Sean William Ostrower
Chief Financial Officer · Avalanche Treasury Corp
Individual
- 2026
- Sep 30, 2026
- 1
Filings (90d)
Other insiders active in the same sector
No other insider has filed at Sean William Ostrower's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- Jeffrey C. Sprecher - $66.35M in ICE purchases and sales in the last 12 months
- Robert L. Goldstein - $64.66M in BLK purchases and sales in the last 12 months
- David A. Viniar - $62.53M in GS purchases and sales in the last 12 months
- James Dimon - $61.36M in JPM purchases and sales in the last 12 months
- Nikhil Chandhok - $59.76M in CRCL purchases and sales in the last 12 months
- Meyer Malka - $55.31M in HOOD purchases and sales in the last 12 months
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Frequently asked questions
Who is Sean William Ostrower?
Sean William Ostrower is a corporate insider, tracked as Chief Financial Officer of Avalanche Treasury Corp (AVAT). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Sean William Ostrower submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
