Summary
Updated Aug 31, 2026
Nello Mainolfi is Chief Executive Officer of Kymera Therapeutics, Inc. (KYMR). 11 SEC Form 4 filings on record going back to 2025, most recently on 8 July 2026. Most recent open-market trade: sold $5.95M of KYMR on 8 July 2026. Lifetime open-market sales: $34.88M.
Recent Transactions
20Every recent SEC Form 4 transaction Nello Mainolfi has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Nello Mainolfi go back to 2025: 11 primary Form 4 filings, an average of 5.5 per year. 35 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Nello Mainolfi files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- BVF PARTNERS L P - $173.67M of KYMR open-market activity in the last 12 months
- BAKER BROS. ADVISORS LP - $172.50M of KYMR open-market activity in the last 12 months
- Bruce Booth - $100.59M of KYMR open-market activity in the last 12 months
- Jeremy G. Chadwick - $15.60M of KYMR open-market activity in the last 12 months
- Bruce N. Jacobs - $13.92M of KYMR open-market activity in the last 12 months
- Jared Gollob - $9.13M of KYMR 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 Nello Mainolfi?
Nello Mainolfi is a corporate insider, tracked as Chief Executive Officer of Kymera Therapeutics, Inc. (KYMR). InsiderAlpha holds 11 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 Nello Mainolfi submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Nello Mainolfi been buying or selling stock?
Recorded transactions: 0 open-market purchases and 21 open-market sales ($34.88M) across all tracked filings.
Where can I see all of Nello Mainolfi'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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