van Bijsterveld Markus Jacobus Lambertus

Executive

Insider activity · 24 months6 buys3 salesCumulative net flow

Nov 24 · 0 buys · 0 salesDec 24 · 0 buys · 0 salesJan 25 · 0 buys · 0 salesFeb 25 · 0 buys · 0 salesMar 25 · 0 buys · 0 salesApr 25 · 0 buys · 0 salesMay 25 · 0 buys · 0 salesJun 25 · 0 buys · 0 salesJul 25 · 0 buys · 0 salesAug 25 · 0 buys · 0 salesSept 25 · 0 buys · 0 salesOct 25 · 0 buys · 0 salesNov 25 · 1 buy · 0 salesDec 25 · 0 buys · 0 salesJan 26 · 0 buys · 0 salesFeb 26 · 0 buys · 0 salesMar 26 · 5 buys · 3 salesApr 26 · 0 buys · 0 salesMay 26 · 0 buys · 0 salesJun 26 · 0 buys · 0 salesJul 26 · 0 buys · 0 salesAug 26 · 0 buys · 0 salesSept 26 · 0 buys · 0 salesOct 26 · 0 buys · 0 sales

Total declarations

Company

▲ Purchases (6 ops.)

€50k

▼ Sales (3 ops.)

€129k

Latest filing published 30 Mar 2026 for SOLVAY. Read the official filing

Filing timeline

BuySale

van Bijsterveld Markus Jacobus Lambertus

Insider track record

Disclosed buys

Disclosed sells

T+90 hit rate

100%

T+90 mean return

+0.8%

Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.

Signal history

van Bijsterveld Markus Jacobus Lambertus: trading record in brief

van Bijsterveld Markus Jacobus Lambertus, listed as chief executive, appears in our data through filings on Solvay shares, published by FSMA. Over a trading history stretching from 6 November 2025 to 27 March 2026, the count stands at 9 filings.

The open-market side counts 6 purchases for €50k alongside 3 sales for €129k. The totals do not cover 5 filings with an undisclosed amount. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. So far in 2026, the count stands at 5 purchases and 3 sales.

The newest entry dates from 30 March 2026: an open-market purchase, in Solvay. Typically, a trade is published a median of 3 days after it takes place. The regulation allows three business days to notify a trade (MAR article 19). Source: insider filings from FSMA. Past trades are no guide to future returns.