Market Mechanics
From filing to price impact: microstructure, currency-normalised comparisons, walk-forward design.
Sabre’s 3 director buys on 10 September: what they say
Sabre Insurance’s CEO, claims director and chief actuary all bought via the SIP. The sector backdrop is softer, and that matters.
Diageo’s 7-insider buy cluster meets a weak spirits market
Diageo’s CFO joined a 7-insider buy cluster as spirits demand stays soft, with US consumption weak and the stock near 1,600p.
GSK’s 10-insider buy cluster lands beside FTSE 100 calm
GSK’s 10-person buy cluster is tiny in cash terms, but it arrives as pharma trades through trial risk, rate pressure and peer volatility.
Applied Nutrition: CEO and COO sell EUR 22.4m after FY26 upgrade
Applied Nutrition’s CEO-linked seller and COO sold EUR 22.4m after a strong FY26 upgrade. The sector is hot, but the timing matters.
NuScale CFO sells 20,000 shares as SMR slips 15.7%
NuScale Power fell 15.7% after UBS cut it to Sell. CFO Robert Ramsey Hamady’s August sale adds to a three-insider cluster.
PHINIA's September 9 sale adds to an 8-insider cluster
PHINIA's VP of Operational Excellence sold 2,097 shares on September 9 as a broader 8-insider selling cluster met a weak auto-supplier tape.
BillionToOne’s $2m insider sales versus Natera and Guardant
BillionToOne’s September insider sales came as diagnostics stayed hot, peers traded unevenly, and the stock sat well below its August peak.
Chime’s $2.1m DST sales land after the Stride deal
Chime’s DST Global Advisors sales came after the Stride acquisition and raised guidance, with fintech peers still trading selectively.
Cybin’s Paul Glavine buys EUR 1.07m as peers run
Cybin’s chief growth officer bought EUR 1.07m of stock as psychedelic biotech peers rallied on policy support, Lilly deal flow and Phase 3 catalysts.
Anterix’s September sales, and the 900 MHz trade
Anterix drew a September selling cluster as 900 MHz scarcity, utility deals and a post-rally pullback set the backdrop for ATEX.
ABC Arbitrage board seller trims EUR 24,964 as ABCA holds near
ABC Arbitrage’s board-level selling cluster lands as ABCA trades near EUR 5.23, with sector flows, peers, and our cohort read in focus.
Henlius directors sold EUR 16.5k as Hong Kong biotech slipped
Two Henlius directors sold H shares on September 11 as Hong Kong biotech fell and the stock extended a 10.13% weekly drop.