Market Mechanics
From filing to price impact: microstructure, currency-normalised comparisons, walk-forward design.
Robert Gayton buys EUR 49,107 as copper rips
Amerigo director Robert Gayton bought EUR 49,107 of stock as copper hit records, with the filing landing beside a two-insider cluster.
Three insiders bought Trekor after the June 29 rebrand
Trekor Metals drew three senior-officer buys on August 12 as copper stayed hot. Here is the filing against Capstone Copper and the sector backdrop.
ABC Arbitrage board sales, EUR 13.5k, and a volatile 2026
ABC Arbitrage’s board-linked sales landed as volatility returned to European arbitrage. Here is how the filings fit the business, peers, and setup.
Tikehau Capital: Flamarion buys EUR 141k as peers rally
Antoine Flamarion bought Tikehau Capital stock in three August filings while the Paris alternative manager trades near EUR 17 and peers stay firm.
Materion CFO sells EUR 433,473 after record Q2
Materion’s CFO sold EUR 433,473 after record Q2 results. The materials backdrop is firm, but the filing cluster deserves a careful read.
Airbnb’s August 2026 sales cluster after a 17% jump
Airbnb insiders sold into a post-earnings surge after Q2 beat estimates and lifted guidance, while peers Expedia and Booking also firmed.
Chris Rogers sells EUR 214,018 of CART as peers run
Instacart parent Maplebear sits in a hot online grocery market while CEO Chris Rogers sells EUR 214,018 under a 10b5-1 plan.
Twist Bioscience: Robert Chess sells EUR 1.8m after Q3
Twist Bioscience rallied after Q3 and a $300 million raise. Director Robert Chess sold EUR 1.8m under a 10b5-1 plan, and the cluster matters.
Antoine Flamarion buys EUR 105k as Tikehau tests 17
Antoine Flamarion bought EUR 105,212 of Tikehau Capital stock as the French alternatives manager trades near EUR 17 and rates stay high.
CRL director James C. Foster sells EUR 6.8m after a 12.8% Q2
Charles River director James C. Foster sold EUR 6.8m after a 12.8% Q2 revenue gain, with peers and CRO demand setting the frame.
Koppers: 5 insiders sold after Q2, Sullivan took $4.0m
Koppers posted firmer Q2 sales, then 5 insiders sold in August. Read the cluster against chemicals demand, margins, and the stock's move.
Snowflake director sells EUR 16.4m as Datadog stays pricier
Snowflake director Michael Speiser sold EUR 16.4m while the stock held near highs. Read it against Datadog, AI capex, and peer valuation.