TriSalus Life Sciences (TLSI) CCO acquires 561 ESPP shares

Rhea-AI Filing Summary

TriSalus Life Sciences, Inc. Chief Commercial Officer Richard Marshak acquired 561 shares of common stock at $3.8700 per share. The shares were obtained through the company’s Employee Stock Purchase Plan in a transaction exempt under Rule 16b-3. Following this award, he directly holds 128,319 shares.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Marshak Richard

Role Chief Commercial Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	561	$3.87	$2K

Holdings After Transaction: Common Stock — 128,319 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares acquired: 561 shares Acquisition price: $3.8700 per share Total direct holdings: 128,319 shares +1 more

4 metrics

Shares acquired 561 shares Employee Stock Purchase Plan grant under code A

Acquisition price $3.8700 per share Price for ESPP-acquired common stock

Total direct holdings 128,319 shares Common stock directly owned after transaction

Transaction code A (grant, award, or other acquisition) Non-derivative common stock transaction type

Key Terms

Employee Stock Purchase Plan, Rule 16b-3, grant/award acquisition, common stock

4 terms

Employee Stock Purchase Plan financial

"Represents shares acquired by the Reporting Person through the Issuer's Employee Stock Purchase Plan"

An employee stock purchase plan is a company program that lets workers buy shares through small payroll deductions, often at a discount to the market price and after a set offering period. Think of it like a workplace savings plan that turns into ownership: it encourages employees to share in the company’s success and can create predictable buying or selling of stock that investors watch because it affects supply, demand and employee incentives.

Rule 16b-3 regulatory

"through the Issuer's Employee Stock Purchase Plan in a transaction exempt under Rule 16b-3"

Rule 16b-3 is a Securities and Exchange Commission regulation that exempts certain routine, pre-approved transactions by company insiders from automatic liability for short-term trading profits. It acts like a safe harbor: if an insider follows a formal plan or the board approves specific transactions in advance, profits from buying and selling company stock within six months are not automatically reclaimed. Investors care because the rule clarifies when insider trades are permissible and reduces uncertainty about potential clawbacks.

grant/award acquisition financial

"transaction_action: grant/award acquisition for common stock"

common stock financial

"security_title: Common Stock with direct ownership reported"

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.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/01/2026 - 04:03 PM Accepted by SEC EDGAR 07/01/2026 - 04:02 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^*

Marshak Richard

(Last) (First) (Middle)

6272 W. 91ST AVENUE

(Street)

WESTMINSTER COLORADO 80031

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
TriSalus Life Sciences, Inc. [ TLSI ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/30/2026

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	06/30/2026		A		561(1)	A	$3.87	128,319	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 shares acquired by the Reporting Person through the Issuer's Employee Stock Purchase Plan in a transaction exempt under Rule 16b-3.

Remarks:

	/s/ Mary Szela, Attorney-in-Fact	07/01/2026
	** 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)

FAQ

What did TriSalus Life Sciences (TLSI) disclose in this Form 4 for Richard Marshak?

TriSalus Life Sciences reported that Chief Commercial Officer Richard Marshak acquired 561 common shares. The shares were obtained through the company’s Employee Stock Purchase Plan in a transaction classified as a grant or award and exempt under Rule 16b-3.

How many TriSalus (TLSI) shares did Richard Marshak acquire and at what price?

Richard Marshak acquired 561 shares of TriSalus common stock at $3.8700 per share. The acquisition was reported as a grant or award transaction under code A and occurred through the Employee Stock Purchase Plan structure.

What are Richard Marshak’s total TriSalus (TLSI) holdings after this transaction?

After this transaction, Richard Marshak directly holds 128,319 shares of TriSalus common stock. This total includes the 561 shares acquired through the Employee Stock Purchase Plan, as reported in the latest Form 4 filing.

How was the TriSalus (TLSI) share acquisition by Richard Marshak structured?

The acquisition was structured as a grant or award under transaction code A. It represents shares obtained through TriSalus’s Employee Stock Purchase Plan and is noted as exempt from certain rules under SEC Rule 16b-3 in the filing footnote.

Does the Form 4 indicate if Richard Marshak’s TriSalus (TLSI) holdings are direct or indirect?

The filing indicates that Richard Marshak’s holdings are direct, using ownership code D. The transaction and resulting 128,319 shares are reported as directly owned, with no separate entity or indirect ownership structure referenced in the data provided.