TriSalus Life Sciences (TLSI) director buys 10,000 shares in open market

Rhea-AI Filing Summary

TriSalus Life Sciences, Inc. director Gary B. Gordon reported an open-market purchase of company stock. On May 15, 2026, he bought 10,000 shares of Common Stock at $2.46 per share, increasing his direct ownership to 72,510 shares after the transaction.

Insider Trade Summary

Net Buyer: 10,000 shares ($24,600)

Net Buy 1 txn

Insider Gordon Gary B.

Role null

Bought 10,000 shs ($25K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	10,000	$2.46	$25K

Holdings After Transaction: Common Stock — 72,510 shares (Direct, null)

Footnotes (1)

Key Figures

Shares purchased: 10,000 shares Purchase price: $2.46 per share Shares owned after transaction: 72,510 shares +1 more

4 metrics

Shares purchased 10,000 shares Open-market purchase of Common Stock on May 15, 2026

Purchase price $2.46 per share Price for Common Stock bought on May 15, 2026

Shares owned after transaction 72,510 shares Direct holdings of Gary B. Gordon following the purchase

Net buy shares 10,000 shares Net buy direction in transaction summary

Key Terms

open-market purchase, Common Stock, Form 4, non-derivative

4 terms

open-market purchase financial

"he bought 10,000 shares of Common Stock at $2.46 per share in an open-market purchase"

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

Common Stock financial

"he bought 10,000 shares of Common Stock at $2.46 per share"

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.

Form 4 regulatory

"The Form 4 does not show any derivative or option exercises"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

non-derivative financial

"It reports only a single non-derivative transaction: an open-market purchase of 10,000 shares"

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^*

Gordon Gary B.

(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)

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

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	05/15/2026		P		10,000	A	$2.46	72,510	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:

Remarks:

	/s/ Mary Szela, Attorney-in-Fact	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)

FAQ

What insider transaction did TLSI director Gary B. Gordon report?

Gary B. Gordon reported an open-market purchase of TriSalus Life Sciences stock. He bought 10,000 shares of Common Stock at $2.46 per share, increasing his direct ownership to 72,510 shares following the May 15, 2026 transaction.

How many TLSI shares did Gary B. Gordon buy and at what price?

He bought 10,000 shares of TriSalus Life Sciences Common Stock at $2.46 per share. This open-market purchase on May 15, 2026, brought his directly held position to a total of 72,510 shares after the transaction.

What is Gary B. Gordon’s TLSI shareholding after this Form 4?

After the reported transaction, Gary B. Gordon directly owns 72,510 shares of TriSalus Life Sciences Common Stock. This reflects an increase from his prior holdings due to the open-market purchase of 10,000 shares on May 15, 2026.

Was the TLSI insider transaction a purchase or a sale?

The insider transaction was a purchase. Director Gary B. Gordon conducted an open-market buy of 10,000 shares of TriSalus Life Sciences Common Stock at $2.46 per share, raising his direct holdings to 72,510 shares after the trade.

Does the TLSI Form 4 show any derivative or option exercises?

The Form 4 does not show any derivative or option exercises. It reports only a single non-derivative transaction: an open-market purchase of 10,000 shares of Common Stock, bringing Gary B. Gordon’s directly held position to 72,510 shares.