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TLSI

TriSalus Life Sciences (TLSI) stock: insider trades, news & valuation

Strong buying
Close · Oct 9, 2026 $4.06 -1.7% on the day -8.1% over 12 months 52-week range $2.52 – $7.50

Share price and insider trades

TLSI closeInsider buyInsider sale
2468NovDecJan 2026FebMarAprMayJunJulAugSepOctSold $1,450 on 2026-05-15 · Richard MarshakSold $4,113 on 2026-10-05 · Bryan F. Cox, Jennifer Stevens, Richard MarshakSold $8,425 on 2026-03-16 · Bryan F. Cox, Jennifer Stevens, Jodi Devlin, Richard MarshakSold $26,094 on 2026-03-12 · Bryan F. Cox, Jennifer Stevens, Jodi Devlin, Richard MarshakSold $38,454 on 2026-03-11 · Bryan F. Cox, Jennifer Stevens, Jodi Devlin, Mary T Szela, Richard MarshakSold $61,384 on 2026-03-17 · Mary T SzelaBought $1,785,488 on 2026-02-23 · David Patience, Gary B. Gordon, Mary T Szela, Michael P Stansky, William ValleBought $1,821,429 on 2026-05-15 · David Patience, Gary B. Gordon, Mary T Szela, Mats Wahlstrom, Michael P Stansky
Bought, 12 months$3.6M
Sold, 12 months$140K
Insiders buying6
Insiders selling5

TriSalus Life Sciences insider trading at a glance (Oct 9, 2026): in the past 12 months, 6 insiders bought $3.6M and 5 sold $140K of TLSI stock on the open market, including a cluster buy that began May 15, 2026.

TLSI insider buying and selling by quarter

Open-market purchases (green, above the line) and sales (red, below), by trade date.

Q1 2026: $1.8M bought (6 trades)$1.8MQ1 2026: $134K sold (14 trades)Q1 2026Q2 2026: $1.8M bought (6 trades)$1.8MQ2 2026: $1K sold (1 trades)Q2 2026Q3 2026Q4 2026: $4K sold (3 trades)Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0$4K3
Q3 2026—0—0
Q2 2026$1.8M6$1K1
Q1 2026$1.8M6$134K14

Valuation, profit and volume

P/E (trailing)n/aSector median —
Market value— 
Profit margin—Revenue growth —
Volume vs. 50-day0.6×Last 5 sessions
Insiders' paper profit+$1.1MOn all tracked purchases +30.8%

Summary

Over the past 12 months, 6 TriSalus Life Sciences, Inc. insiders reported open-market purchases totaling $3.6M, while 5 insiders reported sales totaling $140K. The most recent cluster buy began on May 15, 2026, when 5 insiders bought a combined $1.8M. Among insiders with enough purchase history to measure, Michael P Stansky (Director) has the highest Insider Score at 68. 0 of 18 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
Oct 7SEC Richard MarshakChief Commercial Officer Sell 325127,994 held (−0%) $4.39 $1K -7.5% —
Oct 7SEC Jennifer StevensChief Regulatory Officer Sell 316123,794 held (−0%) $4.39 $1K -7.5% —
Oct 7SEC Bryan F. CoxChief Of Research Sell 296162,805 held (−0%) $4.39 $1K -7.5% —
May 19SEC Richard MarshakChief Commercial Officer Sell 543125,101 held (−0%) $2.67 $1K +52.1% —
May 18SEC Michael P StanskyDirector Buy 410,0001,240,722 held (+49%) $2.50 $1.0M +62.4% 68
May 18SEC Michael P StanskyDirector Buy 200,000399,698 held (+100%) $2.50 $500K +62.4% 68
May 18SEC Mats WahlstromDirector Buy 60,000147,555 held (+69%) $2.53 $152K +60.5% —
May 18SEC Mary T SzelaCEO, President Buy 39,6821,065,215 held (+4%) $2.59 $103K +56.8% 63
May 18SEC Gary B. GordonDirector Buy 10,00072,510 held (+16%) $2.46 $25K +65.0% 68
May 18SEC David PatienceCFO Buy 7,100275,757 held (+3%) $2.43 $17K +67.1% 68
Mar 20SEC Mary T SzelaCEO, President Sell 15,944752,987 held (−2%) $3.85 $61K +5.5% 63
Mar 20SEC Mary T SzelaCEO, President Sell 4,358768,931 held (−1%) $4.13 $18K -1.7% 63
Mar 20SEC Jodi DevlinChief Of Clinical Operations Sell 1,77297,637 held (−2%) $4.09 $7K -0.7% —
Mar 20SEC Richard MarshakChief Commercial Officer Sell 1,589110,816 held (−1%) $4.09 $6K -0.7% —
Mar 20SEC Jennifer StevensChief Regulatory Officer Sell 1,552124,884 held (−1%) $4.09 $6K -0.7% —
Mar 20SEC Bryan F. CoxChief Of Research Sell 1,467163,994 held (−1%) $4.09 $6K -0.7% —
Mar 20SEC Richard MarshakChief Commercial Officer Sell 1,449112,405 held (−1%) $4.13 $6K -1.7% —
Mar 20SEC Jennifer StevensChief Regulatory Officer Sell 1,204126,436 held (−1%) $4.13 $5K -1.7% —
Mar 20SEC Jodi DevlinChief Of Clinical Operations Sell 1,16299,409 held (−1%) $4.13 $5K -1.7% —
Mar 20SEC Bryan F. CoxChief Of Research Sell 1,138165,461 held (−1%) $4.13 $5K -1.7% —
Mar 20SEC Jennifer StevensChief Regulatory Officer Sell 774124,110 held (−1%) $4.12 $3K -1.5% —
Mar 20SEC Bryan F. CoxChief Of Research Sell 579163,415 held (−0%) $4.12 $2K -1.5% —
Mar 20SEC Richard MarshakChief Commercial Officer Sell 419110,397 held (−0%) $4.12 $2K -1.5% —
Mar 20SEC Jodi DevlinChief Of Clinical Operations Sell 27397,364 held (−0%) $4.12 $1K -1.5% —
Feb 23SEC Michael P StanskyDirector Buy 243,900787,132 held (+45%) $4.10 $1000K -1.0% 68
Feb 23SEC Michael P StanskyDirector Buy 117,198199,698 held (+142%) $4.10 $481K -1.0% 68
Feb 23SEC Mary T SzelaCEO, President Buy 30,487773,289 held (+4%) $4.10 $125K -1.0% 63
Feb 23SEC William ValleDirector Buy 30,487new position $4.10 $125K -1.0% —
Feb 23SEC Gary B. GordonDirector Buy 9,756new position $4.10 $40K -1.0% 68
Feb 23SEC David PatienceCFO Buy 3,657268,657 held (+1%) $4.10 $15K -1.0% 68

Insiders at TriSalus Life Sciences, Inc.

InsiderBoughtSoldLast filingScore
Michael P StanskyDirector $3.0M — May 18, 2026 68
Mary T SzelaCEO, President $228K $79K May 18, 2026 63
Mats WahlstromDirector $152K — May 18, 2026 —
William ValleDirector $125K — Feb 23, 2026 —
Gary B. GordonDirector $65K — May 18, 2026 68
David PatienceCFO $32K — May 18, 2026 68
Richard MarshakChief Commercial Officer — $17K Oct 7, 2026 —
Jennifer StevensChief Regulatory Officer — $16K Oct 7, 2026 —
Bryan F. CoxChief Of Research — $14K Oct 7, 2026 —
Jodi DevlinChief Of Clinical Operations — $13K Mar 20, 2026 —

TLSI stock: common questions

Are TriSalus Life Sciences, Inc. insiders buying TLSI stock?

In the past 12 months, 6 insiders reported open-market purchases of TLSI worth $3.6M. The latest was Director Michael P Stansky bought $1.0M of TLSI at $2.50 — raises the stake by 49%.

Are TriSalus Life Sciences, Inc. insiders selling TLSI stock?

5 insiders reported sales worth $140K over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is TLSI's 52-week range?

Over the past year TLSI has traded between $2.52 and $7.50. It last closed at $4.06 on Oct 9, 2026.