SEC reporting owner

Arbuckle Stuart A SEC insider disclosures

Explore Arbuckle Stuart A's reporting-owner identity, issuer relationships, purchases, sales and SEC filing receipts.

As of 2026-10-07T00:29:11.873Z

Reporting owner CIK
0001557290
Issuers
6
Coverage
verified

Issuer relationships

A reporting-owner CIK identifies the filer across issuer relationships and name aliases. A filer may be an individual or an organization; the filing role is the relevant evidence.

VERTEX PHARMACEUTICALS INC / MA0000875320VRTXYesNo
Cerulean Pharma Inc.0001401914CERUNoYes
ImmunoGen, Inc.0000855654IMGNNoYes
RHYTHM PHARMACEUTICALS, INC.0001649904RYTMNoYes
ALNYLAM PHARMACEUTICALS, INC.0001178670ALNYNoYes
Praxis Precision Medicines, Inc.0001689548PRAXNoYes

Recent SEC transactions

Code P identifies a purchase, S a sale and A an award. Awards and open-market purchases describe different events. Use the public availability date when deciding when a researcher could have known about the transaction.

2026-06-262026-06-24RYTMA2,324Not reported
2026-06-262026-06-24RYTMA3,691Not reported
2026-06-132026-06-10PRAXA1,371Not reported
2026-06-132026-06-10PRAXA648Not reported
2026-05-232026-05-20ALNYA671Not reported
2026-05-232026-05-20ALNYA1,441Not reported
2026-02-112026-02-06PRAXA478Not reported
2026-02-112026-02-06PRAXA688Not reported
2026-02-112026-02-06PRAXA224Not reported
2026-01-082026-01-05ALNYA3,279Not reported
2025-06-272025-06-24RYTMA4,712Not reported
2025-06-272025-06-24RYTMA7,037Not reported
2025-05-162025-05-13VRTXA37,622Not reported
2025-02-152025-02-12VRTXA7,903Not reported
2025-02-072025-02-04VRTXA8,448Not reported
2025-02-072025-02-04VRTXA14,624Not reported

Up to 50 transactions from the recent two-year owner window.

Source evidence and strategy eligibility

The transactions below come from filings; a historical tracker separately simulates following eligible events. Joint filers can report the same transaction, and an owner can have filings at multiple companies. Public availability, amendment lineage and verified coverage determine which events a historical tracker may use.

The current directory marks this owner's filing coverage verified.