY BOARD CO ABCO · Entity 171687 Exercise / conversionCommon Stock 5,500 $16.58 $91,190.00
Disclosure

SEC source: 0001209191-17-003412 · doc4.xml · nonDerivative · entry 1

Musslewhite Robert W · CIK 0001390194 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 260,811

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

Read SEC document
December 12, 2016 Filed Dec 14, 2016 19:24 UTC ADVISORY BOARD CO ABCO · Entity 171687 Exercise / conversionCommon Stock Options · Derivative 1,727 $0.00 Strike: $16.58 $0.00
Disclosure

SEC source: 0001209191-16-155261 · doc4.xml · derivative · entry 6

Musslewhite Robert W · CIK 0001390194 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 22,000

Underlying: Common Stock · 1,727 shares

Expires 2017-04-27

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F4 · derivative.exercise_date: The options to purchase the Company's common stock became exercisable in in two equal annual installments beginning April 27, 2013.

Read SEC document
December 12, 2016 Filed Dec 14, 2016 19:24 UTC ADVISORY BOARD CO ABCO · Entity 171687 Exercise / conversionCommon Stock Options · Derivative 3,773 $0.00 Strike: $16.58 $0.00
Disclosure

SEC source: 0001209191-16-155261 · doc4.xml · derivative · entry 5

Musslewhite Robert W · CIK 0001390194 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 23,727

Underlying: Common Stock · 3,773 shares

Expires 2017-04-27

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F4 · derivative.exercise_date: The options to purchase the Company's common stock became exercisable in in two equal annual installments beginning April 27, 2013.

Read SEC document
December 12, 2016 Filed Dec 14, 2016 19:24 UTC ADVISORY BOARD CO ABCO · Entity 171687 SaleCommon Stock 1,727 $33.79 $58,355.33
Disclosure

SEC source: 0001209191-16-155261 · doc4.xml · nonDerivative · entry 4

Musslewhite Robert W · CIK 0001390194 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 255,311

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3 · price: These shares were sold in multiple transactions at prices ranging from $33.45 to $34.05. The price reported in Column 4 reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range at which the transaction was effected.

Read SEC document
December 12, 2016 Filed Dec 14, 2016 19:24 UTC ADVISORY BOARD CO ABCO · Entity 171687 Exercise / conversionCommon Stock 1,727 $16.58 $28,633.66
Disclosure

SEC source: 0001209191-16-155261 · doc4.xml · nonDerivative · entry 3

Musslewhite Robert W · CIK 0001390194 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 257,038

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

Read SEC document
December 12, 2016 Filed Dec 14, 2016 19:24 UTC ADVISORY BOARD CO ABCO · Entity 171687 SaleCommon Stock 3,773 $33.91 $127,942.43
Disclosure

SEC source: 0001209191-16-155261 · doc4.xml · nonDerivative · entry 2

Musslewhite Robert W · CIK 0001390194 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 255,311

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: These shares were sold in multiple transactions at prices ranging from $33.40 to $34.15. The price reported in Column 4 reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range at which the transaction was effected.

Read SEC document
December 12, 2016 Filed Dec 14, 2016 19:24 UTC ADVISORY BOARD CO ABCO · Entity 171687 Exercise / conversionCommon Stock 3,773 $16.58 $62,556.34
Disclosure

SEC source: 0001209191-16-155261 · doc4.xml · nonDerivative · entry 1

Musslewhite Robert W · CIK 0001390194 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 259,084

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

Read SEC document
November 14, 2016 Filed Nov 16, 2016 12:57 UTC ADVISORY BOARD CO ABCO · Entity 171687 Exercise / conversionCommon Stock Options · Derivative 5,500 $0.00 Strike: $16.58 $0.00
Disclosure

SEC source: 0001209191-16-150421 · doc4.xml · derivative · entry 3

Musslewhite Robert W · CIK 0001390194 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 27,500

Underlying: Common Stock · 5,500 shares

Expires 2017-04-27

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3 · derivative.exercise_date: The options to purchase the Company's common stock became exercisable in two equal annual installments beginning on April 27, 2013.

Read SEC document
November 14, 2016 Filed Nov 16, 2016 12:57 UTC ADVISORY BOARD CO ABCO · Entity 171687 SaleCommon Stock 5,500 $32.88 $180,840.00
Disclosure

SEC source: 0001209191-16-150421 · doc4.xml · nonDerivative · entry 2

Musslewhite Robert W · CIK 0001390194 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 255,311

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: These shares were sold in multiple transactions at prices ranging from $32.65 to $33.50. The price reported in Column 4 reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range at which the transaction was effected.

Read SEC document
November 14, 2016 Filed Nov 16, 2016 12:57 UTC ADVISORY BOARD CO ABCO · Entity 171687 Exercise / conversionCommon Stock 5,500 $16.58 $91,190.00
Disclosure

SEC source: 0001209191-16-150421 · doc4.xml · nonDerivative · entry 1

Musslewhite Robert W · CIK 0001390194 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 260,811

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

Read SEC document
October 10, 2016 Filed Oct 12, 2016 17:04 UTC ADVISORY BOARD CO ABCO · Entity 171687 Exercise / conversionCommon Stock Options · Derivative 5,500 $0.00 Strike: $16.58 $0.00
Disclosure

SEC source: 0001209191-16-145711 · doc4.xml · derivative · entry 3

Musslewhite Robert W · CIK 0001390194 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 33,000

Underlying: Common Stock · 5,500 shares

Expires 2017-04-27

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3 · derivative.exercise_date: The options to purchase the Company's common stock become exercisable in two equal annual installments on April 27, 2013.

Read SEC document
October 10, 2016 Filed Oct 12, 2016 17:04 UTC ADVISORY BOARD CO ABCO · Entity 171687 SaleCommon Stock 5,500 $43.89 $241,395.00
Disclosure

SEC source: 0001209191-16-145711 · doc4.xml · nonDerivative · entry 2

Musslewhite Robert W · CIK 0001390194 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 255,311

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: These shares were sold in multiple transactions at prices ranging from $43.74 to $44.04. The price reported in Column 4 reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range at which the transaction was effected.

Read SEC document
October 10, 2016 Filed Oct 12, 2016 17:04 UTC ADVISORY BOARD CO ABCO · Entity 171687 Exercise / conversionCommon Stock 5,500 $16.58 $91,190.00
Disclosure

SEC source: 0001209191-16-145711 · doc4.xml · nonDerivative · entry 1

Musslewhite Robert W · CIK 0001390194 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 260,811

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

Read SEC document
September 12, 2016 Filed Sep 14, 2016 16:41 UTC ADVISORY BOARD CO ABCO · Entity 171687 Exercise / conversionCommon Stock Options · Derivative 5,500 $0.00 Strike: $16.58 $0.00
Disclosure

SEC source: 0001209191-16-141422 · doc4.xml · derivative · entry 3

Musslewhite Robert W · CIK 0001390194 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 38,500

Underlying: Common Stock · 5,500 shares

Expires 2017-04-27

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3 · derivative.exercise_date: The options to purchase the Company's common stock became exercisable in two equal annual installments beginning on April 27, 2013.

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September 12, 2016 Filed Sep 14, 2016 16:41 UTC ADVISORY BOARD CO ABCO · Entity 171687 SaleCommon Stock 5,500 $43.09 $236,995.00
Disclosure

SEC source: 0001209191-16-141422 · doc4.xml · nonDerivative · entry 2

Musslewhite Robert W · CIK 0001390194 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 255,311

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: These shares were sold in multiple transactions at prices ranging from $42.72 to $43.45. The price reported in Column 4 reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range at which the transaction was effected.

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September 12, 2016 Filed Sep 14, 2016 16:41 UTC ADVISORY BOARD CO ABCO · Entity 171687 Exercise / conversionCommon Stock 5,500 $16.58 $91,190.00
Disclosure

SEC source: 0001209191-16-141422 · doc4.xml · nonDerivative · entry 1

Musslewhite Robert W · CIK 0001390194 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 260,811

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.