Summary
Updated Aug 31, 2026
Sukumar Nagendran is President and Head of R&D of Taysha Gene Therapies, Inc. (TSHA). 8 SEC Form 4 filings on record going back to 2025, most recently on 10 July 2026. Most recent open-market trade: sold $1.25M of TSHA on 10 July 2026. Lifetime open-market sales: $6.13M.
Recent Transactions
17Every recent SEC Form 4 transaction Sukumar Nagendran has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Sukumar Nagendran go back to 2025: 8 primary Form 4 filings, an average of 4.0 per year. 11 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 Sukumar Nagendran 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.
- Alexander Cumbo - $984K of SLDB open-market activity in the last 12 months
- Sean P. Nolan - $840K of TSHA open-market activity in the last 12 months
- Kamran Alam - $493K of TSHA open-market activity in the last 12 months
- David T. Howton - $434K of SLDB open-market activity in the last 12 months
- Kevin Tan - $330K of SLDB open-market activity in the last 12 months
- Jessie Hanrahan - $297K of SLDB 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 Sukumar Nagendran?
Sukumar Nagendran is a corporate insider, tracked as President and Head of R&D of Taysha Gene Therapies, Inc. (TSHA). InsiderAlpha holds 8 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 Sukumar Nagendran submitted recently?
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Has Sukumar Nagendran been buying or selling stock?
Recorded transactions: 0 open-market purchases and 9 open-market sales ($6.13M) across all tracked filings.
Where can I see all of Sukumar Nagendran'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.
Learn More
Follow Sukumar Nagendran and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial