TLSI

TriSalus Life Sciences, Inc.

NasdaqHealthcareSURGICAL & MEDICAL INSTRUMENTS & APPARATUS

Insider activity for last month from 10/03 to 11/03.

How these metrics are calculated

Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Total buying$00 buys
Total selling$4.11k3 sells
Net open-market−$4.11kBuying minus selling
Active insiders4Distinct reporting owners

Insider activity report

Calendar-month buckets within the selected date range

Latest filing: Oct 07, 2026

Open-market transaction mix · 3 transactions in the selected period
0 buys0%·100%3 sells

Code A includes awards, grants and other acquisitions; these are not open-market buys. A rolling period can include partial calendar months.

View exact monthly counts and disclosed values
Monthly activity within the selected period; unknown values remain unknown.
MonthBuysSellsAwards (A)Buy valueSell valueNet P/S value
Oct 2026030$0$4.11k-$4.11k
Nov 2026000$0$0$0

Distinct insiders active

Reporting-owner CIKs by month · peak Oct 2026 (4)
Oct 2026: 4 insidersNov 2026: 0 insiders
Oct 2026Nov 2026
4distinct insiders in selected period
Largest insider activity
By absolute net disclosed value · current transaction page
4 insiders
  • ST
    Szela Mary TCEO, PRES · 0 buys · 0 sells · 0 awards (A)
    -$11.8klast 10/07/2026
  • MR
    Marshak RichardCCO · 0 buys · 1 sells · 0 awards (A)
    -$1.4klast 10/07/2026
  • SJ
    Stevens JenniferCRO · 0 buys · 1 sells · 0 awards (A)
    -$1.4klast 10/07/2026
  • CF
    Cox Bryan F.CR · 0 buys · 1 sells · 0 awards (A)
    -$1.3klast 10/07/2026

TLSI transaction history

Newest filings · 20 transactions per page

Latest insider transactions

Form 4 filings from last month.
Newest company filings
CompanyInsiderActivityDisclosed valueFiled (ET)
TLSITriSalus Life Sciences, Inc.
Cox Bryan F.CRS · saleSEC filing ↗-$1.29kView disclosure →
TLSITriSalus Life Sciences, Inc.
Marshak RichardCCOS · saleSEC filing ↗-$1.42kView disclosure →
TLSITriSalus Life Sciences, Inc.
Stevens JenniferCROS · saleSEC filing ↗-$1.38kView disclosure →
TLSITriSalus Life Sciences, Inc.
Szela Mary TCEO · PRESF · withholdingSEC filing ↗-$11.7kView disclosure →

Filing-only signals

Deterministic matches in the selected period

Recent filing activity
Most recent 4 transactions on this page · color = transaction code

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale$1.42k
10b5-1 detected0
Amended rows0

Transaction codes

By Form 4 transaction code in selected period
4transactionstxns
  • S · Open-market sells · dominant3 · 75%
  • F · Tax withholding1 · 25%

Activity by reported role

A joint filing can contribute to multiple roles
CCO1
Chief executive officer1
CR1
CRO1
PRES1

Reported Holdings After

Separated by insider, security, and ownership type

Szela Mary TCommon Stock · Direct
1.1M1.1MOct 05, 2026Oct 05, 2026
1,074,990Oct 05, 2026
Stevens JenniferCommon Stock · Direct
123.8k123.8kOct 05, 2026Oct 05, 2026
123,794Oct 05, 2026
Marshak RichardCommon Stock · Direct
128.0k128.0kOct 05, 2026Oct 05, 2026
127,994Oct 05, 2026
Cox Bryan F.Common Stock · Direct
162.8k162.8kOct 05, 2026Oct 05, 2026
162,805Oct 05, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Current transaction page only · each cell is a filing date · buys green, sells red
1 active days
Oct 03 → Nov 03
LessMore

TriSalus Life Sciences, Inc. Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at TriSalus Life Sciences, Inc.?

Cox Bryan F., Marshak Richard, Stevens Jennifer, Szela Mary T.

When was the latest reported open-market purchase?

No code-P purchase is available for this period.

When was the latest reported open-market sale?

Cox Bryan F. reported a sale on Oct 05, 2026 valued at $1.29k. Read the SEC filing.

What is the recent purchase and sale balance?

Net open-market selling in the selected period was $4,113.43. Sales can occur for many non-investment reasons.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.