CSX (CSX)
CSX on one page: short interest, daily short volume, fails to deliver, planned sales, large holders, 13F holders, financials, earnings dates and insider trades. Listed on Nasdaq, classified by the SEC as railroads, line-haul operating.
43.0M
Short interest
settlement 2026-09-30
3.6
Days to cover
-0.7 days vs prior
45.5%
Short share of volume
2026-10-09
69,214
Fails to deliver
settlement 2026-09-14
Thu 15 Oct
Next earnings
estimated date
-$2.3M
Insider flow, 90 days
0 buys, 2 sells
As of 2026-10-09.
Short interest
FINRA, twice a month. The newest 24 settlements in the table, 48 in the chart. JSONAs of 30 September 2026, short interest in CSX is 42,982,741 shares, up 1,919,304 shares over the last month. Over the last 48 readings it ranged from 22,606,107 shares (31 October 2024) to 42,982,741 shares (30 September 2026). The latest reading sits at the top of that range. At the reported average volume of 11.9M shares a day that is 3.6 days to cover.
Embed this chart.The embed keeps its attribution line.
<iframe src="https://xoomar.com/embed/stocks/csx" width="100%" height="440" style="border:0;max-width:100%" loading="lazy" title="XOOMAR chart"></iframe>
| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-09-30 | 42,982,741 | +5.5% | 11,866,296 | 3.62 |
| 2026-09-15 | 40,751,812 | -0.8% | 9,320,573 | 4.37 |
| 2026-08-31 | 41,063,437 | +19.7% | 8,622,062 | 4.76 |
| 2026-08-14 | 34,310,600 | -5.6% | 9,904,873 | 3.46 |
| 2026-07-31 | 36,353,084 | -1.7% | 16,192,286 | 2.25 |
| 2026-07-15 | 36,965,072 | -5.1% | 10,143,094 | 3.64 |
| 2026-06-30 | 38,966,330 | -4.4% | 13,160,379 | 2.96 |
| 2026-06-15 | 40,778,038 | +6.9% | 11,394,879 | 3.58 |
| 2026-05-29 | 38,153,987 | +13.1% | 12,888,167 | 2.96 |
| 2026-05-15 | 33,724,754 | -13.7% | 12,218,384 | 2.76 |
| 2026-04-30 | 39,067,639 | -7.1% | 13,294,962 | 2.94 |
| 2026-04-15 | 42,065,384 | +4.1% | 11,281,295 | 3.73 |
| 2026-03-31 | 40,406,219 | +14.4% | 13,546,490 | 2.98 |
| 2026-03-13 | 35,323,306 | +10.2% | 12,886,360 | 2.74 |
| 2026-02-27 | 32,051,751 | +3.3% | 10,788,693 | 2.97 |
| 2026-02-13 | 31,043,372 | -2.5% | 13,870,150 | 2.24 |
| 2026-01-30 | 31,829,823 | -9.3% | 15,997,601 | 1.99 |
| 2026-01-15 | 35,100,242 | +4.8% | 14,771,547 | 2.38 |
| 2025-12-31 | 33,490,675 | +5.6% | 10,334,278 | 3.24 |
| 2025-12-15 | 31,709,967 | -5.0% | 12,255,435 | 2.59 |
| 2025-11-28 | 33,384,909 | +9.3% | 14,558,822 | 2.29 |
| 2025-11-14 | 30,540,986 | +22.6% | 11,672,349 | 2.62 |
| 2025-10-31 | 24,903,822 | -10.1% | 13,450,666 | 1.85 |
| 2025-10-15 | 27,709,588 | -3.0% | 13,825,287 | 2.00 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 9 October 2026, the short share of CSX volume is 45.5%, down 3.2 points over the last five sessions. Over the last 30 readings it ranged from 30.2% (17 September 2026) to 61.3% (10 September 2026). The latest reading is in line with the 30-session average of 46.4%, on 1.5M shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-10-09 | 697K | 1.5M | 45.5% | 3,223 |
| 2026-10-08 | 1.2M | 2.2M | 55.2% | 156 |
| 2026-10-07 | 1.1M | 2.3M | 48.9% | 10,331 |
| 2026-10-06 | 1.8M | 3.0M | 59.2% | 10,675 |
| 2026-10-05 | 961K | 2.0M | 49.1% | 3,598 |
| 2026-10-02 | 1.5M | 3.2M | 48.7% | 25,821 |
| 2026-10-01 | 1.4M | 3.9M | 34.7% | 249 |
| 2026-09-30 | 1.6M | 3.1M | 51.7% | 6,972 |
| 2026-09-29 | 1.1M | 2.3M | 49.5% | 8,440 |
| 2026-09-28 | 1.2M | 2.9M | 42.8% | 749 |
| 2026-09-25 | 1.3M | 3.0M | 43.5% | 3,363 |
| 2026-09-24 | 1.3M | 2.8M | 45.1% | 9,822 |
| 2026-09-23 | 1.8M | 3.8M | 47.1% | 4,078 |
| 2026-09-22 | 1.5M | 3.4M | 44.1% | 3,394 |
| 2026-09-21 | 1.6M | 4.1M | 37.7% | 1,012 |
| 2026-09-18 | 1.8M | 3.6M | 50.0% | 1,149 |
| 2026-09-17 | 889K | 2.9M | 30.2% | 3,833 |
| 2026-09-16 | 1.5M | 4.1M | 37.1% | 7,062 |
| 2026-09-15 | 1.1M | 2.6M | 42.8% | 459 |
| 2026-09-14 | 1.1M | 2.2M | 52.4% | 69,660 |
| 2026-09-11 | 1.0M | 1.9M | 52.1% | 1,260 |
| 2026-09-10 | 2.0M | 3.2M | 61.3% | 3,507 |
| 2026-09-09 | 1.1M | 2.2M | 50.7% | 4,439 |
| 2026-09-08 | 813K | 1.6M | 49.4% | 19,001 |
| 2026-09-04 | 1.3M | 2.4M | 53.1% | 2,394 |
| 2026-09-03 | 1.2M | 3.2M | 36.7% | 7,308 |
| 2026-09-02 | 1.2M | 3.4M | 36.2% | 9,557 |
| 2026-09-01 | 1.7M | 4.8M | 35.0% | 16,349 |
| 2026-08-31 | 1.1M | 2.5M | 44.8% | 2,676 |
| 2026-08-28 | 1.4M | 2.4M | 57.5% | 4,072 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 14 September 2026, the fails-to-deliver balance in CSX is 69,214 shares, up 69,121 shares over the last settlement date. Over the last 30 readings it ranged from 6 shares (19 August 2026) to 195,744 shares (22 April 2026).
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-09-14 | 69,214 | $48.95 | $3.4M |
| 2026-09-02 | 93 | $48.70 | $5K |
| 2026-08-20 | 1,215 | $50.68 | $62K |
| 2026-08-19 | 6 | $50.24 | $301 |
| 2026-08-17 | 47 | $50.16 | $2K |
| 2026-08-12 | 11,693 | $49.94 | $584K |
| 2026-08-11 | 4,667 | $50.12 | $234K |
| 2026-07-29 | 60 | $50.84 | $3K |
| 2026-07-28 | 12,518 | $51.80 | $648K |
| 2026-07-20 | 169 | $50.75 | $9K |
| 2026-07-02 | 3,106 | $48.33 | $150K |
| 2026-06-30 | 4,795 | $48.01 | $230K |
| 2026-06-22 | 18,800 | $45.63 | $858K |
| 2026-06-15 | 223 | $47.57 | $11K |
| 2026-06-12 | 40,169 | $47.37 | $1.9M |
| 2026-06-03 | 8,296 | $46.14 | $383K |
| 2026-06-01 | 5,672 | $45.26 | $257K |
| 2026-05-29 | 4,694 | $45.81 | $215K |
| 2026-05-18 | 5,024 | $45.66 | $229K |
| 2026-05-13 | 220 | $44.53 | $10K |
| 2026-05-07 | 730 | $45.60 | $33K |
| 2026-05-05 | 6,912 | $44.72 | $309K |
| 2026-05-01 | 6,716 | $45.43 | $305K |
| 2026-04-22 | 195,744 | $43.37 | $8.5M |
| 2026-04-20 | 200 | $43.32 | $9K |
| 2026-04-15 | 2,817 | $42.51 | $120K |
| 2026-04-10 | 35,000 | $42.49 | $1.5M |
| 2026-04-07 | 7,474 | $41.48 | $310K |
| 2026-04-06 | 7,474 | $41.22 | $308K |
| 2026-03-27 | 103 | $39.55 | $4K |
Insider trades
SEC Form 4, newest first, 50 of 100 shown. JSONInsiders at CSX reported 2 open-market sells worth $2.3M in the last 90 days and no open-market buys. Latest filing: Cory Michael A. (EVP & COO) on 2026-09-25.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-09-25 | Cory Michael A. | EVP & COO | Tax withholding | 13K | $46.78 | $590K | 85K |
| 2026-09-15 | WHISLER J STEVEN | Director | Grant | 771 | $48.66 | $38K | 98K |
| 2026-07-24 | Williams Angela C | VP & Chief Accounting Officer | Sell | 30K | $53.29 | $1.6M | 10K |
| 2026-07-24 | Burns Michael S. | SVP - CLO & Corp Secy | Sell | 13K | $52.68 | $685K | 60K |
| 2026-07-24 | Burns Michael S. | SVP - CLO & Corp Secy | Option exercise | 13K | $26.50 | $345K | 73K |
| 2026-06-15 | WHISLER J STEVEN | Director | Grant | 791 | $47.39 | $37K | 97K |
| 2026-06-03 | ZILLMER JOHN J | Director | Sell | 10K | $46.45 | $465K | 354K |
| 2026-06-03 | Boone Kevin S. | EVP & CFO | Sell | 137K | $46.70 | $6.4M | 209K |
| 2026-06-03 | Boone Kevin S. | EVP & CFO | Option exercise | 123K | $23.48 | $2.9M | 345K |
| 2026-06-03 | Boone Kevin S. | EVP & CFO | Option exercise | 13K | $22.70 | $305K | 222K |
| 2026-03-13 | WHISLER J STEVEN | Director | Grant | 954 | $39.30 | $37K | 96K |
| 2026-03-06 | ANGEL STEPHEN F | President & CEO | Buy | 25K | $40.27 | $1.0M | 147K |
| 2026-03-02 | ZILLMER JOHN J | Director | Gift | 6K | $0.00 | $0 | 364K |
| 2026-02-26 | MOFFETT DAVID M | Director | Grant | 4K | $0.00 | $0 | 71K |
| 2026-02-26 | ZILLMER JOHN J | Director | Grant | 6K | $0.00 | $0 | 370K |
| 2026-02-26 | ZILLMER JOHN J | Director | Grant | 4K | $0.00 | $0 | 364K |
| 2026-02-26 | Williams Angela C | VP & Chief Accounting Officer | Grant | 2K | $0.00 | $0 | 40K |
| 2026-02-26 | Kenney Maryclare T. | SVP & CCO | Grant | 9K | $0.00 | $0 | 16K |
| 2026-02-26 | Fortune Stephen | EVP - CD & TO | Grant | 11K | $0.00 | $0 | 88K |
| 2026-02-26 | Cory Michael A. | EVP & COO | Grant | 15K | $0.00 | $0 | 96K |
| 2026-02-26 | Vautrinot Suzanne M | Director | Grant | 4K | $0.00 | $0 | 40K |
| 2026-02-26 | WHISLER J STEVEN | Director | Grant | 4K | $0.00 | $0 | 95K |
| 2026-02-26 | RIEFLER LINDA H | Director | Grant | 4K | $0.00 | $0 | 32K |
| 2026-02-26 | Halverson Steven T | Director | Grant | 4K | $0.00 | $0 | 336K |
| 2026-02-26 | WAINSCOTT JAMES L | Director | Grant | 4K | $0.00 | $0 | 41K |
| 2026-02-26 | Chow Anne H | Director | Grant | 4K | $0.00 | $0 | 10K |
| 2026-02-26 | Hilal Paul C | Director | Grant | 4K | $0.00 | $0 | 23K |
| 2026-02-26 | CHAND M RIZWAN | CHRO | Grant | 12K | $0.00 | $0 | 12K |
| 2026-02-26 | Burns Michael S. | SVP - CLO & Corp Secy | Grant | 8K | $0.00 | $0 | 59K |
| 2026-02-26 | Bostick Thomas | Director | Grant | 4K | $0.00 | $0 | 26K |
| 2026-02-26 | Boone Kevin S. | EVP & CFO | Grant | 15K | $0.00 | $0 | 209K |
| 2026-02-26 | Begeman Ann D. | Director | Grant | 4K | $0.00 | $0 | 4K |
| 2026-02-26 | ANGEL STEPHEN F | President & CEO | Grant | 63K | $0.00 | $0 | 122K |
| 2026-02-19 | Sorfleet Diana B | EVP & CAO | Sell | 90K | $41.56 | $3.7M | 166K |
| 2026-02-19 | Sorfleet Diana B | EVP & CAO | Option exercise | 51K | $22.70 | $1.2M | 256K |
| 2026-02-19 | Sorfleet Diana B | EVP & CAO | Option exercise | 25K | $17.94 | $456K | 204K |
| 2026-02-19 | Sorfleet Diana B | EVP & CAO | Option exercise | 13K | $16.13 | $215K | 179K |
| 2026-02-13 | Williams Angela C | VP & Chief Accounting Officer | Tax withholding | 281 | $40.87 | $11K | 38K |
| 2026-02-13 | Williams Angela C | VP & Chief Accounting Officer | Tax withholding | 251 | $40.87 | $10K | 39K |
| 2026-02-13 | Williams Angela C | VP & Chief Accounting Officer | Tax withholding | 279 | $40.87 | $11K | 39K |
| 2026-02-13 | Sorfleet Diana B | EVP & CAO | Tax withholding | 2K | $40.87 | $76K | 166K |
| 2026-02-13 | Sorfleet Diana B | EVP & CAO | Tax withholding | 2K | $40.87 | $70K | 167K |
| 2026-02-13 | Sorfleet Diana B | EVP & CAO | Tax withholding | 2K | $40.87 | $82K | 169K |
| 2026-02-13 | Kenney Maryclare T. | SVP & CCO | Tax withholding | 441 | $40.87 | $18K | 7K |
| 2026-02-13 | Kenney Maryclare T. | SVP & CCO | Tax withholding | 198 | $40.87 | $8K | 7K |
| 2026-02-13 | Kenney Maryclare T. | SVP & CCO | Tax withholding | 294 | $40.87 | $12K | 7K |
| 2026-02-13 | Fortune Stephen | EVP - CD & TO | Tax withholding | 2K | $40.87 | $76K | 77K |
| 2026-02-13 | Fortune Stephen | EVP - CD & TO | Tax withholding | 2K | $40.87 | $70K | 79K |
| 2026-02-13 | Fortune Stephen | EVP - CD & TO | Tax withholding | 2K | $40.87 | $82K | 80K |
| 2026-02-13 | Cory Michael A. | EVP & COO | Tax withholding | 1K | $40.87 | $57K | 81K |
Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are rarer.
Planned sales (Form 144)
Newest first. JSON10 Form 144 notices on file for CSX worth $21.3M at the prices reported; 2 in the last 90 days worth $2.3M. Latest: ANGELA C WILLIAMS filed on 2026-07-24 to sell 30,000 shares ($1.6M) from 2026-07-24.
| Filed | Seller | Shares | Market value | Of outstanding | Sale from | Broker |
|---|---|---|---|---|---|---|
| 2026-07-24 | ANGELA C WILLIAMSOfficer | 30K | $1.6M | 0.002% | 2026-07-24 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-07-24 | MICHAEL S BURNSOfficer | 13K | $685K | 0.001% | 2026-07-24 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-06-04 | ZILLMER JOHN JDirector | 10K | $464K | 0.001% | 2026-06-03 | Raymond James & Associates |
| 2026-06-03 | KEVIN BOONEOfficer | 137K | $6.4M | 0.007% | 2026-06-03 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-03-06 | John ZillmerDirector | 6K | $240K | 0.000% | 2026-03-06 | JonesTrading Institutional Services LLC |
| 2026-02-19 | DIANA SORFLEETOfficer | 90K | $3.7M | 0.005% | 2026-02-19 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-02-03 | STEPHEN FORTUNEOfficer | 31K | $1.2M | 0.002% | 2026-02-03 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-10-23 | Burns Michael S.Officer | 24K | $891K | 0.001% | 2025-10-20 | Morgan Stanley Smith Barney LLC |
| 2025-10-22 | Kevin BooneOfficer | 31K | $1.1M | 0.002% | 2025-10-22 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-10-21 | JOSEPH HINRICHSOfficer, Director | 135K | $4.9M | 0.007% | 2025-10-21 | Morgan Stanley Smith Barney LLC Executive Financial Services |
Large holders (13D and 13G)
One row per reporting person with its latest filing, newest first. JSON1 holder reports 5% or more of CSX in its latest filing, on Schedule 13G (passive). The holder is Vanguard Capital Management at 7.5% of the class (139,956,863 shares), filed 2026-04-29 for an event on 2026-03-31.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-04-29 | 13G | Vanguard Capital Managementinvestment adviser | 140.0M | 7.5% | 2026-03-31 |
| 2026-03-26 | 13G/Ano. 10 | The Vanguard Groupinvestment adviser | 0 | 0.0% | 2026-03-13 |
13F holders
Tracked managers holding CSX at their latest 13F. JSON9 of the 30 tracked managers held CSX at their latest 13F, $2.19B in total at quarter-end prices. Fisher Asset Management is the largest at $1.33B (0.4% of its portfolio) as of 2026-06-30. Over the prior quarter 6 added shares and 3 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| Fisher Asset Management | 2026-06-30 | 28.0M | $1.33B | 0.40% | +795K |
| Citadel Advisors | 2026-06-30 | 5.5M | $262.1M | 0.03% | +4.8M |
| Millennium Management | 2026-06-30 | 4.5M | $215.0M | 0.08% | +3.7M |
| AQR Capital Management | 2026-06-30 | 2.4M | $114.2M | 0.04% | +182K |
| Point72 Asset Management | 2026-06-30 | 2.4M | $112.2M | 0.12% | -592K |
| Bridgewater Associates | 2026-06-30 | 2.2M | $106.0M | 0.43% | -145K |
| Renaissance Technologies | 2026-06-30 | 635K | $30.2M | 0.04% | +131K |
| D. E. Shaw & Co. | 2026-06-30 | 341K | $16.2M | 0.01% | +42K |
| Two Sigma Investments | 2026-06-30 | 15K | $711K | 0.00% | -45K |
Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.
Financials
SEC XBRL, as filed. JSONIn Q2 FY 2026 (quarter ended 2026-06-30) CSX reported revenue of $3.94B, up 10.1% from the same quarter a year earlier, and net income of $1.00B (0.54 diluted EPS). In FY 2025 it generated $4.61B of operating cash flow and spent $1.40B on buybacks and $972.0M on dividends.
- Total assets
- $44.73B
- Shares outstanding
- 1,852,474,917
Quarterly, last 8 quarters
| Quarter | Period end | Revenue | Net income | Margin | Diluted EPS |
|---|---|---|---|---|---|
| Q2 FY 2026 | 2026-06-30 | $3.94B | $1.00B | 25.5% | 0.54 |
| Q1 FY 2026 | 2026-03-31 | $3.48B | $807.0M | 23.2% | 0.43 |
| Q4 FY 2025derived | 2025-12-31 | $3.51B | $720.0M | 20.5% | n/a |
| Q3 FY 2025 | 2025-09-30 | $3.59B | $694.0M | 19.3% | 0.37 |
| Q2 FY 2025 | 2025-06-30 | $3.57B | $829.0M | 23.2% | 0.44 |
| Q1 FY 2025 | 2025-03-31 | $3.42B | $646.0M | 18.9% | 0.34 |
| Q4 FY 2024derived | 2024-12-31 | $3.54B | $733.0M | 20.7% | n/a |
| Q3 FY 2024 | 2024-09-30 | $3.62B | $894.0M | 24.7% | 0.46 |
Fiscal years, with buybacks and dividends
| Fiscal year | Ends | Revenue | Net income | Operating cash flow | Capex | Buybacks | Dividends |
|---|---|---|---|---|---|---|---|
| FY 2025 | 2025-12-31 | $14.09B | $2.89B | $4.61B | $2.90B | $1.40B | $972.0M |
| FY 2024 | 2024-12-31 | $14.54B | $3.47B | $5.25B | $2.53B | $2.24B | $930.0M |
| FY 2023 | 2023-12-31 | $14.66B | $3.67B | $5.51B | $2.26B | $3.48B | $882.0M |
| FY 2022 | 2022-12-31 | $14.85B | $4.11B | $5.53B | $2.11B | $4.73B | $852.0M |
| FY 2021 | 2021-12-31 | $12.52B | $3.78B | $5.10B | $1.79B | $2.89B | $839.0M |
Quarters are the three-month figures the company reports; a fourth quarter marked derived is the fiscal year less the three reported quarters, since companies report it only inside the 10-K. Fiscal years are the annual figures. Buybacks are the cash the company paid to repurchase its common stock in the year, not the amount authorized. Balance sheet lines are as of 2026-06-30; shares outstanding as of 2026-06-30 from the cover page.
What this page is
CSX in the regulatory record
Regulators publish company data in separate files that never sit next to each other: FINRA's twice-monthly short interest, its daily short sale volume, the SEC's fails-to-deliver counts, and each insider's Form 4. A company page puts those series for one ticker on one URL, with planned sales, large holders, 13F holders and financials beside them, so the short position, the daily flow, the settlement fails and what insiders are doing can be read together.
Each section has its own history table, a one-line summary of the latest figures and its own JSON and CSV links, and says when its source last updated.
This page follows CSX (CSX), SEC CIK 277948, listed on Nasdaq, classified by the SEC as railroads, line-haul operating. The cross-market tables live on the short interest and insider transactions hubs.
Source and updates
- Short interest
- FINRA consolidated short interestSource: FINRA.Twice a month, about eight business days after settlement. Latest 2026-09-30.JSON and CSV
- Daily short volume
- FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-10-09.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-09-14.JSON and CSV
- Planned sales
- SEC EDGAR Form 144Source: SEC.New notices appear shortly after the SEC posts them; a notice is filed on or before the sale. Latest 2026-07-24.JSON and CSV
- Large holders
- SEC EDGAR Schedule 13D and 13GSource: SEC.New filings appear shortly after the SEC posts them. A 13D is due within five business days of crossing 5%; a 13G follows the passive schedule. Latest 2026-04-29.JSON and CSV
- 13F holders
- SEC EDGAR Form 13F-HRSource: SEC.Quarterly, filed within 45 days of quarter end; 30 tracked managers. Latest 2026-06-30.JSON and CSV
- Financials
- SEC EDGAR 10-K and 10-Q filingsSource: SEC.Weekly; values are as filed in the 10-Q and 10-K. Latest 2026-06-30.JSON and CSV
- Earnings dates
- SEC EDGAR 8-K filings (Item 2.02)Source: SEC.Twice a day. Reported dates come from the company's 8-K filings; the next date is marked as an estimate until the 8-K arrives. Latest 2026-07-22.JSON and CSV
- Insider trades
- SEC EDGAR Form 4Source: SEC.New filings appear shortly after the SEC posts them; they're due two business days after the trade. Latest 2026-09-25.JSON and CSV
- Company record
- EDGAR filing index for CIK 277948Ticker, name and exchange from the SEC's company list, refreshed weekly.
- Rate limits
- 10 requests a minute without a key, 30 with a free key from a free account.
How to read it
- Read the position against the flow: rising short interest with a high daily short share is new shorting; rising short interest with a normal short share is old shorts holding on.
- Insider buys next to a large short position are rare and stand out; insider sells next to one are common and mean little.
- Fails to deliver matter relative to the float, not in absolute shares; a million failed shares in a mega cap is noise.
Analysis of what the data shows, not advice. XOOMAR does not recommend buying, selling or holding anything.
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- ORCLOracle
- DELLDell Technologies
- LITELumentum Holdings
- TSMTaiwan Semiconductor Manufacturing
- MRVLMarvell Technology
Datasets
Frequently Asked Questions
How much of CSX is sold short?
What is CSX's daily short volume?
Does CSX have fails to deliver?
Are CSX insiders buying or selling?
Have CSX insiders filed to sell?
Who owns 5% or more of CSX?
What did CSX report last quarter?
Which tracked 13F managers own CSX?
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