SAINT FREDERICK G. 4
4 · COSTAR GROUP, INC. · Filed Mar 3, 2026
Insider Transaction Report
Form 4
SAINT FREDERICK G.
President, Marketplaces
Transactions
- Award
Restricted Stock Units
[F1][F2]2026-02-27+39,652→ 39,652 total→ Common Stock, par value $0.01 per share (39,652 underlying)
Footnotes (2)
- [F1]Each restricted stock unit represents a contingent right to receive one share of CoStar Group, Inc. common stock.
- [F2]The restricted stock units vest in three equal installments on March 1, 2027, March 1, 2028 and March 1, 2029.
Signature
/s/ Gene Boxer, Attorney-in-Fact|2026-03-03