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Data as of 2026-09-29
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LB: Congress and insider trades

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

Key Facts

  • LB is a listed stock.
  • 1 member of Congress filed 2 buys and 0 sells of LB, the latest published 2025-12-16 (16 December 2025).
  • Insiders filed 0 open market buys worth $0 and 2 sells worth $188M, the latest filed 2026-08-11 (11 August 2026).
  • Across 1 scored buy, Congress averaged +45.8% against the S&P 500 (SPY) over the 90 days after disclosure, with 100% of them ahead of the index. That result is too few trades to tell.
  • Data as of 2026-09-29 (29 September 2026).
Congress buys 2 1 members
Congress sells 0
Insider buys 0 $0
Insider sells 2 $188M
Congress buys vs S&P, 90d +45.8% 1 scored buys
Insider buys vs S&P, 90d n/a 0 scored buys

Congress trades in LB

as of 2025-12-16
  1. Gil Cisneros2 trades
Congress trades in LB, newest first.
FiledMemberTypeSizeDays to file90 day vs S&P
16 Dec 2025 Gil Cisneros (D-CA) buy 50K–100K 25 +45.8%
16 Dec 2025 Gil Cisneros (D-CA) buy 15K–50K 24 +45.8%

Insider trades in LB

as of 2026-08-11
Open market insider trades in LB, newest first.
FiledInsiderTypeSharesPriceValue90 day vs S&P
11 Aug 2026 LandBridge Holdings LLC sell 1,250,000 $75.05 $94M n/a
11 Aug 2026 Capobianco David N sell 1,250,000 $75.05 $94M n/a

Frequently asked questions

Who has bought LB?

2 Congress buys by 1 member and 0 insider buys are on file. The tables on this page list every one.

Did buying LB after a disclosure beat the market?

Across 1 scored buy, Congress averaged +45.8% against the S&P 500 (SPY) over the 90 days after disclosure, with 100% of them ahead of the index. That result is too few trades to tell. 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.