BioLife Solutions, Inc. (BLFS)
BLFS · Electromedical & Electrotherapeutic Apparatus · Bothell, WA · filing with the SEC since 1995
Grade5.1
◀ Past 3.3● Present 6.3▶ Future 5.4
Who owns BioLife Solutions, Inc.
As filed with the SECHolders of 5% or more
4
Blackrock, Inc. holds 13.4% of Common Stock, as its SCHEDULE 13G/A filed Oct 27, 2026 says.
Directors and officers
13
report now, of 26 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 4 named at left.
Holders of 5% or moreshare of the class, as filed
Blackrock, Inc.
SCHEDULE 13G/A · filed Oct 27, 2026 · Common Stock
Casdin Capital, LLC
SCHEDULE 13G · filed Jun 4, 2026 · Common Stock, par value $0.001 per share · 9.7% in May 22, 2026
T. Rowe Price Investment Management, Inc.
SCHEDULE 13G/A · filed Sep 8, 2026 · COMMON STOCK · 13.5% in May 15, 2026
Glazer Capital, LLC
SCHEDULE 13G · filed Sep 24, 2026 · Common stock, par value $0.001 per share
Invesco LTD
SCHEDULE 13G/A · filed May 6, 2026 · Common Stock · reported falling below 5%, from 8.2% in Feb 12, 2026
The Vanguard Group
SCHEDULE 13G/A · filed Mar 26, 2026 · Common Stock · reported falling below 5%
What BLFS reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
PanTHERA CryoSolutions, Inc.
A company bought · asset acquisition · owns, named in the 10-K filed Feb 26, 2026
2 subsidiaries in 2 countries, from the list filed with the 10-K filed Feb 26, 2026.
Insider tradesForm 4
45sales
0purchases
33sales on a scheduled plan
9people selling
$7.1Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Oct 8, 2025 to Oct 8, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Oct 8, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window11 of 32 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Casdin Partners Master Fund, L.P. | 10% owner | 3 | $28.1M | 0 | 0 | $0 |
| Casdin Partners Gp, LLC | 10% owner | 1 | $21.4M | 0 | 0 | $0 |
| De Greef Roderick | Chief Executive Officer | 4 | $3.6M | 1 | 0 | $0 |
| Foster Karen A. | Chief Quality and Operations | 8 | $2.1M | 6 | 0 | $0 |
| Wichterman Troy | Chief Financial Officer | 6 | $900,000 | 5 | 0 | $0 |
| Duross Amy | director | 6 | $300,000 | 0 | 0 | $0 |
| Mathew Aby J. | EVP & Chief Scientific Officer | 5 | $100,000 | 5 | 0 | $0 |
| Berard Todd | Chief Marketing Officer | 5 | $0 | 5 | 0 | $0 |
| Werner Sean | Chief Technology Officer | 3 | $0 | 3 | 0 | $0 |
| Aebersold Sarah | Chief Human Resources Officer | 6 | $0 | 6 | 0 | $0 |
| Goswami Joydeep | director | 2 | $0 | 2 | 0 | $0 |