Tompkins Mark N.
SEC CIK 1455971 · EDGAR
BoughtSold
Most active insiders at ALMU, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Tompkins Mark N. | Former 10% Owner | — | $19.83M |
| 2 | Klamkin Jonathan | CEO, Dir, 10% | — | $4.26M |
| 3 | Denbaars Steven | Dir | — | $1.61M |
| 4 | Stewart Christopher P. | CFO | — | — |
| 5 | Paglia John Kenneth | Dir | — | — |
| 6 | Byron Michael | Dir | — | — |
| 7 | ENSLEY CRAIG H | Dir | — | — |
Transactions 20
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 2026-02-05 | 2026-02-04 | ALMU | Aeluma, Inc. | Tompkins Mark N. | Former 10% Owner | S - Sale | $14.71 | -34.5K | 1.79M | -2% | -$507.7K |
| M | 2026-02-02 | 2026-01-29+ | ALMU | Aeluma, Inc. | Tompkins Mark N. | 10% | S - Sale | $16.15 | -95.0K | 1.82M | -5% | -$1.53M |
| M | 2026-01-22 | 2026-01-20+ | ALMU | Aeluma, Inc. | Tompkins Mark N. | 10% | S - Sale | $19.14 | -105.0K | 1.95M | -5% | -$2.01M |
| M | 2025-12-29 | 2025-12-23+ | ALMU | Aeluma, Inc. | Tompkins Mark N. | 10% | S - Sale | $16.62 | -60.0K | 2.07M | -3% | -$997.4K |
| M | 2025-12-22 | 2025-12-18+ | ALMU | Aeluma, Inc. | Tompkins Mark N. | 10% | S - Sale | $14.68 | -85.0K | 2.08M | -4% | -$1.25M |
| M | 2025-12-11 | 2025-12-09+ | ALMU | Aeluma, Inc. | Tompkins Mark N. | 10% | S - Sale | $17.09 | -50.0K | 2.17M | -2% | -$854.3K |
| M | 2025-12-09 | 2025-12-04+ | ALMU | Aeluma, Inc. | Tompkins Mark N. | 10% | S - Sale | $16.08 | -100.0K | 2.22M | -4% | -$1.61M |
| M | 2025-10-21 | 2025-10-17+ | ALMU | Aeluma, Inc. | Tompkins Mark N. | 10% | S - Sale | $16.67 | -77.5K | 2.32M | -3% | -$1.29M |
| M | 2025-10-17 | 2025-10-15+ | ALMU | Aeluma, Inc. | Tompkins Mark N. | 10% | S - Sale | $20.09 | -65.0K | 2.40M | -3% | -$1.31M |
| M | 2025-10-14 | 2025-10-10+ | ALMU | Aeluma, Inc. | Tompkins Mark N. | 10% | S - Sale | $17.87 | -107.2K | 2.54M | -4% | -$1.92M |
| M | 2025-10-09 | 2025-10-07+ | ALMU | Aeluma, Inc. | Tompkins Mark N. | 10% | S - Sale | $17.25 | -106.9K | 2.64M | -4% | -$1.84M |
| M | 2025-10-06 | 2025-10-02+ | ALMU | Aeluma, Inc. | Tompkins Mark N. | 10% | S - Sale | $18.00 | -129.8K | 2.74M | -5% | -$2.34M |
| A | 2025-10-06 | 2025-09-30 | ALMU | Aeluma, Inc. | Tompkins Mark N. | 10% | S - Sale | $16.18 | -33.8K | 2.86M | -1% | -$546.9K |
| M | 2025-10-02 | 2025-09-29+ | ALMU | Aeluma, Inc. | Tompkins Mark N. | 10% | S - Sale | $16.82 | -109.1K | 2.85M | -4% | -$1.83M |
| 2025-09-08 | 2025-09-05 | FISN | DEEP FISSION, INC. | Tompkins Mark N. | See Remarks | J - Other | $0.00 | -2.83M | 1.89M | -60% | $0 | |
| 2025-08-28 | 2025-08-26 | FISN | DEEP FISSION, INC. | Tompkins Mark N. | Dir, 10% | S - Sale | $0.00 | -25.0K | 4.72M | -0.5% | $0 | |
| D | 2025-03-31 | 2025-03-27 | ALMU | Aeluma, Inc. | Tompkins Mark N. | 10% | C - Cnv Deriv | $3.50 | +200.0K | 2.92M | +7% | +$700.0K |
| D | 2023-08-02 | 2023-07-31 | SERV | Serve Robotics Inc. /DE/ | Tompkins Mark N. | Former Dir | J - Other | $0.00 | -3.38M | 1.69M | -67% | $0 |
| D | 2023-08-02 | 2023-07-31 | SERV | Serve Robotics Inc. /DE/ | Tompkins Mark N. | Former Dir | C - Cnv Deriv | — | +312.5K | 5.06M | +7% | — |
| 2023-01-13 | 2022-12-22 | ALMU | Aeluma, Inc. | Tompkins Mark N. | 10% | P - Purchase | $3.00 | +83.3K | 2.72M | +3% | +$250.0K |
Purchase Sale Sale after option exercise All abbreviations