Companies: 10,795·Total market cap: $144.5T
Aeluma, Inc.

Aeluma, Inc.

ALMUNASDAQTechnology● Active
$24.49
+$1.90(+8.41%)
Market Cap$347035129
P/E Ratio
52W High$31.79
52W Low$10.2

Aeluma, Inc. (ALMU) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · ALMU · as of Jun 9, 2026

Activity summary

Buy transactions

0

P-Purchase only

Sell transactions

77

12 Months

Buy/Sell ratio

0.00

Buy/Sell (by trades)

Overall sentiment

BEARISH
↑ Buy 0%Active transactions only · RSU vesting excluded100% Sell ↓

Aeluma, Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 9, 2026

ALMU insider buying and selling by quarter

ALMU insider selling · ALMU insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling
2.3M1.2M0
2025 Q3
2025 Q4
2026 Q1
2026 Q2

Mobile shows last 4Q · Desktop shows full 8Q

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 9, 2026

Active insiders

Most active in past 12 months · ALMU ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

ALMU executive sell shares · ALMU board member insider trading · ALMU insider trading SEC filing

Showing 92 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Denbaars Steven

Director

Sale

Date

May 19

Shares

7,415

Price

$19.56

Value

$145K

View Form 4 on SEC.gov

Denbaars Steven

Director

Sale

Date

May 19

Shares

5,085

Price

$20.61

Value

$105K

View Form 4 on SEC.gov

Denbaars Steven

Director

Sale

Date

May 20

Shares

11,558

Price

$20.40

Value

$236K

View Form 4 on SEC.gov

Denbaars Steven

Director

Sale

Date

May 20

Shares

942

Price

$21.30

Value

$20K

View Form 4 on SEC.gov

Klamkin Jonathan

CEO · Director

Gift

Date

Dec 29

Shares

1,126,995

Price

Value

View Form 4 on SEC.gov

Klamkin Jonathan

CEO · Director

Gift

Date

Mar 4

Shares

50,000

Price

Value

View Form 4 on SEC.gov

Klamkin Jonathan

CEO · Director

Gift

Date

Apr 1

Shares

20,000

Price

Value

View Form 4 on SEC.gov

Klamkin Jonathan

CEO · Director

Gift

Date

May 1

Shares

20,000

Price

Value

View Form 4 on SEC.gov

Klamkin Jonathan

CEO · Director

Gift

Date

Dec 19

Shares

350,000

Price

Value

View Form 4 on SEC.gov

Klamkin Jonathan

CEO · Director

Gift

Date

Dec 19

Shares

350,000

Price

Value

View Form 4 on SEC.gov

Klamkin Jonathan

CEO · Director

Gift

Date

Mar 4

Shares

50,000

Price

Value

View Form 4 on SEC.gov

Klamkin Jonathan

CEO · Director

Gift

Date

May 1

Shares

20,000

Price

Value

View Form 4 on SEC.gov

Klamkin Jonathan

CEO · Director

Sale

Date

May 1

Shares

4,300

Price

$24.20

Value

$104K

View Form 4 on SEC.gov

Klamkin Jonathan

CEO · Director

Sale

Date

May 1

Shares

15,024

Price

$25.15

Value

$378K

View Form 4 on SEC.gov

Klamkin Jonathan

CEO · Director

Sale

Date

May 1

Shares

676

Price

$25.71

Value

$17K

View Form 4 on SEC.gov

Klamkin Jonathan

CEO · Director

Gift

Date

Dec 29

Shares

1,126,995

Price

Value

View Form 4 on SEC.gov

Klamkin Jonathan

CEO · Director

Sale

Date

Apr 1

Shares

20,000

Price

$13.10

Value

$262K

View Form 4 on SEC.gov

Klamkin Jonathan

CEO · Director

Sale

Date

Mar 4

Shares

28,206

Price

$17.77

Value

$501K

View Form 4 on SEC.gov

Klamkin Jonathan

CEO · Director

Sale

Date

Mar 4

Shares

21,794

Price

$18.41

Value

$401K

View Form 4 on SEC.gov

ENSLEY CRAIG H

Director

Award

Date

Dec 3

Shares

10,633

Price

Value

View Form 4 on SEC.gov

Paglia John Kenneth

Director

Award

Date

Dec 3

Shares

10,861

Price

Value

View Form 4 on SEC.gov

Byron Michael

Director

Award

Date

Dec 3

Shares

13,343

Price

Value

View Form 4 on SEC.gov

Denbaars Steven

Director

Award

Date

Dec 3

Shares

10,121

Price

Value

View Form 4 on SEC.gov

Denbaars Steven

Director

Sale

Date

Feb 25

Shares

12,500

Price

$17.58

Value

$220K

View Form 4 on SEC.gov

Denbaars Steven

Director

Sale

Date

Feb 26

Shares

12,500

Price

$15.85

Value

$198K

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 4

Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About ALMU insider trading

ALMU insider trades

Aeluma, Inc. (ALMU) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Tompkins Mark N. (10% Owner), Klamkin Jonathan (CEO · Director), Denbaars Steven (Director). Over the past 12 months, 5 insiders have filed transactions with the SEC. ALMU insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Aeluma, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic
acquisitionOrDisposition field:
A = Acquisition (buy) · D = Disposition (sell)
RSU vesting (M-Exempt) excluded from sentiment
Form 4SEC filing required within 2 business days of any insider transaction
10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot
Open MktDirect purchase or sale on the open market (excludes awards, options)

Frequently asked questions

ALMU insider trading · 5 questions

The insiders of Aeluma, Inc. (ALMU) include executives and directors such as Tompkins Mark N. (10% Owner), Klamkin Jonathan (CEO · Director), Denbaars Steven (Director), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

ALMU board member insider tradingwho are ALMU insidersALMU insider rosterAeluma, Inc. executives insider activity

Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 9, 2026