Form4insider filings, from the source

Company · CIK 0002027317 · SIC 6500 — Real Estate · NYSE

Curbline Properties Corp. · CURB

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $43.6M · 12net −$43.6M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesJul 29Aug 6Aug 14Aug 22Aug 30Sep 7Sep 15

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 15, 2026 FForm 4 →Sep 15, 4:10 pm EDTConor FennertyEVP, CFO & Treasurer2,472$29.08$71,886151,437—
Sep 15, 2026 FForm 4 →Sep 15, 4:05 pm EDTJohn M CattonarEVP & Chief Investment Officer2,472$29.08$71,886180,717—
Sep 14, 2026 SForm 4 →Sep 16, 4:10 pm EDTAlexander OttoDirector839$29.52$24,7676,550,075−0.01%
Sep 10, 2026 SForm 4 →Sep 14, 4:10 pm EDTAlexander OttoDirector2,344$29.51$69,1716,550,914−0.04%
Sep 8, 2026 SForm 4 →Sep 10, 4:10 pm EDTAlexander OttoDirector254,924$29.67$7,563,1646,553,258−3.74%
Sep 1, 2026 SForm 4 →Sep 3, 4:05 pm EDTAlexander OttoDirector100$30.02$3,0026,808,182−0.00%
Aug 27, 2026 SForm 4 →Sep 1, 4:10 pm EDTAlexander OttoDirector114,244$30.11$3,439,6166,808,282−1.65% late
Aug 25, 2026 SForm 4 →Aug 27, 4:21 pm EDTAlexander OttoDirector309,161$30.14$9,318,6736,922,526−4.28%
Aug 18, 2026 SForm 4 →Aug 20, 4:05 pm EDTAlexander OttoDirector34,133$30.02$1,024,7697,231,687−0.47%
Aug 14, 2026 SForm 4 →Aug 18, 6:33 pm EDTAlexander OttoDirector145,399$30.24$4,396,3937,265,820−1.96%
Aug 12, 2026 SForm 4 →Aug 14, 4:45 pm EDTAlexander OttoDirector231,943$30.11$6,984,4127,411,219−3.03%
Aug 6, 2026 SForm 4 →Aug 10, 5:49 pm EDTAlexander OttoDirector129,841$29.79$3,867,3497,643,162−1.67%
Aug 4, 2026 SForm 4 →Aug 6, 6:35 pm EDTAlexander OttoDirector173,057$30.12$5,213,0747,773,003−2.18%
Jul 30, 2026 SForm 4 →Jul 31, 4:05 pm EDTConor FennertyEVP, CFO & Treasurer55,105$30.38$1,674,200153,909−26.4%
Jun 25, 2026 AForm 4 →Jun 25, 4:15 pm EDTConor FennertyEVP, CFO & Treasurer49,326——209,014—
Jun 25, 2026 AForm 4 →Jun 25, 4:10 pm EDTJohn M CattonarEVP & Chief Investment Officer45,051——183,189—

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.