Form 144: Casdin sold 1,000,000 shares; BLFS notice of 500,000-share sale

Rhea-AI Filing Summary

BioLife Solutions (BLFS) Form 144 discloses a proposed sale of 500,000 shares of common stock through BMO Capital Markets on NASDAQ with an aggregate market value of $11,185,000. The filing reports 47,905,265 shares outstanding and an approximate sale date of 08/11/2025.

The shares were acquired on 12/16/2020 by purchase from a shareholder and paid in cash. The filing also lists a recent sale by Casdin Partners Master Fund, L.P. of 1,000,000 shares on 06/10/2025 for $23,800,000. The seller certifies they are unaware of any undisclosed material adverse information.

Positive

• Full disclosure of the proposed transaction via Form 144, including broker, sale date, and aggregate value
• The filing includes a seller certification confirming no known undisclosed material adverse information

Negative

• Proposed sale of 500,000 shares on 08/11/2025, equal to ~1.04% of reported outstanding shares, which could add supply
• A recent sale by Casdin Partners of 1,000,000 shares on 06/10/2025 for $23.8M may be relevant to liquidity and market pressure

Insights

Financial Analyst

TL;DR: Routine Form 144 discloses a 500,000-share sale (~1.04% of outstanding); follows a 1,000,000-share sale, so neutral but monitor supply.

The filing details a proposed block sale of 500,000 shares valued at $11.185M for an issuer with 47.9M shares outstanding, representing roughly 1.04% of the float by simple ratio. The presence of a recent 1,000,000-share sale by Casdin Partners on 06/10/2025 is notable for liquidity considerations. This is a compliance disclosure rather than a change to operations or financials; market impact depends on context such as timing and demand.

Corporate Governance Expert

TL;DR: The Form 144 is a standard compliance disclosure; it includes the seller's certification and acquisition details, supporting transparent governance.

The notice documents the original acquisition date (12/16/2020) and cash payment for the 500,000 shares and records broker engagement with BMO Capital Markets. It also includes the seller's representation of no undisclosed material adverse information and notes a significant prior sale by Casdin Partners. From a governance standpoint, the filing satisfies required public notice and helps ensure orderly disclosure of insider or large-holder sales.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	500000	11185000.00	47905265	08/11/2025	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	12/16/2020	Purchase	The shares were purchased directly from a shareholder of the issuer.			500000	12/16/2020	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Casdin Partners Master Fund, L.P. 1350 Avenue of the Americas Suite 2600 New York NY 10019	Common Stock, par value $0.001 per share	06/10/2025	1000000	23800000.00

144: Remarks and Signature

Remarks

Date of Notice

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the BLFS Form 144 disclose?

The filing discloses a proposed sale of 500,000 common shares via BMO Capital Markets on NASDAQ with an aggregate value of $11,185,000 and an approximate sale date of 08/11/2025.

How many shares of BLFS are outstanding according to the filing?

The Form 144 reports 47,905,265 shares outstanding.

When and how were the shares being sold acquired?

The 500,000 shares were acquired on 12/16/2020 by purchase from a shareholder and paid for in cash.

Did the filing report any recent sales of BLFS shares by large holders?

Yes. The filing shows Casdin Partners Master Fund, L.P. sold 1,000,000 shares on 06/10/2025 for $23,800,000.

Does the seller make any representations in the Form 144?

The seller represents by signing the notice that they do not know of any material adverse information about the issuer that has not been publicly disclosed.