Summary
Updated Aug 31, 2026
James E. Flynn is Director, 10% Owner of Nuvalent, Inc. (NUVL). 14 SEC Form 4 filings on record going back to 2024, most recently on 17 July 2026. Most recent open-market trade: bought $10.00M of LRMR on 3 March 2026. Lifetime open-market purchases: $55.00M. Lifetime open-market sales: $290.18M. Historical track record: 1/5 stars across 7 tracked purchases.
Recent Transactions
20Every recent SEC Form 4 transaction James E. Flynn has reported, most recent first.
Track Record
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realized performance after each tracked open-market purchase.
| Metric | Value |
|---|---|
| InsiderAlpha rating | ★☆☆☆☆ (1/5) |
| Total purchases tracked | 7 |
| Purchases with forward-return data | 7 |
| 30-day win rate | 43% |
| 90-day win rate | 43% |
| Avg 5-day return | +4.97% |
| Avg 30-day return | -7.66% |
| Avg 90-day return | -9.06% |
| Best 30-day return | +7.23% |
Trading Pattern
InsiderAlpha's records for James E. Flynn go back to 2024: 14 primary Form 4 filings, an average of 4.7 per year. The typical open-market purchase is $7.86M (7 buys totaling $55.00M). The largest single buy on record is $10.84M of LRMR in 2025. Sales side: 14 recorded sales totaling $290.18M, so the filing history runs sell-heavy by dollar value. 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.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies James E. Flynn 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.
- RA CAPITAL MANAGEMENT, L.P. - $430.69M of PBLS open-market activity in the last 12 months
- James Richard Porter - $22.75M of NUVL open-market activity in the last 12 months
- Alexandra Balcom - $18.60M of NUVL open-market activity in the last 12 months
- Deborah Ann Miller - $13.40M of NUVL open-market activity in the last 12 months
- Darlene Noci - $11.08M of NUVL open-market activity in the last 12 months
- Guy Levy - $10.00M of PBLS 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 James E. Flynn?
James E. Flynn is a corporate insider, tracked as Director, 10% Owner of Nuvalent, Inc. (NUVL). InsiderAlpha holds 14 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has James E. Flynn submitted recently?
3 primary Form 4 filings in the last 90 days, covering 2 companies.
Has James E. Flynn been buying or selling stock?
Recorded transactions: 7 open-market purchases ($55.00M) and 14 open-market sales ($290.18M) across all tracked filings.
How accurate is James E. Flynn's historical track record?
Across 7 tracked purchases, James E. Flynn averaged -7.7% avg 30-day return with a 43% 30-day win rate. InsiderAlpha rates the track record at 1/5 stars.
Where can I see all of James E. Flynn'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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