Skip to contentTompkins Mark N. — Aeluma, Inc. insider: 166 transactions · InsiderLensTompkins Mark N.
- Former Director at ABRAMS INDUSTRIES INC · on record since Aug 2, 2023
- Former Director at Venetian-1 Acquisition Corp. · on record since Nov 5, 2024
- Director at Var Acquisition Corp. · on record since Sep 30, 2025
- 10% owner at Var Acquisition Corp. · on record since Sep 30, 2025
- Director at Matternet, Inc. · on record since Sep 30, 2025
- 10% owner at Matternet, Inc. · on record since Sep 30, 2025
- Director at Orielle Acquisition Corp. · on record since Aug 28, 2025
- 10% owner at Orielle Acquisition Corp. · on record since Aug 28, 2025
- See Remarks at Deep Isolation Nuclear, Inc. · on record since Jul 25, 2025
- See Remarks at DEEP FISSION, INC. · on record since Sep 8, 2025
- Director at Range Acquisition Corp. · on record since Dec 1, 2025
- 10% owner at Range Acquisition Corp. · on record since Dec 1, 2025
- Director at Primus Acquisition Inc. · on record since Jan 26, 2026
- 10% owner at Primus Acquisition Inc. · on record since Jan 26, 2026
- Former 10% Owner at Aeluma, Inc. · on record since Feb 5, 2026
- Director at Max-1 Acquisition Corp · on record since May 22, 2017
- 10% owner at Max-1 Acquisition Corp · on record since May 22, 2017
- See Remarks at Matternet, Inc. · on record since May 27, 2026
- 10% owner at Aktis Oncology, Inc. · on record since Mar 13, 2017
- Former Director and 10% Owner at Max-1 Acquisition Corp · on record since Sep 28, 2017
- Director at Amesite Inc. · on record since May 1, 2018
- 10% owner at Amesite Inc. · on record since May 1, 2018
- Director at COMPEX TECHNOLOGIES INC · on record since Jul 30, 2018
- 10% owner at COMPEX TECHNOLOGIES INC · on record since Jul 30, 2018
- Director at Peninsula Acquisition Corp · on record since Sep 28, 2018
- 10% owner at Peninsula Acquisition Corp · on record since Sep 28, 2018
- Director at Malo Holdings Corp · on record since May 13, 2019
- 10% owner at Malo Holdings Corp · on record since May 13, 2019
- Former Director and 10% Owner at Peninsula Acquisition Corp · on record since Feb 14, 2020
- 10% owner at Stem Cell Therapy International, Inc. · on record since Sep 29, 2020
- Director at Parasol Investments Corp · on record since Oct 28, 2020
- 10% owner at Parasol Investments Corp · on record since Oct 28, 2020
- Former Director and 10% Owner at Malo Holdings Corp · on record since Oct 7, 2020
- Director at Aeluma, Inc. · on record since Dec 1, 2020
- 10% owner at Aeluma, Inc. · on record since Dec 1, 2020
- Former Director and 10% Owner at Parasol Investments Corp · on record since Feb 25, 2021
- Director at ABRAMS INDUSTRIES INC · on record since Jul 26, 2021
- 10% owner at ABRAMS INDUSTRIES INC · on record since Jul 26, 2021
- Director at Guerrilla RF, Inc. · on record since Jul 14, 2021
- 10% owner at Guerrilla RF, Inc. · on record since Jul 14, 2021
- Former Director at Guerrilla RF, Inc. · on record since Oct 25, 2021
- Director at Venetian-1 Acquisition Corp. · on record since Feb 10, 2022
- 10% owner at Venetian-1 Acquisition Corp. · on record since Feb 10, 2022
- Director at DEEP FISSION, INC. · on record since Apr 20, 2022
- 10% owner at DEEP FISSION, INC. · on record since Apr 20, 2022
- Director at Deep Isolation Nuclear, Inc. · on record since Apr 20, 2022
- 10% owner at Deep Isolation Nuclear, Inc. · on record since Apr 20, 2022
Insider trading activity of Tompkins Mark N.
- Transactions on record
- 166
- since Jun 19, 2017
- Open-market buys
- 8
- $2.2M
- Open-market sells
- 136
- $23.9M
- Companies traded
- 15
- last filing May 27, 2026
Figures computed from official regulatory filings — methodology.
Companies where Tompkins Mark N. has traded
- Matternet, Inc.1 tx · May 27, 2026
- Aeluma, Inc.72 tx · $21.5M · Feb 5, 2026
- DEEP FISSION, INC.2 tx · Sep 8, 2025
- Orielle Acquisition Corp.1 tx · Aug 28, 2025
- Deep Isolation Nuclear, Inc.2 tx · Jul 25, 2025
- Venetian-1 Acquisition Corp.1 tx · Nov 5, 2024
- ABRAMS INDUSTRIES INC3 tx · Aug 2, 2023
- Guerrilla RF, Inc.3 tx · $500K · Nov 16, 2021
- Stem Cell Therapy International, Inc.41 tx · $2.7M · Jun 2, 2021
Track record of Tompkins Mark N.
Statistical track record
Free- Open-market buys
- 8
- Last buy
- Dec 22, 2022
Win rates and median returns are available with a free account (5 insiders/month).
Create a free account→Transaction history of Tompkins Mark N.
Co-insiders of Tompkins Mark N.
This page republishes public regulatory disclosures. Concerned by this data? Exercise your right to object →
1 tx · Feb 25, 2021
GORDON CARL LCOMPEX TECHNOLOGIES INC +1
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| May 27, 2026 | Other | -5,125,000 | 0.00 USD | $0 | SEC |
| Feb 5, 2026 | Sell | -28,544 | 14.63 USD | $417.6K | SEC |
| Feb 5, 2026 | Sell | -5,956 | 15.12 USD | $90.1K | SEC |
| Feb 2, 2026 | Sell | -37,500 | 15.74 USD | $590.3K | SEC |
| Feb 2, 2026 | Sell | -908 | 16.79 USD | $15.2K | SEC |
| Feb 2, 2026 | Sell | -27,297 | 16.75 USD | $457.2K | SEC |
| Feb 2, 2026 | Sell | -5,203 | 17.16 USD | $89.3K | SEC |
| Feb 2, 2026 | Sell | -24,092 | 15.88 USD | $382.6K | SEC |
| Jan 22, 2026 | Sell | -1,715 | 20.44 USD | $35.1K | SEC |
| Jan 22, 2026 | Sell | -30,328 | 18.52 USD | $561.7K | SEC |
| Jan 22, 2026 | Sell | -962 | 18.81 USD | $18.1K | SEC |
| Jan 22, 2026 | Sell | -888 | 21.58 USD | $19.2K | SEC |
| Jan 22, 2026 | Sell | -10 | 21.24 USD | $212.4 | SEC |
| Jan 22, 2026 | Sell | -29,038 | 18.05 USD | $524.1K | SEC |
| Jan 22, 2026 | Sell | -29,112 | 20.66 USD | $601.5K | SEC |
| Jan 22, 2026 | Sell | -12,947 | 19.30 USD | $249.9K | SEC |
| Dec 29, 2025 | Sell | -15,000 | 16.05 USD | $240.8K | SEC |
| Dec 29, 2025 | Sell | -2,662 | 18.39 USD | $49K | SEC |
| Dec 29, 2025 | Sell | -15,000 | 14.87 USD | $223.1K | SEC |
| Dec 29, 2025 | Sell | -6,970 | 16.91 USD | $117.9K | SEC |
| Dec 29, 2025 | Sell | -20,368 | 18.01 USD | $366.8K | SEC |
| Dec 22, 2025 | Sell | -35,000 | 14.83 USD | $519.1K | SEC |
| Dec 22, 2025 | Sell | -20,000 | 14.37 USD | $287.4K | SEC |
| Dec 22, 2025 | Sell | -30,000 | 14.70 USD | $441K | SEC |
| Dec 11, 2025 | Sell | -19,139 | 17.06 USD | $326.5K | SEC |