CarParts.com (PRTS)
CarParts.com 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 retail-auto & home supply stores.
456K
Short interest
settlement 2026-09-30
12.5
Days to cover
+9.1 days vs prior
22.2%
Short share of volume
2026-10-12
4,994
Fails to deliver
settlement 2026-09-11
Mon 9 Nov
Next earnings
estimated date
$2.0M
Insider flow, 90 days
14 buys, 0 sells
As of 2026-10-12.
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 PRTS is 456,046 shares, up 47,459 shares over the last month. Over the last 48 readings it ranged from 302,121 shares (31 July 2026) to 2,700,947 shares (15 May 2026). The latest reading sits at the bottom of that range. At the reported average volume of 36K shares a day that is 12.5 days to cover.
Embed this chart.The embed keeps its attribution line.
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| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-09-30 | 456,046 | +0.6% | 36,398 | 12.53 |
| 2026-09-15 | 453,296 | +10.9% | 133,180 | 3.40 |
| 2026-08-31 | 408,587 | +24.9% | 33,263 | 12.28 |
| 2026-08-14 | 327,221 | +8.3% | 27,062 | 12.09 |
| 2026-07-31 | 302,121 | -12.2% | 22,354 | 13.52 |
| 2026-07-15 | 343,887 | -3.1% | 12,293 | 27.97 |
| 2026-06-30 | 354,885 | +0.2% | 22,379 | 15.86 |
| 2026-06-15 | 354,317 | -11.9% | 60,873 | 5.82 |
| 2026-05-29 | 402,255 | -85.1% | 82,258 | 4.89 |
| 2026-05-15 | 2,700,947 | +13.2% | 644,586 | 4.19 |
| 2026-04-30 | 2,386,842 | +62.6% | 504,604 | 4.73 |
| 2026-04-15 | 1,467,885 | +1.4% | 437,021 | 3.36 |
| 2026-03-31 | 1,447,141 | +54.7% | 667,885 | 2.17 |
| 2026-03-13 | 935,260 | -29.2% | 1,145,017 | 1.00 |
| 2026-02-27 | 1,321,674 | +15.8% | 544,834 | 2.43 |
| 2026-02-13 | 1,141,130 | -1.0% | 986,554 | 1.16 |
| 2026-01-30 | 1,152,902 | +23.0% | 569,085 | 2.03 |
| 2026-01-15 | 937,488 | -41.6% | 1,101,724 | 1.00 |
| 2025-12-31 | 1,606,464 | -21.3% | 1,490,366 | 1.08 |
| 2025-12-15 | 2,041,220 | +8.1% | 979,858 | 2.08 |
| 2025-11-28 | 1,887,743 | -24.3% | 545,519 | 3.46 |
| 2025-11-14 | 2,492,044 | +21.5% | 1,213,258 | 2.05 |
| 2025-10-31 | 2,051,741 | +18.8% | 506,228 | 4.05 |
| 2025-10-15 | 1,727,199 | +121.5% | 779,438 | 2.22 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 12 October 2026, the short share of PRTS volume is 22.2%, up 14.1 points over the last five sessions. Over the last 30 readings it ranged from 8.0% (5 October 2026) to 76.7% (18 September 2026). The latest reading is 21.7 points below the 30-session average of 43.9%, on 12K shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-10-12 | 3K | 12K | 22.2% | 0 |
| 2026-10-09 | 1K | 6K | 18.6% | 0 |
| 2026-10-08 | 2K | 11K | 16.7% | 0 |
| 2026-10-07 | 3K | 11K | 25.3% | 0 |
| 2026-10-06 | 7K | 12K | 60.3% | 800 |
| 2026-10-05 | 940 | 12K | 8.0% | 208 |
| 2026-10-02 | 7K | 9K | 71.9% | 0 |
| 2026-10-01 | 3K | 13K | 23.3% | 0 |
| 2026-09-30 | 3K | 5K | 53.4% | 50 |
| 2026-09-29 | 7K | 19K | 38.1% | 0 |
| 2026-09-28 | 5K | 9K | 59.6% | 10 |
| 2026-09-25 | 17K | 25K | 68.3% | 0 |
| 2026-09-24 | 6K | 11K | 52.5% | 0 |
| 2026-09-23 | 2K | 13K | 18.4% | 0 |
| 2026-09-22 | 3K | 11K | 32.6% | 0 |
| 2026-09-21 | 11K | 25K | 41.8% | 0 |
| 2026-09-18 | 9K | 11K | 76.7% | 0 |
| 2026-09-17 | 10K | 19K | 51.3% | 0 |
| 2026-09-16 | 7K | 15K | 45.6% | 0 |
| 2026-09-15 | 14K | 35K | 40.6% | 4,296 |
| 2026-09-14 | 28K | 56K | 50.2% | 15,617 |
| 2026-09-11 | 32K | 78K | 40.7% | 2,696 |
| 2026-09-10 | 62K | 141K | 43.8% | 3,213 |
| 2026-09-09 | 16K | 35K | 45.1% | 0 |
| 2026-09-08 | 22K | 32K | 68.6% | 0 |
| 2026-09-04 | 25K | 70K | 35.6% | 343 |
| 2026-09-03 | 13K | 23K | 57.5% | 0 |
| 2026-09-02 | 10K | 20K | 47.6% | 0 |
| 2026-09-01 | 6K | 13K | 44.1% | 0 |
| 2026-08-31 | 628 | 1K | 57.4% | 0 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 11 September 2026, the fails-to-deliver balance in PRTS is 4,994 shares, up 2,801 shares over the last settlement date. Over the last 30 readings it ranged from 1 share (9 June 2026) to 4,994 shares (11 September 2026). The latest reading sits at the top of that range.
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-09-11 | 4,994 | $8.69 | $43K |
| 2026-09-10 | 2,193 | $10.00 | $22K |
| 2026-09-09 | 2,738 | $9.50 | $26K |
| 2026-09-08 | 639 | $9.30 | $6K |
| 2026-08-31 | 695 | $7.27 | $5K |
| 2026-08-27 | 133 | $6.38 | $849 |
| 2026-08-17 | 2 | $6.13 | $12 |
| 2026-08-13 | 389 | $6.34 | $2K |
| 2026-08-12 | 418 | $6.33 | $3K |
| 2026-08-05 | 1 | $5.55 | $6 |
| 2026-07-20 | 211 | $5.30 | $1K |
| 2026-07-15 | 5 | $5.90 | $30 |
| 2026-07-14 | 3 | $5.66 | $17 |
| 2026-07-13 | 111 | $5.87 | $652 |
| 2026-07-10 | 12 | $5.99 | $72 |
| 2026-06-30 | 2,416 | $6.44 | $16K |
| 2026-06-26 | 2,188 | $6.19 | $14K |
| 2026-06-22 | 1 | $6.34 | $6 |
| 2026-06-18 | 1,001 | $6.41 | $6K |
| 2026-06-16 | 1,299 | $6.56 | $9K |
| 2026-06-15 | 670 | $6.95 | $5K |
| 2026-06-12 | 2,473 | $6.52 | $16K |
| 2026-06-11 | 5 | $5.95 | $30 |
| 2026-06-10 | 5 | $5.95 | $30 |
| 2026-06-09 | 1 | $5.87 | $6 |
| 2026-06-08 | 1,685 | $5.98 | $10K |
| 2026-06-05 | 10 | $6.36 | $64 |
| 2026-06-04 | 49 | $6.19 | $303 |
| 2026-06-03 | 13 | $6.32 | $82 |
| 2026-06-02 | 13 | $6.27 | $82 |
Insider trades
SEC Form 4, newest first, 50 of 100 shown. JSONInsiders at PRTS reported 14 open-market buys worth $2.0M in the last 90 days and no open-market sells. Latest filing: Huffaker Michael (COO) on 2026-09-10.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-09-10 | Huffaker Michael | COO | Buy | 13K | $10.06 | $133K | 153K |
| 2026-09-10 | Meniane David | CEO | Buy | 13K | $10.06 | $133K | 313K |
| 2026-09-09 | Huffaker Michael | COO | Buy | 37K | $9.64 | $353K | 140K |
| 2026-09-09 | Meniane David | CEO | Buy | 37K | $9.64 | $353K | 299K |
| 2026-09-08 | Huffaker Michael | COO | Buy | 22K | $9.35 | $203K | 103K |
| 2026-09-08 | Meniane David | CEO | Buy | 22K | $9.35 | $203K | 263K |
| 2026-09-04 | Huffaker Michael | COO | Buy | 21K | $9.11 | $193K | 81K |
| 2026-09-04 | Meniane David | CEO | Buy | 21K | $9.11 | $193K | 241K |
| 2026-08-28 | Huffaker Michael | COO | Buy | 8K | $7.16 | $54K | 60K |
| 2026-08-28 | Meniane David | CEO | Buy | 8K | $7.16 | $54K | 220K |
| 2026-08-27 | Huffaker Michael | COO | Buy | 5K | $6.88 | $32K | 53K |
| 2026-08-27 | Meniane David | CEO | Buy | 5K | $6.88 | $32K | 212K |
| 2026-08-25 | PHELPS BARRY | Director | Buy | 10K | $6.48 | $64K | 346K |
| 2026-08-20 | PHELPS BARRY | Director | Buy | 100 | $6.15 | $615 | 336K |
| 2026-07-07 | GREYSON JAY KEITH | Director | Grant | 2K | $6.17 | $12K | 46K |
| 2026-04-06 | GREYSON JAY KEITH | Director | Grant | 14K | $0.81 | $12K | 441K |
| 2026-02-09 | Meniane David | Chief Executive Officer | Tax withholding | 26K | $0.50 | $13K | 2.1M |
| 2026-02-06 | Huffaker Michael | Chief Operating Officer | Option exercise | 13K | $0.00 | $0 | 479K |
| 2026-02-06 | Subramanian Kals | Chief Technology Officer | Option exercise | 24K | $0.00 | $0 | 368K |
| 2026-02-06 | Meniane David | Chief Executive Officer | Option exercise | 73K | $0.00 | $0 | 2.1M |
| 2026-01-20 | Meniane David | Chief Executive Officer | Tax withholding | 18K | $0.52 | $9K | 2.0M |
| 2026-01-20 | Meniane David | Chief Executive Officer | Tax withholding | 47K | $0.52 | $25K | 2.0M |
| 2026-01-16 | Meniane David | Chief Executive Officer | Option exercise | 44K | $0.00 | $0 | 2.0M |
| 2026-01-16 | Meniane David | Chief Executive Officer | Option exercise | 115K | $0.00 | $0 | 2.1M |
| 2026-01-16 | Huffaker Michael | Chief Operating Officer | Option exercise | 19K | $0.00 | $0 | 466K |
| 2026-01-16 | Huffaker Michael | Chief Operating Officer | Option exercise | 44K | $0.00 | $0 | 447K |
| 2026-01-16 | Subramanian Kals | Chief Technology Officer | Option exercise | 19K | $0.00 | $0 | 343K |
| 2026-01-16 | Subramanian Kals | Chief Technology Officer | Option exercise | 39K | $0.00 | $0 | 325K |
| 2026-01-05 | Meniane David | Chief Executive Officer | Tax withholding | 31K | $0.50 | $15K | 1.9M |
| 2026-01-05 | GREYSON JAY KEITH | Director | Grant | 21K | $0.55 | $12K | 427K |
| 2026-01-05 | Subramanian Kals | Chief Technology Officer | Tax withholding | 17K | $0.50 | $8K | 285K |
| 2026-01-05 | Subramanian Kals | Chief Technology Officer | Tax withholding | 14K | $0.50 | $7K | 252K |
| 2026-01-05 | Meniane David | Chief Executive Officer | Tax withholding | 31K | $0.50 | $15K | 1.9M |
| 2026-01-02 | Meniane David | Chief Executive Officer | Option exercise | 75K | $0.00 | $0 | 2.0M |
| 2026-01-02 | Huffaker Michael | Chief Operating Officer | Option exercise | 50K | $0.00 | $0 | 404K |
| 2026-01-02 | Huffaker Michael | Chief Operating Officer | Option exercise | 47K | $0.00 | $0 | 354K |
| 2026-01-02 | Subramanian Kals | Chief Technology Officer | Option exercise | 50K | $0.00 | $0 | 302K |
| 2026-01-02 | Subramanian Kals | Chief Technology Officer | Option exercise | 42K | $0.00 | $0 | 266K |
| 2026-01-02 | Meniane David | Chief Executive Officer | Option exercise | 75K | $0.00 | $0 | 1.9M |
| 2025-12-08 | Huffaker Michael | Chief Operating Officer | Tax withholding | 24K | $0.44 | $10K | 307K |
| 2025-12-05 | Huffaker Michael | Chief Operating Officer | Option exercise | 37K | $0.00 | $0 | 331K |
| 2025-10-17 | Lockwood Ryan | Chief Financial Officer | Tax withholding | 7K | $0.66 | $4K | 208K |
| 2025-10-17 | Meniane David | Chief Executive Officer | Tax withholding | 22K | $0.66 | $15K | 1.8M |
| 2025-10-16 | Subramanian Kals | Chief Technology Officer | Option exercise | 19K | $0.00 | $0 | 225K |
| 2025-10-16 | Huffaker Michael | Chief Operating Officer | Option exercise | 19K | $0.00 | $0 | 294K |
| 2025-10-16 | Lockwood Ryan | Chief Financial Officer | Option exercise | 19K | $0.00 | $0 | 215K |
| 2025-10-16 | Meniane David | Chief Executive Officer | Option exercise | 44K | $0.00 | $0 | 1.9M |
| 2025-09-29 | GREYSON JAY KEITH | Director | Grant | 20K | $0.72 | $14K | 405K |
| 2025-07-17 | Subramanian Kals | Chief Technology Officer | Tax withholding | 5K | $0.81 | $4K | 206K |
| 2025-07-17 | Lockwood Ryan | Chief Financial Officer | Tax withholding | 7K | $0.81 | $5K | 196K |
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. JSON2 Form 144 notices on file for PRTS worth $119K at the prices reported; 0 in the last 90 days worth $0. Latest: Lockwood Ryan filed on 2025-11-26 to sell 191,000 shares ($100K) from 2025-11-26.
| Filed | Seller | Shares | Market value | Of outstanding | Sale from | Broker |
|---|---|---|---|---|---|---|
| 2025-11-26 | Lockwood RyanOfficer | 191K | $100K | 0.274% | 2025-11-26 | Fidelity Brokerage Services LLC |
| 2025-11-25 | Lockwood RyanAffiliate | 40K | $19K | 0.057% | 2025-11-25 | Charles Schwab Corp. |
Large holders (13D and 13G)
One row per reporting person with its latest filing, newest first. JSON7 holders report 5% or more of PRTS in their latest filing, all on Schedule 13G (passive). The largest reported stake is Axislink Holding B.V. at 8.1% of the class (5,538,958 shares), filed 2025-09-23 for an event on 2025-09-10.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-02-17 | 13G/Ano. 3 | Oaktop Capital Management II, L.P.investment adviser | 0 | 0.0% | 2025-12-31 |
| 2025-09-23 | 13G | Axislink Holding B.V.corporation | 5.5M | 8.1% | 2025-09-10 |
| 2025-09-23 | 13G | HONGKONG YUNEXPRESS LOGISTICS LIMITEDcorporation | 5.5M | 8.1% | 2025-09-10 |
| 2025-09-23 | 13G | Shenzhen Qianhai Yunexpress Logistics Co., Ltd.corporation | 5.5M | 8.1% | 2025-09-10 |
| 2025-09-23 | 13G | Shenzhen YKD Technology Co., Ltd.corporation | 5.5M | 8.1% | 2025-09-10 |
| 2025-09-23 | 13G | Fujian Zongteng Network Co., Ltd.corporation | 5.5M | 8.1% | 2025-09-10 |
| 2025-09-23 | 13G | Zhoushan Juzong Investment Partnership Enterprise (Limited Partnership)partnership | 5.5M | 8.1% | 2025-09-10 |
| 2025-09-23 | 13G | Wang Zuanindividual | 5.5M | 8.1% | 2025-09-10 |
13F holders
Tracked managers holding PRTS at their latest 13F. JSON1 of the 30 tracked managers held PRTS at their latest 13F, $840K in total at quarter-end prices. Renaissance Technologies is the largest at $840K (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 1 added shares and 0 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| Renaissance Technologies | 2026-06-30 | 130K | $840K | 0.00% | new |
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 2026-07-04) CarParts.com reported revenue of $135.6M, down 10.7% from the same quarter a year earlier, and net loss of $3.2M (-0.43 diluted EPS). In FY 2025 it generated -$34.1M of operating cash flow.
- Equity
- $56.8M
- Total assets
- $184.0M
- Shares outstanding
- 8,065,432
Quarterly, last 8 quarters
| Quarter | Period end | Revenue | Net income | Margin | Diluted EPS |
|---|---|---|---|---|---|
| Q2 FY 2026 | 2026-07-04 | $135.6M | -$3.2M | -2.4% | -0.43 |
| Q1 FY 2026 | 2026-04-04 | $132.0M | -$1.9M | -1.5% | -0.03 |
| Q4 FY 2025derived | 2026-01-03 | $120.4M | -$11.6M | -9.6% | n/a |
| Q3 FY 2025 | 2025-09-27 | $127.8M | -$10.9M | -8.5% | -0.19 |
| Q2 FY 2025 | 2025-06-28 | $151.9M | -$12.7M | -8.4% | -2.27 |
| Q1 FY 2025 | 2025-03-29 | $147.4M | -$15.3M | -10.4% | -0.27 |
| Q4 FY 2024derived | 2024-12-28 | $133.5M | -$15.4M | -11.5% | n/a |
| Q3 FY 2024 | 2024-09-28 | $144.8M | -$10.0M | -6.9% | -0.17 |
Fiscal years, with buybacks and dividends
| Fiscal year | Ends | Revenue | Net income | Operating cash flow | Capex | Buybacks | Dividends |
|---|---|---|---|---|---|---|---|
| FY 2025 | 2026-01-03 | $547.5M | -$50.4M | -$34.1M | $8.0M | n/a | n/a |
| FY 2023 | 2024-12-28 | $588.8M | -$40.6M | $10.3M | $20.6M | n/a | n/a |
| FY 2022 | 2023-12-30 | $675.7M | -$8.2M | $50.0M | $11.9M | $4.3M | n/a |
| FY 2021 | 2022-12-31 | n/a | -$951K | $15.4M | $12.6M | n/a | n/a |
| FY 2021 | 2022-01-01 | n/a | -$10.3M | -$7.0M | $11.6M | $524K | n/a |
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 2026-07-04; shares outstanding as of 2026-07-30 from the cover page.
What this page is
CarParts.com 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 CarParts.com (PRTS), SEC CIK 1378950, listed on Nasdaq, classified by the SEC as retail-auto & home supply stores. 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 2026-10-12.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-09-11.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 2025-11-26.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 2026-02-17.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 2026-07-04.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 2026-08-06.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 2026-09-10.JSON and CSV
- Company record
- EDGAR filing index for CIK 1378950Ticker, 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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Frequently Asked Questions
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Does PRTS have fails to deliver?
Are PRTS insiders buying or selling?
Have PRTS insiders filed to sell?
Who owns 5% or more of PRTS?
What did PRTS report last quarter?
Which tracked 13F managers own PRTS?
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.