Kooij Louise Frederika
Officer · NAMS
As of 2026-09-16, Kooij Louise Frederika has 68 Form 4 transactions on record across 1 company — 47 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.
Reconstructed holdings
- Direct $1.5M
- Indirect $0
| NAMS | direct | 70,494 sh | $1.5M |
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 |
|---|---|---|---|---|---|---|---|
| 2026-07-20 | NAMS | Sale | 70,200 @ $29.96 | $2.1M | −54.3% of holding | 59,153 | Form 4 |
| 2026-07-20 | NAMS | Sale | 31,885 @ $31.05 | $990K | −53.9% of holding | 27,268 | Form 4 |
| 2026-07-20 | NAMS | Sale | 2,915 @ $31.71 | $92K | −10.7% of holding | 24,353 | Form 4 |
| 2026-06-22 | NAMS | Sale | 39,700 @ $30.20 | $1.2M | −61.7% of holding | 24,653 | Form 4 |
| 2026-06-22 | NAMS | Sale | 300 @ $30.73 | $9K | −1.2% of holding | 24,353 | Form 4 |
| 2026-05-26 | NAMS | Sale | 65,000 @ $35.69 | $2.3M | −72.7% of holding | 24,353 | Form 4 |
| 2026-01-28 | NAMS | Sale | 32,612 @ $31.80 | $1.0M | −57.2% of holding | 24,353 | Form 4 |
| 2026-01-27 | NAMS | Sale | 39,816 @ $32.62 | $1.3M | −62.0% of holding | 24,353 | Form 4 |
| 2026-01-26 | NAMS | Sale | 34,091 @ $32.77 | $1.1M | −58.0% of holding | 24,662 | Form 4 |
| 2026-01-26 | NAMS | Sale | 309 @ $33.45 | $10K | −1.3% of holding | 24,353 | Form 4 |
| 2026-01-23 | NAMS | Sale | 25,405 @ $33.44 | $850K | −40.6% of holding | 37,120 | Form 4 |
| 2026-01-23 | NAMS | Sale | 12,767 @ $34.37 | $439K | −34.4% of holding | 24,353 | Form 4 |
| 2026-01-05 | NAMS | Sale | 2,647 @ $33.25 | $88K | −17.6% of holding | 12,353 | Form 4 |
| 2025-12-26 | NAMS | Sale | 43,872 @ $35.30 | $1.5M | −74.5% of holding | 15,000 | Form 4 |
| 2025-12-24 | NAMS | Sale | 26,011 @ $35.68 | $928K | −63.4% of holding | 15,000 | Form 4 |
| 2025-12-23 | NAMS | Sale | 75,117 @ $36.21 | $2.7M | −83.4% of holding | 15,000 | Form 4 |
| 2025-09-09 | NAMS | Sale | 96,896 @ $26.11 | $2.5M | −86.6% of holding | 15,000 | Form 4 |
| 2025-09-09 | NAMS | Sale | 53,104 @ $25.31 | $1.3M | −32.2% of holding | 111,896 | Form 4 |
| 2025-09-03 | NAMS | Sale | 18,073 @ $25.09 | $453K | −54.6% of holding | 15,000 | Form 4 |
| 2025-08-25 | NAMS | Sale | 8,269 @ $24.86 | $206K | −35.5% of holding | 15,000 | Form 4 |
| 2025-03-04 | NAMS | Sale | 150,000 @ $20.37 | $3.1M | −90.9% of holding | 15,000 | Form 4 |
47 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-07-20 | NAMS | Option exercise | 80,000 | 129,353 | Form 4 |
| 2026-07-20 | NAMS | Option exercise | 25,000 | 49,353 | Form 4 |
| 2026-07-20 | NAMS | Option exercise | 25,000 | 10,000 | Form 4 |
| 2026-07-20 | NAMS | Option exercise | 80,000 | 70,494 | Form 4 |
| 2026-06-22 | NAMS | Option exercise | 25,000 | 49,353 | Form 4 |
| 2026-06-22 | NAMS | Option exercise | 15,000 | 64,353 | Form 4 |
| 2026-06-22 | NAMS | Option exercise | 25,000 | 43,134 | Form 4 |
| 2026-06-22 | NAMS | Option exercise | 15,000 | 35,000 | Form 4 |
| 2026-05-26 | NAMS | Option exercise | 60,000 | 84,353 | Form 4 |
| 2026-05-26 | NAMS | Option exercise | 5,000 | 89,353 | Form 4 |
| 2026-05-26 | NAMS | Option exercise | 60,000 | 80,015 | Form 4 |
| 2026-05-26 | NAMS | Option exercise | 5,000 | 68,134 | Form 4 |
| 2026-01-28 | NAMS | Option exercise | 32,612 | 56,965 | Form 4 |
| 2026-01-28 | NAMS | Option exercise | 32,612 | 73,134 | Form 4 |
| 2026-01-27 | NAMS | Option exercise | 39,816 | 64,169 | Form 4 |
| 2026-01-27 | NAMS | Option exercise | 39,816 | 105,746 | Form 4 |
| 2026-01-26 | NAMS | Option exercise | 34,400 | 58,753 | Form 4 |
| 2026-01-26 | NAMS | Option exercise | 34,400 | 145,562 | Form 4 |
| 2026-01-23 | NAMS | Option exercise | 38,172 | 62,525 | Form 4 |
| 2026-01-23 | NAMS | Option exercise | 38,172 | 179,962 | Form 4 |
| 2026-01-07 | NAMS | Award / grant | 53,500 | 53,500 | Form 4 |
| 2026-01-07 | NAMS | Award / grant | 12,000 | 24,353 | Form 4 |
| 2026-01-07 | NAMS | Award / grant | 12,000 | 24,353 | Form 4 |
| 2025-12-26 | NAMS | Option exercise | 38,872 | 53,872 | Form 4 |
| 2025-12-26 | NAMS | Option exercise | 5,000 | 58,872 | Form 4 |
| 2025-12-26 | NAMS | Option exercise | 38,872 | 140,015 | Form 4 |
| 2025-12-26 | NAMS | Option exercise | 5,000 | 218,134 | Form 4 |
| 2025-12-24 | NAMS | Option exercise | 26,011 | 41,011 | Form 4 |
| 2025-12-24 | NAMS | Option exercise | 26,011 | 178,887 | Form 4 |
| 2025-12-23 | NAMS | Option exercise | 75,117 | 90,117 | Form 4 |
| 2025-12-23 | NAMS | Option exercise | 75,117 | 204,898 | Form 4 |
| 2025-09-09 | NAMS | Option exercise | 150,000 | 165,000 | Form 4 |
| 2025-09-09 | NAMS | Option exercise | 150,000 | 280,015 | Form 4 |
| 2025-09-02 | NAMS | Option exercise | 18,073 | 0 | Form 4 |
| 2025-09-02 | NAMS | Option exercise | 18,073 | 33,073 | Form 4 |
| 2025-09-02 | NAMS | Option exercise | 18,073 | 33,073 | Form 4 |
| 2025-03-26 | NAMS | Option exercise | 8,269 | 23,269 | Form 4 |
| 2025-03-26 | NAMS | Award / grant | 8,269 | 8,269 | Form 4 |
| 2025-03-26 | NAMS | Option exercise | 8,269 | 0 | Form 4 |
| 2025-03-26 | NAMS | Award / grant | 8,269 | 8,269 | 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.