Insider · CIK 0001455971
Mark N. Tompkins
otherownerdirector
Files at ALMU (Aeluma, Inc.), Lomond Therapeutics Holdings, Inc., DBHL (Deep Isolation Nuclear, Inc.), FISN (DEEP FISSION, INC.), Orielle Acquisition Corp.. First filing Jul 18, 2025, latest Dec 29, 2025.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 13
$0 bought, $15M sold
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
ALMU: Aeluma, Inc.
ALMUOct 9, 2026 · close 11.40
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 37Weak | ALMUsell Aeluma, Inc. | $997k 60,000 shares | -3% | +152% from low-38% from high | |
| 37Weak | ALMUsell Aeluma, Inc. | $1.2M 85,000 shares | -4% | +143% from low-40% from high | |
| 35Weak | ALMUsell Aeluma, Inc. | $854k 50,000 shares | -2% | +372% from low-29% from high | |
| 37Weak | ALMUsell Aeluma, Inc. | $1.6M 100,000 shares | -4% | +354% from low-32% from high | |
| 37Weak | ALMUsell Aeluma, Inc. | $1.3M 77,500 shares | -3% | +544% from low-31% from high | |
| 37Weak | ALMUsell Aeluma, Inc. | $1.3M 65,000 shares | -3% | +725% from low-11% from high | |
| 37Weak | ALMUsell Aeluma, Inc. | $1.9M 107,186 shares | -4% | +519% from low-33% from high | |
| 37Weak | ALMUsell Aeluma, Inc. | $1.8M 106,908 shares | -4% | +577% from low-27% from high | |
| 37Weak | ALMUsell Aeluma, Inc. | $2.3M 129,751 shares | -5% | +550% from low-30% from high | |
| 37Weak | ALMUsell Aeluma, Inc. | $1.8M 109,080 shares | -4% | +559% from low-29% from high | |
| 15Weak | -sell Orielle Acquisition Corp. | $5 50,000 shares | -1% | - | |
| 15Weak | FISNsell DEEP FISSION, INC. | $3 25,000 shares | -1% | - | |
| 15Weak | DBHLsell Deep Isolation Nuclear, Inc. | $3 25,000 shares | -1% | - |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Dec 23, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -15,000 | $14.87 | $223k | 2,069,988 | Dec 29, 2025 |
| Dec 24, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -15,000 | $16.05 | $241k | 2,054,988 | Dec 29, 2025 |
| Dec 26, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -6,970 | $16.91 | $118k | 2,048,018 | Dec 29, 2025 |
| Dec 26, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -20,368 | $18.01 | $367k | 2,027,650 | Dec 29, 2025 |
| Dec 26, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -2,662 | $18.39 | $49k | 2,024,988 | Dec 29, 2025 |
| Dec 18, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -20,000 | $14.37 | $287k | 2,149,988 | Dec 22, 2025 |
| Dec 19, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -30,000 | $14.70 | $441k | 2,119,988 | Dec 22, 2025 |
| Dec 22, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -35,000 | $14.83 | $519k | 2,084,988 | Dec 22, 2025 |
| Dec 9, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -10,861 | $16.39 | $178k | 2,209,127 | Dec 11, 2025 |
| Dec 9, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -19,139 | $17.06 | $327k | 2,189,988 | Dec 11, 2025 |
| Dec 10, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -20,000 | $17.49 | $350k | 2,169,988 | Dec 11, 2025 |
| Dec 4, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -11,500 | $15.49 | $178k | 2,308,488 | Dec 9, 2025 |
| Dec 4, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -18,500 | $16.37 | $303k | 2,289,988 | Dec 9, 2025 |
| Dec 5, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -28,390 | $16.12 | $458k | 2,261,598 | Dec 9, 2025 |
| Dec 5, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -1,610 | $16.49 | $27k | 2,259,988 | Dec 9, 2025 |
| Dec 8, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -39,012 | $16.04 | $626k | 2,220,976 | Dec 9, 2025 |
| Dec 8, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -988 | $16.87 | $17k | 2,219,988 | Dec 9, 2025 |
| Oct 17, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -33,344 | $16.75 | $559k | 2,364,144 | Oct 21, 2025 |
| Oct 17, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -5,913 | $17.77 | $105k | 2,358,231 | Oct 21, 2025 |
| Oct 17, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -743 | $18.45 | $14k | 2,357,488 | Oct 21, 2025 |
| Oct 20, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -37,500 | $16.39 | $615k | 2,319,988 | Oct 21, 2025 |
| Oct 15, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -24,147 | $20.11 | $486k | 2,438,341 | Oct 17, 2025 |
| Oct 15, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -15,853 | $21.31 | $338k | 2,422,488 | Oct 17, 2025 |
| Oct 16, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -17,540 | $18.97 | $333k | 2,404,948 | Oct 17, 2025 |
| Oct 16, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -6,650 | $19.96 | $133k | 2,398,298 | Oct 17, 2025 |
| Oct 16, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -810 | $20.72 | $17k | 2,397,488 | Oct 17, 2025 |
| Oct 10, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -30,587 | $16.60 | $508k | 2,539,087 | Oct 14, 2025 |
| Oct 10, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -4,413 | $17.16 | $76k | 2,534,674 | Oct 14, 2025 |
| Oct 13, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -35,031 | $16.97 | $594k | 2,499,643 | Oct 14, 2025 |
| Oct 13, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -300 | $17.57 | $5,271 | 2,499,343 | Oct 14, 2025 |
| Oct 14, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -36,855 | $19.86 | $732k | 2,462,488 | Oct 14, 2025 |
| Oct 7, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -26,693 | $17.46 | $466k | 2,649,889 | Oct 9, 2025 |
| Oct 7, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -7,907 | $18.66 | $148k | 2,641,982 | Oct 9, 2025 |
| Oct 7, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -400 | $19.16 | $7,664 | 2,641,582 | Oct 9, 2025 |
| Oct 8, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -34,300 | $17.46 | $599k | 2,607,282 | Oct 9, 2025 |
| Oct 8, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -700 | $18.14 | $13k | 2,606,582 | Oct 9, 2025 |
| Oct 9, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -35,908 | $16.54 | $594k | 2,570,674 | Oct 9, 2025 |
| Oct 9, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -1,000 | $17.25 | $17k | 2,569,674 | Oct 9, 2025 |
| Oct 2, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -34,880 | $17.10 | $596k | 2,771,453 | Oct 6, 2025 |
| Oct 2, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -120 | $17.58 | $2,110 | 2,771,333 | Oct 6, 2025 |
| Oct 3, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -18,189 | $17.30 | $315k | 2,753,144 | Oct 6, 2025 |
| Oct 3, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -12,958 | $17.94 | $232k | 2,740,186 | Oct 6, 2025 |
| Oct 6, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -63,604 | $18.70 | $1.2M | 2,676,582 | Oct 6, 2025 |
| Sep 29, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -23,382 | $17.52 | $410k | 2,892,451 | Oct 2, 2025 |
| Sep 29, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -1,618 | $18.36 | $30k | 2,890,833 | Oct 2, 2025 |
| Sep 30, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -33,380 | $16.18 | $540k | 2,857,033 | Oct 2, 2025 |
| Sep 30, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -200 | $17.54 | $3,508 | 2,856,833 | Oct 2, 2025 |
| Oct 1, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -9,133 | $16.39 | $150k | 2,847,700 | Oct 2, 2025 |
| Oct 1, 2025 | ALMU Aeluma, Inc. | SOpen-market sale Common Stock | -41,367 | $16.97 | $702k | 2,806,333 | Oct 2, 2025 |
| Sep 5, 2025 | FISN DEEP FISSION, INC. | JOther Common Stock | -2,833,333 | $0.00 | $0 | 1,891,667 | Sep 8, 2025 |
| Aug 26, 2025 | - Orielle Acquisition Corp. | SOpen-market sale Common Stock | -50,000 | $0.00 | $5 | 4,700,000 | Aug 28, 2025 |
| Aug 26, 2025 | FISN DEEP FISSION, INC. | SOpen-market sale Common Stock | -25,000 | $0.00 | $3 | 4,725,000 | Aug 28, 2025 |
| Jul 23, 2025 | DBHL Deep Isolation Nuclear, Inc. | JOther Common Stock | -2,833,333 | $0.00 | $0 | 1,891,667 | Jul 25, 2025 |
| Jul 16, 2025 | DBHL Deep Isolation Nuclear, Inc. | SOpen-market sale Common Stock | -25,000 | $0.00 | $3 | 4,725,000 | Jul 18, 2025 |
| Mar 27, 2025 | ALMU Aeluma, Inc. | CConversion Common Stock | +200,000 | $3.50 | $700k | 2,915,833 | Mar 31, 2025 |
| Mar 27, 2025 | ALMU Aeluma, Inc. | CConversion Convertible Promissory Notederivative | - | $3.50 | - | 0 | Mar 31, 2025 |
| Nov 1, 2024 | - Lomond Therapeutics Holdings, Inc. | JOther Common Stock | -3,550,000 | $0.00 | $0 | 1,200,000 | Nov 5, 2024 |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.