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KRSA · Korsana Biosciences, Inc.
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KRSA Korsana Biosciences (KRSA) Insider Trading, Ownership & Congress Trades

Pharma & Biotech · Pharmaceutical preparations · CIK 0001755237
Quote by TradingView
Form 144 · 3
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
0
13F, latest reported quarter

KRSA Stock Sonar score 1/7 axes

Find similar shapesCompare
Risk and compliance
90
Inputs
  • Short interest, % of float+0.3% · 90 pct, sector of 814
  • Recalls per $1B revenue, 3yrevenue under $50M or not filed, so a count cannot be scaled to size
  • EPA cases per $1B revenue, 5yrevenue under $50M or not filed, so a count cannot be scaled to size
  • New text in Risk Factors, latest 10-Kneeds two 10-Ks with a Risk Factors section (not 20-F filers or stubs)
6 not measured: Profitability, Financial health, Growth, Insider conviction, Institutional and government, US patents
  • Profitability needs 2 of 4 inputs, 0 present: not filed
  • Financial health needs 1 of 2 inputs, 0 present: not filed
  • Growth needs 1 of 2 inputs, 0 present: no backlog line filed, or no year-earlier backlog; no revenue for this year and the year before
  • Insider conviction needs 1 of 2 inputs, 0 present: no insider trades in 180 days; no open-market insider trades in 180 days
  • Institutional and government needs 1 of 4 inputs, 0 present: fewer than five funds report holding it; no Congress trades in 365 days; no federal contracts in 180 days; no lobbying filings in the last four quarters
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

1 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

What the filings say about KRSA

Insiders filed 3 Form 144 notices of intent to sell in the 90 days to 2026-10-12, covering $249.9K of stock. Each figure is counted from SEC and House filings as of 2026-10-12, dated the day the filing was made public.

KRSA filings FAQ

Are there planned insider sales of KRSA?

Yes. 3 Form 144 notices of planned insider sales were filed in the 90 days to 2026-10-12, covering $249.9K of stock; the latest, by ERROL B DE SOUZA, was filed 2026-09-23.

Seven facts, ranked against the sector · Rank is not a forecast
Insiders
no insider buys or sells on file
Congress
no Congress trades reported
Funds
under five funds report holding it
Revenue
no revenue reported in any filing
Margin
no margin: no revenue reported
Buybacks
no share repurchases reported
Short interest
0.3% of the float short (float per yahoo 2026-10-09) · 1.0 days to cover · settled 2026-09-30
The situation: each line is one rule over one dataset
3 insiders filed to sell ($249.9K), not sold yet.
What changed in the last 30 days
Sep 23Director ERROL B DE SOUZA filed to sell $171.6K by Sep 23 (Form 144)
Why it matters
A Form 144 is a notice of intent to sell; the sale may not happen, and it says nothing about the price.
Sep 22Director ERROL B DE SOUZA filed to sell $3.5K by Sep 22 (Form 144)
Why it matters
A Form 144 is a notice of intent to sell; the sale may not happen, and it says nothing about the price.
Sep 18Director ERROL B DE SOUZA filed to sell $74.8K by Sep 18 (Form 144)
Why it matters
A Form 144 is a notice of intent to sell; the sale may not happen, and it says nothing about the price.

Watch KRSA

A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.

Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
Insiders have filed to sell, before selling.
The record shows $249.9K in planned Form 144 sales. Each figure is a federal filing, dated the day it went public.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector by SEC SIC code
UTHRCPIXMRNAREGNLLYALNYMDGLCITRDNAVRTXNUVLTWST

Korsana Biosciences insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

No insider purchases or sales are on record for Korsana Biosciences, Inc. in the period covered. Source: SEC Form 4 filings, as of 2026-10-12.

Insider
Filed
Shares
Value

no insider purchases or sales on record

0 transactions on record
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Who owns KRSA: institutional holders (13F)

13F holdings, latest reported quarter
SEC 13F
No reported 13F holders

No fund above the reporting threshold listed this stock last quarter. That is a fact, not missing data.

Congress trades in KRSA

No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.

KRSA planned insider sales (Form 144)

Notice of intent to sell, filed before any sale
ERROL B DE SOUZA
Filed 2026-09-23
$171.6K
ERROL B DE SOUZA
Filed 2026-09-22
$3.5K
ERROL B DE SOUZA
Filed 2026-09-18
$74.8K

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