MarketPeel
Insider Trading Intelligence
JC

Joshua B. Cohen

AMLX
CO-CHIEF EXECUTIVE OFFICER · AMYLYX PHARMACEUTICALS, INC. · CIK 0001898644
FILING MIX · LIFETIME48%/52%
BUYS
21
SELLS
23
TOTAL VALUE
$8.64M
COMPANIES
1
ACTIVE SINCE
Jan 2022
HOLDINGS NOW
3,583,548
AVG SELL PX
$16.79
TRADE KIND
SHOWING 44 / 44
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
15 backtested trades · 8 horizons · 24 pending
Forward-return performance of every backtestable P/S trade by Joshua B. Cohen, 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
7d15+66.67%+0.35%-1.17%+1.52%-1.18%
14d15+46.67%+3.60%-0.09%+3.69%+1.80%
30d15+46.67%+8.48%+0.24%+8.24%+1.34%
60d15+33.33%+9.58%+0.13%+9.46%+7.64%
90d15+46.67%+10.34%+2.40%+9.12%+12.30%
180d15(5 pending)+50.00%+54.88%+7.08%+47.80%+7.26%
1y15(7 pending)+37.50%+154.95%+21.30%+133.65%+225.08%
2y15(12 pending)+100.00%-68.42%+46.67%-115.09%-134.79%
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
AMLX · 3,583,548 shares · as of Mar 5, 2026
0895,8871,791,7742,687,6613,583,5482023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
FLOW · 21 buys / 23 sellsCOVERAGE · 17 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
AMLX
AMYLYX PHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
373,295373,295Mar 5, 2026Mar 9, 2026View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
248,8653,583,548Mar 5, 2026Mar 9, 2026View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
SALE
Co-Chief Executive Officer
29,282$14.48$424.1K3,334,683Mar 2, 2026Mar 4, 2026View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
SALE
Co-Chief Executive Officer
15,500$14.68$227.6K3,363,965Feb 2, 2026Feb 4, 2026View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
PURCHASE
Co-Chief Executive Officer
2,818$7.57$21.3K3,381,439Jan 16, 2026Jan 20, 2026View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
SALE
Co-Chief Executive Officer
2,8180Jan 16, 2026Jan 20, 2026View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
SALE
Co-Chief Executive Officer
1,974$13.83$27.3K3,379,465Jan 16, 2026Jan 20, 2026View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
SALE
Co-Chief Executive Officer
197,1822,818Jan 15, 2026Jan 20, 2026View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
PURCHASE
Co-Chief Executive Officer
197,182$7.57$1.49M3,514,814Jan 15, 2026Jan 20, 2026View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
SALE
Co-Chief Executive Officer
136,193$13.59$1.85M3,378,621Jan 15, 2026Jan 20, 2026View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
SALE
Co-Chief Executive Officer
7,715$11.09$85.6K3,317,632Jan 6, 2026Jan 8, 2026View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
SALE
Co-Chief Executive Officer
200$15.00$3.0K3,325,347Sep 30, 2025Oct 2, 2025View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
SALE
Co-Chief Executive Officer
29,733$14.34$426.5K3,325,547Sep 30, 2025Oct 2, 2025View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
SALE
Co-Chief Executive Officer
21,490$3.47$74.5K3,355,280Mar 31, 2025Apr 2, 2025View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
270,177270,177Mar 6, 2025Mar 10, 2025View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
180,1183,376,770Mar 6, 2025Mar 10, 2025View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
SALE
Co-Chief Executive Officer
4,595$3.17$14.5K3,196,652Mar 3, 2025Mar 5, 2025View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
SALE
Co-Chief Executive Officer
11,851$3.47$41.1K3,201,247Feb 3, 2025Feb 5, 2025View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
SALE
Co-Chief Executive Officer
7,471$4.05$30.2K3,213,098Jan 6, 2025Jan 8, 2025View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
SALE
Co-Chief Executive Officer
18,589$3.20$59.4K3,220,569Sep 30, 2024Oct 2, 2024View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
SALE
Co-Chief Executive Officer
1,8570Sep 23, 2024Sep 25, 2024View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
PURCHASE
Co-Chief Executive Officer
1,857$1.57$2.9K3,239,158Sep 23, 2024Sep 25, 2024View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
SALE
Co-Chief Executive Officer
34,4491,857Sep 12, 2024Sep 16, 2024View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
PURCHASE
Co-Chief Executive Officer
34,449$1.57$54.1K3,237,301Sep 12, 2024Sep 16, 2024View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
179,8503,202,852Apr 16, 2024Apr 18, 2024View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
380,000380,000Apr 16, 2024Apr 18, 2024View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
SALE
Co-Chief Executive Officer
4,135$18.73$77.4K3,023,002Mar 5, 2024Mar 7, 2024View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
190,000190,000Feb 26, 2024Feb 28, 2024View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
126,6673,027,137Feb 26, 2024Feb 28, 2024View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
SALE
Co-Chief Executive Officer
5,841$16.33$95.4K2,900,470Jan 9, 2024Jan 11, 2024View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
SALE
Co-Chief Executive Officer
63,69436,306Nov 16, 2023Nov 20, 2023View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
PURCHASE
Co-Chief Executive Officer
63,694$1.57$100.0K2,906,311Nov 16, 2023Nov 20, 2023View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
50,0002,842,617Mar 16, 2023Mar 20, 2023View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
225,000225,000Mar 16, 2023Mar 20, 2023View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
SALE
Co-Chief Executive Officer
96,076$31.84$3.06M2,796,541Mar 16, 2023Mar 20, 2023View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
SALE
Co-Chief Executive Officer
3,924$32.45$127.3K2,792,617Mar 16, 2023Mar 20, 2023View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
PURCHASE
Co-Chief Executive Officer
4,122$36.08$148.7K2,894,463Jan 6, 2023Jan 10, 2023View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
PURCHASE
Co-Chief Executive Officer
1,846$36.79$67.9K2,892,617Jan 6, 2023Jan 10, 2023View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
PURCHASE
Co-Chief Executive Officer
334,520$0.37$123.8K2,898,585May 5, 2022May 6, 2022View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
SALE
Co-Chief Executive Officer
334,5200May 5, 2022May 6, 2022View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
337,500337,500Jan 6, 2022Jan 10, 2022View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
SALE
Co-Chief Executive Officer
4,8700Jan 6, 2022Jan 10, 2022View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
PURCHASE
Co-Chief Executive Officer
4,8702,489,065Jan 6, 2022Jan 10, 2022View →
AMLX
AMYLYX PHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
75,0002,564,065Jan 6, 2022Jan 10, 2022View →
Other insiders · AMLX
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About this filer
CIK 0001898644
ROLE
Co-Chief Executive Officer
PRIMARY
AMLX
COMPANIES
1
ACTIVE SINCE
Jan 2022
MARKETPEEL · /INSIDER/0001898644DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
FREE · DAILY · 6 AM ET

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