JANA Partners Management, LP — SEC Form 4 filings
SEC reporting owner CIK 1998597. 27 Form 4 filings on record with FilingPulse; latest filed 2026-06-10.
Transaction summary — filings shown
Covers all 27 filings on record, filed 2024-02-13 to 2026-06-10. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 19 legs across 10 filings — 4,032,689 shares, $104,128,703 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 9 legs across 6 filings — 4,796,430 shares, $258,029,509 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 22.
- Largest priced transaction: sale of 1,000,000 shares @ $75.45 ($75,450,000) in MERCURY SYSTEMS INC, filed 2025-11-10.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| MERCURY SYSTEMS INC (MRCY) | Director | 10 | 5 legs · 1,727,361 sh · $48,834,438 | 8 legs · 2,837,209 sh · $210,067,779 | 2 |
| TreeHouse Foods, Inc. (THS) | Director, 10% owner | 7 | 4 legs · 905,589 sh · $20,562,697 | 1 leg · 1,959,221 sh · $47,961,730 | 15 |
| Rapid7, Inc. (RPD) | 10% owner | 6 | 6 legs · 1,013,739 sh · $18,658,028 | — | 3 |
| Lamb Weston Holdings, Inc. (LW) | Director | 4 | 4 legs · 386,000 sh · $16,073,540 | — | 2 |
Form 4 filings — JANA Partners Management, LP
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-10 | 4 | Rapid7, Inc. (RPD) | Other (J): 15,208 @ $0 | EDGAR |
| 2026-04-15 | 4 | Lamb Weston Holdings, Inc. (LW) | Purchase (P): 100,000 @ $42.12 · Purchase (P): 50,000 @ $43.19 | EDGAR |
| 2026-04-09 | 4 | Lamb Weston Holdings, Inc. (LW) | Purchase (P): 136,000 @ $40.89 · Purchase (P): 100,000 @ $41.41 | EDGAR |
| 2026-03-04 | 4 | MERCURY SYSTEMS INC (MRCY) | Sale (S): 182,510 @ $94.05 · Sale (S): 168,648 @ $90.12 · Sale (S): 100,899 @ $89.68 | EDGAR |
| 2026-02-11 | 4 | MERCURY SYSTEMS INC (MRCY) | Sale (S): 400,000 @ $81 | EDGAR |
| 2026-02-11 | 4 | TreeHouse Foods, Inc. (THS) | Disposition to issuer (D): 3,862,116 · Option exercise (M): 7,727 · Disposition to issuer (D): 7,727 · Option exercise (M): 7,727 (derivative) | EDGAR |
| 2026-02-10 | 4 | TreeHouse Foods, Inc. (THS) | Sale (S): 1,959,221 @ $24.48 · Other (J): 133,790 (derivative) · Other (J): 24,834 (derivative) · Other (J): 474,950 (derivative) · Other (J): 22,028 (derivative) | EDGAR |
| 2025-12-04 | 4 | Rapid7, Inc. (RPD) | Purchase (P): 41,545 @ $15.71 | EDGAR |
| 2025-11-25 | 4 | Rapid7, Inc. (RPD) | Purchase (P): 150,000 @ $14.13 · Purchase (P): 50,000 @ $15.01 | EDGAR |
| 2025-11-10 | 4 | MERCURY SYSTEMS INC (MRCY) | Sale (S): 1,000,000 @ $75.45 | EDGAR |
| 2025-10-24 | 4 | MERCURY SYSTEMS INC (MRCY) | Grant/award (A): 2,362 @ $0 | EDGAR |
| 2025-10-03 | 4 | Lamb Weston Holdings, Inc. (LW) | Grant/award (A): 4,345 @ $0 | EDGAR |
| 2025-08-15 | 4 | MERCURY SYSTEMS INC (MRCY) | Sale (S): 797,000 @ $65.42 | EDGAR |
| 2025-08-13 | 4 | Rapid7, Inc. (RPD) | Purchase (P): 358,738 @ $18.23 · Purchase (P): 163,456 @ $20.07 · Purchase (P): 250,000 @ $21.26 | EDGAR |
| 2025-07-29 | 4 | Lamb Weston Holdings, Inc. (LW) | Grant/award (A): 1,109 @ $0 | EDGAR |
| 2025-06-13 | 4 | Rapid7, Inc. (RPD) | Grant/award (A): 1,176 @ $0 | EDGAR |
| 2025-05-14 | 4 | TreeHouse Foods, Inc. (THS) | Purchase (P): 339,000 @ $23.31 | EDGAR |
| 2025-05-12 | 4 | TreeHouse Foods, Inc. (THS) | Purchase (P): 124,785 @ $21.85 · Purchase (P): 424,126 @ $22.46 · Purchase (P): 17,678 @ $23.09 | EDGAR |
| 2025-05-09 | 4 | MERCURY SYSTEMS INC (MRCY) | Sale (S): 88,152 @ $46.27 · Sale (S): 100,000 @ $45.87 | EDGAR |
| 2025-04-28 | 4 | TreeHouse Foods, Inc. (THS) | Option exercise (M): 4,798 @ $0 · Option exercise (M): 4,798 (derivative) @ $0 · Grant/award (A): 7,727 (derivative) @ $0 | EDGAR |
| 2025-04-24 | 4 | Rapid7, Inc. (RPD) | Grant/award (A): 15,320 @ $0 | EDGAR |
| 2024-10-25 | 4 | MERCURY SYSTEMS INC (MRCY) | Grant/award (A): 4,832 @ $0 | EDGAR |
| 2024-08-29 | 4 | MERCURY SYSTEMS INC (MRCY) | Purchase (P): 13,600 @ $37.25 | EDGAR |
| 2024-04-29 | 4 | TreeHouse Foods, Inc. (THS) | Option exercise (M): 3,261 @ $0 · Option exercise (M): 3,261 (derivative) @ $0 · Grant/award (A): 4,798 (derivative) @ $0 | EDGAR |
| 2024-03-01 | 4 | TreeHouse Foods, Inc. (THS) | Other (J): 193,000 (derivative) | EDGAR |
| 2024-02-28 | 4 | MERCURY SYSTEMS INC (MRCY) | Purchase (P): 18,618 @ $28.53 · Purchase (P): 284,295 @ $29.21 · Purchase (P): 75,000 @ $29.63 | EDGAR |
| 2024-02-13 | 4 | MERCURY SYSTEMS INC (MRCY) | Purchase (P): 1,335,848 @ $27.90 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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