Karen Foster to sell 96,923 shares; BLFS (NASDAQ: BLFS) Form 144 notice

Rhea-AI Filing Summary

KAREN FOSTER submitted a Form 144 notice for the proposed sale of 96,923 common shares of BLFS, to be effected on 03/05/2026 following the exercise of stock options and for cash. The filing lists Morgan Stanley Smith Barney LLC Executive Financial Services as the broker. The record also shows a prior sale by Ms. Foster of 335 common shares on 01/06/2026 for $8,572.65.

Insights

Insider Transactions Analyst

Routine Form 144 notice for a planned sale after option exercise.

The notice documents a proposed disposition of 96,923 common shares of BLFS on 03/05/2026, tied to the exercise of stock options and to be transacted for cash. The broker listed is Morgan Stanley Smith Barney LLC.

Past activity includes a reported sale of 335 shares on 01/06/2026 for $8,572.65. This is a routine disclosure; actual market impact depends on whether the sale is executed and on trade execution details.

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	96923	2003398.41	48300000	03/05/2026	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	03/05/2026	Exercise of Stock Options	Issuer			96923	03/05/2026	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
KAREN FOSTER 3303 Monte Villa Parkway, Suite 310 Bothell WA 98021	Common	01/06/2026	335	8572.65

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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 BLFS Form 144 filed by Karen Foster disclose?

The filing notifies a proposed sale of 96,923 common shares of BLFS on 03/05/2026, arising from the exercise of stock options and intended to be sold for cash through Morgan Stanley Smith Barney LLC.

How many shares did Karen Foster recently sell according to the filing?

The filing records a prior sale of 335 common shares by Karen Foster on 01/06/2026, with reported proceeds of $8,572.65, listed under "Securities Sold During The Past 3 Months."

What broker is handling the proposed BLFS sale in the Form 144?

The broker identified is Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, 8th Floor, New York, NY, as shown in the filing for the proposed sale on 03/05/2026.

Is the proposed BLFS sale unconditional according to the Form 144?

The notice states the sale arises from an exercise of stock options and is to be for cash on 03/05/2026. The filing does not detail further conditions or execution mechanics for the transaction.