The name’s Stefan. Constantin Ionel Stefan. Chief Tech at Amprius. He moved nearly 40,000 shares last week. Not a fire sale, not exactly. More like a quiet closing of a chapter. The paperwork landed on my desk, an SEC Form 4. Always a story in those things, if you bother to read between the lines. This one smelled of calculated moves, not panic.
He pocketed around $476,351. Not enough to retire to the Riviera, but a comfortable cushion nonetheless. He still holds close to 750,000 shares. The man isn’t running scared. He’s trimming the hedges, that’s all. The market doesn’t like to see insiders selling, naturally. It prefers a narrative of unwavering faith. But faith doesn’t pay the bills.
The numbers, stripped bare: 39,690 shares sold. A recent median sell was around 32,357. A bit above average, but not a landslide. This wasn’t a desperate heave-ho; it was a measured release. The sale was tied to stock options, exercised and immediately dumped. Clean. Efficient. Like a surgeon removing a benign tumor.
The company, Amprius, plays with silicon nanowires, building batteries. Fancy stuff, aimed at aerospace, defense, and the electric vehicle crowd. High-performance, they call it. A lot of companies are chasing that dragon. The stock price had been on a tear – up 358.75% in a year. That kind of growth attracts attention, and not all of it is good. It’s a little like a spotlight on a stage – it can illuminate, but it also casts long shadows.
| Metric | Value |
|---|---|
| Market capitalization | $1.60 billion |
| Revenue (TTM) | $57.81 million |
| Net income (TTM) | ($31.78 million) |
| 1-year price change | 358.75% |
This sale wasn’t a spur-of-the-moment decision. It was executed under a pre-planned Rule 10b5-1 trading plan, adopted way back in September. Smart move. Avoids the whispers of insider trading. Executives like to have an exit strategy. Can’t blame them. The game is rigged, and everyone knows it.
Revenue is up, 173% year over year. A record $21.4 million last quarter. They’re selling batteries to the aerospace and defense sectors, riding the drone wave. Artificial intelligence needs power, and Amprius wants to be the supplier. Sounds good on paper. But growth doesn’t always translate to profit. They’re still bleeding red ink – $31.78 million in the hole.
The stock’s price-to-sales ratio is north of 25. Expensive. Very expensive. A lot of hope baked into that number. The kind of valuation that makes a man nervous. If I were holding shares, I’d be thinking about taking some chips off the table. The house always wins, eventually. A dip in the price wouldn’t surprise me. But for those looking to buy, patience might be a virtue. Let the froth settle.
Stefan’s sale isn’t a red flag, not exactly. It’s a data point. A whisper in the trading room. It tells me the man is pragmatic. He’s playing the game, and he’s playing it well. And in this town, that’s often the most you can ask for.
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2026-02-08 23:43