CLFD's three largest insider shareholders as of April 25, 2026 are Ronald G Roth (Director, 1.28Mn shares), Cheryl Beranek (Chief Executive Officer, 513.79K shares), Cheryl Beranek (Chief Executive Officer, 512.04K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Ronald G Roth | - | 1,281,808 | 0 | 02 Mar, 2026 |
| Cheryl Beranek | Chief Executive Officer | 513,791 | 0 | 02 Dec, 2025 |
| Cheryl Beranek | Chief Executive Officer | 512,041 | 0 | 05 Jan, 2026 |
| Cheryl Beranek | Chief Executive Officer | 511,831 | 0 | 15 Dec, 2025 |
| John P Hill | Chief Operating Officer | 192,215 | 0 | 05 Jan, 2026 |
| John P Hill | Chief Operating Officer | 191,993 | 0 | 02 Dec, 2025 |
| John P Hill | Chief Operating Officer | 174,963 | 0 | 24 Nov, 2025 |
| Daniel R Herzog | Chief Financial Officer | 85,082 | 0 | 05 Jan, 2026 |
| Daniel R Herzog | Chief Financial Officer | 84,994 | 0 | 02 Dec, 2025 |
| Daniel R Herzog | Chief Financial Officer | 73,499 | 0 | 24 Nov, 2025 |
| Patrick Goepel | - | 43,407 | 0 | 27 Feb, 2024 |
| Roger G Harding | - | 30,021 | 0 | 06 Mar, 2024 |
| Anis Khemakhem | Chief Commercial Officer | 27,445 | 0 | 05 Jan, 2026 |
| Walter Louis Jr Jones | - | 11,073 | 0 | 02 Mar, 2026 |
| Donald R. Hayward | - | 10,870 | 0 | 20 Feb, 2026 |
| Carol Ann Wirsbinski | - | 9,631 | 0 | 02 Mar, 2026 |
| Catherine T. Kelly | - | 5,317 | 0 | 02 Mar, 2026 |
| Ademir Sarcevic | - | 5,317 | 0 | 02 Mar, 2026 |
| Rebecca Seidel | - | 2,870 | 0 | 02 Mar, 2026 |
| Kathleen Skarvan | - | 2,870 | 0 | 02 Mar, 2026 |
| Walter Louis Jr Jones | - | 159 | 0 | 20 Dec, 2021 |
| Carol Ann Wirsbinski | - | 159 | 0 | 09 Dec, 2021 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 27 Feb, 2026 | Rebecca Seidel | Common Stock | A | 2,544 | $0.00 | 2,870 | D | A |
| 27 Feb, 2026 | Catherine T. Kelly | Common Stock | A | 2,544 | $0.00 | 5,317 | D | A |
| 27 Feb, 2026 | Kathleen Skarvan | Common Stock | A | 2,544 | $0.00 | 2,870 | D | A |
| 27 Feb, 2026 | Ademir Sarcevic | Common Stock | A | 2,544 | $0.00 | 5,317 | D | A |
| 27 Feb, 2026 | Carol Ann Wirsbinski | Common Stock | A | 2,544 | $0.00 | 9,631 | D | A |
| 27 Feb, 2026 | Ronald G Roth | Common Stock | A | 2,544 | $0.00 | 1,281,808 | D | A |
| 27 Feb, 2026 | Walter Louis Jr Jones | Common Stock | A | 2,544 | $0.00 | 11,073 | D | A |
| 19 Feb, 2026 | Donald R. Hayward | Common Stock | D | 3,595 | $32.00 | 10,870 | D | S |
| 31 Dec, 2025 | Daniel R Herzog | Common Stock (ESPP) | A | 88 | $24.78 | 85,082 | D | A |
| 31 Dec, 2025 | John P Hill | Common Stock (ESPP) | A | 222 | $24.78 | 192,215 | D | A |
| 31 Dec, 2025 | Cheryl Beranek | Common Stock (ESPP) | A | 210 | $24.78 | 512,041 | D | A |
| 31 Dec, 2025 | Anis Khemakhem | Common Stock (ESPP) | A | 131 | $24.78 | 27,445 | D | A |
| 15 Dec, 2025 | Ronald G Roth | Common Stock | A | 10,000 | $30.06 | 1,279,264 | D | P |
| 11 Dec, 2025 | Cheryl Beranek | Common Stock | D | 1,960 | $0.00 | 511,831 | D | G |
| 10 Dec, 2025 | Kathleen Skarvan | Common Stock | A | 326 | $0.00 | 326 | D | A |
| 10 Dec, 2025 | Rebecca Seidel | Common Stock | A | 326 | $0.00 | 326 | D | A |
| 28 Nov, 2025 | John P Hill | Restricted Stock | A | 17,030 | $0.00 | 191,993 | D | A |
| 28 Nov, 2025 | Daniel R Herzog | Restricted Stock | A | 11,495 | $0.00 | 84,994 | D | A |
| 28 Nov, 2025 | Cheryl Beranek | Restricted Stock | A | 25,545 | $0.00 | 513,791 | D | A |
| 20 Nov, 2025 | Daniel R Herzog | Common Stock | A | 2,696 | $0.00 | 68,929 | D | A |