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Nasdaq · CIK 0002123613

KARD Kardigan, Inc.

Insider trading from SEC Form 4. Last filing 12 d ago. Close $14.67 on Oct 9, 2026, +9% from the 52-week low and -43% from the high.

Kardigan, Inc. (KARD) has 6 SEC Form 4 filings on file from 4 insiders, the latest filed on Oct 1, 2026. No insider bought or sold on the open market in the last 90 days; rows filed in that time are grants, exercises, tax withholding and other transactions that carry no view on the price.

2 open-market trades have been scored at KARD. The newest: ARCH Venture Partners XIII, LLC (director and 10% owner) bought $20M of stock on Jun 22, 2026, filed Jun 24, 2026, scored 51 (moderate). 2 insiders bought within 14 days of each other around Jun 22, 2026.

KARD closed at $14.67 on Oct 9, 2026, 9% above its 52-week low and 43% below its 52-week high.

Last 90 days

Net insider value
$0
no open-market trades
Buys
0
$0 by 0 insiders
Sells
0
$0 by 0 insiders
Insiders on file
4
with a Form 4 at this company

Price and insider trades, last year

KARDOct 9, 2026 · close 14.67

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

Open-market buys and sells at Kardigan, Inc., scored.

ScoreInsiderValueHoldingsPrice contextFiled
51ModerateARCH Venture Partners XIII, LLC
director, owner
buy
$20M
1,250,000 shares
+9%-
51ModeratePaul L Berns
director, owner
buy
$20M
1,250,000 shares
+9%-

Transactions

Every row filed, 15 in all.

DateInsiderTransactionSharesPriceValueHoldings afterFiled
Sep 29, 2026Kristin Marie K Reinke
director
AGrant or award
Stock Options (right to buy)derivative
+48,368$0.00$048,36812 d ago
Jun 22, 2026ARCH Venture Partners XIII, LLC
director, owner
POpen-market purchase
Common Stockindirect: By: ARCH Venture Fund XIII, L.P.
+1,250,000$16.00$20M15,042,035Jun 24, 2026
Jun 22, 2026Paul L Berns
director, owner
POpen-market purchase
Common Stockindirect: By ARCH Venture Fund XIII, L.P.
+1,250,000$16.00$20M15,042,035Jun 24, 2026
Jun 17, 2026ARCH Venture Partners XIII, LLC
director, owner
CConversion
Common Stockindirect: By: ARCH Venture Fund XIII, L.P.
+13,792,035--13,792,035Jun 22, 2026
Jun 17, 2026Paul L Berns
director, owner
CConversion
Common Stockindirect: By ARCH Venture Fund XIII, L.P.
+13,792,035--13,792,035Jun 22, 2026
Jun 17, 2026Jay Edelberg
Chief Medical Officer
CConversion
Common Stock
+97,587--135,543Jun 22, 2026
Jun 17, 2026ARCH Venture Partners XIII, LLC
director, owner
CConversion
Series A Preferred Stockderivativeindirect: By ARCH Venture Fund XIII, L.P.
-5,148,587--0Jun 22, 2026
Jun 17, 2026Paul L Berns
director, owner
AGrant or award
Common Stock
+20,706$0.00$020,706Jun 22, 2026
Jun 17, 2026Jay Edelberg
Chief Medical Officer
AGrant or award
Common Stock
+47,784$0.00$0183,327Jun 22, 2026
Jun 17, 2026ARCH Venture Partners XIII, LLC
director, owner
CConversion
Series B Preferred Stockderivativeindirect: By ARCH Venture Fund XIII, L.P.
-1,204,000--0Jun 22, 2026
Jun 17, 2026Paul L Berns
director, owner
CConversion
Series A Preferred Stockderivativeindirect: By ARCH Venture Fund XIII, L.P.
-5,148,587--0Jun 22, 2026
Jun 17, 2026ARCH Venture Partners XIII, LLC
director, owner
CConversion
Series B-1 Preferred Stockderivativeindirect: By ARCH Venture Fund XIII, L.P.
-2,306,401--0Jun 22, 2026
Jun 17, 2026Paul L Berns
director, owner
CConversion
Series B Preferred Stockderivativeindirect: By ARCH Venture Fund XIII, L.P.
-1,204,000--0Jun 22, 2026
Jun 17, 2026Jay Edelberg
Chief Medical Officer
CConversion
Series B Preferred Stockderivative
-61,268--0Jun 22, 2026
Jun 17, 2026Paul L Berns
director, owner
CConversion
Series B-1 Preferred Stockderivativeindirect: By ARCH Venture Fund XIII, L.P.
-2,306,401--0Jun 22, 2026

Insiders

Everyone who has filed a Form 4 here.

Questions about KARD

Answered from the filings on this page, as of the latest one.

Are insiders buying KARD?

No. In the last 90 days no insider at Kardigan, Inc. bought or sold shares on the open market according to SEC Form 4 filings. The rows on file from that period are grants, exercises, tax withholding or other transactions, which carry no view on the price.

Who was the last insider to trade KARD on the open market?

ARCH Venture Partners XIII, LLC (director and 10% owner) bought $20M of KARD on Jun 22, 2026 and filed the Form 4 on Jun 24, 2026. InsiderTell scored 51 (moderate), with 2 insiders on the same side within 14 days.

How many insiders file Form 4 at Kardigan, Inc.?

4 people have filed a Form 4 at Kardigan, Inc., among them ARCH Venture Partners XIII, LLC (10% owner and director), Paul L Berns (director, officer and 10% owner), Jay Edelberg (Chief Medical Officer). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

KARD insider trading: Kardigan, Inc. | InsiderTell