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EdgarHawk

Billerbeck Darin G

Director

Director

Latest: Director selling · May 2026

1 filing analyzed · 1 company · Latest 2026-05-13

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Companies

Company Buys Sells Direction
EVERSPIN TECHNOLOGIES INC. MRAM 0 2 Net selling

Activity

May 2026
low
Sell
30,000 shares
$1,114,800
Significance 3/10

Director Billerbeck exercises stock options and immediately sells entire position, netting $859K gain on same-day transaction.

Billerbeck Darin G, a director at Everspin, exercised 30,000 shares at $8.52 per share and sold the entire position the same day at $37.16, realizing a substantial gain. This exercise-and-sell pattern is a purely mechanical transaction: the director acquired shares only to immediately liquidate them, with no net change to holdings, suggesting this was a tax-efficient way to harvest gains from existing options rather than a reflection of confidence in the company's direction. The stock has surged dramatically over the past three months, rising well above its recent range, and trades well below its 52-week high—a backdrop consistent with option exercises at predetermined strike prices becoming profitable enough to exercise. The company remains unprofitable on a full-year basis, though recent quarterly results show revenue generation continuing; a board member executing and exiting options on the same trading day is typical option-plan mechanics rather than a bet on future company performance.

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