TLSI
TriSalus Life Sciences, Inc. · Healthcare · Market cap $226.0M
Insiders sold $4K net in the last 90 days ·3 sellers, 0 buyers· latest Form 4 filed Oct 7, 2026
Insider Buying
$3.6M
reported purchases (SEC code P)
Insider Selling
$140K
reported sales (SEC code S)
Unique Insiders
10
in the rolling window
Latest filing
Oct 7, 2026
Cox Bryan F.
TriSalus Life Sciences, Inc. (TLSI) has 38 SEC Form 4 filings (56 transaction rows) in the rolling window, disclosed by 10 distinct insiders. Most recent filing: Oct 7, 2026.
Inside the rolling window, 10 insiders at TriSalus Life Sciences, Inc. reported 10 open-market purchases totaling $3.6M and 18 open-market sales totaling $140K. The most active filer is Chief Commercial Officer Marshak Richard with 5 filings. Insiders have net bought $1.8M over the trailing 6 months. The largest single insider purchase in this window was $1.5M by Director Stansky Michael P on May 15, 2026. The most recent open-market filing is a sale of 296 shares by Chief of Research Cox Bryan F., dated Oct 5, 2026, worth $1K.
- Industry:Medical - Devices
- CEO:Mary T. Szela
- Employees:102
- HQ:Westminster, CO, US
- IPO:2021-02-08
| Source | |||||||
|---|---|---|---|---|---|---|---|
Cox Bryan F.First in 7 months | Chief of Research | Sale | 296 | $1K | Oct 7 | -13.6% | SEC ↗ |
Stevens JenniferFirst in 7 months | Chief Regulatory Officer | Sale | 316 | $1K | Oct 7 | -13.6% | SEC ↗ |
Marshak RichardFirst in 5 months | Chief Commercial Officer | Sale | 325 | $1K | Oct 7 | -13.6% | SEC ↗ |
| Chief Commercial Officer | Sale | 543 | $1K | May 19 | +16.5% | SEC ↗ | |
| Director | Purchase | 610,000 | $1.5M | May 18 | +21.1% | SEC ↗ | |
| CEO and President | Purchase | 39,682 | $103K | May 18 | +21.1% | SEC ↗ | |
Wahlstrom MatsFirst filing | Director | Purchase | 60,000 | $152K | May 18 | +21.1% | SEC ↗ |
| Chief Financial Officer | Purchase | 7,100 | $17K | May 18 | +21.1% | SEC ↗ | |
| Director | Purchase | 10,000 | $25K | May 18 | +21.1% | SEC ↗ | |
Devlin JodiFirst filing | Chief of Clinical Operations | Sale | 1,162 | $5K | Mar 20 | — | SEC ↗ |
Devlin JodiFirst filing | Chief of Clinical Operations | Sale | 1,772 | $7K | Mar 20 | — | SEC ↗ |
Devlin JodiFirst filing | Chief of Clinical Operations | Sale | 273 | $1K | Mar 20 | — | SEC ↗ |
Marshak RichardFirst filing | Chief Commercial Officer | Sale | 1,449 | $6K | Mar 20 | — | SEC ↗ |
Marshak RichardFirst filing | Chief Commercial Officer | Sale | 1,589 | $6K | Mar 20 | — | SEC ↗ |
Marshak RichardFirst filing | Chief Commercial Officer | Sale | 419 | $2K | Mar 20 | — | SEC ↗ |
Cox Bryan F.First filing | Chief of Research | Sale | 1,138 | $5K | Mar 20 | — | SEC ↗ |
Cox Bryan F.First filing | Chief of Research | Sale | 1,467 | $6K | Mar 20 | — | SEC ↗ |
Cox Bryan F.First filing | Chief of Research | Sale | 579 | $2K | Mar 20 | — | SEC ↗ |
Stevens JenniferFirst filing | Chief Regulatory Officer | Sale | 1,204 | $5K | Mar 20 | — | SEC ↗ |
Stevens JenniferFirst filing | Chief Regulatory Officer | Sale | 1,552 | $6K | Mar 20 | — | SEC ↗ |
Stevens JenniferFirst filing | Chief Regulatory Officer | Sale | 774 | $3K | Mar 20 | — | SEC ↗ |
| CEO and President | Sale | 4,358 | $18K | Mar 20 | — | SEC ↗ | |
| CEO and President | Sale | 15,944 | $61K | Mar 20 | — | SEC ↗ | |
Stansky Michael PFirst filing | Director | Purchase | 361,098 | $1.5M | Feb 23 | — | SEC ↗ |
Szela Mary TFirst filing | CEO and President | Purchase | 30,487 | $125K | Feb 23 | — | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does TLSI have?
TriSalus Life Sciences, Inc. (TLSI) has 38 SEC Form 4 filings (56 transaction rows) in the rolling 365-day window, disclosed by 10 distinct insiders. Most recent filing: Oct 7, 2026.
When was the most recent SEC Form 4 filing for TLSI?
The most recent Form 4 filing for TLSI on Tracefour is dated Oct 7, 2026.
Who is the most active insider at TLSI?
The most active SEC Form 4 filer at TLSI in the rolling window is Chief Commercial Officer Marshak Richard, with 5 filings.
What is the net insider flow at TLSI over the last 6 months?
Over the trailing 180 days, insiders at TLSI have net bought $1.8M based on SEC Form 4 disclosures.
What was the largest insider purchase at TLSI?
The largest single insider open-market purchase at TLSI in the rolling window was $1.5M by Director Stansky Michael P on 2026-05-15.
What is the total insider buy and sell value at TLSI in the current window?
Inside the rolling window, insiders at TLSI bought $3.6M and sold $140K based on SEC Form 4 filings.
Can I get alerts for TLSI insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at TriSalus Life Sciences, Inc. (TLSI). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
TriSalus Life Sciences, Inc. is in the Healthcare sector.