Mark N. Tompkins Insider Trading Activity

Corporate InsiderOther · CIK 1455971

64

Total trades

$19.3M

Total volume

Feb 4, 2026

Last activity

ALMU

Aeluma, Inc.

Mark N. Tompkins has been net-selling over the last 12 months with 0 purchases and 64 sales across 1 company.

ALMU is the most-traded position with 64 trades. The largest single transaction was a sale of ALMU for $1.2M on Oct 6, 2025.

Performance Scorecard

Forward stock performance after each transaction by Mark N. Tompkins. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.

PERIODAVG BUY RETURNAVG SELL AVOIDEDSUCCESS RATETRADES
30 days—+5.3%69%64
90 days—-7.3%41%64
120 days—-1.2%61%64

Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.

Price & Trades

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ALMU · Aeluma, Inc.

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Recent Trades

Showing the 50 most recent of 64 disclosed trades.

DATETICKERTYPESHARESPRICEVALUEROLE
Feb 4, 2026ALMUSell5,956$15.12$90KOther
Feb 4, 2026ALMUSell28,544$14.63$418KOther
Feb 2, 2026ALMUSell37,500$15.74$590K10%+ Owner
Jan 30, 2026ALMUSell24,092$15.88$383K10%+ Owner
Jan 30, 2026ALMUSell908$16.79$15K10%+ Owner
Jan 29, 2026ALMUSell27,297$16.75$457K10%+ Owner
Jan 29, 2026ALMUSell5,203$17.16$89K10%+ Owner
Jan 22, 2026ALMUSell962$18.81$18K10%+ Owner
Jan 22, 2026ALMUSell29,038$18.05$524K10%+ Owner
Jan 21, 2026ALMUSell30,328$18.52$562K10%+ Owner
Jan 21, 2026ALMUSell12,947$19.30$250K10%+ Owner
Jan 21, 2026ALMUSell1,715$20.44$35K10%+ Owner
Jan 21, 2026ALMUSell10$21.24$212.410%+ Owner
Jan 20, 2026ALMUSell29,112$20.66$601K10%+ Owner
Jan 20, 2026ALMUSell888$21.58$19K10%+ Owner
Dec 26, 2025ALMUSell6,970$16.91$118K10%+ Owner
Dec 26, 2025ALMUSell20,368$18.01$367K10%+ Owner
Dec 26, 2025ALMUSell2,662$18.39$49K10%+ Owner
Dec 24, 2025ALMUSell15,000$16.05$241K10%+ Owner
Dec 23, 2025ALMUSell15,000$14.87$223K10%+ Owner
Dec 22, 2025ALMUSell35,000$14.83$519K10%+ Owner
Dec 19, 2025ALMUSell30,000$14.70$441K10%+ Owner
Dec 18, 2025ALMUSell20,000$14.37$287K10%+ Owner
Dec 10, 2025ALMUSell20,000$17.49$350K10%+ Owner
Dec 9, 2025ALMUSell10,861$16.39$178K10%+ Owner
Dec 9, 2025ALMUSell19,139$17.06$327K10%+ Owner
Dec 8, 2025ALMUSell988$16.87$17K10%+ Owner
Dec 8, 2025ALMUSell39,012$16.04$626K10%+ Owner
Dec 5, 2025ALMUSell28,390$16.12$458K10%+ Owner
Dec 5, 2025ALMUSell1,610$16.49$27K10%+ Owner
Dec 4, 2025ALMUSell11,500$15.49$178K10%+ Owner
Dec 4, 2025ALMUSell18,500$16.37$303K10%+ Owner
Oct 20, 2025ALMUSell37,500$16.39$615K10%+ Owner
Oct 17, 2025ALMUSell33,344$16.75$559K10%+ Owner
Oct 17, 2025ALMUSell5,913$17.77$105K10%+ Owner
Oct 17, 2025ALMUSell743$18.45$14K10%+ Owner
Oct 16, 2025ALMUSell17,540$18.97$333K10%+ Owner
Oct 16, 2025ALMUSell6,650$19.96$133K10%+ Owner
Oct 16, 2025ALMUSell810$20.72$17K10%+ Owner
Oct 15, 2025ALMUSell24,147$20.11$486K10%+ Owner
Oct 15, 2025ALMUSell15,853$21.31$338K10%+ Owner
Oct 14, 2025ALMUSell36,855$19.86$732K10%+ Owner
Oct 13, 2025ALMUSell35,031$16.97$594K10%+ Owner
Oct 13, 2025ALMUSell300$17.57$5K10%+ Owner
Oct 10, 2025ALMUSell4,413$17.16$76K10%+ Owner
Oct 10, 2025ALMUSell30,587$16.60$508K10%+ Owner
Oct 9, 2025ALMUSell1,000$17.25$17K10%+ Owner
Oct 9, 2025ALMUSell35,908$16.54$594K10%+ Owner
Oct 8, 2025ALMUSell700$18.14$13K10%+ Owner
Oct 8, 2025ALMUSell34,300$17.46$599K10%+ Owner

Top Companies Traded

TICKERCOMPANYTRADESTOTAL VOLUME
ALMUAeluma, Inc.64$19.3M

Other insiders at Aeluma, Inc.

2 other tracked filers at ALMU.

Klamkin Jonathan

CEO

12

Trades

Denbaars Steven

Director

6

Trades