$TLSI stock has now risen 17% today, according to our price data from Polygon. There has been approximately $3,170,393 of trading volume.

Here is what we see in our data on $TLSI (you can track the company live on Quiver's $TLSI stock page):

$TLSI Insider Trading Activity

$TLSI insiders have traded $TLSI stock on the open market 26 times in the past 6 months. Of those trades, 12 have been purchases and 14 have been sales.

Here’s a breakdown of recent trading of $TLSI stock by insiders over the last 6 months:

• MICHAEL P STANSKY has made 4 purchases buying 971,098 shares for an estimated $3,005,501 and 0 sales.
• MARY T SZELA (CEO and President) has made 2 purchases buying 70,169 shares for an estimated $227,773 and 2 sales selling 20,302 shares for an estimated $79,382.
• MATS WAHLSTROM purchased 60,000 shares for an estimated $151,800
• WILLIAM VALLE purchased 30,487 shares for an estimated $124,996
• GARY B. GORDON has made 2 purchases buying 19,756 shares for an estimated $64,599 and 0 sales.
• DAVID PATIENCE (Chief Financial Officer) has made 2 purchases buying 10,757 shares for an estimated $32,246 and 0 sales.
• JENNIFER STEVENS (Chief Regulatory Officer) has made 0 purchases and 3 sales selling 3,530 shares for an estimated $14,509.
• RICHARD MARSHAK (Chief Commercial Officer) has made 0 purchases and 3 sales selling 3,457 shares for an estimated $14,209.
• JODI DEVLIN (Chief of Clinical Operations) has made 0 purchases and 3 sales selling 3,207 shares for an estimated $13,171.
• BRYAN F. COX (Chief of Research) has made 0 purchases and 3 sales selling 3,184 shares for an estimated $13,085.

To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.

$TLSI Hedge Fund Activity

We have seen 51 institutional investors add shares of $TLSI stock to their portfolio, and 28 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

• FIRST LIGHT ASSET MANAGEMENT, LLC added 5,066,827 shares (+inf%) to their portfolio in Q1 2026, for an estimated $20,267,308
• WASATCH ADVISORS LP removed 1,437,960 shares (-100.0%) from their portfolio in Q2 2026, for an estimated $6,542,718
• BLACKROCK, INC. added 1,159,671 shares (+77.3%) to their portfolio in Q2 2026, for an estimated $5,276,503
• AWM INVESTMENT COMPANY, INC. added 835,325 shares (+67.2%) to their portfolio in Q1 2026, for an estimated $3,341,300
• CERITY PARTNERS LLC added 787,272 shares (+inf%) to their portfolio in Q1 2026, for an estimated $3,149,088
• WEALTHCARE ADVISORY PARTNERS LLC removed 643,740 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $2,574,960
• THOMPSON SIEGEL & WALMSLEY LLC added 583,574 shares (+inf%) to their portfolio in Q1 2026, for an estimated $2,334,296

To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.

$TLSI Revenue

$TLSI had revenues of $11.4M in Q2 2026. This is an increase of 1.73% from the same period in the prior year.

You can track TLSI financials on Quiver Quantitative's TLSI stock page.

You can access data on TLSI stock through the Quiver Quantitative API.

$TLSI Price Targets

Multiple analysts have issued price targets for $TLSI recently. We have seen 2 analysts offer price targets for $TLSI in the last 6 months, with a median target of $7.5.

Here are some recent targets:

• Frank Takkinen from Lake Street set a target price of $8.0 on 05/13/2026
• William Plovanic from Canaccord Genuity set a target price of $7.0 on 03/09/2026

You can track data on $TLSI on Quiver Quantitative.

This article is not financial advice. See Quiver Quantitative's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.

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