Landis G. Michael 4

What Happened
Landis G. Michael, Chief Financial Officer of Polaryx Therapeutics, Inc. (PLYX), purchased 2,867 shares of Polaryx stock in an open-market transaction on February 18, 2026. The shares were acquired at $2.79 per share for a total cost of $7,991. This was a purchase (insider buy), which some investors view as a modest bullish signal, though the dollar amount is relatively small.

Key Details

• Transaction date: 2026-02-18 (reported on Form 4 filed 2026-02-20)
• Transaction type/code: Open market purchase (P)
• Shares purchased: 2,867 at $2.79 per share
• Total value: $7,991
• Shares owned after transaction: Not specified in the supplied filing details
• Footnotes/plans: No 10b5-1 plan, tax withholding, or other footnotes were indicated in the provided transaction information
• Timeliness: Transaction dated Feb 18 and Form 4 filed Feb 20 — appears to have been filed within the normal 2-business-day window

Context

• Insider purchases can signal confidence, but small-dollar buys (under $10k) may also reflect routine buying or portfolio actions and should be weighed with other information.
• This was a straightforward open-market purchase — not an option exercise, award, or gift.