Alphatec Director David Demski Buys $408,600 of Stock

The purchase was made at $6.81 per share, leaving him with 491,635 shares directly after the trades.

By Zintick Team · Editor: Kratik Mehta
Published Nov. 2, 2026, 8:15 p.m. ET

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Key points

Director David M. Demski bought 60,000 shares at $6.81, totaling $408,600
Demski holds 491,635 shares directly after the purchase
Purchase made under a pre-arranged trading plan
Stock closed at $7.31 on Nov. 2 after the Oct. 30 close of $7.04

Alphatec Holdings, Inc. director David M. Demski bought 60,000 shares of the company's stock (Nasdaq: ATEC) at $6.81 per share, a total of $408,600, according to a Form 4 filing showed Monday, Nov. 2, 2026. The trade was dated Oct. 30. Demski holds 491,635 shares directly after the purchase.

The purchase was made under a pre-arranged trading plan, according to the filing.

Other insider activity

Over the period from Aug. 4, 2026 to the day before these filings, Chief Executive Patrick Miles bought 115,000 shares worth $1,013,150, according to filings with the Securities and Exchange Commission. Miles' purchase was not made under a trading plan. General Counsel and Corporate Secretary Tyson Eliot Marshall sold 8,168 shares worth $78,821.20 in the same period under a trading plan.

Price and company context

The stock closed at $7.04 on Oct. 30, the last close before the filings, and had fallen 29.8% over the prior 20 sessions. On Monday the stock rose 3.8% to close at $7.31.

Alphatec reported revenue of $221.2 million for the quarter ended Sept. 30, up 13% from a year earlier, with operating income of $3.2 million. Cash and equivalents were $79.9 million as of that date.

Sources

SEC Form 4 filing

Written with AI from insiders' Form 4 filings with the SEC and our market data, and checked against those sources before publishing. Our editorial standards.