Director Enrico Digirolomo of Coherent Corp (NASDAQ: COHR) completed a reported sale of 3,911 shares of common stock on March 6, 2026. The transaction occurred at $241.50 per share and generated proceeds of $944,506. Following the sale, Digirolomo directly owns 17,446 shares of the company.
On the same date Digirolomo made a donation of 1,847 shares of Coherent common stock to a donor advised fund; that transfer is recorded with a value of $0. He also exercised stock options to acquire two blocks of shares: 1,005 shares and 2,906 shares, respectively.
Coherent's share price has shown pronounced moves in recent periods. The stock has appreciated 302% over the past year but registered a 10% decline during the past week. At the time of the latest reporting the current trading price is $252.32.
Separately from the insider activity, Coherent announced a slate of new product introductions aimed at optical networking and data center applications. The company released single- and dual-chip uncooled 980nm micro-pump lasers intended for coherent transmission systems and multi-rail optical amplifiers. These lasers are specified to deliver up to 700 mW of output while consuming under 3 W of power per fiber, and they are designed to operate without active cooling across a broad temperature range.
Coherent also introduced the Thermadite 800 Liquid Cold Plates targeted at AI accelerator cooling systems, with the company stating the product offers thermal conductivity materially higher than copper. Another launch is the CHR1074 224 Gbps quad-channel transimpedance amplifier, built for 800G and 1.6T optical transceivers used in AI and cloud infrastructure. Coherent describes the CHR1074 as engineered to efficiently manage burst-mode traffic and power-saving states.
In a corporate market-development note, S&P Dow Jones Indices has announced that Coherent is set to join the S&P 500 index.
Market commentary referenced by the company includes a favorable view from Bank of America on optical networking stocks, highlighting what the bank describes as multi-year growth potential driven by increasing demand and constrained supply conditions.
On valuation, InvestingPro analysis included in the reporting indicates the stock appears overvalued at current levels and notes that 18 additional ProTips are available to subscribers.
Clear summary
On March 6, 2026, Coherent director Enrico Digirolomo sold 3,911 shares for $944,506, donated 1,847 shares to a donor advised fund at a recorded value of $0, and exercised options to purchase 1,005 and 2,906 shares. The stock has outperformed over the past year but pulled back in the last week, trades at $252.32, and faces an InvestingPro view of being overvalued. Coherent simultaneously unveiled multiple products for optical and AI applications and will be added to the S&P 500.
Key points
- Insider transaction: Director Enrico Digirolomo sold 3,911 shares on March 6, 2026, at $241.50 per share, totaling $944,506, and retains direct ownership of 17,446 shares.
- Company product slate: New launches include uncooled 980nm micro-pump lasers, Thermadite 800 Liquid Cold Plates for AI accelerators, and the CHR1074 224 Gbps transimpedance amplifier for high-speed optical transceivers.
- Market context: Shares have gained 302% over the last year but declined 10% in the previous week; Coherent is slated to join the S&P 500 and InvestingPro flags potential overvaluation.
Risks and uncertainties
- Share-price volatility - the stock rose 302% year-over-year but fell 10% in the prior week, indicating short-term price swings that may affect investors and market participants.
- Valuation concerns - InvestingPro analysis characterizes the stock as appearing overvalued at current levels, which could influence investor sentiment in the technology and optical networking sectors.
- Insider activity - the director's sizable sale and zero-valued donation on the same day add complexity to the ownership picture, a factor market participants may weigh when assessing liquidity or insider intentions.