Alexander Otto - SEC Form 4 Insider Trading Activity
Director
Summary
Updated Aug 16, 2026
Alexander Otto has filed 3 SEC Form 4 filings across 1 company in the last 90 days - selling. Lifetime open-market sales: $16.07M.
Profile
Alexander Otto is a corporate insider at Curbline Properties Corp. (CURB). Otto has reported 2 insider filings with the SEC since 2024. The most recent filing was in October 2024.
- Role
- Director
Board memberships
- Curbline Properties Corp.
Trading Pattern
InsiderAlpha's records for Alexander Otto go back to 2024: 5 primary Form 4 filings, an average of 1.7 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Career & Filing History
Every role Alexander Otto has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- Director at Curbline Properties Corp. (CURB) - 3 filings, 2026
- Insider at Curbline Properties Corp. (CURB) - 2 filings, 2024
Recent Transactions
8Companies - Last 90 Days
1- Curbline Properties Corp. (CURB) - 3 filings, last 2026-08-14
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Alexander Otto has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- David R. Lukes - $3.31M of CURB open-market activity in the last 12 months
- Conor Fennerty - $1.67M of CURB open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Alexander Otto?
Alexander Otto is a corporate insider at Curbline Properties Corp. (CURB). Otto has reported 2 insider filings with the SEC since 2024. The most recent filing was in October 2024.…
How many SEC Form 4 filings has Alexander Otto submitted recently?
3 primary Form 4 filings in the last 90 days, covering 1 company.
Has Alexander Otto been buying or selling stock?
Recorded transactions: 0 open-market purchases and 7 open-market sales ($16.07M) across all tracked filings.
Where can I see all of Alexander Otto's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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