Jennifer Koester is a corporate insider, tracked as President & COO, Sphere of Sphere Entertainment Co. (SPHR). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Jennifer Koester submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Jennifer Koester is President & COO, Sphere of Sphere Entertainment Co. (SPHR). 4 SEC Form 4 filings on record going back to 2025, most recently on 17 September 2026.
Recent transactions
12
The latest 12 SEC Form 4 transactions reported by Jennifer Koester.
InsiderAlpha's records for Jennifer Koester go back to 2025: 4 primary Form 4 filings, an average of 2.0 per year. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.