Summary
Updated Aug 31, 2026
Pc Nelson Griggs is Pres. Capital Access Platforms of NASDAQ, INC. (NDAQ). 15 SEC Form 4 filings on record going back to 2024, most recently on 12 August 2026. Most recent open-market trade: sold $310K of NDAQ on 12 August 2026. Lifetime open-market sales: $6.51M.
Recent Transactions
20Every recent SEC Form 4 transaction Pc Nelson Griggs has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Pc Nelson Griggs go back to 2024: 15 primary Form 4 filings, an average of 5.0 per year. 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 Pc Nelson Griggs 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.
- Adena T. Friedman - $76.06M of NDAQ open-market activity in the last 12 months
- Ab Investor - $20.72M of NDAQ open-market activity in the last 12 months
- Bradley J. Peterson - $1.78M of NDAQ open-market activity in the last 12 months
- Bryan Everard Smith - $1.59M of NDAQ open-market activity in the last 12 months
- Cohen Tal - $1.41M of NDAQ open-market activity in the last 12 months
- Jeremy Skule - $966K of NDAQ 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 Pc Nelson Griggs?
Pc Nelson Griggs is a corporate insider, tracked as Pres. Capital Access Platforms of NASDAQ, INC. (NDAQ). InsiderAlpha holds 15 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 Pc Nelson Griggs submitted recently?
3 primary Form 4 filings in the last 90 days, covering 1 company.
Has Pc Nelson Griggs been buying or selling stock?
Recorded transactions: 0 open-market purchases and 13 open-market sales ($6.51M) across all tracked filings.
Where can I see all of Pc Nelson Griggs'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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