Big Stone Therapies, Inc. 401(k) Plan: Login, Facts & Contact Information

Big Stone Therapies, Inc. 401(k) Plan Facts

Plan name
BIG STONE THERAPIES, INC. RETIREMENT PLAN
Plan type
401(k) and profit sharing
Plan sponsor
BIG STONE THERAPIES, INC.
Participants
575 (579 active employees)
Former employees with a balance
67
Plan assets
$23,035,297 at Dec 31, 2024
Average account balance
$46,725 across 493 accounts
Employer contributions
$605,549 in plan year 2024 (24% of all contributions)
Recordkeeper
Benefit Plans Admin Services, Inc.
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jan 1, 2010
— Employer contributions— Automatic enrollment✓ Default investment for undecided participants✓ Participants choose their own investments— Self-directed brokerage window✓ Profit sharing— Company stock (ESOP)

Source: Form 5500 for plan year 2024 (Jan 1, 2024 – Dec 31, 2024), filed Oct 1, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $2.58 million went into the plan in contributions, $605,549 of it from the employer (24%).
  • $1.34 million was paid out to participants.
  • Investment and other income added $2.54 million.
  • Administrative expenses were $94,715, about $192 per account.

How the Big Stone Therapies, Inc. 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
2019420$10.4 million$410,419$248,099
2020464$13.6 million$452,360$297,525
2021473$16.2 million$493,529$528,574
2022525$15.2 million$524,256$269,512
2023581$19.4 million$561,790$442,080
2024575$23.0 million$605,549$1.34 million

Big Stone Therapies, Inc. 401(k) Contact Information

Phone
605-541-1000
Mailing address
500 CROSS STREET, BIG STONE CITY SD 57216
Plan sponsor
BIG STONE THERAPIES, INC.
Employer identification number (EIN)
45-4199100
Plan number
001

Questions about the Big Stone Therapies, Inc. 401(k)

Does Big Stone Therapies, Inc contribute to the 401(k)?

The plan does not report an employer matching arrangement on its Form 5500. It did report $605,549 in employer contributions for plan year 2024.

Does the Big Stone Therapies, Inc 401(k) have automatic enrollment?

No. The plan does not report automatic enrollment; employees enroll themselves.

How many people are in the Big Stone Therapies, Inc 401(k) plan?

575 participants at the start of plan year 2024, 579 of them active employees, and 67 former employees who still had money in the plan.

What is the average 401(k) balance at Big Stone Therapies, Inc?

About $46,725 per account: $23.0 million in plan assets across 493 accounts with a balance at the end of plan year 2024.

Who manages the Big Stone Therapies, Inc 401(k) accounts?

BENEFIT PLANS ADMIN SERVICES, INC. is the plan's recordkeeper, which is where participants log in to see their balance.

I no longer work at Big Stone Therapies, Inc. How do I access my 401(k)?

Your account stays with BENEFIT PLANS ADMIN SERVICES, INC. after you leave, so you can log in with the same credentials. If your balance was small, the plan may have rolled it into an IRA in your name. If you can't find it, Beagle can locate it for you.

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