Arkolith/Insider Trading/LB/Form 4

Capobianco David N

Name: Arkolith
Brand: Arkolith

Director, 10% OwnerLandBridge Co LLC (LB) · full profile →Form 4 · filed Nov 20, 2025

Net Selling

Open-Market Buys

Open-Market Sells

$175.0M

Net Open-Market Flow

-$175.0M

Transactions

3 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

Date	Action	Shares	Price	Value	Owned After
Nov 18, 2025	Other(J)	2.5M	—	$0	48.6M
Nov 18, 2025	Sell(S)	2.5M	$70.00	$175.0M	0
Nov 18, 2025	Conversion(C)	2.5M	—	$0	2.5M

Derivative Transactions (Table II)

Date	Action	Shares	Price	Value	Owned After
Nov 18, 2025	Conversion(C)	2.5M	—	$0	48.6M

Transaction Codes

J: Other acquisition / disposition
S: Open-market sale
C: Conversion of a derivative

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001193125-25-290287) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.gov Raw Form 4 XML