Richardson Nina
Director · COHU, REZI, SLAB
As of 2026-09-16, Richardson Nina has 11 Form 4 transactions on record across 3 companies — 5 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 August in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
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 |
|---|---|---|---|---|---|---|---|
| 2026-08-05 | COHU | Sale | 3,055 @ $51.54 | $157K | −7.2% of holding | 39,093 | Form 4 |
| 2026-01-13 | SLAB | Sale | 1,355 @ $149.00 | $202K | −13.7% of holding | 8,543 | Form 4 |
| 2025-08-26 | REZI | Sale | 3,333 @ $34.55 | $115K | −5.2% of holding | 60,675 | Form 4 |
| 2025-08-12 | REZI | Sale | 2,789 @ $29.67 | $83K | −4.6% of holding | 57,886 | Form 4 |
| 2025-07-07 | REZI | Sale | 2,790 @ $23.68 | $66K | −4.2% of holding | 64,008 | Form 4 |
6 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-06-03 | REZI | Award / grant | 5,468 | 63,354 | Form 4 |
| 2026-05-15 | COHU | Award / grant | 3,578 | 42,148 | Form 4 |
| 2026-04-23 | SLAB | Award / grant | 962 | 9,505 | Form 4 |
| 2025-06-04 | REZI | Award / grant | 7,887 | 66,798 | Form 4 |
| 2025-05-16 | COHU | Award / grant | 10,257 | 38,570 | Form 4 |
| 2025-04-24 | SLAB | Award / grant | 1,843 | 9,898 | 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.