Griggs PC Nelson
Officer · NDAQ
As of 2026-09-16, Griggs PC Nelson has 20 Form 4 transactions on record across 1 company — 11 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in May in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $17.9M
- Indirect $0
| NDAQ | direct | 201,775 sh | $17.9M |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-10 | NDAQ | Sale | 3,226 @ $96.16 | $310K | −1.6% of holding | 201,775 | Form 4 |
| 2026-07-29 | NDAQ | Sale | 11,010 @ $96.35 | $1.1M | −5.1% of holding | 205,001 | Form 4 |
| 2026-07-27 | NDAQ | Sale | 11,010 @ $93.96 | $1.0M | −4.8% of holding | 216,011 | Form 4 |
| 2026-07-24 | NDAQ | Sale | 6,777 @ $92.53 | $627K | −2.9% of holding | 227,021 | Form 4 |
| 2026-05-18 | NDAQ | Sale | 5,093 @ $92.62 | $472K | −2.1% of holding | 233,798 | Form 4 |
| 2025-06-06 | NDAQ | Sale | 4,000 @ $85.22 | $341K | −1.9% of holding | 207,405 | Form 4 |
| 2025-05-27 | NDAQ | Sale | 5,000 @ $83.27 | $416K | −2.3% of holding | 211,405 | Form 4 |
| 2025-05-27 | NDAQ | Sale | 3,000 @ $82.63 | $248K | −1.4% of holding | 216,405 | Form 4 |
12 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-04-03 | NDAQ | Withheld for tax | 1,565 | 238,891 | Form 4 |
| 2026-04-01 | NDAQ | Withheld for tax | 3,308 | 240,456 | Form 4 |
| 2026-04-01 | NDAQ | Award / grant | 11,743 | 243,764 | Form 4 |
| 2026-02-11 | NDAQ | Withheld for tax | 20,674 | 219,179 | Form 4 |
| 2026-02-11 | NDAQ | Award / grant | 43,932 | 239,853 | Form 4 |
| 2026-02-11 | NDAQ | Award / grant | 12,842 | 232,021 | Form 4 |
| 2025-07-01 | NDAQ | Withheld for tax | 11,484 | 195,921 | Form 4 |
| 2025-04-03 | NDAQ | Withheld for tax | 1,564 | 219,405 | Form 4 |
| 2025-04-01 | NDAQ | Withheld for tax | 2,206 | 220,969 | Form 4 |
| 2025-04-01 | NDAQ | Award / grant | 11,835 | 223,175 | Form 4 |
| 2025-02-19 | NDAQ | Withheld for tax | 12,501 | 211,340 | Form 4 |
| 2025-02-19 | NDAQ | Award / grant | 28,020 | 223,841 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.