[Form 4] Senseonics Holdings, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Senseonics Holdings, Inc. reported that GC & Corp. Development Advisor Kenneth L. Horton received equity awards as part of his compensation. He was granted 157,943 restricted stock units (RSUs), each representing a right to receive one share of common stock. These RSUs vest in eight equal installments, starting on June 15, 2026, with the remaining seven installments vesting every six months beginning November 15, 2026, contingent on his continuous service.

Horton was also granted 217,338 employee stock options to buy common stock at an exercise price of $5.54 per share, expiring on May 18, 2036. These options vest in 48 equal monthly installments beginning on May 19, 2026, also subject to continued service. After these awards, he directly holds 295,057 shares of common stock and 217,338 options.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Horton Kenneth L

Role GC & Corp. Development Advisor

Type	Security	Shares	Price	Value
Grant/Award	Employee Stock Option (right to buy)	217,338	$0.00	--
Grant/Award	Common Stock	157,943	$0.00	--

Holdings After Transaction: Employee Stock Option (right to buy) — 217,338 shares (Direct, null); Common Stock — 295,057 shares (Direct, null)

Footnotes (1)

1. Represents a restricted stock unit ("RSU") grant. The RSUs vest in eight equal installments with the first installment vesting on June 15, 2026 and the remaining seven installments vesting in six month increments commencing on November 15, 2026, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The options vest in 48 equal monthly installments commencing on May 19, 2026, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date.

Form 4 Insider Transactions: What Each Field Means →

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^*

Horton Kenneth L

(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)
	GC & Corp. Development Advisor

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/19/2026

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	05/19/2026		A		157,943(1)	A	$0(2)	295,057	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
Employee Stock Option (right to buy)	$5.54	05/19/2026		A		217,338		(3)	05/18/2036	Common Stock	217,338	$0	217,338	D

Explanation of Responses:

1. Represents a restricted stock unit ("RSU") grant. The RSUs vest in eight equal installments with the first installment vesting on June 15, 2026 and the remaining seven installments vesting in six month increments commencing on November 15, 2026, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date.

2. Each RSU represents a contingent right to receive one share of the Issuer's common stock.

3. The options vest in 48 equal monthly installments commencing on May 19, 2026, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date.

	/s/ Frederick T. Sullivan, Attorney-in-Fact	05/21/2026
	** 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)