InsiderTrades

Tompkins Mark N.

SEC CIK 1455971 · EDGAR

Buying vs selling by month open-market trades, last 46 months, all 3 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
ALMUAeluma, Inc.Former 10% Owner 1.79M $250.0K $19.83M 162022-12-222026-02-04
FISNDEEP FISSION, INC.See Remarks 1.89M — — 22025-08-262025-09-05
SERVServe Robotics Inc. /DE/Former Dir 1.69M — — 22023-07-312023-07-31

Most active insiders at ALMU, 12 months

#InsiderTitleBoughtSold
1 Tompkins Mark N.Former 10% Owner —$19.83M
2 Klamkin JonathanCEO, Dir, 10% —$4.26M
3 Denbaars StevenDir —$1.61M
4 Stewart Christopher P.CFO ——
5 Paglia John KennethDir ——
6 Byron MichaelDir ——
7 ENSLEY CRAIG HDir ——

Transactions 20

Type
Reset
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