Form 5500 · Employee benefit plan · CLAYTON, MO
OLIN CORPORATION
OLIN CORPORATION of CLAYTON, MO is a 6,493-participant manufacturing employer whose group benefits are disclosed in its annual Form 5500 filing. Its broker of record is WILLIS TOWERS WATSON US LLC. Coverage is written through METROPOLITAN LIFE INSURANCE COMPANY and 6 other carriers. The plan's most recent policy period ended in December.
Sourced from U.S. DOL EFAST2 Form 5500 · EIN 13-1872319 · plan 550 · as of Aug 2026
Plan brief
Schedule A lists 7 insured contracts covering health, vision, life and disability; the largest, with METROPOLITAN LIFE INSURANCE COMPANY, covers 13,614 people.
Reported premium across the insured contracts is $11,144,439, with $270,911 in disclosed broker commissions — about 2.4% of premium.
The most recent policy period ended in December, and the plan year ends December 31. Group contracts typically renew on that annual cycle.
WILLIS TOWERS WATSON US LLC is the broker of record on 4 of the 7 contracts; the rest name a different broker or none.
7 carriers appear on the filing — METROPOLITAN LIFE INSURANCE COMPANY, UNUM LIFE INSURANCE COMPANY OF AMERICA, HIGHMARK WESTERN AND NORTHEASTERN NEW YORK INC. (BLUECROSS BLUESHIELD) and UNUM INSURANCE COMPANY among them — with METROPOLITAN LIFE INSURANCE COMPANY writing the largest contract by premium.
Schedule A insurance contracts
| Carrier | Benefits | Covered | Renews | Premium | Commission |
|---|---|---|---|---|---|
| UNUM INSURANCE COMPANY | — | 2,944 | December | $900,223 | $180,031 |
| METROPOLITAN LIFE INSURANCE COMPANY | Life, Disability | 13,614 | December | $4,997,974 | $60,116 |
| UNUM LIFE INSURANCE COMPANY OF AMERICA | Disability | 4,748 | December | $2,415,943 | $30,764 |
| FIRST UNUM LIFE INSURANCE COMPANY | Disability | 179 | December | $110,154 | $0 |
| HEALTH AND HUMAN RESOURCE CENTER (AETNA) | — | 6,570 | December | $173,358 | $0 |
| UNITEDHEALTHCARE INSURANCE COMPANY | Vision | 12,186 | December | $539,306 | $0 |
| HIGHMARK WESTERN AND NORTHEASTERN NEW YORK INC. (BLUECROSS BLUESHIELD) | Health | 280 | December | $2,007,481 | $0 |
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