PRTS — CarParts.com, Inc.
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.
Performance
Technicals
Others in Consumer Discretionary
Measured signals that fired on PRTS
| date | signal | measured base rate |
|---|---|---|
| 2026-05-15 | Short volume far above its own normal short | -0.76% over 21 days · t = -2.79 · n = 5,897 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-07-07 | GREYSON JAY KEITH Director | Grant or award | 1.9K | 6.17 | 11.5K |
| 2026-04-06 | GREYSON JAY KEITH Director | Grant or award | 14.3K | 0.81 | 11.6K |
| 2026-02-09 | Meniane David Chief Executive Officer | Shares withheld for tax | 26.1K | 0.50 | 13.0K |
| 2026-02-06 | Subramanian Kals Chief Technology Officer | Option exercise | 24.5K | 0.00 | 0 |
| 2026-02-06 | Meniane David Chief Executive Officer | Option exercise | 72.7K | 0.00 | 0 |
| 2026-02-06 | Huffaker Michael Chief Operating Officer | Option exercise | 13.3K | 0.00 | 0 |
| 2026-01-20 | Meniane David Chief Executive Officer | Shares withheld for tax | 47.3K | 0.52 | 24.6K |
| 2026-01-20 | Meniane David Chief Executive Officer | Shares withheld for tax | 17.9K | 0.52 | 9.3K |
| 2026-01-16 | Huffaker Michael Chief Operating Officer | Option exercise | 18.8K | 0.00 | 0 |
| 2026-01-16 | Huffaker Michael Chief Operating Officer | Option exercise | 43.6K | 0.00 | 0 |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 1.9M | 2.4M |
| BlackRock, Inc. | 1.6M | 2.0M |
| North Star Investment Management Corp. | 1.1M | 1.4M |
| RENAISSANCE TECHNOLOGIES LLC | 1.1M | 1.3M |
| GEODE CAPITAL MANAGEMENT, LLC | 470.9K | 599.1K |
| CITADEL ADVISORS LLC | 367.6K | 467.8K |
| JANE STREET GROUP, LLC | 316.4K | 402.6K |
| VANGUARD FIDUCIARY TRUST CO | 306.2K | 389.6K |
| UBS Group AG | 246.5K | 313.6K |
| STATE STREET CORP | 208.1K | 264.8K |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| 10-Q | 2026-08-07 | 2026-07-04 | on EDGAR ↗ |
| 8-K | 2026-08-06 | 2026-08-06 | on EDGAR ↗ |
| 4 | 2026-07-08 | 2026-07-07 | on EDGAR ↗ |
| 4 | 2026-07-08 | 2026-07-07 | on EDGAR ↗ |
| EFFECT | 2026-06-16 | — | on EDGAR ↗ |
| 8-K | 2026-06-16 | 2026-06-15 | on EDGAR ↗ |
| 3 | 2026-06-15 | 2026-06-06 | on EDGAR ↗ |
| 8-K | 2026-06-09 | 2026-06-09 | on EDGAR ↗ |
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
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