EdgeMarketInstruments › TLSI

TLSI — TriSalus Life Sciences, Inc.

US Healthcare Medical devices equity mkt cap 324.5M
5.27 +0.76% today
USD · as of 2026-08-21

Price · 2024-08-26 → 2026-08-21

499 daily closes shown
52w low 2.52 · high 7.50

Anonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2021-02-08.

Performance

1 day+0.76%
1 week+0.00%
1 month+23.42%
3 months+52.75%
6 months-3.30%
Year to date-13.61%
1 year+2.93%
3 years-52.74%
5 years-46.66%

Technicals

RSI 1461.3
vs 50-day avg+15.84%
vs 200-day avg+9.62%
Volatility 1y79.0%
Max drawdown 1y-66.40%
Avg volume 30d200.0K
Daily bars held1,391
History from2021-02-08

Measured signals that fired on TLSI

datesignal measured base rate
2026-05-15Institutional holders jumped in a quarter
ownership
-0.52% over 21 days · t = -0.38 · n = 1,553
not distinguishable from its control group
2026-03-20Cluster sale: three or more insiders
insider
-0.37% over 21 days · t = -3.38 · n = 21,542
statistically distinguishable from its control group

Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →

Insider transactions (Form 4)

dateinsiderwhatshares pricevalue
2026-07-01Patience David
Chief Financial Officer
Shares withheld for tax14.7K4.4665.3K
2026-06-30Szela Mary T
CEO and President
Grant or award4.0K3.8715.4K
2026-06-30Marshak Richard
Chief Commercial Officer
Grant or award5613.872.2K
2026-06-29Marshall Richard Henry
Chief Medical Officer
Grant or award60.0K0.000
2026-05-15Stansky Michael P
Director
Open-market purchase410.0K2.501.0M
2026-05-15Stansky Michael P
Director
Open-market purchase200.0K2.50500.0K
2026-05-15Wahlstrom Mats
Director
Open-market purchase60.0K2.53151.8K
2026-05-15Szela Mary T
CEO and President
Open-market purchase39.7K2.59102.8K
2026-05-15Gordon Gary B.
Director
Open-market purchase10.0K2.4624.6K
2026-05-15Patience David
Chief Financial Officer
Open-market purchase7.1K2.4317.3K

Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →

Largest institutional holders

managervalueshares
First Light Asset Management, LLC20.3M5.1M
AWM Investment Company, Inc.8.3M2.1M
Nantahala Capital Management, LLC8.3M2.1M
BlackRock, Inc.6.0M1.5M
WASATCH ADVISORS LP5.8M1.4M
VANGUARD CAPITAL MANAGEMENT LLC5.4M1.3M
GILDER GAGNON HOWE & CO LLC3.6M888.5K
Cerity Partners LLC3.1M787.3K
GEODE CAPITAL MANAGEMENT, LLC3.1M777.1K
KENNEDY CAPITAL MANAGEMENT LLC1.9M485.2K

13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →

Latest SEC filings

formfiledperiod
10-Q2026-08-062026-06-30on EDGAR ↗
8-K2026-08-062026-08-06on EDGAR ↗
SCHEDULE 13G/A2026-07-07on EDGAR ↗
42026-07-062026-07-01on EDGAR ↗
42026-07-012026-06-30on EDGAR ↗
52026-07-012025-12-31on EDGAR ↗
42026-07-012026-06-30on EDGAR ↗
52026-07-012025-12-31on EDGAR ↗

Short selling

Avg short volume, 90d63.6% of tape
Days observed61

This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →

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