SEC Form 4 · Updated Daily
OLN
— Olin Corporation OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Lane Kenneth Todd | Director · Officer | 100,287 | 2026-03-18 | F |
| Slater Todd A | Officer | 49,543 | 2026-02-20 | F |
| Sumner R Nichole | Officer | 26,147 | 2026-02-20 | F |
| Ehrhardt Marc | Officer | 25,829 | 2026-05-01 | F |
| VERMILLION TERESA M | Officer | 18,922 | 2026-02-20 | F |
| Kohl Florian J | Officer | 7,949 | 2026-06-01 | F |
| Babcock Beverley A | Director | 5,625 | 2026-05-01 | A |
| FLAUGHER BRETT A | Officer | 4,674 | 2026-02-20 | F |
| Carter Deon | Officer | 2,248 | 2026-06-17 | F |
| Castle Angela M | Officer | 1,527.738 | 2026-02-24 | S |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-06-17 | Carter Deon | Option exercise (derivative) | 2,500 | $0.00 | 5,000 |
| 2026-06-17 | Carter Deon | Tax withholding | 609 | $24.13 | 2,248 |
| 2026-06-17 | Carter Deon | Option exercise | 2,500 | — | 2,857 |
| 2026-06-01 | Kohl Florian J | Option exercise (derivative) | 1,250 | $0.00 | 2,500 |
| 2026-06-01 | Kohl Florian J | Tax withholding | 492 | $25.67 | 7,949 |
| 2026-06-01 | Kohl Florian J | Option exercise | 1,250 | — | 8,441 |
| 2026-05-15 | Kohl Florian J | Option exercise (derivative) | 2,500 | $0.00 | 0 |
| 2026-05-15 | Kohl Florian J | Tax withholding | 819 | $27.07 | 7,191 |
| 2026-05-15 | Kohl Florian J | Option exercise | 2,500 | — | 8,010 |
| 2026-05-01 | Ehrhardt Marc | Option exercise (derivative) | 2,500 | $0.00 | 7,500 |
| 2026-05-01 | Ehrhardt Marc | Option exercise (derivative) | 5,206 | $0.00 | 10,412 |
| 2026-05-01 | Ehrhardt Marc | Tax withholding | 1,877 | $28.48 | 25,829 |
| 2026-05-01 | Ehrhardt Marc | Option exercise | 2,500 | — | 27,706 |
| 2026-05-01 | Ehrhardt Marc | Option exercise | 5,206 | — | 25,206 |
| 2026-05-01 | Weideman William H | Grant / award (derivative) | 7,023 | $28.48 | 53,657 |
| 2026-05-01 | Babcock Beverley A | Grant / award (derivative) | 4,916 | $28.48 | 38,508 |
| 2026-05-01 | Babcock Beverley A | Grant / award | 2,107 | $28.48 | 5,625 |
| 2026-05-01 | Darnall Matthew S | Grant / award (derivative) | 10,535 | $28.48 | 42,721.809 |
| 2026-05-01 | Williams Carol A | Grant / award (derivative) | 7,023 | $28.48 | 58,850 |
| 2026-05-01 | Shipp Earl L | Grant / award (derivative) | 7,023 | $28.48 | 59,190.528 |
| 2026-05-01 | Daly Edward | Grant / award (derivative) | 7,023 | $28.48 | 16,672 |
| 2026-05-01 | PIGGOTT JULIE A | Grant / award (derivative) | 7,023 | $28.48 | 21,494.751 |
| 2026-03-18 | Lane Kenneth Todd | Option exercise (derivative) | 50,000 | $0.00 | 100,000 |
| 2026-03-18 | Lane Kenneth Todd | Tax withholding | 19,675 | $26.25 | 100,287 |
| 2026-03-18 | Lane Kenneth Todd | Option exercise | 50,000 | — | 119,962 |
| 2026-02-25 | Carter Deon | Open-market sale | 6,500 | $23.73 | 357 |
| 2026-02-24 | Castle Angela M | Open-market sale | 2,379.263 | $24.25 | 1,527.738 |
| 2026-02-20 | FLAUGHER BRETT A | Option exercise (derivative) | 6,276 | $0.00 | 12,552 |
| 2026-02-20 | FLAUGHER BRETT A | Tax withholding | 1,839 | $24.09 | 4,674 |
| 2026-02-20 | FLAUGHER BRETT A | Option exercise | 6,276 | — | 6,513 |
| 2026-02-20 | Carter Deon | Option exercise (derivative) | 6,759 | $0.00 | 13,517 |
| 2026-02-20 | Carter Deon | Tax withholding | 1,793 | $24.09 | 6,857 |
| 2026-02-20 | Carter Deon | Option exercise | 6,759 | — | 8,650 |
| 2026-02-20 | Kohl Florian J | Option exercise (derivative) | 6,035 | $0.00 | 12,068 |
| 2026-02-20 | Kohl Florian J | Tax withholding | 1,470 | $24.09 | 5,510 |
| 2026-02-20 | Kohl Florian J | Option exercise | 6,035 | — | 6,980 |
| 2026-02-20 | Lane Kenneth Todd | Option exercise (derivative) | 36,206 | $0.00 | 74,411 |
| 2026-02-20 | Lane Kenneth Todd | Tax withholding | 8,811 | $24.09 | 69,962 |
| 2026-02-20 | Lane Kenneth Todd | Option exercise | 36,206 | — | 78,773 |
| 2026-02-20 | Slater Todd A | Option exercise (derivative) | 8,690 | $0.00 | 17,379 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.