🕵️ Curbline Properties Corp. ($CURB)
SEC insider & ownership activity, last 12 months · CIK 2027317 · every row links its SEC filing
Over the last 12 months insiders sold $46.9M with no open-market buying against it. Otto Alexander sold $41.9M (Aug–Sep). T. ROWE Price Investment Management, Inc. added 10.1% → 12.7%. No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 3 sellers, $46.9M (23 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Otto Alexander | 0 | – | 20 | $41.9M | Sep 14, 2026 |
| David R. Lukes | 0 | – | 2 | $3.3M | Mar 16, 2026 |
| Fennerty Conor | 0 | – | 1 | $1.7M | Jul 30, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| BlackRock, Inc. | 15.0% | 13G | Jul 30, 2026 | filing ↗ | |
| T. ROWE Price Investment Management, Inc. | 12.7% | 13G | Feb 17, 2026 | filing ↗ | |
| Vanguard Portfolio Management | 8.8% | 13G | Apr 29, 2026 | filing ↗ | |
| Alexander Otto | 6.4% | 13D | Aug 12, 2026 | filing ↗ | |
| State Street Corporation | 5.3% | 13G | Feb 5, 2025 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Otto Alexander | $45.4M | Aug 4, 2026 | filing ↗ |
| Fennerty Conor | $1.7M | Jul 30, 2026 | filing ↗ |
| David R. Lukes | $2.2M | Mar 16, 2026 | filing ↗ |
| David R. Lukes | $1.1M | Mar 13, 2026 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Agreement terminated (1.02) | Aug 12, 2026 | filing ↗ |
| Material Modifications to Rights of Security Holders (3.03) | Aug 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 12, 2026 | filing ↗ |
| Earnings (2.02) | Jul 28, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 28, 2026 | filing ↗ |
| Other events (8.01) | Jun 29, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 29, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 25, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 25, 2026 | filing ↗ |
| Material agreement (1.01) | Jun 2, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 2, 2026 | filing ↗ |
| Earnings (2.02) | Apr 28, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 28, 2026 | filing ↗ |
| Other events (8.01) | Feb 10, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 10, 2026 | filing ↗ |
| Earnings (2.02) | Feb 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 9, 2026 | filing ↗ |
| Material agreement (1.01) | Nov 12, 2025 | filing ↗ |
| New financial obligation (2.03) | Nov 12, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 12, 2025 | filing ↗ |
| Earnings (2.02) | Oct 28, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 28, 2025 | filing ↗ |
| Material agreement (1.01) | Oct 1, 2025 | filing ↗ |
| Other events (8.01) | Oct 1, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 1, 2025 | filing ↗ |
| Officer/director changes (5.02) | Sep 26, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 26, 2025 | filing ↗ |
| Shareholder vote (5.07) | May 7, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 7, 2025 | filing ↗ |