Starboard Value & Opportunity Master Fund L LP

This profile gathers the share dealings of Starboard Value & Opportunity Master Fund L LP across 12 companies, led by Wausau Paper Corp., ODP Corp and Quantum Corp /DE/. Between 8 August 2012 and 16 May 2025, the trades on record add up to 313 filings.

On the open market, the record shows 127 purchases worth €37.2M and 139 sales worth €98.3M. The net balance comes to €61.1M on the selling side. Buying on the open market means paying the going price with one's own funds, a different act from receiving shares as pay. Besides market trades, the filings include 1 share grant and 42 option exercises.

In size, the median ticket on the buying side is €97k.

The record was last updated on 16 May 2025 with a transaction (€10.8M) in Acacia Research Corp. The last insider purchase was made public on 6 May 2013, 4,918 days ago. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 2 days. For comparison, the SEC allows two business days to file a Form 4. Sales are harder to read than purchases, since they often meet personal needs such as tax or diversification. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.