Robert J. Perna, SVP, General Counsel and Secretary of Knowles Corp ($KN), sold shares on the open market five times over the last 365 days, totaling $1.7 million. His most recent sale occurred on February 26, 2026. These sales rank him 3,808th among 11,678 insiders by total value sold, below the average of $8.6 million across 6.4 transactions per insider. Perna made no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 24, 2026 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | S | Common Stock | 7422 | $28.10 | 80,272.0000 | 88,000,000 | 8.46% | 0.01% |
| Feb. 26, 2026 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | S | Common Stock | 9221 | $27.88 | 80,272.0000 | 88,000,000 | 10.30% | 0.01% |
| Feb. 20, 2026 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | F | Common Stock | 3086 | $27.54 | 96,915.0000 | 88,000,000 | 3.09% | 0.00% |
| Feb. 17, 2026 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | A | Common Stock | 13817 | $0.00 | 102,819.0000 | 88,000,000 | 15.52% | 0.02% |
| Feb. 17, 2026 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | F | Common Stock | 15384 | $27.14 | 89,002.0000 | 88,000,000 | 14.74% | 0.02% |
| Feb. 18, 2026 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | F | Common Stock | 2818 | $27.16 | 100,001.0000 | 88,000,000 | 2.74% | 0.00% |
| Feb. 17, 2026 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | A | Common Stock | 34725 | $27.14 | 104,386.0000 | 88,000,000 | 49.85% | 0.04% |
| Feb. 6, 2026 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | F | Common Stock | 2946 | $26.98 | 72,827.0000 | 88,000,000 | 3.89% | 0.00% |
| Feb. 10, 2026 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | S | Common Stock | 3166 | $27.09 | 69,661.0000 | 88,000,000 | 4.35% | 0.00% |
| March 20, 2025 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | G | Common Stock | 9221 | $0.00 | 75,773.0000 | 90,100,000 | 10.85% | 0.01% |
| July 28, 2025 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | M | Common Stock | 26718 | $17.39 | 102,491.0000 | 90,100,000 | 35.26% | 0.03% |
| July 28, 2025 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | S | Common Stock | 26718 | $20.47 | 75,773.0000 | 90,100,000 | 26.07% | 0.03% |
| July 28, 2025 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | M | Common Stock | 29412 | $16.77 | 105,185.0000 | 90,100,000 | 38.82% | 0.03% |
| July 28, 2025 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | S | Common Stock | 29412 | $20.47 | 75,773.0000 | 90,100,000 | 27.96% | 0.03% |
| March 20, 2025 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | G | Common Stock | 9221 | $0.00 | 75,773.0000 | 90,100,000 | 13.86% | 0.01% |
| July 28, 2025 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | M | Non-Qualified Stock Option (right to buy) | 29412 | $16.77 | 0.0000 | 90,100,000 | 100.00% | 0.03% |
| July 28, 2025 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | M | Non-Qualified Stock Option (right to buy) | 26718 | $17.39 | 0.0000 | 90,100,000 | 100.00% | 0.03% |
| Feb. 26, 2025 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | S | Common Stock | 10009 | $17.02 | 75,773.0000 | 90,100,000 | 11.67% | 0.01% |
| Feb. 20, 2025 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | F | Common Stock | 3086 | $17.84 | 85,782.0000 | 90,100,000 | 3.47% | 0.00% |
| Feb. 18, 2025 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | A | Common Stock | 16556 | $18.34 | 77,119.0000 | 90,100,000 | 27.34% | 0.02% |
| Feb. 18, 2025 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | F | Common Stock | 7335 | $18.34 | 69,784.0000 | 90,100,000 | 9.51% | 0.01% |
| Feb. 18, 2025 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | A | Common Stock | 19084 | $0.00 | 88,868.0000 | 90,100,000 | 27.35% | 0.02% |
| Feb. 6, 2025 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | F | Common Stock | 3032 | $18.56 | 63,031.0000 | 90,100,000 | 4.59% | 0.00% |
| Feb. 7, 2025 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | F | Common Stock | 2468 | $18.22 | 60,563.0000 | 90,100,000 | 3.92% | 0.00% |
| March 4, 2024 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | G | Common Stock | 6116 | $0.00 | 66,063.0000 | 91,600,000 | 8.47% | 0.01% |
| March 4, 2024 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | G | Common Stock | 6116 | $0.00 | 87,143.0000 | 91,600,000 | 7.55% | 0.01% |
| Nov. 4, 2024 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | S | Common Stock | 21080 | $17.56 | 66,063.0000 | 90,200,000 | 24.19% | 0.02% |
| Feb. 20, 2024 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | A | Common Stock | 20896 | $0.00 | 87,143.0000 | 91,600,000 | 31.54% | 0.02% |
| Feb. 13, 2023 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | G | Common Stock | 3073 | $0.00 | 66,247.0000 | 92,800,000 | 4.86% | 0.00% |
| Feb. 7, 2024 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | F | Common Stock | 2482 | $16.52 | 66,247.0000 | 91,600,000 | 3.61% | 0.00% |
| Feb. 6, 2024 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | F | Common Stock | 3032 | $16.52 | 68,729.0000 | 91,600,000 | 4.23% | 0.00% |
| Feb. 13, 2023 | Knowles Corp | $KN | PERNA ROBERT J | SVP, General Counsel & Sec | G | Common Stock | 3073 | $0.00 | 71,761.0000 | 92,800,000 | 4.11% | 0.00% |