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HDSN
NASDAQ Trade & Services

Hartree Partners Buys 300,000 HDSN Shares for $1.31M Near 52-Week Low

Arie Shkolnikov · Analysis by Wiseek AI
More coverage: Chemical Stocks · Materials
Sentiment info
Positive
Importance info
7
Price
$4.223
Mkt Cap
$178.035M
52W Low
$4.104
52W High
$9.18
52W Position info
2.9% above low
Off High info
54% below high
Rel. Volume info
1.2× avg
Market data snapshot near publication time

HDSN is trading near its 52-week low of $4.104 (2.9% above the low).

Summary

Hartree Partners bought 300,000 Hudson Technologies shares for about $1.31 million between October 29 and November 2, lifting its stake to 5,648,517 shares. The purchases at $4.25-$4.44 came with the stock near its 52-week low.


Key Events · Ownership and Investor Activity · HDSN

  • Hartree Adds 300,000 Shares

    10% owner Hartree Partners bought 300,000 shares in three open-market transactions from 2026-10-29 to 2026-11-02, totaling $1,313,588 at a $4.25-$4.44 range.

  • Stake Rises to 5.65 Million

    Post-transaction holdings are 5,648,517 shares, up from roughly 5.2 million after the 2026-08-26 filing.

  • Buying at 52-Week Low

    Prices of $4.25-$4.44 sit near the $4.10 52-week low, well below the $5.10 paid in the September filings.

  • Fourth Filing in Accumulation Run

    Follows Form 4 purchases on 2026-08-26, 2026-09-23 and 2026-09-28; 90-day open-market buying now totals $1,226,416 before this filing.


Analysis · HDSN · Trade & Services

A large holder is adding while the market is selling. Hartree Partners, already a 10% owner, picked up 300,000 shares for about $1.31 million over four days, its biggest single tranche of this accumulation campaign and roughly 2.5x the size of its late-September purchase. The buying came at $4.25-$4.44, right at the stock's 52-week low of $4.10. That is a real vote of confidence, but it is a financial investor rather than an executive, so it says more about perceived value than about operations. The stake now stands at 5,648,517 shares.

How filings like this one have moved

In the 30 days to Nov 2, 2026, 32.7% of the 1910 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was 0.00%. 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, HDSN was trading at $4.22 on NASDAQ in the Trade & Services sector, with a market capitalization of approximately $178M. The 52-week trading range was $4.10 to $9.18. This filing was assessed with positive market sentiment and an importance score of 7 out of 10.

View Main SEC Filing

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HDSN - Latest Insights

HDSN
Oct 28, 2026, 4:05 PM EDT
Source: Dow Jones Newswires
Importance Score:
7
Price at Filing: $5.12
Real-time Price: $4.28 info
Change: -$0.840 (-16%) info
Market Cap: $178.035M info
HDSN
Sep 17, 2026, 4:05 PM EDT
Source: GlobeNewswire
Importance Score:
7
Price at Filing: $5.15
Real-time Price: $4.28 info
Change: -$0.870 (-17%) info
Market Cap: $178.035M info
HDSN
Aug 07, 2026, 4:05 PM EDT
Filing Type: 10-Q
Importance Score:
7
Price at Filing: $5.60
Real-time Price: $4.28 info
Change: -$1.32 (-24%) info
Market Cap: $178.035M info
HDSN
Aug 05, 2026, 7:00 PM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $6.48
Real-time Price: $4.28 info
Change: -$2.20 (-34%) info
Market Cap: $178.035M info
HDSN
Aug 05, 2026, 6:42 PM EDT
Source: Reuters
Importance Score:
8
Price at Filing: $6.36
Real-time Price: $4.28 info
Change: -$2.08 (-33%) info
Market Cap: $178.035M info