P 401(k) Plan Report

Stable plan record

KOYAMA CONSTRUCTION INC. DBA RDK CONSTRUCTION 401(K) PLAN

Sponsored by KOYAMA CONSTRUCTION INC. · EIN/PN 562631941-001

Selected filing history

These charts use the selected public filing for each year and keep unreported values blank.

Employer money per active participant
2025
$1,444
Administrative cost per participant
2025
$10
Active participants
2025
21
Total plan assets
2025
$1,835,926
Participant loans as a share of assets
2025
Not reported
Detailed selected filing history
YearACK_IDActive participantsEmployer contributions / active
202520260720155725NAL000719270700321$1,444
Public filing identifier

The EIN and plan number are public filing identifiers. 401(k) Plan Report does not expose unrelated personal data.