Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 64121N109 since 12/18/2024, largest first.
| Filer | % of Class | Filed | ||
|---|---|---|---|---|
| Steven D. Heinemann 13G/A | 5.3% |
8/12/2026
Event 6/30/2026
|
||
|
Cannell Capital LLC
13G
|
5.0% |
2/17/2026
Event 12/31/2025
|
||
| Cannell Capital LLC | 5.0% | |||
| Cannell J Carlo | 5.0% | |||
| Under 5%, checked the "5 percent or less" box, or amended by a later filing (1) | ||||
| Clayton Partners LLC 13G/A | 4.5% |
2/9/2026
Event 12/31/2025
|
||
| Period | Filings | Shares, Excl. Options | Value, Excl. Options |
|---|---|---|---|
| 2026 Q2 | 31 | 5.21 M | $7.65 M |
| 2026 Q1 | 25 | 4.82 M | $6.94 M |
| 2025 Q4 | 25 | 4.65 M | $6.09 M |
| 2025 Q3 | 29 | 4.68 M | $7.02 M |
| 2025 Q2 | 27 | 4.45 M | $5.43 M |
| 2025 Q1 | 28 | 4.64 M | $6.03 M |
| 2024 Q4 | 26 | 4.37 M | $5.81 M |
| 2024 Q3 | 24 | 4.96 M | $6.96 M |
| 2024 Q2 | 26 | 5.51 M | $9.81 M |
| 2024 Q1 | 27 | 5.77 M | $11.9 M |
| 2023 Q4 | 23 | 4.91 M | $10.7 M |
| 2023 Q3 | 19 | 4.82 M | $11.3 M |
| 2023 Q2 | 22 | 4.89 M | $11.3 M |
| 2023 Q1 | 19 | 4.75 M | $10.2 M |
| 2022 Q4 | 21 | 4.75 M | $10.4 M |
| 2022 Q3 | 23 | 5.01 M | $11.3 M |
| 2022 Q2 | 21 | 5.08 M | $12.2 M |
| 2022 Q1 | 22 | 5.15 M | $13.4 M |
| 2021 Q4 | 23 | 5.09 M | $14.4 M |
| 2021 Q3 | 22 | 4.07 M | $12.1 M |
| 2021 Q2 | 23 | 4.14 M | $13.5 M |
| 2021 Q1 | 21 | 4.30 M | $13.4 M |
| 2020 Q4 | 21 | 3.91 M | $14.4 M |
| 2020 Q3 | 21 | 3.22 M | $8.54 M |
| 2020 Q2 | 21 | 3.17 M | $6.86 M |
| 2020 Q1 | 20 | 3.14 M | $6.85 M |
| 2019 Q4 | 22 | 3.25 M | $7.08 M |
| 2019 Q3 | 20 | 3.18 M | $7.37 M |
| 2019 Q2 | 24 | 3.25 M | $8.13 M |
| 2019 Q1 | 22 | 3.22 M | $8.37 M |
| 2018 Q4 | 26 | 3.32 M | $7.40 M |
| 2018 Q3 | 28 | 3.48 M | $9.40 M |
| 2018 Q2 | 28 | 4.33 M | $13.4 M |
| 2018 Q1 | 32 | 3.81 M | $10.1 M |
| 2017 Q4 | 40 | 5.11 M | $12.3 M |
| 2017 Q3 | 36 | 5.53 M | $21.4 M |
| 2017 Q2 | 38 | 6.17 M | $26.2 M |
| 2017 Q1 | 41 | 4.85 M | $23.5 M |
| 2016 Q4 | 28 | 2.16 M | $7.35 M |
| 2016 Q3 | 21 | 1.77 M | $4.83 M |
| 2016 Q2 | 18 | 1.63 M | $4.35 M |
| 2016 Q1 | 14 | 1.60 M | $3.06 M |
| 2015 Q4 | 17 | 1.74 M | $3.64 M |
| 2015 Q3 | 15 | 1.67 M | $3.38 M |
| 2015 Q2 | 11 | 697 k | $1.19 M |
| 2015 Q1 | 11 | 834 k | $1.87 M |
| 2014 Q4 | 8 | 694 k | $1.53 M |
| 2014 Q3 | 1 | 15.1 k | $32.0 k |
| 2014 Q2 | 1 | 15.1 k | $31.0 k |
| 2014 Q1 | 1 | 15.1 k | $24.0 k |