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Insider Trading Intelligence
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AF

Alexandria Forbes

MGTX
PRESIDENT AND CEO · MEIRAGTX HOLDINGS PLC · CIK 0001678604
FILING MIX · LIFETIME25%/75%
BUYS
21
SELLS
63
TOTAL VALUE
$11.33M
COMPANIES
1
ACTIVE SINCE
Dec 2019
HOLDINGS NOW
980,000
AVG SELL PX
$9.94
TRADE KIND
SHOWING 84 / 84
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
32 backtested trades · 8 horizons · 10 pending
Forward-return performance of every backtestable P/S trade by Alexandria Forbes, 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
7d32+59.38%-0.42%+0.95%-1.36%-2.10%-0.93
14d32+59.38%-0.66%+1.74%-2.40%-7.49%-1.16
30d32+56.25%-2.13%+2.09%-4.21%-0.67%-2.18
60d32+50.00%-0.65%+2.83%-4.41%-5.20%-3.12
90d32+59.38%-4.01%+4.86%-8.87%-5.92%-3.55
180d32(1 pending)+70.97%-9.38%+10.11%-19.49%-28.06%-5.73
1y32(3 pending)+55.17%-4.54%+18.02%-22.55%-23.77%—
2y32(6 pending)+100.00%-53.56%+14.65%-68.21%-72.33%—
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
MGTX · 980,000 shares · as of Jun 25, 2026
0411,540823,0801,234,6191,646,1592020202120222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY ● SELL ●
2019
2020
2020
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 21 buys / 63 sellsCOVERAGE · 27 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
MGTX
MEIRAGTX HOLDINGS PLC
PURCHASEGRANT
Stock grant
980,000——980,000Jun 25, 2026Jun 29, 2026 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE10b5-1
10b5-1 plan
62,000$9.17$568.5K1,387,695May 19, 2026May 19, 2026 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE10b5-1
10b5-1 plan
62,000$7.41$459.4K1,449,695Mar 24, 2026Mar 24, 2026 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
PRESIDENT & CEO
33,048$7.45$246.2K1,511,695Feb 21, 2026Feb 23, 2026 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
PRESIDENT & CEO
62,500——62,500Feb 21, 2026Feb 23, 2026 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
PURCHASE
PRESIDENT & CEO
62,500——1,544,743Feb 21, 2026Feb 23, 2026 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
PRESIDENT & CEO
310,000——310,000Jan 17, 2026Jan 21, 2026 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
PURCHASE
PRESIDENT & CEO
310,000——1,646,159Jan 17, 2026Jan 21, 2026 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
PRESIDENT & CEO
163,916$7.42$1.22M1,482,243Jan 17, 2026Jan 21, 2026 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
PRESIDENT & CEO
62,500——0Jan 7, 2026Jan 8, 2026 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
PURCHASE
PRESIDENT & CEO
62,500——1,370,233Jan 7, 2026Jan 8, 2026 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
PRESIDENT & CEO
34,074$7.73$263.4K1,336,159Jan 7, 2026Jan 8, 2026 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALEGRANT
Gift
6,250——1,307,733Dec 23, 2025Dec 23, 2025 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE10b5-1
10b5-1 plan
47,500$8.39$398.5K1,313,983Oct 7, 2025Oct 7, 2025 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE10b5-1
10b5-1 plan
47,500$7.97$378.6K1,361,483Jul 8, 2025Jul 8, 2025 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE10b5-1
10b5-1 plan
47,500$5.34$253.7K1,408,983Apr 8, 2025Apr 8, 2025 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
PURCHASEGRANT
Stock grant
950,000——950,000Apr 3, 2025Apr 7, 2025 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
PURCHASE
PRESIDENT & CEO
125,000——1,522,578Feb 21, 2025Feb 25, 2025 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
PRESIDENT & CEO
125,000——125,000Feb 21, 2025Feb 25, 2025 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
PRESIDENT & CEO
66,095$7.30$482.5K1,456,483Feb 21, 2025Feb 25, 2025 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
PRESIDENT & CEO
30,000——0Jan 14, 2025Jan 16, 2025 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
PRESIDENT & CEO
15,863$5.77$91.5K1,397,578Jan 14, 2025Jan 16, 2025 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
PURCHASE
PRESIDENT & CEO
30,000——1,413,441Jan 14, 2025Jan 16, 2025 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE10b5-1
10b5-1 plan
11,661$6.30$73.5K1,383,441Jan 8, 2025Jan 10, 2025 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
PRESIDENT & CEO
33,048$6.34$209.5K1,430,941Jan 7, 2025Jan 10, 2025 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE10b5-1
10b5-1 plan
35,839$6.47$231.9K1,395,102Jan 7, 2025Jan 10, 2025 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
PURCHASE
PRESIDENT & CEO
62,500——1,463,989Jan 7, 2025Jan 10, 2025 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
PRESIDENT & CEO
62,500——62,500Jan 7, 2025Jan 10, 2025 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALEGRANT
Gift
1,000——1,372,504Apr 5, 2024Apr 8, 2024 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALEGRANT
Gift
2,000——1,373,504Mar 12, 2024Mar 14, 2024 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
PURCHASEGRANT
Stock grant
620,000——620,000Jan 17, 2024Jan 17, 2024 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
PURCHASE
PRESIDENT & CEO
30,000——1,391,367Jan 14, 2024Jan 17, 2024 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
PRESIDENT & CEO
30,000——30,000Jan 14, 2024Jan 17, 2024 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
PRESIDENT & CEO
15,863$6.36$100.9K1,375,504Jan 14, 2024Jan 17, 2024 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
PRESIDENT & CEO
25,777$6.63$170.9K1,361,367Jan 8, 2024Jan 9, 2024 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
PURCHASE
PRESIDENT & CEO
48,750——1,387,144Jan 8, 2024Jan 9, 2024 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
PRESIDENT & CEO
48,750——0Jan 8, 2024Jan 9, 2024 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
PRESIDENT & CEO
66,095$6.30$416.4K1,338,394Jan 7, 2024Jan 9, 2024 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
PRESIDENT & CEO
125,000——125,000Jan 7, 2024Jan 9, 2024 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
PURCHASE
PRESIDENT & CEO
125,000——1,404,489Jan 7, 2024Jan 9, 2024 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
PURCHASEGRANT
Stock grant
250,000——250,000Feb 21, 2023Feb 23, 2023 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
PURCHASEGRANT
Stock grant
225,000——225,000Feb 21, 2023Feb 23, 2023 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
PURCHASE
PRESIDENT & CEO
60,000——1,138,176Jan 14, 2023Jan 18, 2023 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
PRESIDENT & CEO
31,726$6.99$221.8K1,106,450Jan 14, 2023Jan 18, 2023 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
PRESIDENT & CEO
60,000——60,000Jan 14, 2023Jan 18, 2023 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
PRESIDENT & CEO
48,750——48,750Jan 8, 2023Jan 10, 2023 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
PRESIDENT & CEO
25,777$6.60$170.1K1,078,176Jan 8, 2023Jan 10, 2023 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
PURCHASE
PRESIDENT & CEO
48,750——1,103,953Jan 8, 2023Jan 10, 2023 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
PURCHASE
President and CEO
97,500——1,160,781Jan 8, 2022Jan 11, 2022 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President and CEO
97,500——97,500Jan 8, 2022Jan 11, 2022 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President and CEO
51,554$21.53$1.11M1,109,227Jan 8, 2022Jan 11, 2022 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
PURCHASEGRANT
Stock grant
250,000——250,000Jan 7, 2022Jan 11, 2022 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President and CEO
15,000$19.86$297.9K1,080,781Nov 17, 2021Nov 18, 2021 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President and CEO
3,200$20.53$65.7K1,095,781Nov 16, 2021Nov 18, 2021 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President and CEO
11,800$19.82$233.9K1,098,981Nov 16, 2021Nov 18, 2021 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President and CEO
23,821$17.21$410.0K1,116,960Oct 18, 2021Oct 20, 2021 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President and CEO
6,179$17.92$110.7K1,110,781Oct 18, 2021Oct 20, 2021 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President and CEO
4,153$15.04$62.5K1,290,781Jun 9, 2021Jun 9, 2021 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President and CEO
20,180$15.02$303.1K1,294,934Jun 8, 2021Jun 9, 2021 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President and CEO
5,667$15.03$85.2K1,315,114Jun 7, 2021Jun 9, 2021 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALEGRANT
Gift
1,000——1,320,781Mar 5, 2021Jun 9, 2021 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President and CEO
15,000$15.57$233.6K1,321,781Feb 17, 2021Feb 18, 2021 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President and CEO
15,000$15.60$234.0K1,336,781Feb 16, 2021Feb 18, 2021 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
PURCHASEGRANT
Stock grant
65,000——65,000Jan 14, 2021Jan 19, 2021 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
PURCHASEGRANT
Stock grant
120,000——120,000Jan 14, 2021Jan 19, 2021 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President and CEO
13,390$15.00$200.8K1,355,781Dec 17, 2020Dec 21, 2020 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President and CEO
1,610$15.05$24.2K1,369,171Nov 18, 2020Nov 19, 2020 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President and CEO
15,000$15.17$227.6K1,370,781Nov 17, 2020Nov 19, 2020 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President and CEO
7,851$15.01$117.8K1,388,748Nov 12, 2020Nov 12, 2020 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President and CEO
8,891$15.01$133.5K1,385,781Nov 12, 2020Nov 19, 2020 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President and CEO
2,498$15.02$37.5K1,396,599Nov 11, 2020Nov 12, 2020 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President and CEO
2,698$15.02$40.5K1,394,672Nov 11, 2020Nov 19, 2020 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President and CEO
12,703$15.05$191.2K1,399,097Nov 10, 2020Nov 12, 2020 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President and CEO
14,430$15.05$217.2K1,397,370Nov 10, 2020Nov 19, 2020 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President and CEO
3,981$15.03$59.8K1,411,800Nov 5, 2020Nov 9, 2020 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALEGRANT
Gift
2,300——1,415,781Jun 29, 2020Nov 9, 2020 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President & CEO
9,125$15.18$138.5K1,418,081May 22, 2020May 22, 2020 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President & CEO
14,732$15.18$223.6K1,427,206May 21, 2020May 22, 2020 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President & CEO
6,143$15.04$92.4K1,441,938May 20, 2020May 22, 2020 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President & CEO
15,000$17.77$266.6K1,448,081Jan 29, 2020Jan 30, 2020 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President & CEO
14,861$17.35$257.8K1,463,220Jan 28, 2020Jan 30, 2020 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALE
President & CEO
139$17.91$2.5K1,463,081Jan 28, 2020Jan 30, 2020 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
PURCHASEGRANT
Stock grant
195,000——195,000Jan 8, 2020Jan 10, 2020 ↗View →
MGTX
MEIRAGTX HOLDINGS PLC
SALEGRANT
Gift
5,000——1,478,081Dec 24, 2019Jan 30, 2020 ↗View →
Other insiders · MGTX
Loading peer insiders…
About this filer
CIK 0001678604
ROLE
President and CEO
PRIMARY
MGTX
COMPANIES
1
ACTIVE SINCE
Dec 2019
MARKETPEEL · /INSIDER/0001678604DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
FREE · DAILY · 6 AM ET

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One short email. Insider buys, congressional trades, and plain-English analysis.

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