Mark Besca

CIK 1831351 · View on SEC EDGAR ↗

Insider

First SEC filing: Jan. 28, 2025 · Latest: June 17, 2026

On this page

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 16 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

16 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Nov. 3, 2023 MKL P 50 $1316.90 $65,845 785 Direct +6.80% Acquired 36.0% (price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
May 29, 2025 CLAR Stock Option (right to purchase) Common Stock (20,000) $3.21 May 29, 2035 20,000 Acquired
Jan. 27, 2025 LVS Common Stock (Right to Buy) Common Stock (8,136) $43.45 Jan. 26, 2035 8,136 Acquired
Dec. 5, 2024 CLAR Stock Option (right to purchase) Common Stock, par value $0.0001 per share ("Common Stock") (10,000) $4.57 Dec. 5, 2034 10,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 2 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
Jan. 28, 2025 LVS No securities are beneficially owned 0 Direct
Dec. 9, 2024 CLAR Common Stock, par value $0.0001 per share 0 Direct