SUPRAN BRYAN sold $399K of ALNY
SUPRAN BRYAN (EVP, CLO and Secretary) sold 1,758 shares of ALNYLAM PHARMACEUTICALS, INC. (ALNY) at $226.88 ($0.40M total) on 2026-10-02.
How this was made
The 30-second read
Why it matters
The disclosed sale provides fresh data on insider holdings but is modest in scale.
Market read
A small insider sell; limited immediate trading impact.
What to watch
Bryan's sale represents less than 0.5% of total shares outstanding, unlikely to move the stock materially.
Background
ALNYLAM Pharmaceuticals filed a Form 4 reporting an insider transaction by its EVP, CLO and Secretary.
Ticker impact
Form 4 shows EVP/Chief Legal Officer Supran Bryan sold 1,758 shares for $398,855, reducing his stake to 12,807 shares.
potential modest pressure as the market prices in the insider sell
The sale size is modest relative to the company's market cap, but the insider's role adds some weight.
Market effects
None significant for the biotech sector.
No broader regional effect.
Limited to investors tracking insider activity.
Counterpoint
The sale could be routine portfolio rebalancing, not a negative signal.
Key entities
- personSupran Bryan
EVP, Chief Legal Officer and Secretary of ALNYLAM
- companyALNYLAM Pharmaceuticals, Inc.
Biotech firm developing RNA therapeutics



