Latest filingSep 16, 2026Most recent Form 4
USO
United States Oil Fund, LP
Insider activity for last month from 08/16 to 09/16. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$1.66B9 buys
Total selling$1.20B5 sells
Net open-market+$455M1 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period14transactions
- P · Open-market buys · dominant9 · 64%
- S · Open-market sells5 · 36%
Activity by reported role
A joint filing can contribute to multiple roles14transactions
- 10% owner · dominant14 · 100%
Distinct insiders active
Reporting-owner CIKs by month · peak Sep 2026 (1)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeHrt Financial LpCommon Stock · Direct
61,589Sep 15, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 16 → Sep 16
LessMore
Top insiders
By absolute net value across the selected period- HL+$4.6M
Recent filing activity
Most recent 12 transactions · color = transaction codeFiling detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
No filing-only signal badges matched this period.
USO transaction history
Filters apply within this company and selected period by defaultLatest insider transactions
Form 4 filings from last month. Click any column to sort; click it again to flip the order.
| ID | Ticker | Insider | Role | Type | Shares | Value | Code | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|
| #221988 | USO | Hrt Financial Lp | 10% | sale | 1.21k | -$19.5M | S | 09/16 | 09/15 |
| #221987 | USO | Hrt Financial Lp | 10% | buy | 26.4k | $423M | P | 09/16 | 09/14 |
| #221986 | USO | Hrt Financial Lp | 10% | buy | 13.2k | $210M | P | 09/16 | 09/14 |
| #221985 | USO | Hrt Financial Lp | 10% | buy | 2.55k | $40.3M | P | 09/16 | 09/14 |
| #221984 | USO | Hrt Financial Lp | 10% | buy | 43.1k | $679M | P | 09/16 | 09/14 |
| #221983 | USO | Hrt Financial Lp | 10% | buy | 2.15k | $33.7M | P | 09/16 | 09/14 |
| #221982 | USO | Hrt Financial Lp | 10% | buy | 13.6k | $211M | P | 09/16 | 09/14 |
| #221981 | USO | Hrt Financial Lp | 10% | buy | 276 | $4.38M | P | 09/16 | 09/11 |
| #221980 | USO | Hrt Financial Lp | 10% | sale | 178 | -$2.80M | S | 09/16 | 09/11 |
| #221979 | USO | Hrt Financial Lp | 10% | sale | 98 | -$1.53M | S | 09/16 | 09/11 |
| #221978 | USO | Hrt Financial Lp | 10% | buy | 86 | $1.34M | P | 09/16 | 09/11 |
| #221977 | USO | Hrt Financial Lp | 10% | sale | 31.9k | -$493M | S | 09/16 | 09/11 |
| #221976 | USO | Hrt Financial Lp | 10% | buy | 3.62k | $55.7M | P | 09/16 | 09/11 |
| #221975 | USO | Hrt Financial Lp | 10% | sale | 44.9k | -$687M | S | 09/16 | 09/11 |
United States Oil Fund, LP Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at United States Oil Fund, LP?
HRT FINANCIAL LP.
When was the latest reported open-market purchase?
Hrt Financial Lp reported a buy on Sep 14, 2026 valued at $423M. Read the SEC filing.
When was the latest reported open-market sale?
Hrt Financial Lp reported a sale on Sep 15, 2026 valued at $19.5M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market buying in the selected period was $4,553,906.31. This describes filed transactions, not a bullish rating.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.