NASDAQ : EFOI
-$0.01 (-0.28%)
NUMBER OF INSIDERS BUYING (LAST 12 MONTHS)
NUMBER OF INSIDERS SELLING (LAST 12 MONTHS)
AMOUNT OF INSIDER SELLING (LAST 12 MONTHS)
| Insider Name | Title | Date | Transaction | Cost | Filing Date |
|---|---|---|---|---|---|
| Huang Chiao Chieh | director, 10 percent owner, officer: Chief Executive Officer | 2025-11-26 | P-Purchase | 2.29 | 2025-12-31 |
| Huang Chiao Chieh | director, 10 percent owner, officer: Chief Executive Officer | 2025-08-15 | P-Purchase | 1.89 | 2025-08-19 |
| Huang Chiao Chieh | director, 10 percent owner, officer: Chief Executive Officer | 2025-06-23 | P-Purchase | 1.81 | 2025-06-23 |
| Huang Chiao Chieh | director, 10 percent owner, officer: Chief Executive Officer | 2025-03-27 | P-Purchase | 1.93 | 2025-06-23 |
| Lee Shou-Jang | director: | 2023-06-29 | 0 | 2023-08-08 | |
| Huang Chiao Chieh | director, 10 percent owner: | 2023-06-29 | A-Award | 1.76 | 2023-08-08 |
| Gianas Randy Harrison | officer: VP Operations & Engineering | 2023-04-28 | A-Award | 3.04 | 2023-08-08 |
| Gianas Randy Harrison | officer | 2023-04-28 | 0 | 2023-08-08 | |
| Warren James Raymond III | officer: SVP, GC & Corp. Secretary | 2023-04-28 | A-Award | 0.434 | 2023-05-02 |
| Matt Lesley A. | officer: Chief Executive Officer | 2023-04-28 | A-Award | 0.434 | 2023-05-02 |
| Huang Chiao Chieh | director, 10 percent owner: | 2023-03-28 | A-Award | 0.5609 | 2023-04-04 |
| Huang Gina | director, 10 percent owner: | 2023-03-30 | A-Award | 0.5 | 2023-04-04 |
| Huang Gina | director, 10 percent owner: | 2023-02-24 | A-Award | 0.498 | 2023-02-28 |
| Chang Wen-Jeng | director: | 2023-02-16 | 0 | 2023-02-28 | |
| Huang Chiao Chieh | director, 10 percent owner: | 2023-01-17 | 0 | 2023-02-28 | |
| Huang Chiao Chieh | director, 10 percent owner: | 2023-01-17 | 0 | 2023-02-28 | |
| Huang Gina | director, 10 percent owner: | 2023-01-17 | A-Award | 0.563 | 2023-02-28 |
| Huang Gina | director | 2023-01-10 | A-Award | 0.4604 | 2023-01-12 |
| Huang Gina | director | 2023-01-05 | A-Award | 0.3879 | 2023-01-09 |
| Griffin Clifford R. | officer: SVP, Corp. Controller & CAO | 2022-08-01 | A-Award | 0.7418 | 2022-08-23 |
| Griffin Clifford R. | officer | 2022-08-01 | 0 | 2022-08-23 | |
| Socolof Stephen | director, officer: Chairman and Interim CEO | 2022-06-22 | M-Exempt | 0 | 2022-06-23 |
| Socolof Stephen | officer: Chairman and Interim CEO | 2022-06-22 | M-Exempt | 0 | 2022-06-23 |
| Politziner Philip | director: | 2022-06-22 | M-Exempt | 0 | 2022-06-23 |
| Politziner Philip | director | 2022-06-22 | M-Exempt | 0 | 2022-06-23 |
| Lagarto Brian J | director: | 2022-06-22 | M-Exempt | 0 | 2022-06-23 |
| Parker Jeffery Robert | director: | 2022-06-22 | M-Exempt | 0 | 2022-06-23 |
| Parker Jeffery Robert | director | 2022-06-22 | M-Exempt | 0 | 2022-06-23 |
| Huang Gina | director, 10 percent owner: | 2022-06-22 | M-Exempt | 0 | 2022-06-23 |
| Huang Gina | director, 10 percent owner: | 2022-06-22 | M-Exempt | 0 | 2022-06-23 |
| Brilliant Start Enterprise, Inc. | director: | 2022-06-22 | M-Exempt | 0 | 2022-06-23 |
| Cheng Jennifer Y | director | 2022-06-22 | M-Exempt | 0 | 2022-06-23 |
| Cheng Jennifer Y | director: | 2022-06-22 | M-Exempt | 0 | 2022-06-23 |
| Parker Jeffery Robert | director | 2022-02-22 | A-Award | 0 | 2022-03-16 |
| Parker Jeffery Robert | director: | 2022-02-22 | 0 | 2022-03-16 | |
| Lagarto Brian J | director | 2022-02-19 | A-Award | 0 | 2022-03-01 |
| Lagarto Brian J | director: | 2022-02-19 | 0 | 2022-03-01 | |
| Galluccio Gregory S | officer: Sr. VP, Product Mgmt & Engin. | 2022-02-11 | A-Award | 1.48 | 2022-02-23 |
| Galluccio Gregory S | officer: Sr. VP, Product Mgmt & Engin. | 2022-08-17 | 2.97 | 2022-02-23 | |
| Huang Gina | director, 10 percent owner: | 2022-02-11 | A-Award | 0 | 2022-02-17 |
| Warren James Raymond III | officer: SVP, GC & Corp. Secretary | 2022-02-11 | A-Award | 1.48 | 2022-02-17 |
| Politziner Philip | director | 2022-02-11 | A-Award | 0 | 2022-02-15 |
| Socolof Stephen | director, officer: Interim CEO | 2022-02-11 | A-Award | 0 | 2022-02-15 |
| NESTOR TOD A | officer: COO and CFO | 2022-02-11 | A-Award | 1.48 | 2022-02-15 |
| Cheng Jennifer Y | director | 2022-02-11 | A-Award | 0 | 2022-02-15 |
| Warren James Raymond III | officer: SVP, GC & Corp. Secretary | 2021-09-28 | M-Exempt | 0 | 2021-09-29 |
| Warren James Raymond III | officer: SVP, GC & Corp. Secretary | 2021-09-28 | M-Exempt | 0 | 2021-09-29 |
| Politziner Philip | director | 2021-08-25 | P-Purchase | 3.35 | 2021-08-27 |
| Socolof Stephen | director | 2021-08-18 | P-Purchase | 2.8 | 2021-08-20 |
| Tu James | director, 10 percent owner, officer: Chairman and CEO | 2021-08-16 | P-Purchase | 2.7 | 2021-08-18 |
| Cheng Jennifer Y | director | 2021-05-26 | M-Exempt | 0 | 2021-05-27 |
| Cheng Jennifer Y | director | 2021-05-26 | M-Exempt | 0 | 2021-05-27 |
| Socolof Stephen | director | 2021-05-26 | M-Exempt | 0 | 2021-05-27 |
| Socolof Stephen | director | 2021-05-26 | M-Exempt | 0 | 2021-05-27 |
| Huang Gina | director, 10 percent owner: | 2021-05-26 | M-Exempt | 0 | 2021-05-27 |
| Huang Gina | director, 10 percent owner: | 2021-05-26 | M-Exempt | 0 | 2021-05-27 |
| Politziner Philip | director | 2021-05-26 | M-Exempt | 0 | 2021-05-27 |
| Politziner Philip | director | 2021-05-26 | M-Exempt | 0 | 2021-05-27 |
| McManus Geraldine | director | 2021-05-26 | M-Exempt | 0 | 2021-05-27 |
| McManus Geraldine | director | 2021-05-26 | M-Exempt | 0 | 2021-05-27 |
| Tu James | director, 10 percent owner, officer: Chairman and CEO | 2021-04-01 | C-Conversion | 0 | 2021-04-05 |
| Tu James | director, 10 percent owner, officer: Chairman and CEO | 2021-04-01 | C-Conversion | 0 | 2021-04-05 |
| Huang Gina | director, 10 percent owner: | 2021-03-24 | A-Award | 0 | 2021-03-26 |
| NESTOR TOD A | officer: President, CFO | 2021-02-19 | A-Award | 5.59 | 2021-02-23 |
| McManus Geraldine | director | 2021-02-19 | A-Award | 0 | 2021-02-23 |
| Warren James Raymond III | officer: SVP, GC & Corp. Secretary | 2021-02-19 | A-Award | 5.59 | 2021-02-23 |
| Cheng Jennifer Y | director | 2021-02-19 | A-Award | 0 | 2021-02-23 |
| Socolof Stephen | director | 2021-02-19 | A-Award | 0 | 2021-02-23 |
| Politziner Philip | director | 2021-02-19 | A-Award | 0 | 2021-02-23 |
| Tu James | director, 10 percent owner, officer: Chairman and CEO | 2021-02-19 | A-Award | 5.59 | 2021-02-23 |
| NESTOR TOD A | officer: President, CFO | 2020-12-28 | M-Exempt | 2.1 | 2020-12-29 |
| NESTOR TOD A | officer: President, CFO | 2020-12-28 | M-Exempt | 2.1 | 2020-12-29 |
| Warren James Raymond III | officer: SVP, GC & Corp. Secretary | 2020-11-11 | 0 | 2020-11-13 | |
| Warren James Raymond III | officer: SVP, GC & Corp. Secretary | 2020-11-11 | 7.14 | 2020-11-13 | |
| Huang Gina | director, 10 percent owner: | 2020-09-17 | M-Exempt | 0 | 2020-09-17 |
| Huang Gina | director, 10 percent owner: | 2020-09-17 | M-Exempt | 0 | 2020-09-17 |
| Socolof Stephen | director | 2020-09-17 | M-Exempt | 0 | 2020-09-17 |
| Socolof Stephen | director | 2020-09-17 | M-Exempt | 0 | 2020-09-17 |
| Cheng Jennifer Y | director | 2020-09-17 | M-Exempt | 0 | 2020-09-17 |
| Cheng Jennifer Y | director | 2020-09-17 | M-Exempt | 0 | 2020-09-17 |
| Politziner Philip | director | 2020-09-17 | M-Exempt | 0 | 2020-09-17 |
| Politziner Philip | director | 2020-09-17 | M-Exempt | 0 | 2020-09-17 |
| McManus Geraldine | director | 2020-09-17 | M-Exempt | 0 | 2020-09-17 |
| McManus Geraldine | director | 2020-09-17 | M-Exempt | 0 | 2020-09-17 |
| Cheng Jennifer Y | director | 2020-03-18 | A-Award | 0 | 2020-04-20 |
| McManus Geraldine | director | 2020-03-18 | A-Award | 0 | 2020-04-20 |
| NESTOR TOD A | officer: President, CFO | 2020-04-15 | P-Purchase | 0.3673 | 2020-04-15 |
| NESTOR TOD A | officer: President, CFO | 2020-04-14 | P-Purchase | 0.3694 | 2020-04-15 |
| NESTOR TOD A | officer: President, CFO | 2020-04-13 | P-Purchase | 0.3188 | 2020-04-15 |
| Politziner Philip | director | 2020-04-13 | P-Purchase | 0.31 | 2020-04-15 |
| Huang Gina | director, 10 percent owner: | 2020-03-18 | A-Award | 0 | 2020-03-23 |
| Tu James | director, 10 percent owner, officer: Chairman and CEO | 2020-03-18 | A-Award | 0.3 | 2020-03-23 |
| NESTOR TOD A | officer: President, CFO | 2020-03-18 | A-Award | 0.3 | 2020-03-20 |
| Socolof Stephen | director | 2020-03-18 | A-Award | 0 | 2020-03-20 |
| Politziner Philip | director | 2020-03-18 | A-Award | 0 | 2020-03-20 |
| Tu James | director, 10 percent owner, officer: CEO & Chairman | 2020-01-16 | C-Conversion | 0 | 2020-01-30 |
| Tu James | director, 10 percent owner, officer: CEO & Chairman | 2020-01-16 | C-Conversion | 0 | 2020-01-30 |
| Socolof Stephen | director | 2019-12-17 | M-Exempt | 0 | 2019-12-18 |
| Socolof Stephen | director | 2019-11-12 | A-Award | 0 | 2019-12-18 |
| Socolof Stephen | director | 2019-12-17 | M-Exempt | 0 | 2019-12-18 |