Inhibrx Inc (INBX): Congress and insider trades

Who in Congress and inside the company traded INBX, when each filing appeared, and what buying after each one would have earned against the S&P 500.

Key Facts

  • Inhibrx Inc (INBX) is a listed stock on NASDAQ.
  • Insiders filed 5 open market buys worth $2.4M and 2 sells worth $115K, the latest filed 2026-09-28 (28 September 2026).
  • 1 cluster buy of INBX by three or more insiders within 30 days.
  • Data as of 2026-09-29 (29 September 2026).
Congress buys 0 0 members
Congress sells 0
Insider buys 5 $2.4M
Insider sells 2 $115K
Congress buys vs S&P, 90d n/a 0 scored buys
Insider buys vs S&P, 90d n/a 0 scored buys

Insider trades in INBX

as of 2026-09-28
Open market insider trades in INBX, newest first.
FiledInsiderTypeSharesPriceValue90 day vs S&P
28 Sep 2026 Lappe Mark buy 4,500 $100.76 $453K n/a
28 Sep 2026 Lappe Mark buy 5,500 $99.16 $545K n/a
23 Sep 2026 Kayyem Jon Faiz buy 5,000 $100.00 $500K n/a
10 Sep 2026 MANHARD KIMBERLY sell 500 $115.80 $57.9K n/a
10 Sep 2026 MANHARD KIMBERLY sell 500 $115.14 $57.6K n/a
8 Sep 2026 FORSYTH DOUGLAS buy 2,500 $114.65 $287K n/a
8 Sep 2026 Kayyem Jon Faiz buy 5,000 $113.52 $568K n/a

Cluster buys in INBX

Times three or more insiders bought INBX within 30 days.
Last filedStockInsidersTradesTotal valueDays spanned90 day vs S&P
28 Sep 2026 INBX 3 5 $2.4M 20 n/a

Frequently asked questions

Who has bought INBX?

0 Congress buys by 0 members and 5 insider buys are on file. The tables on this page list every one.

Did buying INBX after a disclosure beat the market?

No disclosed buy of this stock has matured 90 days yet. A single stock is a small sample.

Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.

Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.