Apollo Principal Holdings B, L.P. is an investment firm that reports beneficial ownership of shares in Apollo S3 Private Markets Fund and 1 other company under U.S. securities law. It has submitted 20 SEC insider filings since 2024, most recently in July 2026.
Latest filing:
Apollo Principal Holdings B, L.P. has 12 SEC Form 4 filings on record going back to 2024, most recently on 31 July 2026. Lifetime open-market purchases: $235.29M.
Every recent SEC Form 4 transaction Apollo Principal Holdings B, L.P. has reported, most recent first.
5.1K shares @ $0.00-
23.7K shares @ $0.00-
InsiderAlpha's records for Apollo Principal Holdings B, L.P. go back to 2024: 12 primary Form 4 filings, an average of 4.0 per year. The typical open-market purchase is $26.14M (9 buys totaling $235.29M). No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
Apollo Principal Holdings B, L.P. has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Apollo Principal Holdings B, L.P. is an investment firm, tracked as 10% Owner. InsiderAlpha holds 12 primary Form 4 filings for it, the earliest from 2024, updated as new SEC EDGAR filings are processed.
The most recent primary Form 4 on record is dated 31 July 2026, one of 12 filings going back to 2024.
Recorded transactions: 9 open-market purchases ($235.29M) and 0 open-market sales across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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5.1K shares @ $0.00-
23.6K shares @ $0.00-
625.8K shares @ $27.96$17.50M
5.1K shares @ $0.00-
23.6K shares @ $0.00-
1.01M shares @ $27.63$28.00M
5.0K shares @ $0.00-
23.5K shares @ $0.00-
894.4K shares @ $27.39$24.50M
884.0K shares @ $27.72$24.50M
768.7K shares @ $27.32$21.00M
778.1K shares @ $26.99$21.00M
687.6K shares @ $26.72$18.37M
2.00M shares @ $25.00$49.90M
1.22M shares @ $25.00$30.51M