JANA Partners Management, LP
SEC insider (Form 3/4/5 filer). CIK 0001998597. 10% Owner at Rapid7, Inc. (RPD) and 3 other issuers. 39 reported Form 4/5 transactions since Sep 2024; latest on Jun 9, 2026. Located in NEW YORK, NY.
Companies JANA Partners Management, LP has filed insider reports for
- Rapid7, Inc. (RPD): 10% Owner
- Lamb Weston Holdings, Inc. (LW): Director
- MERCURY SYSTEMS INC (MRCY): Director
- TreeHouse Foods, Inc. (THS): Director, 10% Owner
JANA Partners Management, LP
CIK: 0001998597
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (39 total)
- Jun 9, 2026RPD
Rapid7, Inc.
OtherIndirect15.2K shares- - Apr 15, 2026LW
Lamb Weston Holdings, Inc.
PurchaseIndirect50K shares at avg. $43.19$2.2M - Apr 13, 2026LW
Lamb Weston Holdings, Inc.
PurchaseIndirect100K shares at avg. $42.12$4.2M - Apr 8, 2026LW
Lamb Weston Holdings, Inc.
PurchaseIndirect100K shares at avg. $41.41$4.1M - Apr 7, 2026LW
Lamb Weston Holdings, Inc.
PurchaseIndirect136K shares at avg. $40.89$5.6M - Mar 4, 2026MRCY
MERCURY SYSTEMS INC
SaleIndirect100.9K shares at avg. $89.68$9.0M - Mar 3, 2026MRCY
MERCURY SYSTEMS INC
SaleIndirect168.6K shares at avg. $90.12$15.2M - Mar 2, 2026MRCY
MERCURY SYSTEMS INC
SaleIndirect182.5K shares at avg. $94.05$17.2M - Feb 11, 2026THS
TreeHouse Foods, Inc.
DispositionIndirect3.9M shares- - Feb 11, 2026THS
TreeHouse Foods, Inc.
ExerciseIndirect7.7K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 9, 2026 |  RPD Rapid7, Inc. | Other | 15,208 | - | $0 | Indirect |
| Apr 15, 2026 |  LW Lamb Weston Holdings, Inc. | Purchase | 50,000 | $43.19 | $2,159,500 | Indirect |
| Apr 13, 2026 | LW Lamb Weston Holdings, Inc. | Purchase | 100,000 | $42.12 | $4,212,000 | Indirect |
| Apr 8, 2026 | LW Lamb Weston Holdings, Inc. | Purchase | 100,000 | $41.41 | $4,141,000 | Indirect |
| Apr 7, 2026 | LW Lamb Weston Holdings, Inc. | Purchase | 136,000 | $40.89 | $5,561,040 | Indirect |
| Mar 4, 2026 |  MRCY MERCURY SYSTEMS INC | Sale | 100,899 | $89.68 | $9,048,622 | Indirect |
| Mar 3, 2026 | MRCY MERCURY SYSTEMS INC | Sale | 168,648 | $90.12 | $15,198,558 | Indirect |
| Mar 2, 2026 | MRCY MERCURY SYSTEMS INC | Sale | 182,510 | $94.05 | $17,165,066 | Indirect |
| Feb 11, 2026 |  THS TreeHouse Foods, Inc. | Disposition | 3,862,116 | - | $0 | Indirect |
| Feb 11, 2026 | THS TreeHouse Foods, Inc. | Exercise | 7,727 | - | $0 | Indirect |
1-10 of 39 transactions