BioLife Solutions (BLFS) CFO has 844 shares withheld for RSU taxes

Rhea-AI Filing Summary

BioLife Solutions’ Chief Financial Officer Troy Wichterman reported a Form 4 transaction involving 844 shares of common stock with a value of $27.79 per share. According to the disclosure, these shares were withheld by the company to satisfy tax withholding obligations arising from the release of restricted stock units, rather than sold in the open market. Following this tax-withholding disposition, Wichterman directly holds 213,249 shares of common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Wichterman Troy

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	844	$27.79	$23K

Holdings After Transaction: Common Stock — 213,249 shares (Direct)

Footnotes (1)

1. [object Object]

Key Figures

Shares withheld for taxes: 844 shares Per-share value for tax withholding: $27.79 per share Shares held after transaction: 213,249 shares +1 more

4 metrics

Shares withheld for taxes 844 shares Common stock shares withheld to satisfy tax withholding obligations on RSU release

Per-share value for tax withholding $27.79 per share Value applied to the 844 withheld shares in the tax-withholding disposition

Shares held after transaction 213,249 shares Total common shares directly held by the CFO following the tax-withholding disposition

Tax-withholding transactions 1 Single F-code tax-withholding disposition reported in the Form 4

Key Terms

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

3 terms

tax withholding obligations financial

"shares withheld by the Issuer to satisfy <b>tax withholding obligations</b> of the reporting person"

restricted stock units financial

"tax withholding obligations of the reporting person that arose upon the release of <b>restricted stock units</b>"

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 disposition financial

"transaction_action is described as a <b>tax-withholding disposition</b> of common stock"

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.

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Available on EDGAR 07/13/2026 - 05:04 PM Accepted by SEC EDGAR 07/13/2026 - 05:03 PM Learn about SEC filing dates

FAQ

What insider transaction did BioLife Solutions (BLFS) report for its CFO?

BioLife Solutions’ CFO, Troy Wichterman, reported a disposition of 844 shares of common stock. The shares were withheld by the company to cover tax withholding obligations triggered by the release of restricted stock units, not sold on the open market.

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

The filing shows that 844 shares of BioLife Solutions common stock were withheld. This withholding satisfied the CFO’s tax obligations arising from the release of restricted stock units, as noted in the footnote to the Form 4.

What price per share was used for the BioLife Solutions (BLFS) tax-withholding transaction?

The tax-withholding disposition used a value of $27.79 per share for the 844 shares. This figure reflects the price applied to calculate the shares withheld to meet the CFO’s tax liability on the restricted stock unit release.

How many BioLife Solutions (BLFS) shares does the CFO hold after this Form 4 transaction?

After the tax-withholding disposition, CFO Troy Wichterman directly holds 213,249 shares of BioLife Solutions common stock. This post-transaction holding is disclosed in the Form 4 as the total shares following the transaction.

Was the BioLife Solutions (BLFS) CFO’s Form 4 a market sale or tax withholding?

The Form 4 describes the event as a tax-withholding disposition, not a market sale. A footnote explains the 844 shares were withheld by the issuer to satisfy tax obligations from the release of restricted stock units.

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)
07/07/2026

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	07/07/2026		F		844(1)	D	$27.79	213,249	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	07/13/2026
	** 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)