BioLife CFO has 937 shares withheld for taxes

BioLife Solutions Chief Financial Officer Troy Wichterman reported a routine tax-related share disposition.

Rhea-AI Filing Summary

BioLife Solutions Chief Financial Officer Troy Wichterman reported a routine tax-related share disposition. On the release of restricted stock units, the company withheld 937 shares of Common Stock to cover his tax obligations at a value of $26.04 per share. After this withholding, Wichterman directly holds 214,093 shares of BioLife Solutions common stock, indicating that the event reflects compensation-related tax settlement rather than an open-market sale.

Insider Trade Summary

Exercise Price or Tax Liability: 937 shares

Exercise Price or Tax Liability 1 txn

Insider Wichterman Troy

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	937	$26.04	$24K

Holdings After Transaction: Common Stock — 214,093 shares (Direct)

Footnotes (1)

1. F1. Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units.

Key Figures

Shares withheld for taxes: 937 shares Transaction price per share: $26.04 per share Shares held after transaction: 214,093 shares +1 more

4 metrics

Shares withheld for taxes 937 shares Tax withholding on RSU release for CFO

Transaction price per share $26.04 per share Value used for tax-withholding disposition

Shares held after transaction 214,093 shares CFO direct common stock holdings following transaction

Tax-withholding transactions 1 transaction, 937 shares Summary of tax withholding dispositions in this filing

Key Terms

restricted stock units, tax withholding obligations, tax-withholding disposition, Common Stock

4 terms

restricted stock units financial

"arose upon the release of restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

tax withholding obligations financial

"withheld by the Issuer to satisfy tax withholding obligations"

tax-withholding disposition financial

"transaction_action: "tax-withholding disposition""

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

Common Stock financial

"security_title: "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

FAQ

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

What did BioLife Solutions (BLFS) CFO Troy Wichterman report in this Form 4?

BioLife Solutions CFO Troy Wichterman reported a tax-related share disposition. The company withheld 937 common shares to cover tax obligations triggered by the release of restricted stock units, leaving him with 214,093 shares held directly after the transaction.

Was the BLFS CFO’s June 18, 2026 Form 4 transaction an open-market sale?

No, the transaction was not an open-market sale. The 937 BioLife Solutions shares were withheld by the company to satisfy Troy Wichterman’s tax withholding obligations arising from restricted stock units vesting, as noted in the filing’s footnote disclosure.

How many BioLife Solutions (BLFS) shares were withheld for taxes from the CFO?

The company withheld 937 shares of BioLife Solutions common stock. These shares covered Chief Financial Officer Troy Wichterman’s tax obligations when his restricted stock units were released, according to the Form 4’s transaction details and accompanying explanatory footnote.

How many BLFS shares does CFO Troy Wichterman own after the reported transaction?

After the tax-withholding disposition, Troy Wichterman directly holds 214,093 shares of BioLife Solutions common stock. This post-transaction holding figure comes directly from the Form 4 and reflects his remaining position following the 937 withheld shares.

What was the value per share used for the BLFS CFO’s tax-withholding transaction?

The tax-withholding disposition used a value of $26.04 per BioLife Solutions common share. This price is listed in the Form 4 as the transaction price per share for the 937 shares withheld to satisfy the CFO’s tax obligations.

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

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Accepted by SEC EDGAR 06/22/2026 - 04:50 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Wichterman Troy

(Last) (First) (Middle)

3303 MONTE VILLA PARKWAY

SUITE 310

(Street)

BOTHELL WASHINGTON 98021

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
BIOLIFE SOLUTIONS INC [ BLFS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/18/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/18/2026		F		937(1)	D	$26.04	214,093	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units.

Remarks:

	/s/ Troy Wichterman	06/22/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)