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PLYX

Polaryx Therapeutics (PLYX) stock: insider trades, news & valuation

Net buying
Close · Oct 9, 2026 $2.00 +0.0% on the day -94.3% over 12 months 52-week range $1.87 – $35.00

Share price and insider trades

PLYX closeInsider buyInsider sale
010203040MarAprMayJunJulAugSepOctBought $7,999 on 2026-02-18 · G. Michael LandisBought $360,004 on 2026-05-27 · Mstone Partners Healthcare Ltd
Bought, 12 months$360K
Sold, 12 months$0
Insiders buying1
Insiders selling0

Polaryx Therapeutics insider trading at a glance (Oct 9, 2026): in the past 12 months, 1 insider bought $360K and 0 sold $0 of PLYX stock on the open market.

PLYX insider buying and selling by quarter

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

Q1 2026: $8K bought (1 trades)$8KQ1 2026Q2 2026: $360K bought (1 trades)$360KQ2 2026Q3 2026Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0—0
Q3 2026—0—0
Q2 2026$360K1—0
Q1 2026$8K1—0

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−$185KOn all tracked purchases -50.4%

Summary

Over the past 12 months, 1 Polaryx Therapeutics, Inc. insider reported open-market purchases totaling $360K, while 0 insiders reported sales totaling $0.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
May 28SEC Mstone Partners Healthcare LtdDirector Buy 88,45324,233,249 held (+0%) $4.07 $360K -50.9% —
Feb 20SEC G. Michael LandisCFO Buy 2,867228,225 held (+1%) $2.79 $8K -28.3% —

Insiders at Polaryx Therapeutics, Inc.

InsiderBoughtSoldLast filingScore
Mstone Partners Healthcare LtdDirector $360K — May 28, 2026 —
G. Michael LandisCFO $8K — Feb 20, 2026 —

PLYX stock: common questions

Are Polaryx Therapeutics, Inc. insiders buying PLYX stock?

In the past 12 months, 1 insiders reported open-market purchases of PLYX worth $360K. The latest was Director Mstone Partners Healthcare Ltd bought $360K of PLYX at $4.07 — first open-market purchase in our records.

Are Polaryx Therapeutics, Inc. insiders selling PLYX stock?

0 insiders reported sales worth $0 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 PLYX's 52-week range?

Over the past year PLYX has traded between $1.87 and $35.00. It last closed at $2.00 on Oct 9, 2026.