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WN

Wendy B. Needham

GPC
DIRECTOR · GENUINE PARTS CO · CIK 0001270476
FILING MIX · LIFETIME43%/57%
BUYS
9
SELLS
12
TOTAL VALUE
$2.26M
COMPANIES
1
ACTIVE SINCE
Apr 2020
HOLDINGS NOW
7,333
AVG SELL PX
$136.85
TRADE KIND
SHOWING 21 / 21
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
4 backtested trades · 8 horizons · 2 pending
Forward-return performance of every backtestable P/S trade by Wendy B. Needham, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d4+100.00%-3.22%-1.44%-1.78%-1.65%—
14d4+75.00%-2.15%-1.17%-0.97%-1.76%—
30d4+75.00%-2.88%-4.61%+1.73%+3.57%—
60d4+75.00%-3.63%+0.74%-4.36%-2.47%—
90d4+75.00%-4.22%+1.29%-5.51%-6.66%—
180d4+50.00%-4.46%+7.54%-12.01%-10.08%—
1y4+75.00%-9.11%+12.89%-22.00%-25.50%—
2y4(2 pending)+100.00%-38.29%+33.84%-72.13%-72.13%—
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
GPC · 7,333 shares · as of Mar 5, 2025
04,6589,31613,97318,63120212022202320242025SHARES HELD
Trading cadence · quarterly flow
BUY ● SELL ●
2020
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
FLOW · 9 buys / 12 sellsCOVERAGE · 20 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
GPC
GENUINE PARTS CO
SALE
4,024$123.28$496.1K7,333Mar 5, 2025Mar 5, 2025 ↗View →
GPC
GENUINE PARTS CO
SALE
1,608$120.78$194.2K11,357Dec 13, 2024Dec 13, 2024 ↗View →
GPC
GENUINE PARTS CO
SALEGRANT
Gift
41——12,965May 22, 2024May 23, 2024 ↗View →
GPC
GENUINE PARTS CO
SALE
3,000$151.29$453.9K13,006May 21, 2024May 22, 2024 ↗View →
GPC
GENUINE PARTS CO
PURCHASEGRANT
Stock grant
1,207——1,207May 3, 2024May 7, 2024 ↗View →
GPC
GENUINE PARTS CO
SALE
454$157.72$71.6K16,006May 1, 2024May 3, 2024 ↗View →
GPC
GENUINE PARTS CO
SALE
2,063——0May 1, 2024May 3, 2024 ↗View →
GPC
GENUINE PARTS CO
PURCHASE
2,063——16,460May 1, 2024May 3, 2024 ↗View →
GPC
GENUINE PARTS CO
SALE
3,250$154.92$503.5K14,397Mar 20, 2024Mar 21, 2024 ↗View →
GPC
GENUINE PARTS CO
SALEGRANT
Gift
475——17,647May 24, 2023May 25, 2023 ↗View →
GPC
GENUINE PARTS CO
SALE
2,313——0May 1, 2023May 3, 2023 ↗View →
GPC
GENUINE PARTS CO
PURCHASEGRANT
Stock grant
1,112——1,112May 1, 2023May 3, 2023 ↗View →
GPC
GENUINE PARTS CO
PURCHASE
2,313——18,631May 1, 2023May 3, 2023 ↗View →
GPC
GENUINE PARTS CO
SALE
509$170.23$86.6K18,122May 1, 2023May 3, 2023 ↗View →
GPC
GENUINE PARTS CO
PURCHASEGRANT
Stock grant
1,418——1,418May 2, 2022May 4, 2022 ↗View →
GPC
GENUINE PARTS CO
PURCHASEGRANT
Stock grant
1,454——1,454May 3, 2021May 4, 2021 ↗View →
GPC
GENUINE PARTS CO
SALE
516$116.62$60.2K14,503Apr 1, 2021Apr 2, 2021 ↗View →
GPC
GENUINE PARTS CO
PURCHASE
2,000$116.62$233.2K15,019Apr 1, 2021Apr 2, 2021 ↗View →
GPC
GENUINE PARTS CO
PURCHASEGRANT
Stock grant
2,484——2,484May 1, 2020May 4, 2020 ↗View →
GPC
GENUINE PARTS CO
SALE
508$62.74$31.9K12,675Apr 1, 2020Apr 2, 2020 ↗View →
GPC
GENUINE PARTS CO
PURCHASE
2,000$62.74$125.5K13,183Apr 1, 2020Apr 2, 2020 ↗View →
Other insiders · GPC
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About this filer
CIK 0001270476
ROLE
Director
PRIMARY
GPC
COMPANIES
1
ACTIVE SINCE
Apr 2020
MARKETPEEL · /INSIDER/0001270476DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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