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Who

Mark Okey Decker Jr.

CEO and President

Company insider

Files Form 4 as: CEO and President, Chiron Real Estate; Director, Alpine Income Property Trust; Former President, CEO and CIO, D/B/A Centerspace.

In numbers

Trades disclosed
165
Buys
37
Sells
1
Bought
$4.4M
Sold
$6
Companies
3
Companies where not an officer
1
First trade
8 Aug 2016
Last trade
27 Aug 2026
Last filed
31 Aug 2026

Companies traded

Where they are an officer
XRN Chiron Real EstateDirector, Officer · REITs · last 27 Aug 20269 buys · 0 sells
CSR D/B/A CenterspaceDirector, Officer · REITs · last 5 May 202321 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
PINE Alpine Income Property TrustDirector · REITs · last 1 Oct 20247 buys · 1 sell

Activity over time

1 Nov 2024 – 1 Oct 2026
03Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
27 Aug 2026filed 31 Aug 2026XRN Chiron Real Estateoption or derivative · REITsSEC FORM 4 Code A—49,618 at $0.00filing
27 Aug 2026filed 31 Aug 2026XRN Chiron Real Estateoption or derivative · REITsSEC FORM 4 Code A—49,618 at $0.00filing
11 Aug 2026filed 13 Aug 2026XRN Chiron Real EstateREITsSEC FORM 4 Bought$20K550 at $36.00filing
11 Aug 2026filed 13 Aug 2026XRN Chiron Real EstateREITsSEC FORM 4 Bought$20K550 at $36.00filing
11 Aug 2026filed 13 Aug 2026XRN Chiron Real EstateREITsSEC FORM 4 Bought$247K6,875 at $35.92filing
11 Aug 2026filed 13 Aug 2026XRN Chiron Real EstateREITsSEC FORM 4 Bought$247K6,875 at $35.92filing
10 Aug 2026filed 12 Aug 2026XRN Chiron Real EstateREITsSEC FORM 4 Bought$287K8,000 at $35.88filing
10 Aug 2026filed 12 Aug 2026XRN Chiron Real EstateREITsSEC FORM 4 Bought$287K8,000 at $35.88filing
12 May 2026filed 12 May 2026XRN Chiron Real EstateREITsSEC FORM 4 Bought$34K1,000 at $33.74filing
12 May 2026filed 12 May 2026XRN Chiron Real EstateREITsSEC FORM 4 Bought$136K4,000 at $33.99filing
12 May 2026filed 12 May 2026XRN Chiron Real EstateREITsSEC FORM 4 Bought$34K1,000 at $33.74filing
12 May 2026filed 12 May 2026XRN Chiron Real EstateREITsSEC FORM 4 Bought$136K4,000 at $33.99filing
24 Feb 2026filed 25 Feb 2026XRN Chiron Real Estateoption or derivative · REITsSEC FORM 4 Code A—16,616 at $0.00filing
24 Feb 2026filed 25 Feb 2026XRN Chiron Real Estateoption or derivative · REITsSEC FORM 4 Code A—4,702 at $0.00filing
24 Feb 2026filed 25 Feb 2026XRN Chiron Real Estateoption or derivative · REITsSEC FORM 4 Code A—16,616 at $0.00filing
24 Feb 2026filed 25 Feb 2026XRN Chiron Real Estateoption or derivative · REITsSEC FORM 4 Code A—4,702 at $0.00filing
5 Dec 2025filed 8 Dec 2025XRN Chiron Real EstateREITsSEC FORM 4 Bought$325K10,000 at $32.51filing
14 Nov 2025filed 17 Nov 2025XRN Chiron Real EstateREITsSEC FORM 4 Bought$133K4,093 at $32.41filing
14 Nov 2025filed 17 Nov 2025XRN Chiron Real EstateREITsSEC FORM 4 Bought$193K5,907 at $32.70filing
15 Aug 2025filed 18 Aug 2025XRN Chiron Real EstateREITsSEC FORM 4 Bought$95K13,871 at $6.84filing

News

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

Sectors

Real Estate38

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

Related people

Matthew Fitzsimmons WhitlockChief Investment Officer · Chief Investment Officer at Chiron Real Estate, filing Form 4 there in the last year
Danica HolleyChief Administrative Officer · Chief Administrative Officer at Chiron Real Estate, filing Form 4 there in the last year
Jamie Allen BarberGeneral Counsel and Secretary · General Counsel and Secretary at Chiron Real Estate, filing Form 4 there in the last year
Robert Harold ZeillerOfficer · Officer at Chiron Real Estate, filing Form 4 there in the last year
Aaron Robert RosethCOO · COO at Chiron Real Estate, filing Form 4 there in the last year
Charles FitzgeraldDirector · Also traded XRN in the last 90 days
Andrew C. RichardsonDirector · Also traded PINE in the last 90 days