Michael Klein

Currently holds positions in CoStar Group Inc and Tutor Perini Corp

Position	Company	Period
Independent Chairman of the Board	CoStar Group Inc	Jan. 1, 1987 -
Lead Independent Vice Chairman of the Board	Tutor Perini Corp	Jan. 1, 2008 -

• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Earnings

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Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other

Notification date	Transaction date	B/S Transaction type	Nb. shares Price Value	Number of shares	Price	Value	Details
2024-10-28	2024-10-25	CoStar Group Inc (CSGP)	S Sale	71,633 -3.6% 74.69 USD 5,350,269	71,633 -3.6%	74.69	USD 5,350,269
2024-05-17	2024-05-16	Tutor Perini Corp (TPC)	S Sale	183,750 -87.9% 19.41 USD 3,566,588	183,750 -87.9%	19.41	USD 3,566,588
2024-05-17	2024-05-15	Tutor Perini Corp (TPC)	S Sale	181,155 -46.4% 19.99 USD 3,621,288	181,155 -46.4%	19.99	USD 3,621,288
2022-08-09	2022-08-05	CoStar Group Inc (CSGP)	S Sale	150,000 -6.7% 72.42 USD 10,863,000	150,000 -6.7%	72.42	USD 10,863,000
2020-12-11	2020-12-09	Tutor Perini Corp (TPC)	S Sale	50,000 -13.6% 13.38 USD 669,000	50,000 -13.6%	13.38	USD 669,000
2020-12-08	2020-12-04	Tutor Perini Corp (TPC)	S Sale	259,244 -41.4% 13.13 USD 3,403,874	259,244 -41.4%	13.13	USD 3,403,874
2020-05-20	2020-05-18	Tutor Perini Corp (TPC)	B Purchase	150,000 +33.3% 7.76 USD 1,164,000	150,000 +33.3%	7.76	USD 1,164,000
2020-05-08	2020-05-07	CoStar Group Inc (CSGP)	S Sale	11,361 -4.7% 636.51 USD 7,231,390	11,361 -4.7%	636.51	USD 7,231,390
2020-05-08	2020-05-06	CoStar Group Inc (CSGP)	S Sale	3,639 -1.5% 647.52 USD 2,356,325	3,639 -1.5%	647.52	USD 2,356,325