Primo Brands Corp (PRMB) — real insider trading activity disclosed to the SEC, tracked automatically as new Form 4 filings are reported. Most recent: FOSS ERIC J — 2 open-market purchases between 2026-08-10 and 2026-08-10, totaling $1,998,973.
Transactions disclosed by company insiders to the SEC on Form 4, most recent first.
| Insider | Role | Date | Shares | Value |
|---|---|---|---|---|
| FOSS ERIC J | Exec. Chair and CEO | 2026-08-10 | 83,900 | $1,996,543 |
| FOSS ERIC J | Exec. Chair and CEO | 2026-08-10 | 100 | $2,430 |
| ORCP III DE TopCo GP, LLC | Insider | 2026-08-07 | 20,410,340 | $497,399,986 |
| Lee Tony W | Director | 2026-08-07 | 20,410,340 | $497,399,986 |
Position changes disclosed in SEC Form 13F filings. These report a quarterly snapshot, not exact trade dates.
| Fund | Change | Quarter |
|---|---|---|
| NORGES BANK | NORGES BANK opened a new position worth $73,357,589. | 2026-06-30 |
| Senator Investment Group LP | Senator Investment Group LP opened a new position worth $39,297,931. | 2026-06-30 |
| Apollo Management Holdings, L.P. | Apollo Management Holdings, L.P. opened a new position worth $168,277,978. | 2026-06-30 |
| DIMENSIONAL FUND ADVISORS LP | DIMENSIONAL FUND ADVISORS LP increased this position by 2187% ($2,402,436 -> $54,941,270). | 2026-06-30 |
| FULLER & THALER ASSET MANAGEMENT, INC. | FULLER & THALER ASSET MANAGEMENT, INC. increased this position by 20% ($265,941,148 -> $319,574,644). | 2026-06-30 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC increased this position by 14% ($245,848,095 -> $279,271,556). | 2026-06-30 |
| Pertento Partners LLP | Pertento Partners LLP increased this position by 55% ($99,799,339 -> $154,368,832). | 2026-06-30 |
| VANGUARD CAPITAL MANAGEMENT LLC | VANGUARD CAPITAL MANAGEMENT LLC increased this position by 30% ($202,538,097 -> $262,905,821). | 2026-06-30 |
Largest reported positions as of 2026-06-30.
| Fund | Value | Shares |
|---|---|---|
| One Rock Capital Partners, LLC | $2,840,192,099 | 116,210,806 |
| FMR LLC | $449,455,486 | 18,390,159 |
| Sachem Head Capital Management LP | $434,909,800 | 17,795,000 |
| FULLER & THALER ASSET MANAGEMENT, INC. | $319,574,644 | 13,075,886 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | $279,271,556 | 11,426,823 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $277,003,547 | 11,334,024 |
| VANGUARD CAPITAL MANAGEMENT LLC | $262,905,821 | 10,757,194 |
| AMERIPRISE FINANCIAL INC | $225,618,348 | 9,231,371 |
| Apollo Management Holdings, L.P. | $168,277,978 | 6,885,351 |
| Pertento Partners LLP | $154,368,832 | 6,316,237 |
Data compiled from public SEC filings. This is informational reporting, not investment advice.
Primo Brands Corp (NYSE: PRMB) saw a notable show of insider confidence on August 10, 2026, when Executive Chairman and CEO Eric J. Foss purchased 83,900 shares on the open market at $23.80 per share, a transaction valued at $1,996,543.13. The buy was made with Foss’s own capital rather than through an option exercise or … Read more
Quarter Ending 2026-03-31 During the quarter ending 2026-03-31, William Blair Investment Management, LLC made notable adjustments across its equity portfolio, with a clear tilt toward adding to existing positions rather than establishing new ones. The most significant new commitment was a fresh stake in Birkenstock Holding PLC (BIRK), valued at $92,276,654. Several holdings saw dramatic … Read more