Skip to main content
Signal8
Rossmann Robin Jack profile photo

Robin Jack Rossmann

CIK: 0002146463

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)1 (50.0%)

Compensation grants

Other (G, F, J, C, D, …)1 (50.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

COSTAR GROUP, INC. logo
CSGP

COSTAR GROUP, INC.

Officer

Discretionary Trading P&L

Holdings

Transaction History (2 total)

  • COSTAR GROUP, INC. logo
    CSGP

    COSTAR GROUP, INC.

    Oct 15, 2026
    Tax Payment(F)
    Direct
    756 shares at avg. $32.00$24K
  • COSTAR GROUP, INC. logo
    CSGP

    COSTAR GROUP, INC.

    Jul 31, 2026
    Award(A)

    Restricted Stock Units

    Direct
    34.8K shares-

1-2 of 2

About Rossmann Robin Jack

Rossmann Robin Jack (SEC CIK 0002146463) files insider reports with the SEC as Chief Financial Officer of COSTAR GROUP, INC. (CSGP).

Signal8 holds 3 ownership filings by Rossmann Robin Jack (1 Form 3, 2 Form 4), filed between Aug 4, 2026 and Oct 16, 2026. Those filings report 2 transactions, from Jul 31, 2026 to Oct 15, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Rossmann Robin Jack's filings is in ARLINGTON, VA.

Recent filings by Rossmann Robin Jack

  • Oct 15, 2026: Tax withholding of CSGP shares (Form 4, code F).
  • Jul 31, 2026: Grant or award of CSGP derivative securities (Form 4, code A).

Other insiders filing for COSTAR GROUP, INC. (CSGP)

How to read Form 4 transaction codes