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Magnin Shelly A. Dumas

SNDR
VICE PRESIDENT AND CONTROLLER · SCHNEIDER NATIONAL, INC. · CIK 0001805728
FILING MIX · LIFETIME29%/71%
BUYS
8
SELLS
20
TOTAL VALUE
$455.7K
COMPANIES
1
ACTIVE SINCE
Feb 2021
HOLDINGS NOW
24,697
AVG SELL PX
$26.52
TRADE KIND
SHOWING 28 / 28
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
1 backtested trades · 8 horizons · 5 pending
Forward-return performance of every backtestable P/S trade by Magnin Shelly A. Dumas, 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
7d1+100.00%-5.60%+1.16%-6.75%-6.75%—
14d1+0.00%+4.92%————
30d1+0.00%+15.96%+3.18%+12.78%+12.78%—
60d1(1 pending)——————
90d1(1 pending)——————
180d1(1 pending)——————
1y1(1 pending)——————
2y1(1 pending)——————
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
SNDR · 24,697 shares · as of May 6, 2026
07,44814,89522,34329,79020222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY ● SELL ●
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 8 buys / 20 sellsCOVERAGE · 22 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
SNDR
SCHNEIDER NATIONAL, INC.
SALE
VP and Corporate Controller
2,425$30.90$74.9K24,697May 6, 2026May 8, 2026 ↗View →
SNDR
SCHNEIDER NATIONAL, INC.
SALE
VP and Corporate Controller
714$28.73$20.5K27,583Feb 15, 2026Feb 18, 2026 ↗View →
SNDR
SCHNEIDER NATIONAL, INC.
SALE
VP and Corporate Controller
680$28.73$19.5K29,110Feb 15, 2026Feb 18, 2026 ↗View →
SNDR
SCHNEIDER NATIONAL, INC.
SALE
VP and Corporate Controller
461$28.73$13.2K27,122Feb 15, 2026Feb 18, 2026 ↗View →
SNDR
SCHNEIDER NATIONAL, INC.
SALE
VP and Corporate Controller
813$28.73$23.4K28,297Feb 15, 2026Feb 18, 2026 ↗View →
SNDR
SCHNEIDER NATIONAL, INC.
PURCHASEGRANT
Stock grant
3,916——29,790Feb 13, 2026Feb 18, 2026 ↗View →
SNDR
SCHNEIDER NATIONAL, INC.
SALE
VP and Corporate Controller
468$23.75$11.1K25,874Mar 15, 2025Mar 18, 2025 ↗View →
SNDR
SCHNEIDER NATIONAL, INC.
SALE
VP and Corporate Controller
680$27.52$18.7K26,342Feb 15, 2025Feb 19, 2025 ↗View →
SNDR
SCHNEIDER NATIONAL, INC.
SALE
VP and Corporate Controller
813$27.52$22.4K27,527Feb 15, 2025Feb 19, 2025 ↗View →
SNDR
SCHNEIDER NATIONAL, INC.
SALE
VP and Corporate Controller
505$27.52$13.9K27,022Feb 15, 2025Feb 19, 2025 ↗View →
SNDR
SCHNEIDER NATIONAL, INC.
PURCHASEGRANT
Stock grant
4,088——28,340Feb 14, 2025Feb 19, 2025 ↗View →
SNDR
SCHNEIDER NATIONAL, INC.
SALE
Vice President and Controller
468$22.55$10.6K24,252Mar 15, 2024Mar 19, 2024 ↗View →
SNDR
SCHNEIDER NATIONAL, INC.
SALE
Vice President and Controller
395$22.55$8.9K24,720Mar 15, 2024Mar 19, 2024 ↗View →
SNDR
SCHNEIDER NATIONAL, INC.
PURCHASEGRANT
Stock grant
7,406——28,700Feb 23, 2024Feb 27, 2024 ↗View →
SNDR
SCHNEIDER NATIONAL, INC.
SALE
Vice President and Controller
3,585$25.45$91.2K25,115Feb 23, 2024Feb 27, 2024 ↗View →
SNDR
SCHNEIDER NATIONAL, INC.
SALE
Vice President and Controller
650$24.14$15.7K21,294Feb 15, 2024Feb 20, 2024 ↗View →
SNDR
SCHNEIDER NATIONAL, INC.
PURCHASEGRANT
Stock grant
4,662——22,427Feb 15, 2024Feb 20, 2024 ↗View →
SNDR
SCHNEIDER NATIONAL, INC.
SALE
Vice President and Controller
483$24.14$11.7K21,944Feb 15, 2024Feb 20, 2024 ↗View →
SNDR
SCHNEIDER NATIONAL, INC.
SALE
Vice President and Controller
269$26.36$7.1K13,668Mar 15, 2023Mar 17, 2023 ↗View →
SNDR
SCHNEIDER NATIONAL, INC.
SALE
Vice President and Controller
319$26.36$8.4K13,349Mar 15, 2023Mar 17, 2023 ↗View →
SNDR
SCHNEIDER NATIONAL, INC.
SALE
Vice President and Controller
2,300$23.40$53.8K17,765Feb 21, 2023Jan 17, 2024 ↗View →
SNDR
SCHNEIDER NATIONAL, INC.
PURCHASEGRANT
Stock grant
6,716——20,065Feb 21, 2023Jan 17, 2024 ↗View →
SNDR
SCHNEIDER NATIONAL, INC.
PURCHASEGRANT
Stock grant
3,899——13,937Feb 15, 2023Feb 17, 2023 ↗View →
SNDR
SCHNEIDER NATIONAL, INC.
SALE
Vice President and Controller
360$28.86$10.4K10,038Feb 15, 2023Feb 17, 2023 ↗View →
SNDR
SCHNEIDER NATIONAL, INC.
SALE
Vice President and Controller
544$25.65$14.0K10,398Mar 15, 2022Mar 17, 2022 ↗View →
SNDR
SCHNEIDER NATIONAL, INC.
PURCHASEGRANT
Stock grant
3,860——10,942Feb 15, 2022Mar 17, 2022 ↗View →
SNDR
SCHNEIDER NATIONAL, INC.
SALE
Vice President and Controller
250$25.19$6.3K7,082Mar 15, 2021Mar 17, 2021 ↗View →
SNDR
SCHNEIDER NATIONAL, INC.
PURCHASEGRANT
Stock grant
3,976——7,332Feb 15, 2021Feb 17, 2021 ↗View →
Other insiders · SNDR
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About this filer
CIK 0001805728
ROLE
Vice President and Controller
PRIMARY
SNDR
COMPANIES
1
ACTIVE SINCE
Feb 2021
MARKETPEEL · /INSIDER/0001805728DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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