| Plan Name | SPERO THERAPEUTICS, INC. EMPLOYEE BENEFIT PLAN |
| Plan identification number | 501 |
| 401k Plan Type | Welfare Benefit |
| Plan Features/Benefits |
|
| Company Name: | SPERO OPCO, INC. |
| Employer identification number (EIN): | 464590683 |
| NAIC Classification: | 541700 |
| Plan id# | Filing Submission Date | Name of Administrator | Date Administrator Signed | Name of Company Sponsor | Date Sponsor Signed |
|---|---|---|---|---|---|
| 501 | 2021-10-01 | ||||
| 501 | 2021-10-01 | CECILE GOBBENS |
| 2021: SPERO THERAPEUTICS, INC. EMPLOYEE BENEFIT PLAN 2021 form 5500 responses | ||
|---|---|---|
| 2021-10-01 | Type of plan entity | Single employer plan |
| 2021-10-01 | First time form 5500 has been submitted | Yes |
| 2021-10-01 | Submission has been amended | No |
| 2021-10-01 | This submission is the final filing | No |
| 2021-10-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2021-10-01 | Plan is a collectively bargained plan | No |
| 2021-10-01 | Plan funding arrangement – Insurance | Yes |
| 2021-10-01 | Plan funding arrangement – General assets of the sponsor | Yes |
| 2021-10-01 | Plan benefit arrangement – Insurance | Yes |
| 2021-10-01 | Plan benefit arrangement – General assets of the sponsor | Yes |
| BLUE CROSS BLUE SHIELD OF MASSACHUSETTS, INC. (National Association of Insurance Commissioners NAIC id number: 53228 ) | |
| Policy contract number | 8067137 |
| Policy instance | 1 |
| EYEMED VISION CARE (National Association of Insurance Commissioners NAIC id number: 71870 ) | |
| Policy contract number | 10243101001 |
| Policy instance | 2 |
| SUN LIFE ASSURANCE COMPANY OF CANADA (National Association of Insurance Commissioners NAIC id number: 80802 ) | |
| Policy contract number | 947411 |
| Policy instance | 3 |