Michael R. Klein

Sits on 2 boards. Last updated September 28, 2026

Time on boards

Boards served
2
Current seats
2
Board service
7 years
Director since
2023

7 years of board service in total across 2 boards, counting each seat separately. Longest: CoStar Group Inc., 3 years.

3 years · Since 2023
3 years · Since 2023

Shareholder support

Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Dec 10, 2024 CoStar Group Inc. Gift −64,909 — —
Oct 25, 2024 CoStar Group Inc. Gift −5,872 — —
Oct 25, 2024 CoStar Group Inc. Open-market sale −71,633 $74.69 $5,350,269
Jul 27, 2024 CoStar Group Inc. Gift −6,346 — —
Jul 27, 2024 CoStar Group Inc. Gift −5,344 — —
Jul 27, 2024 CoStar Group Inc. Gift −4,810 — —
Jul 17, 2024 CoStar Group Inc. Grant or award +3,781 — —
May 16, 2024 Tutor Perini Corporation Open-market sale −183,750 $19.41 $3,566,588
May 15, 2024 Tutor Perini Corporation Open-market sale −181,155 $19.99 $3,621,288
Nov 29, 2023 CoStar Group Inc. Gift −60,000 — —
Oct 30, 2023 CoStar Group Inc. Grant or award +4,055 — —
May 23, 2023 CoStar Group Inc. Gift −3,977 — —
May 17, 2023 Tutor Perini Corporation Grant or award +40,635 — —
Nov 1, 2022 CoStar Group Inc. Gift −15,000 — —

Questions about Michael R. Klein

What boards is Michael R. Klein on?

Michael R. Klein sits on the boards of CoStar Group Inc. and Tutor Perini Corporation.

How long has Michael R. Klein served on boards?

Our records show at least 7 years of board service across 2 boards, the earliest from 2023.

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