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TPST
NASDAQ Life Sciences

CEO and 10% Owner Matthew Angel Buys Over $500K in Tempest Therapeutics Stock

Arie Shkolnikov · Analysis by Wiseek AI
More coverage: Biotech Stocks · Healthcare
Sentiment info
Positive
Importance info
9
Price
$2.21
Mkt Cap
$23.457M
52W Low
$1.655
52W High
$12.23
52W Position info
34% above low
Off High info
82% below high
Rel. Volume info
3.2× avg
Market data snapshot near publication time

TPST sits 34% above its 52-week low of $1.655 on elevated volume (3.2× avg).

Summary

Tempest Therapeutics' CEO, President, and 10% owner, Matthew Angel, purchased over $500,000 in company stock on the open market, signaling strong insider confidence.


Key Events · Ownership and Investor Activity · TPST

  • Significant Insider Purchase

    Matthew Angel, the CEO, President, and a 10% owner, acquired 231,482 shares of common stock for a total value of $500,001.12 in an open market transaction.

  • Strong Leadership Conviction

    The substantial purchase by a key insider holding multiple leadership roles (CEO, President, Director, 10% Owner) indicates high confidence in the company's valuation and future outlook.

  • Follows Recent Financing

    This open market purchase on March 24, 2026, comes just two days after the company announced a private placement agreement on March 23, 2026, to raise $2.0 million, suggesting the CEO's belief in the company's strengthened financial position.


Analysis · TPST · Life Sciences

Matthew Angel, serving as CEO, President, Director, and a 10% owner, made a substantial open market purchase of Tempest Therapeutics stock, acquiring over $500,000 worth of shares. This significant insider buying, representing more than 2% of the company's market capitalization, signals strong conviction from top leadership. The purchase follows closely on the heels of a private placement agreement announced two days prior, suggesting the CEO's confidence in the company's direction and financial stability after securing additional capital. Investors should view this as a highly positive indicator of internal belief in the company's future prospects.

How filings like this one have moved

In the 30 days to Sep 10, 2026, 43.8% of the 571 measured filings Wiseek scored 9 moved their stock by 5% or more by the next session's close. The median move was -0.55%. These are measured outcomes after filings of this importance, not a forecast for this one.

Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset

At the time of this filing, TPST was trading at $2.21 on NASDAQ in the Life Sciences sector, with a market capitalization of approximately $23.5M. The 52-week trading range was $1.65 to $12.23. This filing was assessed with positive market sentiment and an importance score of 9 out of 10.

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TPST - Latest Insights

TPST
Sep 01, 2026, 5:00 PM EDT
Filing Type: 424B3
Importance Score:
8
Price at Filing: $1.05
Real-time Price: $0.8991 info
Change: -$0.1509 (-14%) info
Market Cap: $14.367M info
TPST
Aug 24, 2026, 4:48 PM EDT
Source: Reuters
Importance Score:
7
Price at Filing: $1.10
Real-time Price: $0.8991 info
Change: -$0.2009 (-18%) info
Market Cap: $14.367M info
TPST
Aug 21, 2026, 4:46 PM EDT
Filing Type: S-1
Importance Score:
8
Price at Filing: $1.04
Real-time Price: $0.8991 info
Change: -$0.1409 (-14%) info
Market Cap: $14.367M info
TPST
Aug 13, 2026, 5:03 PM EDT
Source: Reuters
Importance Score:
7
Price at Filing: $1.20
Real-time Price: $0.8991 info
Change: -$0.3009 (-25%) info
Market Cap: $14.367M info
TPST
Aug 13, 2026, 4:36 PM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $1.20
Real-time Price: $0.8991 info
Change: -$0.3009 (-25%) info
Market Cap: $14.367M info