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Who

Michael J. Glosserman

Director

Company insider

Files Form 4 as: Director, JBG SMITH Properties; Director, CoStar Group.

In numbers

Trades disclosed
61
Buys
0
Sells
11
Bought
$0
Sold
$9.0M
Companies
2
Companies where not an officer
2
First trade
4 Sep 2008
Last trade
30 Apr 2026
Last filed
1 May 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
JBGS JBG SMITH PropertiesDirector · REITs · last 30 Apr 20260 buys · 10 sells
CSGP CoStar GroupDirector · Business Services · last 30 Oct 20230 buys · 1 sell

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
30 Apr 2026filed 1 May 2026JBGS JBG SMITH Propertiesoption or derivative · REITsSEC FORM 4 Code A—17,617filing
30 Apr 2026filed 1 May 2026JBGS JBG SMITH Propertiesoption or derivative · REITsSEC FORM 4 Code A—17,617filing
24 Apr 2025filed 28 Apr 2025JBGS JBG SMITH Propertiesoption or derivative · REITsSEC FORM 4 Code A—18,009filing
25 Apr 2024filed 29 Apr 2024JBGS JBG SMITH Propertiesoption or derivative · REITsSEC FORM 4 Code A—16,934filing
30 Oct 2023filed 1 Nov 2023CSGP CoStar GroupBusiness ServicesSEC FORM 4 Code A—3,913 at $0.00filing
30 Jun 2023filed 30 Jun 2023JBGS JBG SMITH Propertiesoption or derivative · REITsSEC FORM 4 Code G—14,118filing
30 Jun 2023filed 30 Jun 2023JBGS JBG SMITH Propertiesoption or derivative · REITsSEC FORM 4 Code G—14,118filing
4 May 2023filed 5 May 2023JBGS JBG SMITH Propertiesoption or derivative · REITsSEC FORM 4 Code A—8,849filing
14 Sep 2022filed 15 Sep 2022CSGP CoStar GroupBusiness ServicesSEC FORM 4 Code A—3,745 at $0.00filing
29 Apr 2022filed 3 May 2022JBGS JBG SMITH Propertiesoption or derivative · REITsSEC FORM 4 Code A—9,807filing
13 Dec 2021filed 11 Feb 2022JBGS JBG SMITH Propertiesoption or derivative · REITsSEC FORM 4 Code G—67,000filing
13 Dec 2021filed 11 Feb 2022JBGS JBG SMITH Propertiesoption or derivative · REITsSEC FORM 4 Code G—67,000filing
27 Oct 2021filed 11 Feb 2022JBGS JBG SMITH Propertiesoption or derivative · REITsSEC FORM 4 Code G—19,309filing
27 Oct 2021filed 11 Feb 2022JBGS JBG SMITH Propertiesoption or derivative · REITsSEC FORM 4 Code G—19,309filing
27 Oct 2021filed 11 Feb 2022JBGS JBG SMITH Propertiesoption or derivative · REITsSEC FORM 4 Code G—36,051filing
27 Oct 2021filed 11 Feb 2022JBGS JBG SMITH Propertiesoption or derivative · REITsSEC FORM 4 Code G—36,051filing
15 Sep 2021filed 17 Sep 2021CSGP CoStar GroupBusiness ServicesSEC FORM 4 Code A$271K3,047 at $88.95filing
10 Aug 2021filed 11 Feb 2022JBGS JBG SMITH Propertiesoption or derivative · REITsSEC FORM 4 Code G—471,071filing
10 Aug 2021filed 11 Feb 2022JBGS JBG SMITH Propertiesoption or derivative · REITsSEC FORM 4 Code G—471,071filing
29 Apr 2021filed 3 May 2021JBGS JBG SMITH Propertiesoption or derivative · REITsSEC FORM 4 Code A—7,697filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Real Estate10
Industrials1

Buys in green, sells in red, by the company’s sector.

Related people

Steven A. MuselesChief Legal Off. & Corp. Secy · Chief Legal Off. & Corp. Secy at JBG SMITH Properties, filing Form 4 there in the last year
D. Ellen ShumanDirector · Director at JBG SMITH Properties, filing Form 4 there in the last year
Scott A. EstesDirector · Director at JBG SMITH Properties, filing Form 4 there in the last year
William J. MulrowDirector · Director at JBG SMITH Properties, filing Form 4 there in the last year
Alan S. FormanDirector · Director at JBG SMITH Properties, filing Form 4 there in the last year
Gilbert Ray Cisneros, Jr.Representative, CA-31 · Also traded CSGP in the last 90 days
Cynthia Cammett CannChief Accounting Officer · Also traded CSGP in the last 90 days
John W. HillDirector · Also traded CSGP in the last 90 days