5%+ stake
5.3%Stake
A Schedule 13G is filed by holders above 5% who say they will not try to influence the company. Index funds and large asset managers file most of them.
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Insider tradesView the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership
Insider trade
Director sold ~$106K of CSGP shares in the open market
Traded Aug 5, 2026 · Filed Aug 10, 2026
- ~$106K
- Reported value · 3,500 sh @ $30.21
- 23K
- Holds after · shares reported
- −8.4%
- stock since the trade · S&P 500 +0.7%, $30.21 → $27.66 on Oct 5
Why it stands out
A board member of CoStar sold $106K of CoStar shares. Nobody planned it ahead of time.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
All the details
Dates, kept separate
- Transaction date
- Aug 5, 2026
- Reporting period
- Not applicable
- Filed with the SEC
- Aug 10, 2026
Director$100K–$500K
Context
- Classification
open market sale
Code S — open-market or private sale
- Absolute commitment
~$105,735
Shares × reported transaction price
- Timing vs results
8 days after results of Jul 28, 2026
Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results
- Price at the time
Closed at $30.21 on Aug 5, 2026, 11% above its 52-week low and 69% below its high, little changed over the previous 30 trading days