Tompkins Mark N.

13D and 13G Filings

13D/G filings
13G on 11 securities
CIK
0001455971
All SEC filings
View on sec.gov
Issuer % of Class Filed
Margaree Acquisition Corp. 13G 75.0% 7/20/2026
Event 7/17/2026
Matternet, Inc. (f/k/a Los Altos Ventures Corp.) 13G 9.9% 6/1/2026
Event 5/22/2026
Aeluma, Inc. 13G/A Amendment 6
ALMU · 00776X109
4.8% 5/15/2026
Event 3/31/2026
Deep Isolation Nuclear, Inc. 13G/A Amendment 2 5.5% 5/15/2026
Event 3/31/2026
Deep Fission, Inc. 13G/A Amendment 2
FISN · 243927100
5.6% 5/15/2026
Event 3/31/2026
Primus Acquisition Inc. 13G 75.0% 2/17/2026
Event 12/31/2025
Range Acquisition Corp. 13G 75.0% 2/17/2026
Event 12/31/2025
Aeluma, Inc. 13G/A Amendment 5
ALMU · 00776X109
11.3% 2/17/2026
Event 12/31/2025
Var Acquisition Corp. 13G 75.0% 11/14/2025
Event 9/30/2025
Orielle Acquisition Corp. 13G 95.0% 11/14/2025
Event 9/30/2025
Los Altos Ventures Corp. 13G 75.0% 11/14/2025
Event 9/30/2025
Deep Isolation Nuclear, Inc. 13G/A Amendment 1 4.0% 11/14/2025
Event 9/30/2025
Deep Fission, Inc. 13G/A Amendment 1
FISN · 243927100
5.8% 11/14/2025
Event 9/30/2025
Aeluma, Inc. 13G/A Amendment 4
ALMU · 00776X109
16.0% 11/14/2025
Event 9/30/2025
Aeluma, Inc. 13G/A Amendment 3
ALMU · 00776X109
18.5% 4/3/2025
Event 3/27/2025
Perfect Moment Ltd. 13G/A Amendment 1
PMNT · 713715100
4.1% 2/14/2025
Event 12/31/2024
Lomond Therapeutics Holdings, Inc. 13G/A Amendment 1
54173L101
4.0% 2/14/2025
Event 12/31/2024

Includes filings since 12/18/2024, when the SEC began requiring structured 13D and 13G data.