Summary
Updated Aug 30, 2026
Diana Brainard files SEC Form 4 reports at NEKTAR THERAPEUTICS (NKTR). 5 SEC Form 4 filings on record going back to 2024, most recently on 30 September 2025. Most recent open-market trade: sold $5K of KLRS on 20 November 2024. Lifetime open-market sales: $23K.
Recent Transactions
4Every recent SEC Form 4 transaction Diana Brainard has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Diana Brainard 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.
- Srinivas Akkaraju - $6.18M of KLRS open-market activity in the last 12 months
- Howard W. Robin - $2.21M of NKTR open-market activity in the last 12 months
- Jonathan Zalevsky - $1.05M of NKTR open-market activity in the last 12 months
- Mark Andrew Wilson - $34K of NKTR open-market activity in the last 12 months
- Brett R. Hagen - $13K of KLRS 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 Diana Brainard?
Diana Brainard is a corporate insider of NEKTAR THERAPEUTICS (NKTR). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Diana Brainard last file a Form 4?
The most recent primary Form 4 on record is dated 30 September 2025, one of 5 filings going back to 2024.
Has Diana Brainard been buying or selling stock?
Recorded transactions: 0 open-market purchases and 4 open-market sales ($23K) across all tracked filings.
Where can I see all of Diana Brainard'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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