HORNBECK OFFSHORE SERVICES, INC. (HLX)
Every FINRA and SEC series the site collects for HORNBECK OFFSHORE SERVICES, INC.: short interest with days to cover, daily short sale volume, fails to deliver and Form 4 insider trades. Listed on NYSE.
7.2M
Short interest
settlement 2026-08-14
4.7
Days to cover
-2.2% vs prior
74.9%
Short share of volume
2026-09-01
109
Fails to deliver
settlement 2026-08-11
$0
Insider flow, 90 days
0 buys, 0 sells
As of 2026-09-09.
Short interest
FINRA, twice a month; the last 12 months shown, all 48 settlements in the JSONAs of 14 August 2026, short interest in HLX is 7,209,184 shares, down 113,277 shares over the last month. Over the last 48 readings it ranged from 3,590,992 shares (14 November 2025) to 8,515,506 shares (31 December 2024). At the reported average volume of 1.5M shares a day that is 4.7 days to cover.
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| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-08-14 | 7,209,184 | -2.2% | 1,546,673 | 4.66 |
| 2026-07-31 | 7,370,233 | +0.7% | 1,366,266 | 5.39 |
| 2026-07-15 | 7,322,461 | +1.1% | 1,299,882 | 5.63 |
| 2026-06-30 | 7,245,659 | -0.7% | 2,204,971 | 3.29 |
| 2026-06-15 | 7,296,199 | -3.8% | 1,130,080 | 6.46 |
| 2026-05-29 | 7,583,425 | -4.7% | 1,861,296 | 4.07 |
| 2026-05-15 | 7,958,585 | +7.4% | 1,658,355 | 4.80 |
| 2026-04-30 | 7,412,641 | +41.9% | 2,623,493 | 2.83 |
| 2026-04-15 | 5,223,653 | +3.8% | 1,360,304 | 3.84 |
| 2026-03-31 | 5,030,795 | -15.1% | 1,906,400 | 2.64 |
| 2026-03-13 | 5,924,476 | +5.8% | 2,320,491 | 2.55 |
| 2026-02-27 | 5,599,361 | +11.3% | 2,700,001 | 2.07 |
| 2026-02-13 | 5,032,652 | +3.4% | 2,505,326 | 2.01 |
| 2026-01-30 | 4,867,468 | +3.0% | 1,897,319 | 2.57 |
| 2026-01-15 | 4,724,579 | +14.6% | 1,426,692 | 3.31 |
| 2025-12-31 | 4,121,158 | +0.3% | 1,827,507 | 2.26 |
| 2025-12-15 | 4,106,875 | +10.8% | 1,624,674 | 2.53 |
| 2025-11-28 | 3,708,216 | +3.3% | 1,335,521 | 2.78 |
| 2025-11-14 | 3,590,992 | -19.9% | 1,414,500 | 2.54 |
| 2025-10-31 | 4,481,862 | +2.5% | 1,774,192 | 2.53 |
| 2025-10-15 | 4,374,420 | +3.9% | 1,206,182 | 3.63 |
| 2025-09-30 | 4,211,748 | -6.9% | 1,613,401 | 2.61 |
| 2025-09-15 | 4,524,221 | +1.7% | 1,090,366 | 4.15 |
| 2025-08-29 | 4,447,093 | -1.6% | 1,256,094 | 3.54 |
Daily short volume
FINRA Reg SHO, last 60 sessions. JSONAs of 1 September 2026, the short share of HLX volume is 74.9%, up 11.7 points over the last five sessions. Over the last 52 readings it ranged from 33.7% (18 June 2026) to 74.9% (1 September 2026). The latest reading sits at the top of that range. The latest reading is 16.8 points above the 30-session average of 58.1%, on 1.3M shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-09-01 | 953K | 1.3M | 74.9% | 2,800 |
| 2026-08-31 | 494K | 828K | 59.7% | 3,000 |
| 2026-08-28 | 224K | 404K | 55.5% | 1,000 |
| 2026-08-27 | 319K | 612K | 52.2% | 2,232 |
| 2026-08-26 | 384K | 659K | 58.2% | 5,236 |
| 2026-08-25 | 293K | 464K | 63.2% | 3,021 |
| 2026-08-24 | 384K | 715K | 53.8% | 0 |
| 2026-08-21 | 262K | 470K | 55.8% | 0 |
| 2026-08-20 | 261K | 525K | 49.7% | 0 |
| 2026-08-19 | 215K | 334K | 64.4% | 1,400 |
| 2026-08-18 | 267K | 367K | 72.9% | 0 |
| 2026-08-17 | 338K | 508K | 66.5% | 0 |
| 2026-08-14 | 221K | 510K | 43.4% | 200 |
| 2026-08-13 | 169K | 354K | 47.7% | 0 |
| 2026-08-12 | 219K | 393K | 55.6% | 16 |
| 2026-08-11 | 343K | 576K | 59.5% | 0 |
| 2026-08-10 | 470K | 686K | 68.6% | 0 |
| 2026-08-07 | 282K | 578K | 48.9% | 501 |
| 2026-08-06 | 362K | 693K | 52.2% | 46 |
| 2026-08-05 | 590K | 1.1M | 53.4% | 6,000 |
| 2026-08-04 | 385K | 673K | 57.2% | 7,398 |
| 2026-08-03 | 247K | 451K | 54.8% | 49 |
| 2026-07-31 | 127K | 192K | 66.0% | 0 |
| 2026-07-30 | 240K | 487K | 49.4% | 0 |
| 2026-07-29 | 582K | 930K | 62.6% | 1,711 |
| 2026-07-28 | 545K | 887K | 61.4% | 12,790 |
| 2026-07-27 | 206K | 340K | 60.7% | 1,031 |
| 2026-07-24 | 205K | 331K | 62.1% | 0 |
| 2026-07-23 | 236K | 391K | 60.4% | 585 |
| 2026-07-22 | 260K | 489K | 53.2% | 2,756 |
Fails to deliver
SEC, by settlement date. JSONAs of 11 August 2026, the fails-to-deliver balance in HLX is 109 shares, down 6 shares over the last settlement date. Over the last 44 readings it ranged from 2 shares (19 November 2025) to 86,262 shares (13 April 2026). The latest reading sits at the bottom of that range.
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-08-11 | 109 | $10.00 | $1K |
| 2026-07-27 | 115 | $9.91 | $1K |
| 2026-07-16 | 483 | $9.43 | $5K |
| 2026-07-09 | 657 | $9.11 | $6K |
| 2026-07-01 | 684 | $8.74 | $6K |
| 2026-06-30 | 49,255 | $8.71 | $429K |
| 2026-06-29 | 66,735 | $8.87 | $592K |
| 2026-04-27 | 4,514 | $9.89 | $45K |
| 2026-04-13 | 86,262 | $9.56 | $825K |
| 2026-04-06 | 3,698 | $9.61 | $36K |
| 2026-04-01 | 886 | $9.89 | $9K |
| 2026-03-31 | 587 | $9.75 | $6K |
| 2026-03-27 | 20 | $10.08 | $202 |
| 2026-03-24 | 7,218 | $9.80 | $71K |
| 2026-03-23 | 3,442 | $9.59 | $33K |
| 2026-03-17 | 927 | $9.04 | $8K |
| 2026-03-12 | 3,096 | $9.08 | $28K |
| 2026-03-02 | 142 | $9.19 | $1K |
| 2026-02-27 | 80 | $9.02 | $722 |
| 2026-02-26 | 1,926 | $9.60 | $18K |
| 2026-02-23 | 678 | $8.94 | $6K |
| 2026-02-20 | 5,085 | $9.10 | $46K |
| 2026-02-11 | 447 | $8.46 | $4K |
| 2026-02-04 | 9,372 | $8.37 | $78K |
| 2026-02-03 | 982 | $8.06 | $8K |
| 2026-02-02 | 982 | $7.94 | $8K |
| 2026-01-05 | 3,767 | $6.40 | $24K |
| 2025-12-23 | 1,071 | $6.43 | $7K |
| 2025-12-22 | 67 | $6.14 | $411 |
| 2025-12-10 | 122 | $7.40 | $903 |
Insider trades
SEC Form 4, newest first. JSONNo open-market insider trades were reported for HLX in the last 90 days. The most recent filings are listed below; grants and option exercises carry a weaker signal than voluntary trades. Latest filing: Harris Paula on 2025-12-11.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2025-12-11 | Harris Paula | n/a | Tax withholding | 3K | $7.25 | $24K | 96K |
| 2025-12-11 | Nelson Amy H | n/a | Tax withholding | 6K | $7.25 | $40K | 122K |
| 2025-12-11 | Little Thomas Mitchell | n/a | Tax withholding | 5K | $7.25 | $35K | 121K |
| 2025-12-11 | TRANSIER WILLIAM L | n/a | Tax withholding | 6K | $7.25 | $40K | 212K |
| 2025-12-10 | Harris Paula | n/a | Grant | 21K | $0.00 | $0 | 99K |
| 2025-12-10 | Nelson Amy H | n/a | Grant | 21K | $0.00 | $0 | 127K |
| 2025-12-10 | Little Thomas Mitchell | n/a | Grant | 21K | $0.00 | $0 | 126K |
| 2025-12-10 | LOVOI JOHN | n/a | Grant | 21K | $0.00 | $0 | 393K |
| 2025-12-10 | TRANSIER WILLIAM L | n/a | Grant | 21K | $0.00 | $0 | 217K |
| 2025-12-10 | Glassman Diana | n/a | Grant | 21K | $0.00 | $0 | 62K |
| 2025-11-03 | Sparks Scott Andrew | EVP & COO | Sell | 40K | $6.88 | $275K | 301K |
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 the rarer, stronger signal.
Planned sales (Form 144)
Newest first. JSON8 Form 144 notices on file for HLX worth $33.4M at the prices reported; 8 in the last 90 days worth $33.4M. Latest: Staffeldt Erik filed on 2026-09-09 to sell 107,081 shares ($976K) from 2026-09-09.
| Filed | Seller | Shares | Market value | Of outstanding | Sale from | Broker |
|---|---|---|---|---|---|---|
| 2026-09-09 | Staffeldt ErikOfficer | 107K | $976K | 0.073% | 2026-09-09 | Fidelity Brokerage Services LLC |
| 2026-09-08 | Staffeldt ErikOfficer | 51K | $465K | 0.035% | 2026-09-08 | Fidelity Brokerage Services LLC |
| 2026-09-03 | Staffeldt ErikOfficer | 131K | $1.3M | 0.089% | 2026-09-03 | Fidelity Brokerage Services LLC |
| 2026-09-03 | Glassman DianaFormer Director | 13K | $125K | 0.009% | 2026-09-03 | Fidelity Brokerage Services LLC |
| 2026-09-02 | KRATZ OWEN EOfficer | 2.5M | $26.4M | 1.696% | 2026-09-02 | Stifel Nicolaus & Company Inc |
| 2026-09-02 | Neikirk Kenneth EnglishOfficer | 260K | $2.7M | 0.176% | 2026-09-02 | Fidelity Brokerage Services LLC |
| 2026-09-02 | Staffeldt ErikOfficer | 118K | $1.3M | 0.080% | 2026-09-02 | Fidelity Brokerage Services LLC |
| 2026-09-02 | Glassman DianaDirector | 14K | $152K | 0.010% | 2026-09-02 | Fidelity Brokerage Services LLC |
Large holders (13D and 13G)
One row per reporting person, newest filing first. JSON19 holders above 5% have filed on HLX, 19 on Schedule 13D (active intent). The largest reported stake is ASOF HOS GP, LLC at 23.7% of the class (61,738,413 shares), filed 2026-09-09 for an event on 2026-09-01.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-09-09 | 13D | ASOF HOS GP, LLCother entity | 61.7M | 23.7% | 2026-09-01 |
| 2026-09-09 | 13D | ASSF IV HOS AIV 2, L.P.partnership | 24.3M | 10.0% | 2026-09-01 |
| 2026-09-09 | 13D | ASOF HOS AIV 2, L.P.partnership | 18.4M | 7.7% | 2026-09-01 |
| 2026-09-09 | 13D | ASSF IV HOS AIV 1, L.P.partnership | 14.3M | 6.4% | 2026-09-01 |
| 2026-09-09 | 13D | Ares Partners Holdco LLCother entity | 8.6M | 3.8% | 2026-09-01 |
| 2026-09-09 | 13D | Ares Management LLCother entity | 8.6M | 3.8% | 2026-09-01 |
| 2026-09-09 | 13D | Ares Management Holdings L.P.partnership | 8.6M | 3.8% | 2026-09-01 |
| 2026-09-09 | 13D | Ares Holdco LLCother entity | 8.6M | 3.8% | 2026-09-01 |
| 2026-09-09 | 13D | Ares Management Corporationcorporation | 8.6M | 3.8% | 2026-09-01 |
| 2026-09-09 | 13D | Ares Management GP LLCother entity | 8.6M | 3.8% | 2026-09-01 |
| 2026-09-09 | 13D | Ares Voting LLCother entity | 8.6M | 3.8% | 2026-09-01 |
| 2026-09-09 | 13D | ASOF HOS AIV 1, L.P.partnership | 4.7M | 2.1% | 2026-09-01 |
| 2026-09-09 | 13D | ASSF Operating Manager IV, L.P.partnership | 4.6M | 2.1% | 2026-09-01 |
| 2026-09-09 | 13D | ASOF Investment Management LLCother entity | 3.1M | 1.4% | 2026-09-01 |
| 2026-09-09 | 13D | ASSF IV AIV B Holdings III, L.P.partnership | 2.3M | 1.1% | 2026-09-01 |
| 2026-09-09 | 13D | ASSF IV AIV B, L.P.partnership | 2.3M | 1.0% | 2026-09-01 |
| 2026-09-09 | 13D | ASOF Holdings I, L.P.partnership | 2.1M | 0.9% | 2026-09-01 |
| 2026-09-09 | 13D | ASOF II Holdings I, L.P.partnership | 804K | 0.4% | 2026-09-01 |
| 2026-09-09 | 13D | ASOF II A (DE) Holdings I, L.P.partnership | 145K | 0.1% | 2026-09-01 |
13F holders
Tracked managers holding HLX at their latest 13F. JSON6 of the 30 tracked managers held HLX at their latest 13F, $23.6M in total at quarter-end prices. Two Sigma Investments is the largest at $9.0M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 1 added shares and 4 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| Two Sigma Investments | 2026-06-30 | 1.0M | $9.0M | 0.01% | +727K |
| Renaissance Technologies | 2026-06-30 | 902K | $7.9M | 0.01% | -64K |
| Millennium Management | 2026-06-30 | 254K | $2.2M | 0.00% | new or n/a |
| Citadel Advisors | 2026-06-30 | 232K | $2.0M | 0.00% | -881K |
| D. E. Shaw & Co. | 2026-06-30 | 148K | $1.3M | 0.00% | -324K |
| AQR Capital Management | 2026-06-30 | 127K | $1.1M | 0.00% | -81K |
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.
What this page is
HORNBECK OFFSHORE SERVICES, INC. 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 pulls every series the site collects for one ticker onto one URL, keyed by the SEC's own ticker list, 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 summary sentence built from the rows (last value, change, range with dates) and its own JSON and CSV links. Nothing on the page is written by a model; the sentences change only when the data does. A page exists only for companies with data in at least two series, and every section says when its source last updated.
This page follows HORNBECK OFFSHORE SERVICES, INC. (HLX), SEC CIK 866829, listed on NYSE. The cross-market tables live on the short interest and insider transactions hubs.
Source and method
- Short interest
- FINRA consolidated short interestTwice a month, about eight business days after settlement. Latest 2026-08-14.JSON and CSV
- Daily short volume
- FINRA Reg SHO daily filesEvery trading day, loaded the following morning. Latest 2026-09-01.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataTwice a month, a few weeks after the half month ends. Latest 2026-08-11.JSON and CSV
- Planned sales
- SEC EDGAR Form 144EDGAR read every 30 minutes; a notice is filed on or before the sell order. Latest 2026-09-09.JSON and CSV
- Large holders
- SEC EDGAR Schedule 13D and 13GEDGAR read every 30 minutes; 13D within five business days of crossing 5%, 13G on the passive schedule. Latest 2026-09-09.JSON and CSV
- 13F holders
- SEC EDGAR Form 13F-HRQuarterly, filed within 45 days of quarter end; 30 tracked managers. Latest 2026-06-30.JSON and CSV
- Insider trades
- SEC EDGAR Form 4EDGAR read every 30 minutes; filings are due two business days after the trade. Latest 2025-12-11.JSON and CSV
- Company record
- EDGAR filing index for CIK 866829Ticker, name and exchange from the SEC's company list, refreshed weekly.
- Rate limits
- 30 requests a minute without a key, 120 a minute with a key from a free account.
Data checks. Every dataset is checked against its source once a day. This dataset passed the last run, 13 Sep 05:40 UTC.
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 crowded short are the combination that has historically preceded squeezes; insider sells next to a crowded short 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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Datasets
Frequently Asked Questions
How much of HLX is sold short?
What is HLX's daily short volume?
Does HLX have fails to deliver?
Are HLX insiders buying or selling?
Have HLX insiders filed to sell?
Who owns more than 5% of HLX?
Which funds hold HLX?
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.