Optical Cable Corporation (OCC) ownership: Top institutional holder: GENDELL JEFFREY L ($3.44M). Insider activity: Net Seller (4 buys, 16 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| GENDELL JEFFREY L | 417440.00 | $3.44M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 211487.00 | $1.74M | 2026-03-31 |
| DIMENSIONAL FUND ADVISORS LP | 168211.00 | $1.39M | 2026-03-31 |
| VANGUARD GROUP INC | 251083.00 | $1.12M | 2025-12-31 |
| SEI INVESTMENTS CO | 91364.00 | $753753.00 | 2026-03-31 |
| RENAISSANCE TECHNOLOGIES LLC | 83303.00 | $687250.00 | 2026-03-31 |
| Informed Momentum Co LLC | 75074.00 | $619361.00 | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 72428.00 | $597882.00 | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.