Teresa M. Vermillion, VP and Treasurer of Olin Corp (OLN), sold shares on the open market twice in the last year for a total of $220 thousand. Her most recent sale occurred on November 26, 2025. These sales rank her 8,212th among 11,678 insiders by total value sold, well below the average of $8.6 million per insider and 6 sales. She made no open market purchases in the period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 20, 2026 | OLIN Corp | $OLN | VERMILLION TERESA M | VP & Treasurer | M | Common Stock | 2318 | $0.00 | 19,736.7607 | 114,600,000 | 13.31% | 0.00% |
| Feb. 20, 2026 | OLIN Corp | $OLN | VERMILLION TERESA M | VP & Treasurer | M | Restricted Stock Units | 2318 | $0.00 | 4,634.0000 | 114,600,000 | 33.34% | 0.00% |
| Feb. 20, 2026 | OLIN Corp | $OLN | VERMILLION TERESA M | VP & Treasurer | F | Common Stock | 674 | $24.09 | 19,062.7607 | 114,600,000 | 3.41% | 0.00% |
| Feb. 18, 2026 | OLIN Corp | $OLN | VERMILLION TERESA M | VP & Treasurer | A | Restricted Stock Units | 8004 | $0.00 | 8,004.0000 | 114,600,000 | 9999.99% | 0.01% |
| Feb. 18, 2026 | OLIN Corp | $OLN | VERMILLION TERESA M | VP & Treasurer | A | Common Stock | 79 | $0.00 | 17,418.7607 | 114,600,000 | 0.46% | 0.00% |
| Nov. 26, 2025 | OLIN Corp | $OLN | VERMILLION TERESA M | VP & Treasurer | M | Common Stock | 4500 | $13.14 | 21,839.7607 | 115,600,000 | 25.95% | 0.00% |
| Nov. 26, 2025 | OLIN Corp | $OLN | VERMILLION TERESA M | VP & Treasurer | M | Employee Stock Options (Right to Buy) | 4500 | $0.00 | 0.0000 | 115,600,000 | 100.00% | 0.00% |
| Nov. 26, 2025 | OLIN Corp | $OLN | VERMILLION TERESA M | VP & Treasurer | S | Common Stock | 4500 | $20.86 | 17,339.7607 | 115,600,000 | 20.60% | 0.00% |
| Aug. 13, 2025 | OLIN Corp | $OLN | VERMILLION TERESA M | VP & Treasurer | M | Common Stock | 6000 | $13.14 | 23,339.7607 | 119,500,000 | 34.60% | 0.01% |
| Aug. 13, 2025 | OLIN Corp | $OLN | VERMILLION TERESA M | VP & Treasurer | S | Common Stock | 6000 | $21.11 | 17,339.7607 | 119,500,000 | 25.71% | 0.01% |
| Aug. 13, 2025 | OLIN Corp | $OLN | VERMILLION TERESA M | VP & Treasurer | M | Employee Stock Options (Right to Buy) | 6000 | $0.00 | 4,500.0000 | 119,500,000 | 57.14% | 0.01% |
| Feb. 19, 2025 | OLIN Corp | $OLN | VERMILLION TERESA M | VP & Treasurer | A | Common Stock | 691 | $0.00 | 16,909.4983 | 119,500,000 | 4.26% | 0.00% |
| Feb. 20, 2025 | OLIN Corp | $OLN | VERMILLION TERESA M | VP & Treasurer | A | Restricted Stock Units | 6952 | $0.00 | 6,952.0000 | 119,500,000 | 9999.99% | 0.01% |
| Feb. 22, 2024 | OLIN Corp | $OLN | VERMILLION TERESA M | VP & Treasurer | A | Employee Stock Options (Right to Buy) | 8896 | $0.00 | 8,896.0000 | 128,800,000 | 9999.99% | 0.01% |
| Feb. 21, 2024 | OLIN Corp | $OLN | VERMILLION TERESA M | VP & Treasurer | A | Common Stock | 3666 | $0.00 | 16,080.2309 | 128,800,000 | 29.53% | 0.00% |
| Feb. 22, 2023 | OLIN Corp | $OLN | VERMILLION TERESA M | VP & Treasurer | A | Common Stock $1 par value | 5524 | $0.00 | 12,356.0567 | 148,500,000 | 80.85% | 0.00% |
| Feb. 22, 2023 | OLIN Corp | $OLN | VERMILLION TERESA M | VP & Treasurer | A | Employee Stock Options (Right to Buy) | 5624 | $0.00 | 5,624.0000 | 148,500,000 | 9999.99% | 0.00% |
| Jan. 2, 2023 | OLIN Corp | $OLN | VERMILLION TERESA M | VP & Treasurer | M | Restricted Stock Units | 560 | $0.00 | 0.0000 | 148,500,000 | 100.00% | 0.00% |
| Jan. 2, 2023 | OLIN Corp | $OLN | VERMILLION TERESA M | VP & Treasurer | F | Common Stock $1 par value | 194 | $52.90 | 6,832.0567 | 148,500,000 | 2.76% | 0.00% |
| Jan. 2, 2023 | OLIN Corp | $OLN | VERMILLION TERESA M | VP & Treasurer | M | Common Stock $1 par value | 560 | $0.00 | 7,026.0567 | 148,500,000 | 8.66% | 0.00% |