COSTAR GROUP, INC.·4

Mar 17, 4:12 PM ET

Cann Cynthia Cammett 4

4 · COSTAR GROUP, INC. · Filed Mar 17, 2026

Research Summary

AI-generated summary of this filing

Updated

CoStar (CSGP) Chief Accounting Officer Cynthia Cann Withholds 1,194 Shares

What Happened

  • Cynthia Cammett Cann, Chief Accounting Officer of CoStar Group (CSGP), had 1,194 shares disposed on March 15, 2026 as a tax/fee withholding (Form 4 code F) related to an equity event. The shares were valued at $43.63 each, for a total of $52,094.

Key Details

  • Transaction date: 2026-03-15; filing date: 2026-03-17 (timely filing).
  • Price used: $43.63 per share (footnote: Nasdaq closing price on prior business day, 2026-03-13).
  • Shares disposed: 1,194 (code F — payment of exercise price or tax liability via share withholding).
  • Shares owned after transaction: not reported in the provided filing extract.
  • No indication this was an open-market sale (shares were withheld to satisfy tax/withholding obligations).

Context

  • Code F transactions typically reflect shares withheld to cover taxes or exercise costs from a stock option exercise or vesting of restricted stock; they are administrative and do not necessarily indicate the insider is selling stock for cash. This is different from an open-market sale (code S) and is generally considered routine.

Insider Transaction Report

Form 4
Period: 2026-03-15
Cann Cynthia Cammett
Chief Accounting Officer
Transactions
  • Tax Payment

    Common Stock, par value $0.01 per share

    [F1]
    2026-03-15$43.63/sh1,194$52,09425,148 total
Footnotes (1)
  • [F1]On March 13, 2026, the last preceding business day, the closing price of the Company's common stock on Nasdaq was $43.63.
Signature
/s/ Gene Boxer, Attorney-in-Fact|2026-03-17

Documents

1 file
  • 4
    wk-form4_1773778327.xmlPrimary

    FORM 4