CURB insider buying and SEC filings, explained
Curbline Properties Corp. · CIK 2027317
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$46.9M
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Sep 14, 2026 | Sale | Alexander Otto (Director) sold 839 shares at about $29.52 ($25K). Holdings down <1% to 6,550,075 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 16, 2026 |
| Sep 10, 2026 | Sale | Alexander Otto (Director) sold 2,344 shares at about $29.51 ($69K). Holdings down <1% to 6,550,914 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 14, 2026 |
| Sep 8–9, 2026 | Sale | Alexander Otto (Director) sold 254,924 shares between Sep 8 and Sep 9 at about $29.67 ($7.6M). Holdings down 4% to 6,553,258 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 10, 2026 |
| Sep 1, 2026 | Sale | Alexander Otto (Director) sold 100 shares at $30.02 ($3K). Holdings down <1% to 6,808,182 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 3, 2026 |
| Aug 27–31, 2026 | Sale | Alexander Otto (Director) sold 114,244 shares between Aug 27 and Aug 31 at about $30.11 ($3.4M). Holdings down 2% to 6,808,282 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 1, 2026 |
| Aug 25–26, 2026 | Sale | Alexander Otto (Director) sold 309,161 shares between Aug 25 and Aug 26 at about $30.14 ($9.3M). Holdings down 4% to 6,922,526 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 27, 2026 |
| Aug 18–19, 2026 | Sale | Alexander Otto (Director) sold 34,133 shares between Aug 18 and Aug 19 at about $30.02 ($1.0M). Holdings down <1% to 7,231,687 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 20, 2026 |
| Aug 14–17, 2026 | Sale | Alexander Otto (Director) sold 145,399 shares between Aug 14 and Aug 17 at about $30.24 ($4.4M). Holdings down 2% to 7,265,820 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 18, 2026 |
| Aug 12–13, 2026 | Sale | Alexander Otto (Director) sold 231,943 shares between Aug 12 and Aug 13 at about $30.11 ($7.0M). Holdings down 3% to 7,411,219 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 14, 2026 |
| Aug 6–7, 2026 | Sale | Alexander Otto (Director) sold 129,841 shares between Aug 6 and Aug 7 at about $29.79 ($3.9M). Holdings down 2% to 7,643,162 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 10, 2026 |
| Aug 4–5, 2026 | Sale | Alexander Otto (Director) sold 173,057 shares between Aug 4 and Aug 5 at about $30.12 ($5.2M). Holdings down 2% to 7,773,003 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 6, 2026 |
| Jul 30, 2026 | Sale | Conor Fennerty (CFO) sold 55,105 shares at about $30.38 ($1.7M). Holdings down 26% to 153,909 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 31, 2026 |
| Mar 13–16, 2026 | Sale | David R Lukes (CEO and Director) sold 123,412 shares between Mar 13 and Mar 16 at about $26.82 ($3.3M). Holdings down 20% to 506,597 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 17, 2026 |
17 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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