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Polaryx Therapeutics, Inc.

PLYX Net buying
CIK 0002075320 #4292 in the set updated 18 Sep 2026
Bought (12 mo)
$367.99K
out of their own pocket, the only kind of buying there is
Sold (12 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

2
Insider
Date
Role
Action
Shares
Price
Amount
Yang Alex Keun Mo
27 May 2026
Chief Executive Officer
Buy indirect
88,453
$4.07
$360.00K
Landis G. Michael
18 Feb 2026
Chief Financial Officer
Buy
2,867
$2.79
$7.99K

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