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Charles Cherington

ERNA
DIRECTOR · ERNEXA THERAPEUTICS INC. · CIK 0001448698
FILING MIX · LIFETIME66%/34%
BUYS
31
SELLS
16
TOTAL VALUE
$13.93M
COMPANIES
2
ACTIVE SINCE
Jun 2021
HOLDINGS NOW
6,994,540
AVG SELL PX
$15.74
TRADE KIND
SHOWING 47 / 47
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
38 backtested trades · 8 horizons · 31 pending
Forward-return performance of every backtestable P/S trade by Charles Cherington, 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
7d38+47.37%-0.85%-0.48%-0.37%-1.95%-0.12
14d38+55.26%-4.10%+0.61%-4.72%-4.42%-3.80
30d38+42.11%+43.13%+1.18%+41.95%-17.31%0.62
60d38+42.11%+31.97%+3.55%+28.42%-58.22%0.38
90d38+52.63%-3.48%+4.53%-8.01%-63.36%-0.20
180d38(2 pending)+50.00%-31.26%+2.96%-34.22%-76.20%-1.26
1y38(2 pending)+47.22%+50.82%+16.92%+33.90%+50.21%2.19
2y38(27 pending)+81.82%-17.03%+36.53%-53.56%-22.09%—
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
ERNA · 6,779,440 shares · as of Feb 10, 2026
010,414,93620,829,87231,244,80741,659,7432023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY ● SELL ●
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
FLOW · 31 buys / 16 sellsCOVERAGE · 20 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
ERNA
ERNEXA THERAPEUTICS INC.
PURCHASE
4,000,000——4,000,000Feb 10, 2026Feb 17, 2026 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
PURCHASE
4,000,000$0.50$2.00M6,779,440Feb 10, 2026Feb 17, 2026 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
PURCHASE
21,241,163$0.10$2.22M41,659,743Jun 9, 2025Jun 11, 2025 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
PURCHASE
3,768,397$0.10$394.2K20,401,602Apr 2, 2025Apr 4, 2025 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
SALE
———0Oct 29, 2024Nov 4, 2024 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
PURCHASE
5,420,823——12,245,589Oct 29, 2024Nov 4, 2024 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
PURCHASE
261,756——818,221Oct 29, 2024Nov 4, 2024 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
SALE
———0Oct 29, 2024Nov 4, 2024 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
PURCHASE
1,562,988——13,808,577Oct 29, 2024Nov 4, 2024 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
SALE
———0Oct 29, 2024Nov 4, 2024 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
PURCHASE
2,819,546$0.50$1.41M16,628,123Oct 29, 2024Nov 4, 2024 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
SALE
523,512——0Oct 29, 2024Nov 4, 2024 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
SALE
2,475,524——0Oct 29, 2024Nov 4, 2024 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
PURCHASE
4,768,783——5,587,004Oct 29, 2024Nov 4, 2024 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
SALE
3,125,976——0Oct 29, 2024Nov 4, 2024 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
PURCHASE
1,237,762——6,824,766Oct 29, 2024Nov 4, 2024 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
PURCHASE
4,768,783——5,587,004Sep 24, 2024May 7, 2025 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
SALE
———0Sep 24, 2024May 7, 2025 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
SALE
———0Sep 24, 2024May 7, 2025 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
SALE
523,512——0Sep 24, 2024May 7, 2025 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
PURCHASE
5,420,823——12,245,589Sep 24, 2024May 7, 2025 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
SALE
2,475,524——0Sep 24, 2024May 7, 2025 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
PURCHASE
1,237,762——6,824,766Sep 24, 2024May 7, 2025 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
PURCHASE
261,756——818,221Sep 24, 2024May 7, 2025 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
PURCHASE
1,562,988——13,808,577Sep 24, 2024May 7, 2025 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
SALE
3,125,976——0Sep 24, 2024May 7, 2025 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
PURCHASE
—$1,368,626.00——Sep 24, 2024Nov 4, 2024 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
PURCHASE
————Sep 23, 2024Nov 4, 2024 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
PURCHASE
83,916——2,475,524Sep 23, 2024Nov 4, 2024 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
PURCHASE
83,916——2,391,608Sep 23, 2024Nov 4, 2024 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
PURCHASE
3,125,976$0.13$390.7K3,125,976Dec 14, 2023Dec 19, 2023 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
PURCHASE
—$3,000,000.00——Dec 14, 2023Dec 19, 2023 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
SALE
2,307,692——0Dec 14, 2023Dec 19, 2023 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
PURCHASE
523,512——523,512Dec 14, 2023Dec 19, 2023 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
SALE
523,512——0Dec 14, 2023Dec 19, 2023 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
PURCHASE
2,307,692——2,307,692Dec 14, 2023Dec 19, 2023 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
PURCHASE
2,307,692$0.13$288.5K2,307,692Jul 13, 2023Aug 25, 2023 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
PURCHASE
—$3,300,000.00——Jul 13, 2023Aug 25, 2023 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
PURCHASE
261,756$3.28$858.6K556,465Dec 2, 2022Dec 6, 2022 ↗View →
ERNA
ERNEXA THERAPEUTICS INC.
PURCHASE
523,512$0.13$65.4K523,512Dec 2, 2022Dec 6, 2022 ↗View →
BTX
BLACKROCK TECHNOLOGY & PRIVATE EQUITY TERM TRUST
PURCHASEGRANT
Stock grant
165,800——165,800Aug 1, 2022Aug 3, 2022 ↗View →
BTX
BLACKROCK TECHNOLOGY & PRIVATE EQUITY TERM TRUST
PURCHASEGRANT
Stock grant
215,100——215,100Aug 1, 2022Aug 3, 2022 ↗View →
BTX
BLACKROCK TECHNOLOGY & PRIVATE EQUITY TERM TRUST
PURCHASEGRANT
Stock grant
67,000——67,000Dec 8, 2021Dec 10, 2021 ↗View →
BTX
BLACKROCK TECHNOLOGY & PRIVATE EQUITY TERM TRUST
SALE
198,000$15.74$3.12M5,896,101Jun 17, 2021Jun 21, 2021 ↗View →
BTX
BLACKROCK TECHNOLOGY & PRIVATE EQUITY TERM TRUST
SALE
2,000$16.30$32.6K5,894,101Jun 17, 2021Jun 21, 2021 ↗View →
BTX
BLACKROCK TECHNOLOGY & PRIVATE EQUITY TERM TRUST
SALE
200,000$15.73$3.15M6,094,101Jun 16, 2021Jun 21, 2021 ↗View →
BTX
BLACKROCK TECHNOLOGY & PRIVATE EQUITY TERM TRUST
PURCHASE
92——5,894,193Jun 1, 2021Dec 10, 2021 ↗View →
Other insiders · ERNA
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About this filer
CIK 0001448698
ROLE
Director
PRIMARY
ERNA
COMPANIES
2
ACTIVE SINCE
Jun 2021
MARKETPEEL · /INSIDER/0001448698DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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