Yang Alex Keun Mo
Chief Executive Officer
PurchaseAlert
- Shares
- 88,453
- Price
- $4.07
- Value
- $360,004
SEC EDGAR · Forms 3/4/5Updated through Oct 30, 2026•9 filings
PLYX
Polaryx Therapeutics, Inc.
No net buying or selling imbalance over the last 3 months
No net buyers or sellers account for the net balance. There is no cluster of three distinct buyers within 30 days. We found 2 CEO/CFO purchases over 12 months.
How to read this signal
Only open-market P purchases and S sales count toward the signal. Vesting, options, taxes and gifts remain in the source data but do not trigger alerts. Rule 10b5-1 trades are shown as informational.
3-month balance
$0.00
0 buyers · 0 sellers
12-month purchases
$367,994
3 distinct insiders
12-month sales
$0.00
0 distinct insiders
Highlighted alerts
2
0 Rule 10b5-1 trades treated as informational
Buying cluster · 30 days
Fewer than three distinct buyers
CEO/CFO purchases · 12 months
2 executive purchases found
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Form 4 raw → Raspberry
The value is in what we do not call a signal.
The SEC XML stores every transaction. Raspberry keeps that evidence, reads the footnotes and separates voluntary open-market activity from vesting, option exercises, gifts, tax withholding, stock purchase and dividend reinvestment plans and pre-programmed 10b5-1 trades.
2
Raw transactions
Everything returned by the filing
2
Voluntary view
P/S trades after deterministic checks
0
Administrative noise
Stored, never alerted
0
10b5-1
Shown as informational
SEC ownership XML facts
- Code
- P
- Shares
- 88,453
- Price
- $4.07
- Footnotes
- 2
As disclosed in the Issuer's Form 8-K filed with the Securities and Exchange Commission on May 28, 2026, MStone Partners Healthcare Limited ("Mstone") purchased 88,453 shares of common stock in a private placement transaction, for gross proceeds to the Issuer of $360,000. Alex Keun Mo Yang is the founder and Chief Executive Officer of Mstone. Mr. Yang disclaims beneficial ownership over any of the reported securities, except to the extent of his pecuniary interest therein.
Raspberry interpretation
Eligible voluntary-market alert
Reason: voluntary_market_trade.
Recent transactions
Voluntary purchases and sales; administrative noise stays hidden.
Landis G. Michael
Chief Financial Officer
PurchaseAlert
- Shares
- 2,867
- Price
- $2.79
- Value
- $7,991
“Alert” means a voluntary, unscheduled transaction according to the filing; it is not an investment recommendation. Official source: SEC EDGAR.