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Linnington Matthew

Disclosed activity across 1 company

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147244
SEC CIK
0001609822

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
COSTAR GROUP, INC.CSGP · Entity 3416Executive VP, SalesAugust 12, 2020August 13, 2020

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.

COSTAR GROUP, INC.

Report date August 12, 2020 · Filed August 13, 2020

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common Stock, par value $0.01 per shareSEC Table I · non-derivativeDirect19,766 Reported balance After 2020-08-12 transaction · row 1 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 1 · 2020-08-12 · Sale · Disposed 2,419 · Balance 19,766

F1: Average based on sales prices ranging from $826.22 to $826.61.

F2: Represents all shares of Common Stock owned, consisting of 7,972 shares of Common Stock and 11,794 shares of Common Stock subject to unvested Restricted Stock grants.

Filing footnotes · ownership attribution and instrument terms

F1: Average based on sales prices ranging from $826.22 to $826.61.

F2: Represents all shares of Common Stock owned, consisting of 7,972 shares of Common Stock and 11,794 shares of Common Stock subject to unvested Restricted Stock grants.

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
August 12, 2020 Filed Aug 13, 2020 20:31 UTC COSTAR GROUP, INC. CSGP · Entity 3416 SaleCommon Stock, par value $0.01 per share 2,419 $826.32 $1,998,868.08
Disclosure

SEC source: 0001057352-20-000097 · wf-form4_159735063574996.xml · nonDerivative · entry 1

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,766

F1 · price: Average based on sales prices ranging from $826.22 to $826.61.

F2 · balance_after: Represents all shares of Common Stock owned, consisting of 7,972 shares of Common Stock and 11,794 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
March 31, 2020 Filed Apr 2, 2020 22:12 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Tax withholdingCommon Stock, par value $0.01 per share 1,051 $599.99 $630,589.49
Disclosure

SEC source: 0001057352-20-000060 · wf-form4_158586553215371.xml · nonDerivative · entry 1

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,185

F1 · balance_after: Represents all shares of Common Stock owned, consisting of 10,391 shares of Common Stock and 11,794 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
March 02, 2020 Filed Mar 4, 2020 00:18 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Tax withholdingCommon Stock, par value $0.01 per share 1,957 $667.59 $1,306,473.63
Disclosure

SEC source: 0001057352-20-000042 · wf-form4_158328111907135.xml · nonDerivative · entry 2

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,236

F2 · balance_after: Represents all shares of Common Stock owned, consisting of 9,375 shares of Common Stock and 13,861 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
February 29, 2020 Filed Mar 4, 2020 00:18 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Tax withholdingCommon Stock, par value $0.01 per share 446 $667.59 $297,745.14
Disclosure

SEC source: 0001057352-20-000042 · wf-form4_158328111907135.xml · nonDerivative · entry 1

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,193

F1 · balance_after: Represents all shares of Common Stock owned, consisting of 7,492 shares of Common Stock and 17,701 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
February 15, 2020 Filed Feb 19, 2020 22:47 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Tax withholdingCommon Stock, par value $0.01 per share 326 $731.37 $238,426.62
Disclosure

SEC source: 0001057352-20-000029 · wf-form4_158215244207406.xml · nonDerivative · entry 1

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,639

F1 · balance_after: Represents all shares of Common Stock owned, consisting of 6,905 shares of Common Stock and 18,734 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
February 06, 2020 Filed Feb 10, 2020 22:22 UTC COSTAR GROUP, INC. CSGP · Entity 3416 GrantOption to Acquire Common Stock · Derivative 2,900 $0.00 Strike: $666.52 $0.00
Disclosure

SEC source: 0001057352-20-000018 · wf-form4_158137331002508.xml · derivative · entry 2

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,900

Underlying: Common Stock · 2,900 shares

Expires 2030-02-05

F3 · derivative.exercise_date: The option vests in three equal installments on February 15, 2021, February 15, 2022 and February 15, 2023.

Read SEC document
February 06, 2020 Filed Feb 10, 2020 22:22 UTC COSTAR GROUP, INC. CSGP · Entity 3416 GrantCommon Stock, par value $0.01 per share 4,160 $0.00 $0.00
Disclosure

SEC source: 0001057352-20-000018 · wf-form4_158137331002508.xml · nonDerivative · entry 1

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,965

F1 · shares: Includes a grant of 2,000 shares of restricted common stock that vest in three equal installments on February 15, 2021, February 15, 2022 and February 15, 2023, and a grant of 2,160 shares of restricted common stock that vest based upon CoStar Group, Inc.'s achievement of a three-year performance goal.

F2 · balance_after: Represents all shares of Common Stock owned, consisting of 6,331 shares of Common Stock and 19,634 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
July 31, 2019 Filed Aug 1, 2019 20:31 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Exercise / conversionOption to Acquire Common Stock · Derivative 2,000 $0.00 Strike: $342.13 $0.00
Disclosure

SEC source: 0001057352-19-000071 · wf-form4_156469145436214.xml · derivative · entry 7

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,000

Underlying: Common Stock · 2,000 shares

Expires 2028-02-27

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.

F8 · derivative.exercise_date: The option vests in three equal installments on February 28, 2019, February 28, 2020 and February 28, 2021.

Read SEC document
July 31, 2019 Filed Aug 1, 2019 20:31 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Exercise / conversionOption to Acquire Common Stock · Derivative 7,533 $0.00 Strike: $204.91 $0.00
Disclosure

SEC source: 0001057352-19-000071 · wf-form4_156469145436214.xml · derivative · entry 6

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,767

Underlying: Common Stock · 7,533 shares

Expires 2027-03-01

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.

F7 · derivative.exercise_date: The option vests in three equal installments on March 31, 2018, March 31, 2019 and March 31, 2020.

Read SEC document
July 31, 2019 Filed Aug 1, 2019 20:31 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Exercise / conversionOption to Acquire Common Stock · Derivative 3,500 $0.00 Strike: $182.75 $0.00
Disclosure

SEC source: 0001057352-19-000071 · wf-form4_156469145436214.xml · derivative · entry 5

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,500 shares

Expires 2026-03-10

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.

F6 · derivative.exercise_date: The option vested in three equal installments on March 11, 2017, March 11, 2018 and March 11, 2019.

Read SEC document
July 31, 2019 Filed Aug 1, 2019 20:31 UTC COSTAR GROUP, INC. CSGP · Entity 3416 SaleCommon Stock, par value $0.01 per share 14,651 $617.39 $9,045,380.89
Disclosure

SEC source: 0001057352-19-000071 · wf-form4_156469145436214.xml · nonDerivative · entry 4

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,805

F4 · price: Average based on sales prices ranging from $617 to $618.13.

F5 · balance_after: Represents all shares of Common Stock owned, consisting of 6,331 shares of Common Stock and 15,474 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
July 31, 2019 Filed Aug 1, 2019 20:31 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Exercise / conversionCommon Stock, par value $0.01 per share 2,000 $342.13 $684,260.00
Disclosure

SEC source: 0001057352-19-000071 · wf-form4_156469145436214.xml · nonDerivative · entry 3

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,456

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.

F3 · balance_after: Represents all shares of Common Stock owned, consisting of 20,982 shares of Common Stock and 15,474 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
July 31, 2019 Filed Aug 1, 2019 20:31 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Exercise / conversionCommon Stock, par value $0.01 per share 7,533 $204.91 $1,543,587.03
Disclosure

SEC source: 0001057352-19-000071 · wf-form4_156469145436214.xml · nonDerivative · entry 2

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,456

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.

F2 · balance_after: Represents all shares of Common Stock owned, consisting of 18,982 shares of Common Stock and 15,474 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
July 31, 2019 Filed Aug 1, 2019 20:31 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Exercise / conversionCommon Stock, par value $0.01 per share 3,500 $182.75 $639,625.00
Disclosure

SEC source: 0001057352-19-000071 · wf-form4_156469145436214.xml · nonDerivative · entry 1

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,923

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 · balance_after: Represents all shares of Common Stock owned, consisting of 11,449 shares of Common Stock and 15,474 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
June 02, 2019 Filed Jun 3, 2019 21:51 UTC COSTAR GROUP, INC. CSGP · Entity 3416 GrantCommon Stock, par value $0.01 per share 1 $0.00 $0.00
Disclosure

SEC source: 0001057352-19-000056 · wf-form4_155959867123324.xml · nonDerivative · entry 1

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,423

F1 · shares: Service award granted by the Company for the reporting person's 5-year anniversary of employment. The closing stock price of the Company's common stock on the trading day immediately preceding the date of grant was $509.64.

F2 · balance_after: Represents all shares of Common Stock owned, consisting of 7,949 shares of Common Stock and 15,474 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
March 31, 2019 Filed Apr 2, 2019 20:34 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Tax withholdingCommon Stock, par value $0.01 per share 1,049 $466.42 $489,274.58
Disclosure

SEC source: 0001057352-19-000041 · wf-form4_155423725564396.xml · nonDerivative · entry 1

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,422

F1 · balance_after: Represents all shares of Common Stock owned, consisting of 7,948 shares of Common Stock and 15,474 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
March 11, 2019 Filed Mar 12, 2019 22:06 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Tax withholdingCommon Stock, par value $0.01 per share 2,206 $459.98 $1,014,715.88
Disclosure

SEC source: 0001057352-19-000029 · wf-form4_155242837098804.xml · nonDerivative · entry 1

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,471

F1 · balance_after: Represents all shares of Common Stock owned, consisting of 6,930 shares of Common Stock and 17,541 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
March 01, 2019 Filed Mar 4, 2019 23:20 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Exercise / conversionOption to Acquire Common Stock · Derivative 516 $0.00 Strike: $193.69 $0.00
Disclosure

SEC source: 0001057352-19-000023 · wf-form4_155174163168505.xml · derivative · entry 4

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 516 shares

Expires 2025-03-04

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.

F5 · derivative.exercise_date: The option vested in three equal installments on March 5, 2016, March 5, 2017 and March 5, 2018.

Read SEC document
March 01, 2019 Filed Mar 4, 2019 23:20 UTC COSTAR GROUP, INC. CSGP · Entity 3416 SaleCommon Stock, par value $0.01 per share 4,701 $477.31 $2,243,834.31
Disclosure

SEC source: 0001057352-19-000023 · wf-form4_155174163168505.xml · nonDerivative · entry 3

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,677

F3 · price: Average based on sales prices ranging from $474.59 to $478.26.

F4 · balance_after: Represents all shares of Common Stock owned, consisting of 4,756 shares of Common Stock and 21,921 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
March 01, 2019 Filed Mar 4, 2019 23:20 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Exercise / conversionCommon Stock, par value $0.01 per share 516 $193.69 $99,944.04
Disclosure

SEC source: 0001057352-19-000023 · wf-form4_155174163168505.xml · nonDerivative · entry 2

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,378

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.

F2 · balance_after: Represents all shares of Common Stock owned, consisting of 9,457 shares of Common Stock and 21,921 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
February 28, 2019 Filed Mar 4, 2019 23:20 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Tax withholdingCommon Stock, par value $0.01 per share 372 $454.33 $169,010.76
Disclosure

SEC source: 0001057352-19-000023 · wf-form4_155174163168505.xml · nonDerivative · entry 1

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,862

F1 · balance_after: Represents all shares of Common Stock owned, consisting of 8,941 shares of Common Stock and 21,921 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
February 07, 2019 Filed Feb 11, 2019 22:02 UTC COSTAR GROUP, INC. CSGP · Entity 3416 GrantOption to Acquire Common Stock · Derivative 3,800 $0.00 Strike: $398.15 $0.00
Disclosure

SEC source: 0001057352-19-000010 · wf-form4_154992255834925.xml · derivative · entry 2

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,800

Underlying: Common Stock · 3,800 shares

Expires 2029-02-06

F3 · derivative.exercise_date: The option vests in three equal installments on February 15, 2020, February 15, 2021 and February 15, 2022.

Read SEC document
February 07, 2019 Filed Feb 11, 2019 22:02 UTC COSTAR GROUP, INC. CSGP · Entity 3416 GrantCommon Stock, par value $0.01 per share 5,580 $0.00 $0.00
Disclosure

SEC source: 0001057352-19-000010 · wf-form4_154992255834925.xml · nonDerivative · entry 1

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,234

F1 · shares: Includes a grant of 2,700 shares of restricted common stock that vest in three equal installments on February 15, 2020, February 15, 2021 and February 15, 2022, and a grant of 2,880 shares of restricted common stock that vest based upon CoStar Group, Inc.'s achievement of a three-year performance goal.

F2 · balance_after: Represents all shares of Common Stock owned, consisting of 8,280 shares of Common Stock and 22,954 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
September 11, 2018 Filed Sep 12, 2018 20:14 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Tax withholdingCommon Stock, par value $0.01 per share 1,281 $435.98 $558,490.38
Disclosure

SEC source: 0001057352-18-000092 · wf-form4_153678323483562.xml · nonDerivative · entry 1

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,654

F1 · balance_after: Represents all shares of Common Stock owned, consisting of 8,280 shares of Common Stock and 17,374 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
July 30, 2018 Filed Jul 31, 2018 20:18 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Exercise / conversionOption to Acquire Common Stock · Derivative 2,500 $0.00 Strike: $182.75 $0.00
Disclosure

SEC source: 0001057352-18-000088 · wf-form4_153306830836553.xml · derivative · entry 5

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,500

Underlying: Common Stock · 2,500 shares

Expires 2026-03-10

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.

F6 · derivative.exercise_date: The option vests in three equal installments on March 11, 2017, March 11, 2018 and March 11, 2019.

Read SEC document
July 30, 2018 Filed Jul 31, 2018 20:18 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Exercise / conversionOption to Acquire Common Stock · Derivative 1,884 $0.00 Strike: $193.69 $0.00
Disclosure

SEC source: 0001057352-18-000088 · wf-form4_153306830836553.xml · derivative · entry 4

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 516

Underlying: Common Stock · 1,884 shares

Expires 2025-03-04

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.

F5 · derivative.exercise_date: The option vested in three equal installments on March 5, 2016, March 5, 2017 and March 5, 2018.

Read SEC document
July 30, 2018 Filed Jul 31, 2018 20:18 UTC COSTAR GROUP, INC. CSGP · Entity 3416 SaleCommon Stock, par value $0.01 per share 4,384 $411.93 $1,805,901.12
Disclosure

SEC source: 0001057352-18-000088 · wf-form4_153306830836553.xml · nonDerivative · entry 3

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,935

F3 · price: Average based on sales prices ranging from $411 to $412.76.

F4 · balance_after: Represents all shares of Common Stock owned, consisting of 7,186 shares of Common Stock and 19,749 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
July 30, 2018 Filed Jul 31, 2018 20:18 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Exercise / conversionCommon Stock, par value $0.01 per share 2,500 $182.75 $456,875.00
Disclosure

SEC source: 0001057352-18-000088 · wf-form4_153306830836553.xml · nonDerivative · entry 2

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,319

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.

F2 · balance_after: Represents all shares of Common Stock owned, consisting of 11,570 shares of Common Stock and 19,749 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
July 30, 2018 Filed Jul 31, 2018 20:18 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Exercise / conversionCommon Stock, par value $0.01 per share 1,884 $193.69 $364,911.96
Disclosure

SEC source: 0001057352-18-000088 · wf-form4_153306830836553.xml · nonDerivative · entry 1

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,819

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 · balance_after: Represents all shares of Common Stock owned, consisting of 9,070 shares of Common Stock and 19,749 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
March 31, 2018 Filed Apr 3, 2018 22:00 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Tax withholdingCommon Stock, par value $0.01 per share 1,017 $362.68 $368,845.56
Disclosure

SEC source: 0001057352-18-000051 · wf-form4_152279278538181.xml · nonDerivative · entry 1

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,935

F1 · balance_after: Represents all shares of Common Stock owned, consisting of 7,186 shares of Common Stock and 19,749 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
March 11, 2018 Filed Mar 13, 2018 20:37 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Tax withholdingCommon Stock, par value $0.01 per share 738 $361.22 $266,580.36
Disclosure

SEC source: 0001057352-18-000041 · wf-form4_152097344475447.xml · nonDerivative · entry 1

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,952

F1 · balance_after: Represents all shares of Common Stock owned, consisting of 6,137 shares of Common Stock and 21,815 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
March 05, 2018 Filed Mar 6, 2018 22:02 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Tax withholdingCommon Stock, par value $0.01 per share 1,581 $348.28 $550,630.68
Disclosure

SEC source: 0001057352-18-000029 · wf-form4_152037375694404.xml · nonDerivative · entry 5

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,690

F7 · balance_after: Represents all shares of Common Stock owned, consisting of 5,375 shares of Common Stock and 23,315 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
March 02, 2018 Filed Mar 6, 2018 22:02 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Exercise / conversionOption to Acquire Common Stock · Derivative 3,000 $0.00 Strike: $182.75 $0.00
Disclosure

SEC source: 0001057352-18-000029 · wf-form4_152037375694404.xml · derivative · entry 7

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,000

Underlying: Common Stock · 3,000 shares

Expires 2026-03-10

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.

F9 · derivative.exercise_date: The option vests in three equal installments on March 11, 2017, March 11, 2018 and March 11, 2019.

Read SEC document
March 02, 2018 Filed Mar 6, 2018 22:02 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Exercise / conversionOption to Acquire Common Stock · Derivative 3,768 $0.00 Strike: $193.69 $0.00
Disclosure

SEC source: 0001057352-18-000029 · wf-form4_152037375694404.xml · derivative · entry 6

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,400

Underlying: Common Stock · 3,768 shares

Expires 2025-03-04

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.

F8 · derivative.exercise_date: The option vests in three equal installments on March 5, 2016, March 5, 2017 and March 5, 2018.

Read SEC document
March 02, 2018 Filed Mar 6, 2018 22:02 UTC COSTAR GROUP, INC. CSGP · Entity 3416 SaleCommon Stock, par value $0.01 per share 1,153 $348.45 $401,762.85
Disclosure

SEC source: 0001057352-18-000029 · wf-form4_152037375694404.xml · nonDerivative · entry 4

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,271

F5 · price: Average based on sales prices ranging from $347.84 to $349.24.

F6 · balance_after: Represents all shares of Common Stock owned, consisting of 2,882 shares of Common Stock and 27,389 shares of Common Stock subject to unvested Restricted Stock grants.

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March 02, 2018 Filed Mar 6, 2018 22:02 UTC COSTAR GROUP, INC. CSGP · Entity 3416 SaleCommon Stock, par value $0.01 per share 6,768 $348.19 $2,356,549.92
Disclosure

SEC source: 0001057352-18-000029 · wf-form4_152037375694404.xml · nonDerivative · entry 3

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,424

F3 · price: Average based on sales prices ranging from $347.47 to $349.24.

F4 · balance_after: Represents all shares of Common Stock owned, consisting of 4,035 shares of Common Stock and 27,389 shares of Common Stock subject to unvested Restricted Stock grants.

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March 02, 2018 Filed Mar 6, 2018 22:02 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Exercise / conversionCommon Stock, par value $0.01 per share 3,000 $182.75 $548,250.00
Disclosure

SEC source: 0001057352-18-000029 · wf-form4_152037375694404.xml · nonDerivative · entry 2

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,192

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.

F2 · balance_after: Represents all shares of Common Stock owned, consisting of 10,803 shares of Common Stock and 27,389 shares of Common Stock subject to unvested Restricted Stock grants.

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March 02, 2018 Filed Mar 6, 2018 22:02 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Exercise / conversionCommon Stock, par value $0.01 per share 3,768 $193.69 $729,823.92
Disclosure

SEC source: 0001057352-18-000029 · wf-form4_152037375694404.xml · nonDerivative · entry 1

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,192

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 · balance_after: Represents all shares of Common Stock owned, consisting of 7,803 shares of Common Stock and 27,389 shares of Common Stock subject to unvested Restricted Stock grants.

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February 28, 2018 Filed Mar 1, 2018 21:32 UTC COSTAR GROUP, INC. CSGP · Entity 3416 GrantOption to Acquire Common Stock · Derivative 6,000 $0.00 Strike: $342.13 $0.00
Disclosure

SEC source: 0001057352-18-000019 · wf-form4_151993981252035.xml · derivative · entry 2

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,000

Underlying: Common Stock · 6,000 shares

Expires 2028-02-27

F3 · derivative.exercise_date: The option vests in three equal installments on February 28, 2019, February 29, 2020 and February 28, 2021.

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February 28, 2018 Filed Mar 1, 2018 21:32 UTC COSTAR GROUP, INC. CSGP · Entity 3416 GrantCommon Stock, par value $0.01 per share 5,020 $0.00 $0.00
Disclosure

SEC source: 0001057352-18-000019 · wf-form4_151993981252035.xml · nonDerivative · entry 1

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,424

F1 · shares: Includes a grant of 3,100 shares of restricted common stock that vest in three equal installments on February 28, 2019, February 29, 2020 and February 28, 2021, and a grant of 1,920 shares of restricted common stock that vest based upon CoStar Group, Inc.'s achievement of a three-year performance goal.

F2 · balance_after: Represents all shares of Common Stock owned, consisting of 4,035 shares of Common Stock and 27,389 shares of Common Stock subject to unvested Restricted Stock grants.

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September 11, 2017 Filed Sep 12, 2017 20:40 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Tax withholdingCommon Stock, par value $0.01 per share 1,197 $280.40 $335,638.80
Disclosure

SEC source: 0001057352-17-000051 · wf-form4_150524884185162.xml · nonDerivative · entry 1

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,404

F1 · balance_after: Represents all shares of Common Stock owned, consisting of 4,035 shares of Common Stock and 22,369 shares of Common Stock subject to unvested Restricted Stock grants.

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July 31, 2017 Filed Aug 1, 2017 20:34 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Exercise / conversionOption to Acquire Common Stock · Derivative 1,032 $0.00 Strike: $193.69 $0.00
Disclosure

SEC source: 0001057352-17-000047 · wf-form4_150161968484965.xml · derivative · entry 3

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,168

Underlying: Common Stock · 1,032 shares

Expires 2025-03-04

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.

F4 · derivative.exercise_date: The option vests in three equal installments on March 5, 2016, March 5, 2017 and March 5, 2018.

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July 31, 2017 Filed Aug 1, 2017 20:34 UTC COSTAR GROUP, INC. CSGP · Entity 3416 SaleCommon Stock, par value $0.01 per share 1,767 $273.15 $482,656.05
Disclosure

SEC source: 0001057352-17-000047 · wf-form4_150161968484965.xml · nonDerivative · entry 2

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,601

F2 · price: Average based on sales prices ranging from $273 to $273.305.

F3 · balance_after: Represents all shares of Common Stock owned, consisting of 2,858 shares of Common Stock and 24,743 shares of Common Stock subject to unvested Restricted Stock grants.

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July 31, 2017 Filed Aug 1, 2017 20:34 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Exercise / conversionCommon Stock, par value $0.01 per share 1,032 $193.69 $199,888.08
Disclosure

SEC source: 0001057352-17-000047 · wf-form4_150161968484965.xml · nonDerivative · entry 1

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,368

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 · balance_after: Represents all shares of Common Stock owned, consisting of 4,625 shares of Common Stock and 24,743 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
May 01, 2017 Filed May 3, 2017 22:04 UTC COSTAR GROUP, INC. CSGP · Entity 3416 SaleCommon Stock, par value $0.01 per share 1,037 $240.00 $248,880.00
Disclosure

SEC source: 0001057352-17-000035 · wf-form4_149384907603104.xml · nonDerivative · entry 1

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,336

F1 · balance_after: Represents all shares of Common Stock owned, consisting of 3,593 shares of Common Stock and 24,743 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
March 11, 2017 Filed Mar 14, 2017 21:26 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Tax withholdingCommon Stock, par value $0.01 per share 557 $205.18 $114,285.26
Disclosure

SEC source: 0001609822-17-000004 · wf-form4_148952674374444.xml · nonDerivative · entry 1

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,373

F1 · balance_after: Represents all shares of Common Stock owned, consisting of 4,630 shares of Common Stock and 24,743 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
March 05, 2017 Filed Mar 7, 2017 21:42 UTC COSTAR GROUP, INC. CSGP · Entity 3416 Tax withholdingCommon Stock, par value $0.01 per share 548 $206.13 $112,959.24
Disclosure

SEC source: 0001609822-17-000002 · wf-form4_148892294420218.xml · nonDerivative · entry 1

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,930

F1 · balance_after: Represents all shares of Common Stock owned, consisting of 3,687 shares of Common Stock and 26,243 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
March 02, 2017 Filed Mar 2, 2017 23:17 UTC COSTAR GROUP, INC. CSGP · Entity 3416 GrantOption to Acquire Common Stock · Derivative 11,300 $0.00 Strike: $204.91 $0.00
Disclosure

SEC source: 0001057352-17-000017 · wf-form4_148849661040501.xml · derivative · entry 2

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,300

Underlying: Common Stock · 11,300 shares

Expires 2027-03-01

F3 · derivative.exercise_date: The option vests in three equal installments on March 2, 2018, March 2, 2019 and March 2, 2020.

Read SEC document
March 02, 2017 Filed Mar 2, 2017 23:17 UTC COSTAR GROUP, INC. CSGP · Entity 3416 GrantCommon Stock, par value $0.01 per share 10,040 $0.00 $0.00
Disclosure

SEC source: 0001057352-17-000017 · wf-form4_148849661040501.xml · nonDerivative · entry 1

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,478

F1 · shares: Includes a grant of 6,200 shares of restricted common stock that vest in three equal installments on March 2, 2018, March 2, 2019 and March 2, 2020, and a grant of 3,840 shares of restricted common stock that vest based upon CoStar Group, Inc.'s achievement of a three-year performance goal.

F2 · balance_after: Represents all shares of Common Stock owned, consisting of 2,802 shares of Common Stock and 27,676 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document
October 31, 2016 Filed Nov 1, 2016 21:36 UTC COSTAR GROUP, INC. CSGP · Entity 3416 SaleCommon Stock, par value $0.01 per share 1,060 $188.31 $199,608.60
Disclosure

SEC source: 0001057352-16-000167 · wf-form4_147803619702091.xml · nonDerivative · entry 1

Linnington Matthew · CIK 0001609822 · Executive VP, Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,438

F1 · price: Average based on sales prices ranging from $188.26 to $188.51.

F2 · balance_after: Represents all shares of Common Stock owned, consisting of 2,802 shares of Common Stock and 17,636 shares of Common Stock subject to unvested Restricted Stock grants.

Read SEC document

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