BioLife (BLFS) Form 144: 300,000 Shares Proposed Sale

BioLife Solutions submitted a Form 144 notice indicating proposed sale of 300,000 shares of Common Stock.

Rhea-AI Filing Summary

BioLife Solutions submitted a Form 144 notice indicating proposed sale of 300,000 shares of Common Stock. The filing lists an aggregate value of $6,690,000.00 and references 48,857,415 shares outstanding as of 05/19/2026.

The shares were purchased from the issuer on 08/13/2018 for cash; the filing lists BMO Capital Markets as a broker-dealer. The filing is a notice of a planned sale under resale rules.

Insights

Equity Capital Markets Analyst

Form 144 lists a 300,000-share proposed resale via broker-dealer.

The filing shows a 300,000 shares proposed sale of Common Stock with an aggregate amount of $6,690,000.00. It identifies BMO Capital Markets as the intermediary and records the original purchase date as 08/13/2018.

Timing and execution details are not provided in the excerpt; subsequent filings or transaction reports would show whether and when the sale occurred.

Key Figures

Shares offered (Form 144): 300,000 shares Aggregate value listed: $6,690,000.00 Shares outstanding: 48,857,415 shares +2 more

5 metrics

Shares offered (Form 144) 300,000 shares listed under "Securities To Be Sold"

Aggregate value listed $6,690,000.00 appears adjacent to the shares and broker details

Shares outstanding 48,857,415 shares as of <date>05/19/2026</date>

Original purchase date 08/13/2018 acquisition date for the shares being resold

Broker-dealer BMO Capital Markets listed as broker for the proposed sale

Key Terms

Form 144, Common Stock, par value $0.001, Securities To Be Sold

3 terms

Form 144 regulatory

"Filer Information | 144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Common Stock, par value $0.001 financial

"Common Stock, par value $0.001 per share | BMO Capital Markets"

Securities To Be Sold regulatory

"144: Securities To Be Sold | Common Stock"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many BLFS shares does the Form 144 list for sale?

The filing lists 300,000 shares. The Form 144 shows a proposed resale of 300,000 shares of Common Stock, purchased from the issuer on 08/13/2018 and routed through BMO Capital Markets.

What aggregate dollar value is shown for the BLFS shares?

The aggregate value shown is $6,690,000.00. That figure appears in the filing alongside the 300,000-share quantity; no per-share price or execution timing is provided in the excerpt.

Does the filing state when the shares were originally acquired?

Yes — the shares were purchased on 08/13/2018. The Form 144 notes the acquisition method as Purchase and payment type as Cash for the listed shares.

Who is the broker-dealer listed on the Form 144?

BMO Capital Markets is listed. The filing shows BMO Capital Markets, 151 W. 42nd St., New York, NY as the broker-dealer associated with the proposed resale of the shares.

What baseline share count is shown for BLFS in the filing?

The filing references 48,857,415 shares outstanding as of 05/19/2026. That figure appears in the excerpt and provides a context figure for the company's capital base.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/19/2026 - 06:25 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001534265
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	BIOLIFE SOLUTIONS INC
SEC File Number	001-36362
Address of Issuer	3303 Monte Villa Parkway, Suite 310 Bothell WASHINGTON 98021
Phone	425-402-1400
Name of Person for Whose Account the Securities are To Be Sold	Casdin Partners Master Fund, L.P.
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	10% Shareholder

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common Stock, par value $0.001 per share	BMO Capital Markets 151 W. 42nd St. New York NY 10036	300000	6690000.00	48857415	05/19/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common Stock, par value $0.001 per share	08/13/2018	Purchase	The shares were purchased directly from the Issuer.			300000	08/13/2018	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	05/19/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Eli Casdin
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)