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Original filing (PDF)20250122154709NAL0009344514001
AIS OPERATING CO., INC.
Form 5500-SF
FILING_RECEIVED
ALPINE IMMUNE SCIENCES 401(K) PLAN
401(k) retirement plan
Signals · 2
Late filing · 2.2 moNo auditor on file
Active participants
139
Accounts w/ balance
140
Plan assets (EOY)
$9.2M
Net assets (EOY)
$9.2M
Plan health score (directional)
74
/ 100
Grade B
Above-average plan
Directional indicator computed from public Form 5500 data — compliance, concentration, cost, vendor stack and participation. Not a fiduciary tool.
Compliance & disclosures
51
Concentration risk
75
Total plan cost
75
Vendor stack
100
Participation health
100
Knocking points off
- No independent qualified public accountant (IQPA) named.
- Filed 2.2 months past the 10.5-month grace window.
Helping the score
- Concentration not scored — Schedule of Assets PDF not yet parsed for this plan.
- No Schedule C compensation disclosed — likely a small plan or unbundled.
Decision-maker contacts
CFO / Head of HR / Benefits Manager — verified email + LinkedIn for AIS OPERATING CO., INC..
Plan sponsor
Name
AIS OPERATING CO., INC.
EIN
47-2667641
Address
188 EAST BLAINE STREET · SUITE 200 · SEATTLE, WA · 98102
Phone
(206) 788-4545
Industry
Professional & Technical Servicessee all
Plan administrator
Same as plan sponsor.
Plan characteristics
Plan number
002
Plan year
2023
Plan year begin
2023-01-01
Tax period
2023-12-31
Filed
2025-01-22
Pension benefit codes
2E · Profit-sharing
2F · ERISA section 404(c)
2G · Total participant-directed accounts
2J · 401(k) feature
2K · 401(m) arrangement
2T · Default investment account (QDIA)
3D · Pre-approved plan (master / prototype / VS)
Audit & trust (Schedule H)
Auditor
—
Trustee / custodian
—
Trustee phone
—
Small plan (5500-SF) — Schedule H data not available.
Service providers (Schedule C)
Small plans don't disclose service providersRelated plans
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