MarketPeel
Insider Trading Intelligence
WC

William H. Carson

ANNX
DIRECTOR · ANNEXON, INC. · CIK 0001824280
FILING MIX · LIFETIME100%/0%
BUYS
25
SELLS
0
TOTAL VALUE
$374.1K
COMPANIES
1
ACTIVE SINCE
Feb 2021
HOLDINGS NOW
65,000
AVG SELL PX
TRADE KIND
SHOWING 25 / 25
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
18 backtested trades · 8 horizons · 29 pending
Forward-return performance of every backtestable P/S trade by William H. Carson, 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
7d18+61.11%+2.79%+0.45%+2.35%+0.35%
14d18+55.56%+5.64%+1.29%+4.93%-1.05%
30d18+61.11%+9.28%+2.05%+7.23%+0.25%
60d18(1 pending)+58.82%+15.15%+4.19%+10.96%+9.51%
90d18(2 pending)+62.50%+22.64%+4.73%+17.91%+16.89%
180d18(3 pending)+73.33%+33.45%+7.30%+26.40%-0.56%
1y18(9 pending)+11.11%-33.29%+13.76%-47.05%-68.72%
2y18(14 pending)+100.00%+13.30%+38.26%-27.81%-26.64%
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
ANNX · 65,000 shares · as of Jun 11, 2026
019,60139,20358,80478,40520222023202420252026SHARES 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 · 25 buys / 0 sellsCOVERAGE · 22 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
ANNX
ANNEXON, INC.
PURCHASEGRANT
Stock grant
65,00065,000Jun 11, 2026Jun 15, 2026View →
ANNX
ANNEXON, INC.
PURCHASE10b5-1
10b5-1 plan
8,000$5.78$46.2K78,405May 11, 2026May 13, 2026View →
ANNX
ANNEXON, INC.
PURCHASE10b5-1
10b5-1 plan
8,000$6.20$49.6K70,405Apr 10, 2026Apr 14, 2026View →
ANNX
ANNEXON, INC.
PURCHASE10b5-1
10b5-1 plan
8,000$5.67$45.4K62,405Mar 10, 2026Mar 12, 2026View →
ANNX
ANNEXON, INC.
PURCHASE10b5-1
10b5-1 plan
4,115$5.02$20.7K54,405Dec 30, 2025Jan 2, 2026View →
ANNX
ANNEXON, INC.
PURCHASE10b5-1
10b5-1 plan
4,115$4.47$18.4K50,290Dec 1, 2025Dec 3, 2025View →
ANNX
ANNEXON, INC.
PURCHASE10b5-1
10b5-1 plan
4,115$3.17$13.0K46,175Oct 30, 2025Oct 31, 2025View →
ANNX
ANNEXON, INC.
PURCHASE10b5-1
10b5-1 plan
4,115$3.05$12.6K42,060Sep 30, 2025Oct 2, 2025View →
ANNX
ANNEXON, INC.
PURCHASE10b5-1
10b5-1 plan
4,115$2.09$8.6K37,945Sep 2, 2025Sep 4, 2025View →
ANNX
ANNEXON, INC.
PURCHASE10b5-1
10b5-1 plan
4,115$2.43$10.0K33,830Jul 30, 2025Aug 1, 2025View →
ANNX
ANNEXON, INC.
PURCHASE10b5-1
10b5-1 plan
4,115$2.46$10.1K29,715Jun 30, 2025Jul 1, 2025View →
ANNX
ANNEXON, INC.
PURCHASEGRANT
Stock grant
55,00055,000Jun 5, 2025Jun 9, 2025View →
ANNX
ANNEXON, INC.
PURCHASE10b5-1
10b5-1 plan
3,200$5.33$17.1K25,600Dec 2, 2024Dec 4, 2024View →
ANNX
ANNEXON, INC.
PURCHASE10b5-1
10b5-1 plan
3,200$5.97$19.1K22,400Oct 1, 2024Oct 2, 2024View →
ANNX
ANNEXON, INC.
PURCHASE10b5-1
10b5-1 plan
3,200$5.48$17.5K19,200Sep 3, 2024Sep 4, 2024View →
ANNX
ANNEXON, INC.
PURCHASE10b5-1
10b5-1 plan
3,200$6.24$20.0K16,000Aug 1, 2024Aug 5, 2024View →
ANNX
ANNEXON, INC.
PURCHASE10b5-1
10b5-1 plan
3,200$5.00$16.0K12,800Jul 1, 2024Jul 2, 2024View →
ANNX
ANNEXON, INC.
PURCHASEGRANT
Stock grant
44,00044,000Jun 5, 2024Jun 7, 2024View →
ANNX
ANNEXON, INC.
PURCHASE10b5-1
10b5-1 plan
3,200$4.83$15.5K9,600Jun 3, 2024Jun 5, 2024View →
ANNX
ANNEXON, INC.
PURCHASE10b5-1
10b5-1 plan
3,200$4.68$15.0K6,400May 1, 2024May 3, 2024View →
ANNX
ANNEXON, INC.
PURCHASE10b5-1
10b5-1 plan
3,200$6.07$19.4K3,200Apr 8, 2024Apr 10, 2024View →
ANNX
ANNEXON, INC.
PURCHASEGRANT
Stock grant
24,00024,000Jun 8, 2023Jun 12, 2023View →
ANNX
ANNEXON, INC.
PURCHASEGRANT
Stock grant
24,00024,000Jun 9, 2022Jun 13, 2022View →
ANNX
ANNEXON, INC.
PURCHASEGRANT
Stock grant
10,00010,000Jun 2, 2021Jun 4, 2021View →
ANNX
ANNEXON, INC.
PURCHASEGRANT
Stock grant
20,00020,000Feb 5, 2021Feb 8, 2021View →
Other insiders · ANNX
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About this filer
CIK 0001824280
ROLE
Director
PRIMARY
ANNX
COMPANIES
1
ACTIVE SINCE
Feb 2021
MARKETPEEL · /INSIDER/0001824280DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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