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Polaryx Therapeutics, Inc.

PLYX Net buying

CIK 0002075320 #4292 in the set updated 18 Sep 2026

Bought (120 mo)

$367.99K

out of their own pocket, the only kind of buying there is

Sold (120 mo)

$0.00

$0.00 on a plan · $0.00 straight out of an exercise

Sold at will

$0.00

0 of 0 sales

Net

+$367.99K

+$367.99K against sales at will

By person

2 insiders · 2 transactions

124×

Alex Yang holds 124 times base salary in stock. $98.63M of shares against $792.00K in salary for 2025.

Salary from the company's own proxy. The shares are what Alex Yang last reported holding, valued at $4.07, the price Common Stock was last bought or sold at on the open market here, on 27 May 2026.

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Yang Alex Keun Mo

Chief Executive Officer

$360.00K (1)

—

+$360.00K

24,233,249

48.62%

$98.63M

+0.4%

Landis G. Michael

Chief Financial Officer

$7.99K (1)

—

+$7.99K

228,225

0.4579%

$928.88K

+1.3%

Individual transactions

Nothing of that kind in this period.

What was left out

Form 4 filings counted 2

Amendments (4/A) skipped 0

Filings about a different issuer 0

Unreadable filings 0

Joint filings 1

Sales on a Rule 10b5-1 plan 0

Sales straight out of an exercise 0

Sales at will 0

Transactions with no price 0

Shares from compensation/vesting 0

History held since 20 Feb 2026