DEF 14A |
Open Document
| Data
|
Open Filing |
FORM DEF 14A |
Sep 29, 2025 |
Oct 31, 2025 |
000-26575 |
8-K |
Open Document
| Data
|
Open Filing |
FORM 8-K |
Sep 29, 2025 |
Sep 26, 2025 |
000-26575 |
PRE 14A |
Open Document
| Data
|
Open Filing |
FORM PRE 14A |
Sep 2, 2025 |
Oct 14, 2025 |
000-26575 |
8-K |
Open Document
| Data
|
Open Filing |
FORM 8-K |
Sep 2, 2025 |
Aug 28, 2025 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
FORM 10-Q |
Aug 13, 2025 |
Jun 30, 2025 |
000-26575 |
4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 8, 2025 |
Aug 6, 2025 |
|
4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 8, 2025 |
Aug 6, 2025 |
|
4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 8, 2025 |
Aug 6, 2025 |
|
4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 8, 2025 |
Aug 6, 2025 |
|
4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 8, 2025 |
Aug 6, 2025 |
|
8-K |
Open Document
| Data
|
Open Filing |
FORM 8-K |
Jul 31, 2025 |
Jul 25, 2025 |
000-26575 |
3 |
Open Document
|
Open Filing |
FORM 3 |
Jul 31, 2025 |
Jul 25, 2025 |
|
D |
Open Document
|
Open Filing |
|
Jul 31, 2025 |
|
021-553352 |
8-K |
Open Document
| Data
|
Open Filing |
FORM 8-K |
Jul 3, 2025 |
Jul 2, 2025 |
000-26575 |
8-K |
Open Document
| Data
|
Open Filing |
FORM 8-K |
Jun 9, 2025 |
Jun 9, 2025 |
000-26575 |
8-K |
Open Document
| Data
|
Open Filing |
FORM 8-K |
Jun 5, 2025 |
Jun 3, 2025 |
000-26575 |
8-K |
Open Document
| Data
|
Open Filing |
FORM 8-K |
May 30, 2025 |
May 29, 2025 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
FORM 10-Q |
May 15, 2025 |
Mar 31, 2025 |
000-26575 |
4 |
Open Document
|
Open Filing |
FORM 4 |
May 2, 2025 |
May 1, 2025 |
|
10-K |
Open Document
| Data
|
Open Filing |
FORM 10-K |
Apr 2, 2025 |
Dec 31, 2024 |
000-26575 |
NT 10-K |
Open Document
|
Open Filing |
FORM NT 10-K |
Mar 31, 2025 |
Dec 31, 2024 |
000-26575 |
SCHEDULE 13G |
Open Document
|
Open Filing |
|
Feb 26, 2025 |
|
005-56875 |
D/A |
Open Document
|
Open Filing |
|
Dec 5, 2024 |
|
021-502078 |
8-K |
Open Document
| Data
|
Open Filing |
FORM 8-K |
Dec 2, 2024 |
Nov 29, 2024 |
000-26575 |
4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 2, 2024 |
Nov 29, 2024 |
|
4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 2, 2024 |
Nov 29, 2024 |
|
4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 2, 2024 |
Nov 29, 2024 |
|
10-Q |
Open Document
| Data
|
Open Filing |
FORM 10-Q |
Nov 13, 2024 |
Sep 30, 2024 |
000-26575 |
4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 6, 2024 |
Nov 5, 2024 |
|
8-K |
Open Document
| Data
|
Open Filing |
FORM 8-K |
Oct 3, 2024 |
Sep 30, 2024 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
FORM 10-Q |
Aug 9, 2024 |
Jun 30, 2024 |
000-26575 |
D/A |
Open Document
|
Open Filing |
|
Jul 18, 2024 |
|
021-502078 |
8-K |
Open Document
| Data
|
Open Filing |
FORM 8-K |
Jul 12, 2024 |
Jul 10, 2024 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
May 15, 2024 |
Mar 31, 2024 |
000-26575 |
10-K/A |
Open Document
| Data
|
Open Filing |
10-K/A |
Apr 24, 2024 |
Dec 31, 2023 |
000-26575 |
10-K |
Open Document
| Data
|
Open Filing |
10-K |
Apr 5, 2024 |
Dec 31, 2023 |
000-26575 |
NT 10-K |
Open Document
|
Open Filing |
NT 10-K |
Apr 1, 2024 |
Dec 31, 2023 |
000-26575 |
D/A |
Open Document
|
Open Filing |
|
Mar 6, 2024 |
|
021-502078 |
8-K |
Open Document
| Data
|
Open Filing |
8-K |
Jan 18, 2024 |
Jan 16, 2024 |
000-26575 |
D |
Open Document
|
Open Filing |
|
Jan 10, 2024 |
|
021-502078 |
3 |
Open Document
|
Open Filing |
PRIMARY DOCUMENT |
Dec 5, 2023 |
Nov 27, 2023 |
|
SC 13D |
Open Document
|
Open Filing |
SC 13D |
Dec 5, 2023 |
|
005-56875 |
8-K |
Open Document
| Data
|
Open Filing |
FORM 8-K |
Nov 28, 2023 |
Nov 28, 2023 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Nov 14, 2023 |
Sep 30, 2023 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Aug 14, 2023 |
Jun 30, 2023 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
May 15, 2023 |
Mar 31, 2023 |
000-26575 |
3 |
Open Document
|
Open Filing |
PRIMARY DOCUMENT |
Apr 20, 2023 |
Apr 17, 2023 |
|
8-K |
Open Document
| Data
|
Open Filing |
8-K |
Apr 19, 2023 |
Apr 17, 2023 |
000-26575 |
10-K |
Open Document
| Data
|
Open Filing |
10-K |
Apr 13, 2023 |
Dec 31, 2022 |
000-26575 |
NT 10-K |
Open Document
|
Open Filing |
NT 10-K |
Apr 3, 2023 |
Dec 31, 2022 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Nov 21, 2022 |
Sep 30, 2022 |
000-26575 |
NT 10-Q |
Open Document
|
Open Filing |
NONE |
Nov 14, 2022 |
Sep 30, 2022 |
000-26575 |
4 |
Open Document
|
Open Filing |
PRIMARY DOCUMENT |
Sep 26, 2022 |
Sep 26, 2022 |
|
8-K |
Open Document
| Data
|
Open Filing |
8-K |
Sep 13, 2022 |
Sep 7, 2022 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Aug 12, 2022 |
Jun 30, 2022 |
000-26575 |
10-Q/A |
Open Document
| Data
|
Open Filing |
10-Q/A |
Aug 11, 2022 |
Mar 31, 2022 |
000-26575 |
8-K |
Open Document
| Data
|
Open Filing |
8-K |
Aug 4, 2022 |
Aug 3, 2022 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Jun 24, 2022 |
Mar 31, 2022 |
000-26575 |
10-K/A |
Open Document
| Data
|
Open Filing |
10-K/A |
Jun 24, 2022 |
Dec 31, 2021 |
000-26575 |
8-K |
Open Document
| Data
|
Open Filing |
8-K |
Jun 2, 2022 |
May 27, 2022 |
000-26575 |
NT 10-Q |
Open Document
|
Open Filing |
NONE |
May 16, 2022 |
Mar 31, 2022 |
000-26575 |
10-K |
Open Document
| Data
|
Open Filing |
10-K |
Apr 15, 2022 |
Dec 31, 2021 |
000-26575 |
NT 10-K |
Open Document
|
Open Filing |
NONE |
Mar 31, 2022 |
Dec 31, 2021 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Nov 19, 2021 |
Sep 30, 2021 |
000-26575 |
NT 10-Q |
Open Document
|
Open Filing |
NT 10-Q |
Nov 15, 2021 |
Sep 30, 2021 |
000-26575 |
8-K |
Open Document
| Data
|
Open Filing |
8-K |
Oct 6, 2021 |
Oct 1, 2021 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Aug 11, 2021 |
Jun 30, 2021 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
May 17, 2021 |
Mar 31, 2021 |
000-26575 |
10-K |
Open Document
| Data
|
Open Filing |
10-K |
Apr 7, 2021 |
Dec 31, 2020 |
000-26575 |
NT 10-K |
Open Document
|
Open Filing |
NONE |
Mar 31, 2021 |
Dec 31, 2020 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Nov 13, 2020 |
Sep 30, 2020 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Aug 14, 2020 |
Jun 30, 2020 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
May 15, 2020 |
Mar 31, 2020 |
000-26575 |
10-K |
Open Document
| Data
|
Open Filing |
10-K |
Apr 13, 2020 |
Dec 31, 2019 |
000-26575 |
NT 10-K |
Open Document
|
Open Filing |
NONE |
Mar 30, 2020 |
Dec 31, 2019 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Nov 14, 2019 |
Sep 30, 2019 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Aug 14, 2019 |
Jun 30, 2019 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
May 14, 2019 |
Mar 31, 2019 |
000-26575 |
10-K |
Open Document
| Data
|
Open Filing |
10-K |
Apr 11, 2019 |
Dec 31, 2018 |
000-26575 |
NT 10-K |
Open Document
|
Open Filing |
NONE |
Apr 1, 2019 |
Dec 31, 2018 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Nov 14, 2018 |
Sep 30, 2018 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Aug 14, 2018 |
Jun 30, 2018 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
May 15, 2018 |
Mar 31, 2018 |
000-26575 |
10-K |
Open Document
| Data
|
Open Filing |
10-K |
Apr 11, 2018 |
Dec 31, 2017 |
000-26575 |
NT 10-K |
Open Document
|
Open Filing |
NONE |
Mar 30, 2018 |
Dec 31, 2017 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Nov 17, 2017 |
Sep 30, 2017 |
000-26575 |
NT 10-Q |
Open Document
|
Open Filing |
NONE |
Nov 14, 2017 |
Sep 30, 2017 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Aug 14, 2017 |
Jun 30, 2017 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
May 15, 2017 |
Mar 31, 2017 |
000-26575 |
10-K |
Open Document
| Data
|
Open Filing |
U.S. NEUROSURGICAL HOLDINGS, INC. 10-K 12-31-2016 |
Mar 31, 2017 |
Dec 31, 2016 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
U.S. NEUROSURGICAL HOLDINGS, INC. 10-Q 9-30-2016 |
Nov 14, 2016 |
Sep 30, 2016 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
U.S. NEUROSURGICAL HOLDINGS, INC. 10-Q 6-30-2016 |
Aug 12, 2016 |
Jun 30, 2016 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
U.S. NEUROSURGICAL HOLDINGS, INC. 10-Q 3-31-2016 |
May 12, 2016 |
Mar 31, 2016 |
000-26575 |
10-K |
Open Document
| Data
|
Open Filing |
U.S. NEUROSURGICAL HOLDINGS, INC. 10-K 12-31-2015 |
Mar 30, 2016 |
Dec 31, 2015 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
U.S. NEUROSURGICAL HOLDINGS, INC 10-Q 9-30-2015 |
Nov 16, 2015 |
Sep 30, 2015 |
000-26575 |
8-K12G3 |
Open Document
|
Open Filing |
U.S. NEUROSURGICAL HOLDINGS, INC. 8-K12G3 9-3-2015 |
Sep 3, 2015 |
Sep 3, 2015 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
U.S. NEUROSURGICAL, INC. 10-Q 6-30-2015 |
Aug 14, 2015 |
Jun 30, 2015 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
U.S. NEUROSURGICAL, INC. 10-Q 3-31-2015 |
May 15, 2015 |
Mar 31, 2015 |
000-26575 |
8-K |
Open Document
|
Open Filing |
U.S. NEUROSURGICAL, INC 8-K 3-27-2015 |
Mar 31, 2015 |
Mar 27, 2015 |
000-26575 |
10-K |
Open Document
| Data
|
Open Filing |
US NEUROSURGICAL INC 10-K 12-31-2014 |
Mar 31, 2015 |
Dec 31, 2014 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
US NEUROSURGICAL INC 10-Q 9-30-2014 |
Nov 13, 2014 |
Sep 30, 2014 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
US NEUROSURGICAL INC 10-Q 6-30-2014 |
Aug 14, 2014 |
Jun 30, 2014 |
000-26575 |
10-Q |
Open Document
| Data
|
Open Filing |
US NEUROSURGICAL INC 10-Q 3-31-2014 |
May 15, 2014 |
Mar 31, 2014 |
000-26575 |
10-K |
Open Document
| Data
|
Open Filing |
U.S. NEUROSURGICAL, INC 10-K 12-31-2013 |
Apr 14, 2014 |
Dec 31, 2013 |
000-26575 |
NT 10-K |
Open Document
|
Open Filing |
NONE |
Mar 28, 2014 |
Dec 31, 2013 |
000-26575 |
8-K |
Open Document
|
Open Filing |
U.S. NEUROSURGICAL, INC. 8-K 2-7-2014 |
Feb 7, 2014 |
Feb 7, 2014 |
000-26575 |