SAINT FREDERICK G. (President, Marketplaces) purchased 7.7% of their position (20K shares) of COSTAR GROUP, INC. on the open market
Open‑market purchase worth $906.6K — a moderate purchase. The strongest form of insider conviction signal.
P · 1 purchase
Filed: 3/3/2026ACC: 0001500076-26-000006
Officer· President, Marketplaces
Since Sep 2020
+8.90K
Net shares
Net buyer
$495.2K
Total sold
1
Open market trades
1B · 0S
2
Total transactions
20K acquired · 11.10K disposed
Non-Derivative Transactions2
Common Stock, par value $0.01 per share
Direct
Shares
−11.10K
Price / share
$44.63
Trade value
$495.21K
% of position
4.1%
3/1/2026
270.95K→259.85K
Common Stock, par value $0.01 per share
Direct
Shares
+20K
Price / share
$45.33
Trade value
$906.60K
% of position
7.7%
3/2/2026
259.85K→279.85K
Total
Net shares
+8.90K
Net value
$411.39K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock, par value $0.01 per share Direct | 3/1/2026 | F · Tax Withholding | −11.10K | $44.63 | $495.21K | 4.1% | 270.95K | 259.85K |
| Common Stock, par value $0.01 per share Direct | 3/2/2026 | P · Purchase | +20K | $45.33 | $906.60K | 7.7% | 259.85K | 279.85K |
| Total | +8.90K | $411.39K | ||||||
Derivative Transactions0
No derivative transactions reported