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Insider · CIK 0001366074

Mark Lappe

ceoofficerdirector

Files at INBX (Inhibrx Biosciences, Inc.). First filing Sep 8, 2026, latest Sep 28, 2026.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
2 / 0
$3.6M bought, $0 sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

INBX: Inhibrx Biosciences, Inc.

INBXOct 9, 2026 · close 95.01

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

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
63Notable
INBXbuy 2
Inhibrx Biosciences, Inc.
$999k
10,000 shares
+1%-
65Notable
INBXbuy 3
Inhibrx Biosciences, Inc.
$2.6M
25,000 shares
+4%-

Transactions

Every row this insider has filed, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Sep 25, 2026INBX
Inhibrx Biosciences, Inc.
POpen-market purchase
Common Stockindirect: By the Lappe Family Trust
+3,324$98.87$329k733,87214 d ago
Sep 25, 2026INBX
Inhibrx Biosciences, Inc.
POpen-market purchase
Common Stockindirect: By the Lappe Family Trust
+2,176$99.60$217k736,04814 d ago
Sep 28, 2026INBX
Inhibrx Biosciences, Inc.
POpen-market purchase
Common Stockindirect: By the Lappe Family Trust
+1,500$98.88$148k737,54814 d ago
Sep 28, 2026INBX
Inhibrx Biosciences, Inc.
POpen-market purchase
Common Stockindirect: By the Lappe Family Trust
+3,000$101.70$305k740,54814 d ago
Sep 8, 2026INBX
Inhibrx Biosciences, Inc.
POpen-market purchase
Common Stockindirect: By the Lappe Family Trust
+5,895$99.29$585k711,44334 d ago
Sep 8, 2026INBX
Inhibrx Biosciences, Inc.
POpen-market purchase
Common Stockindirect: By the Lappe Family Trust
+6,605$100.64$665k718,04834 d ago
Sep 8, 2026INBX
Inhibrx Biosciences, Inc.
POpen-market purchase
Common Stockindirect: By the Lappe Family Trust
+1,100$107.12$118k719,14834 d ago
Sep 8, 2026INBX
Inhibrx Biosciences, Inc.
POpen-market purchase
Common Stockindirect: By the Lappe Family Trust
+500$108.24$54k719,64834 d ago
Sep 8, 2026INBX
Inhibrx Biosciences, Inc.
POpen-market purchase
Common Stockindirect: By the Lappe Family Trust
+1,219$111.88$136k720,86734 d ago
Sep 8, 2026INBX
Inhibrx Biosciences, Inc.
POpen-market purchase
Common Stockindirect: By the Lappe Family Trust
+9,681$112.28$1.1M730,54834 d ago

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.

Mark Lappe: insider trades and track record | InsiderTell