Optical Cable Corporation (OCC) ownership: Lightera, LLC 30% · institutions 18% · index and ETF funds 2% (13F 2026-03-31). Insider activity, 90 days: 62 sales, 0 open-market buys. SEC EDGAR first-party data.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| Gendell Jeffrey L | 417440.00 | $3.44M | 4.7% | 2026-03-31 |
| Vanguard | 248148.00 | $2.05M | 2.8% | 2026-03-31 |
| Dimensional Fund Advisors | 168211.00 | $1.39M | 1.9% | 2026-03-31 |
| SEI Investments | 91364.00 | $753753.00 | 1.0% | 2026-03-31 |
| Renaissance Technologies | 83303.00 | $687250.00 | 0.9% | 2026-03-31 |
| Informed Momentum Co LLC | 75074.00 | $619361.00 | 0.9% | 2026-03-31 |
| Geode Capital Management | 72428.00 | $597882.00 | 0.8% | 2026-03-31 |
| Two Sigma | 70669.00 | $583019.00 | 0.8% | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-30 | |
| Sell | null | 2026-06-30 | |
| Sell | null | 2026-06-29 | |
| Sell | null | 2026-06-29 | |
| Sell | null | 2026-06-29 | |
| Sell | null | 2026-06-29 | |
| Sell | null | 2026-06-29 | |
| Sell | null | 2026-06-29 |
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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.