Form4insider filings, from the source

Insider holders · CIK 0001609212

AMG Pantheon Master Fund, LLC

Every insider with a reported Table I holding at this company, ranked by their last-reported share count. A balance is only as fresh as its filing — the report date sits next to every row on purpose. ← Back to activity

InsiderDirect sharesIndirect sharesTotal reportedLast report (ET)From
Kaiser Foundation Hospitals10% Owner5,235,595—5,235,595Dec 5, 2017 · 8:25 pm ESTForm 4
AMG 2014 Capital LLC10% Owner924,000—924,000Apr 2, 2015 · 6:06 pm EDTForm 4
Jeffrey Grant Millerrelationship not stated0—0Feb 14, 2019 · 7:38 pm ESTForm 3
Kevin Dunwoodierelationship not stated0—0Feb 14, 2019 · 7:46 pm ESTForm 3
Wilmes Kathryn Leafrelationship not stated0—0Feb 14, 2019 · 7:43 pm ESTForm 3
Evan Corleyrelationship not stated0—0May 10, 2018 · 3:50 pm EDTForm 3
Matt Garfunklerelationship not stated0—0Feb 8, 2017 · 12:25 pm ESTForm 3
Brian J Buennekerelationship not stated0—0Feb 8, 2017 · 12:22 pm ESTForm 3

Balances come from each insider’s most recent filing that reports a Table I holding; an insider who left the company years ago still appears with their last-known figure and its date. Indirect totals collapse multiple vehicles (trusts, LLCs) into one number — open the filing for the breakdown. Shares as filed, not split-adjusted.