Senseonics CFO has 9,005 shares withheld for taxes

Senseonics Holdings, Inc. Chief Financial Officer reports routine tax withholding on vested stock units.

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Form Type

Rhea-AI Filing Summary

Senseonics Holdings, Inc. Chief Financial Officer reports routine tax withholding on vested stock units. On the reported date, Frederick T. Sullivan had 9,005 shares of common stock withheld at $5.82 per share to cover withholding tax obligations tied to the vesting of restricted stock units. These are not open-market sales, but shares retained by the company for tax payment. After this transaction, he directly holds 141,621 shares of Senseonics common stock.

Insider Trade Summary

Exercise Price or Tax Liability: 9,005 shares

Exercise Price or Tax Liability 1 txn

Insider Sullivan Frederick T.

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	9,005	$5.82	$52K

Holdings After Transaction: Common Stock — 141,621 shares (Direct)

Footnotes (1)

F1. Represents shares withheld to satisfy withholding tax obligations upon the vesting of restricted stock units.

Key Figures

Shares withheld for taxes: 9,005 shares Withholding price per share: $5.82 per share Shares held after transaction: 141,621 shares +1 more

4 metrics

Shares withheld for taxes 9,005 shares Tax-withholding disposition on vested restricted stock units

Withholding price per share $5.82 per share Value used for 9,005-share tax withholding

Shares held after transaction 141,621 shares Direct common stock holdings after tax withholding

Tax-withholding transactions 1 transaction, 9,005 shares Summary of F-code tax-withholding dispositions in this filing

Key Terms

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

4 terms

restricted stock units financial

"upon the vesting 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.

withholding tax obligations financial

"shares withheld to satisfy withholding tax obligations upon the vesting"

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

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What insider transaction did Senseonics (SENS) report for CFO Frederick T. Sullivan?

Senseonics reported that CFO Frederick T. Sullivan had 9,005 common shares withheld to cover taxes on vested restricted stock units. The shares were valued at $5.82 each and represent a tax-withholding disposition, not an open-market sale of stock.

Did the Senseonics (SENS) CFO sell shares in the open market in this Form 4?

No, the filing shows no open-market sale. Instead, 9,005 shares were withheld by the company to satisfy withholding tax obligations upon vesting of restricted stock units, a routine administrative disposition rather than a discretionary stock sale.

How many Senseonics (SENS) shares does the CFO hold after this tax withholding?

After the tax-withholding transaction, CFO Frederick T. Sullivan directly holds 141,621 shares of Senseonics common stock. This figure reflects his position following the 9,005-share withholding related to the vesting of restricted stock units reported in the Form 4.

At what price were the Senseonics (SENS) shares valued for the CFO’s tax withholding?

The 9,005 shares withheld for taxes were valued at $5.82 per share. This price is used solely for the tax-withholding disposition reported, which covered obligations arising from the vesting of restricted stock units granted to the CFO.

What does the F transaction code mean in the Senseonics (SENS) Form 4 filing?

The F code in this Form 4 indicates a tax-withholding disposition, where shares are delivered to the issuer to cover tax or exercise costs. Here, 9,005 shares were withheld to satisfy withholding tax obligations on vesting restricted stock units, not sold on the market.

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Accepted by SEC EDGAR 05/18/2026 - 04:30 PM EDT

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^*

Sullivan Frederick T.

(Last)

(First)

(Middle)

C/O SENSEONICS HOLDINGS, INC.

20451 SENECA MEADOWS PARKWAY

(Street)

GERMANTOWN

MARYLAND

20876

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Senseonics Holdings, Inc. [ SENS ]

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)
05/15/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	05/15/2026		F⁽¹⁾		9,005	D	$5.82	141,621	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Represents shares withheld to satisfy withholding tax obligations upon the vesting of restricted stock units.

	/s/ Frederick T. Sullivan	05/18/2026
	** 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)

Source: View Original Filing on SEC EDGAR