US Auto Parts Network Inc

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US Auto Parts Network Inc
TickerPRTS
CIK #0001378950
CUSIP14427M107
SectorTrade & Services - Retail-Auto & Home Supply Stores
Address17150 South Margay Avenue, Carson, CA 90746
Source [EDGAR]
Reg D Offering (Form D) Filed Raised Terms
US Auto Parts Network Inc 2013-04-10 6.0 M Exemption: 506 · Duration: One year or less · Commission: $349,171 · Revenue: Decline to Disclose
CIK Filing 2011 - 2026
[0001378950] 10-K
[0001378950] 10-Q
[0001378950] 3
[0001378950] 4
[0001378950] 5
[0001378950] 8-K
[0001378950] D
[0001378950] SC 13D
[0001378950] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Oaktop Capital Management II LP Carpartscom Inc [2023-02-14] 6.3
Vanguard Group Inc Carpartscom Inc [2023-02-09] 6.87
BlackRock Inc Carpartscom Inc [2022-02-04] 6.1
Park West Asset Management LLC Carpartscom Inc [2021-04-05] 5.4
Goldman Sachs & Co LLC Carpartscom Inc [2021-02-11] 6.5
Morgan Stanley Carpartscom Inc [2021-02-08] 5.3
Polar Asset Management Partners Inc Carpartscom Inc [2021-02-08] 5.4
BlackRock Inc Carpartscom Inc [2021-02-02] 5.1
North Star Investment Management Corp US Auto Parts Network Inc [2019-01-09] 5.11
Philotimo Fund LP US Auto Parts Network Inc [2018-10-23] 3.2
Khazani Mina US Auto Parts Network Inc [2018-06-29] 6.56
Calm Waters Partnership US Auto Parts Network Inc [2018-03-13] 2.6
Calm Waters Partnership US Auto Parts Network Inc [2017-12-19] 3.3
Portolan Capital Management LLC US Auto Parts Network Inc [2017-06-01] 5.97
William Blair Investment Management LLC US Auto Parts Network Inc [2016-02-09] 8.29
Lafitte Capital LLC US Auto Parts Network Inc [2016-02-03] 5.6
Maguire Asset Management LLC US Auto Parts Network Inc [2013-07-18] 5.1
Discovery Group I LLC US Auto Parts Network Inc [2012-05-11] 5.3
Capital World Investors US Auto Parts Network Inc [2012-02-10] 6.5
Form 3/4/5 Filer 2011 - 2026
Nauss Timothy Green
CarPartscom Inc
Greyson Jay Keith
Liu Nanxi
Dutra Ana
Costa Lisa
Phelps Barry
Meniane David
Subramanian Kals
Huffaker Michael
DiSiena Mark
Lockwood Ryan
Maier Henry J
Barnes Jim
Akhavan Houman
Gomez Alfredo
Peker Lev
Gomes Sanjiv
Nia Mehran
Khazani Sol
Berman Joshua L
Philotimo Fund LP
Kanen Wealth Management LLC
Kanen David
Eisler David
Watanabe Neil T
Hoffmann Roger
Coleman Aaron
Palmer Barbara
Wilson Bradley E
Harman Frederic W
Oak Investment Partners XI L P
Majteles Robert J
Evangelist Shane N
Yoshida Michael
Stevenson Bryan
Robson David
Siminoff Ellen F
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Meniane David
Common Stock
2026-02-09 Tax withheld 26,068 $0.50 13,034
Meniane David
Common Stock
2026-02-06 Option exercise 72,652 $0.00
Subramanian Kals
Common Stock
2026-02-06 Option exercise 24,483 $0.00
Huffaker Michael
Restricted Stock Units · derivative
2026-02-06 Option exercise 13,334 $0.00
Huffaker Michael
Common Stock
2026-02-06 Option exercise 13,334 $0.00
Meniane David
Restricted Stock Units · derivative
2026-02-06 Option exercise 72,652 $0.00
Subramanian Kals
Restricted Stock Units · derivative
2026-02-06 Option exercise 24,483 $0.00
Meniane David
Common Stock
2026-01-20 Tax withheld 47,342 $0.52 24,618
Meniane David
Common Stock
2026-01-20 Tax withheld 17,950 $0.52 9,334
Meniane David
Common Stock
2026-01-16 Option exercise 43,750 $0.00
Subramanian Kals
Common Stock
2026-01-16 Option exercise 39,167 $0.00
Meniane David
Restricted Stock Units · derivative
2026-01-16 Option exercise 43,750 $0.00
Meniane David
Restricted Stock Units · derivative
2026-01-16 Option exercise 114,963 $0.00
Subramanian Kals
Common Stock
2026-01-16 Option exercise 18,750 $0.00
Subramanian Kals
Restricted Stock Units · derivative
2026-01-16 Option exercise 39,167 $0.00
Huffaker Michael
Restricted Stock Units · derivative
2026-01-16 Option exercise 18,750 $0.00
Subramanian Kals
Restricted Stock Units · derivative
2026-01-16 Option exercise 18,750 $0.00
Meniane David
Common Stock
2026-01-16 Option exercise 114,963 $0.00
Huffaker Michael
Common Stock
2026-01-16 Option exercise 43,630 $0.00
Huffaker Michael
Restricted Stock Units · derivative
2026-01-16 Option exercise 43,630 $0.00
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 45 11,756,796
2025-12-31 48 13,151,705
2025-09-30 55 18,469,977
2025-06-30 61 22,707,267
2025-03-31 62 22,104,352
2024-12-31 67 24,410,202
2024-09-30 64 23,211,377
2024-06-30 89 29,764,064
2024-03-31 98 41,115,821
2023-12-31 108 40,632,877
2023-09-30 110 42,098,229
2023-06-30 116 42,228,864
Form 13F Holdings
Firm Period DFND Voting Shares
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