Tompkins Mark N.

SEC Form 4 insider trading activity

Tompkins Mark N. has filed 14 SEC Form 4 filings (65 transaction rows) across 1 company, with disclosures dating back to 2025. 14 of those filings fall inside the rolling window. Most recent filing: Feb 5, 2026.

On the most recent filing, Tompkins Mark N. is listed as Insider at Aeluma, Inc. Inside the rolling window, Tompkins Mark N. reported no open-market purchases and 34 open-market sales totaling $19.8M in ALMU. The largest disclosed transaction in the window is a sale of 63,604 ALMU shares on Oct 6, 2025, worth $1.2M.

Companies traded

Other insiders at ALMU

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$19.8M

reported sales (SEC code S)

Companies

1

in the rolling window

Source
ALMUSale$508KFeb 5SEC ↗
ALMUSale$547KFeb 2SEC ↗
ALMUSale$398KFeb 2SEC ↗
ALMUSale$590KFeb 2SEC ↗
ALMUSale$621KJan 22SEC ↗
ALMUSale$847KJan 22SEC ↗
ALMUSale$542KJan 22SEC ↗
ALMUSale$223KDec 29SEC ↗
ALMUSale$241KDec 29SEC ↗
ALMUSale$534KDec 29SEC ↗
ALMUSale$287KDec 22SEC ↗
ALMUSale$441KDec 22SEC ↗
ALMUSale$519KDec 22SEC ↗
ALMUSale$505KDec 11SEC ↗
ALMUSale$350KDec 11SEC ↗
ALMUSale$481KDec 9SEC ↗
ALMUSale$484KDec 9SEC ↗
ALMUSale$642KDec 9SEC ↗
ALMUSale$677KOct 21SEC ↗
ALMUSale$615KOct 21SEC ↗
ALMUSale$823KOct 17SEC ↗
ALMUSale$482KOct 17SEC ↗
ALMUSale$583KOct 14SEC ↗
ALMUSale$600KOct 14SEC ↗
ALMUSale$732KOct 14SEC ↗
Showing 1–25 of 34
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Frequently asked questions

How many SEC Form 4 filings has Tompkins Mark N. made?

Tompkins Mark N. has filed 14 SEC Form 4 filings (65 transaction rows) across 1 company since 2025.

Which companies does Tompkins Mark N. trade?

Tompkins Mark N. has filed SEC Form 4 disclosures for 1 company, including ALMU.

When was Tompkins Mark N.'s most recent SEC Form 4 filing?

Tompkins Mark N.'s most recent SEC Form 4 filing on Tracefour is dated Feb 5, 2026.

What is Tompkins Mark N.'s total buy and sell value in the current window?

Inside the rolling retention window, Tompkins Mark N. bought $0 and sold $19.8M based on SEC Form 4 filings.

What was Tompkins Mark N.'s largest disclosed transaction?

The largest disclosed transaction in the current window is a sale of 63,604 ALMU shares on 2025-10-06, worth $1.2M, per SEC Form 4 filings.