MANCHESTER MANAGEMENT CO LLC - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-02-17
11:17 am
Purchase
2025-12-3013GALPHA COGNITION INC NE
ACOG
MANCHESTER MANAGEMENT CO LLC1,127,181
5.100%
1,127,181increase
(New Position)
Filing
History
2026-02-17
11:09 am
Sale
2025-12-3113GEUPRAXIA PHARMACEUTICALS INC C
EPRX
MANCHESTER MANAGEMENT CO LLC4,904,523
9.200%
-935,034decrease
(-16.01%)
Filing
History
2025-12-15
5:27 pm
Sale
2025-12-1113DSANUWAVE HEALTH INC PAR $0
SNWV
MANCHESTER MANAGEMENT CO LLC929,979
10.800%
-18,000decrease
(-1.90%)
Filing
History
2025-12-10
9:58 pm
Sale
2025-12-0813DSANUWAVE HEALTH INC PAR $0
SNWV
MANCHESTER MANAGEMENT CO LLC947,979
11.100%
-146,810decrease
(-13.41%)
Filing
History
2025-11-13
12:14 pm
Purchase
2024-12-3113GEUPRAXIA PHARMACEUTICALS INC C
EPRX
MANCHESTER MANAGEMENT CO LLC5,839,557
10.900%
5,839,557increase
(New Position)
Filing
History
2025-04-07
6:20 pm
Unchanged
2025-03-3113DMODULAR MED INC
MODD
MANCHESTER MANAGEMENT CO LLC189,508
10.500%
0
(Unchanged)
Filing
History
2025-03-24
9:44 pm
Purchase
2025-03-2013DMODULAR MED INC
MODD
MANCHESTER MANAGEMENT CO LLC189,508
10.500%
37,888increase
(+24.99%)
Filing
History
2025-02-14
3:11 pm
Sale
2024-12-3113GNEUROONE MED TECHNOLOGIES CORP
NMTC
MANCHESTER MANAGEMENT CO LLC1,583,332
4.900%
-854,794decrease
(-35.06%)
Filing
History
2024-11-25
7:18 pm
Purchase
2024-11-2113DMODULAR MED INC
MODD
MANCHESTER MANAGEMENT CO LLC151,620
12.900%
5,555increase
(+3.80%)
Filing
History
2024-10-22
9:58 pm
Purchase
2024-10-1813DSANUWAVE HEALTH INC
SNWV
MANCHESTER MANAGEMENT CO LLC1,094,789
12.800%
110,445increase
(+11.22%)
Filing
History
2024-06-24
5:05 pm
Unchanged
2024-06-1813DSANUWAVE HEALTH INC
SNWV
MANCHESTER MANAGEMENT CO LLC984,344
26.500%
0
(Unchanged)
Filing
History
2024-02-21
5:20 pm
Purchase
2024-02-1613DMODULAR MED INC
MODD
MANCHESTER MANAGEMENT CO LLC146,065
14.100%
35,605increase
(+32.23%)
Filing
History
2024-02-09
10:14 am
Sale
2023-12-3113GASSURE HLDGS CORPCOM COM PAR $
IONM
MANCHESTER MANAGEMENT CO LLC3,255
0.900%
-2,114decrease
(-39.37%)
Filing
History
2024-01-12
5:18 pm
Sale
2023-01-1213DSANUWAVE HEALTH INC
SNWV
MANCHESTER MANAGEMENT CO LLC984,344
29.050%
-280,382decrease
(-22.17%)
Filing
History
2024-01-03
6:27 pm
Unchanged
2023-12-3013DSANUWAVE HEALTH INC
SNWV
MANCHESTER MANAGEMENT CO LLC1,264,726
33.860%
0
(Unchanged)
Filing
History
2023-11-22
11:32 am
Purchase
2023-11-1713DSANUWAVE HEALTH INC
SNWV
MANCHESTER MANAGEMENT CO LLC1,264,726
33.860%
943,650increase
(+293.90%)
Filing
History
2023-08-22
9:00 pm
Purchase
2023-08-1013DSANUWAVE HEALTH INC
SNWV
MANCHESTER MANAGEMENT CO LLC321,076
11.700%
19,181increase
(+6.35%)
Filing
History
2023-08-09
8:03 pm
Purchase
2023-08-0713DSANUWAVE HEALTH INC
SNWV
MANCHESTER MANAGEMENT CO LLC301,895
20.400%
95,836increase
(+46.51%)
Filing
History
2023-08-01
7:04 pm
Purchase
2023-07-2713GNEUROONE MED TECHNOLOGIES CORP
NMTC
MANCHESTER MANAGEMENT CO LLC2,438,126
9.999%
773,809increase
(+46.49%)
Filing
History
2023-07-27
09:23 am
Purchase
2023-07-2413DSANUWAVE HEALTH INC
SNWV
MANCHESTER MANAGEMENT CO LLC206,059
13.100%
95,831increase
(+86.94%)
Filing
History
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