Filings (90d)
0
Purchases
6
Sales
0
Summary
Latest filing:
Christopher Zook has 7 SEC Form 4 filings on record going back to 2025, most recently on 5 October 2026. Lifetime open-market purchases: $3.16M.
Recent transactions
6Most active insiders across the market
Christopher Zook has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- TCO GROUP HOLDINGS, L.P. - $92.50M in INNV purchases and sales in the last 90 days
- Shay Banon - $92.28M in ESTC purchases and sales in the last 90 days
- Emily M. Leproust - $91.86M in TWST purchases and sales in the last 90 days
- Dhiraj Mallick - $89.44M in CBRS purchases and sales in the last 90 days
- SUMMIT PARTNERS L P - $88.55M in KVYO purchases and sales in the last 90 days
- Ronald Clarke - $88.51M in CPAY purchases and sales in the last 90 days
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Frequently asked questions
Who is Christopher Zook?
Christopher Zook is a corporate insider. InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Christopher Zook last file a Form 4?
The most recent primary Form 4 on record is dated 5 October 2026, one of 7 filings going back to 2025.
Has Christopher Zook been buying or selling stock?
Recorded transactions: 6 open-market purchases ($3.16M) and 0 open-market sales across all tracked filings.