JANA Partners Management, LP
- SEC CIK
- 0001998597
In the past year, 4 open-market purchase filings worth $19.6M and 4 sale filings worth $197.2M.
Current role at each company
- RPD Rapid7, Inc.10% Owneras of Jun 10, 2026
- LW Lamb Weston Holdings, Inc.Director, Other: See Remarksas of Apr 15, 2026
- MRCY Mercury Systems IncDirector, Other: See Remarksas of Mar 4, 2026
- THS TreeHouse Foods, Inc.Director, 10% Owner, Other: See Remarksas of Feb 11, 2026
- NEWR New Relic, Inc.Director, Other: See Remarksas of Nov 13, 2023
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- $19.6M
- 4 filings
- Sold
- $197.2M
- 4 filings
- Net
- −$177.6M
- Bought minus sold
- Companies
- 4
- With open-market trades
Trades
Every Form 4 that lists JANA Partners Management, LP as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
LW Lamb Weston Holdings, Inc.
Director, Other: See Remarks4 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Apr 15, 2026 (view filing) | Apr 13 | 2 days | JANA Partners Management, LPDirector, Other: See Remarks | PPurchaseCommon Stock, par value $1.00 per share ("Common Stock") | +100.0K | $42.12 | +$4.21M | +1.9%5.35M after | |
| Apr 15, 2026 (view filing) | Apr 15 | Same day | JANA Partners Management, LPDirector, Other: See Remarks | PPurchase | +50.0K | $43.19 | +$2.16M | +0.9%5.40M after | |
| Apr 9, 2026 (view filing) | Apr 7 | 2 days | JANA Partners Management, LPDirector, Other: See Remarks | PPurchaseCommon Stock, par value $1.00 per share ("Common Stock") | +136.0K | $40.89 | +$5.56M | +2.7%5.15M after | |
| Apr 9, 2026 (view filing) | Apr 8 | 1 day | JANA Partners Management, LPDirector, Other: See Remarks | PPurchase | +100.0K | $41.41 | +$4.14M | +1.9%5.25M after |
MRCY Mercury Systems Inc
Director, Other: See Remarks11 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 4, 2026 (view filing) | Mar 2 | 2 days | JANA Partners Management, LPDirector, Other: See Remarks | SSaleCommon Stock, par value $0.01 per share ("Common Stock") | −182.5K | $94.05 | −$17.2M | −4.0%4.38M after | |
| Mar 4, 2026 (view filing) | Mar 3-4 | 1 day | JANA Partners Management, LPDirector, Other: See Remarks | SSale | −269.5K | $89.96 | −$24.2M | −6.1%4.11M after | 2 lots |
| Feb 11, 2026 (view filing) | Feb 9 | 2 days | JANA Partners Management, LPDirector, Other: See Remarks | SSaleCommon Stock, par value $0.01 per share | −400.0K | $81.00 | −$32.4M | −8.1%4.57M after | |
| Nov 10, 2025 (view filing) | Nov 6 | 4 days | JANA Partners Management, LPDirector, Other: See Remarks | SSaleCommon Stock, par value $0.01 per share | −1.00M | $75.45 | −$75.5M | −16.8%4.97M after | |
| Aug 15, 2025 (view filing) | Aug 13 | 2 days | JANA Partners Management, LPDirector, Other: See Remarks | SSaleCommon Stock, par value $0.01 per share | −797.0K | $65.42 | −$52.1M | −11.8%5.96M after | |
| May 9, 2025 (view filing) | May 8-9 | 1 day | JANA Partners Management, LPDirector, 10% Owner, Other: See Remarks | SSale | −188.2K | $46.06 | −$8.67M | −2.7%6.76M after | 2 lots |
| Aug 29, 2024 (view filing) | Aug 27 | 2 days | JANA Partners Management, LPDirector, 10% Owner, Other: See Remarks | PPurchase | +13.6K | $37.25 | +$506.6K | +0.2%6.94M after | |
| Feb 28, 2024 (view filing) | Feb 26-28 | 2 days | JANA Partners Management, LPDirector, 10% Owner, Other: See Remarks | PPurchase | +377.9K | $29.26 | +$11.1M | +5.8%6.93M after | 3 lots |
| Feb 13, 2024 (view filing) | Feb 9 | 4 days | JANA Partners Management, LPDirector, 10% Owner, Other: See Remarks | PPurchase | +1.34M | $27.90 | +$37.3M | +25.6%6.55M after | |
| Nov 30, 2023 (view filing) | Nov 28-30 | 2 days | JANA Partners Management, LPDirector, Other: See Remarks | PPurchase | +246.0K | $33.46 | +$8.23M | +4.9%5.22M after | 3 lots |
THS TreeHouse Foods, Inc.
Director, 10% Owner, Other: See Remarks4 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Feb 10, 2026 (view filing) | Feb 10 | Same day | JANA Partners Management, LPDirector, 10% Owner, Other: (See Remarks) | SSaleCommon Stock, par value $0.01 per share | −1.96M | $24.48 | −$48.0M | −33.7%3.86M after | |
| May 14, 2025 (view filing) | May 13 | 1 day | JANA Partners Management, LPDirector, 10% Owner, Other: (See Remarks) | PPurchaseCommon Stock, par value $0.01 per share | +339.0K | $23.31 | +$7.90M | +6.2%5.82M after | |
| May 12, 2025 (view filing) | May 8 | 4 days | JANA Partners Management, LPDirector, 10% Owner, Other: See Remarks | PPurchaseCommon Stock, par value $0.01 per share | +124.8K | $21.85 | +$2.73M | +2.5%5.04M after | |
| May 12, 2025 (view filing) | May 9-12 | 3 days | JANA Partners Management, LPDirector, 10% Owner, Other: See Remarks | PPurchase | +441.8K | $22.49 | +$9.93M | +8.8%5.48M after | 2 lots |
RPD Rapid7, Inc.
10% Owner5 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Dec 4, 2025 (view filing) | Nov 28 | 6 daysLate | JANA Partners Management, LPDirector, 10% Owner, Other: See Remarks | PPurchaseCommon Stock, par value $0.01 per share | +41.5K | $15.71 | +$652.7K | +0.6%6.76M after | |
| Nov 25, 2025 (view filing) | Nov 24 | 1 day | JANA Partners Management, LPDirector, 10% Owner, Other: See Remarks | PPurchaseCommon Stock, par value $0.01 per share ("Common Stock") | +150.0K | $14.13 | +$2.12M | +2.3%6.67M after | |
| Nov 25, 2025 (view filing) | Nov 25 | Same day | JANA Partners Management, LPDirector, 10% Owner, Other: See Remarks | PPurchase | +50.0K | $15.01 | +$750.5K | +0.7%6.72M after | |
| Aug 13, 2025 (view filing) | Aug 11 | 2 days | JANA Partners Management, LPDirector, Other: See Remarks | PPurchaseCommon Stock, par value $0.01 per share ("Common Stock") | +358.7K | $18.23 | +$6.54M | +6.2%6.11M after | |
| Aug 13, 2025 (view filing) | Aug 12-13 | 1 day | JANA Partners Management, LPDirector, Other: See Remarks | PPurchase | +413.5K | $20.79 | +$8.60M | +6.8%6.52M after | 2 lots |