$COHR

Digirolomo Enrico sold $1.6M of COHR

Digirolomo Enrico sold 5,315 shares of COHERENT CORP. (COHR) at $305.98 ($1.63M total) on 2026-09-11.

Original reporting
SEC EDGAR · Digirolomo Enrico
Published Sep 15, 2026, 11:00 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 15, 2026, 11:11 PM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefInsider activity
Primary signal
$COHR
Bearish
medium confidence
Mentioned
$COHR
Relevance
6/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$COHRBearishMed
01

Why it matters

The director's sale may be interpreted by investors as a negative signal, potentially prompting short‑term selling pressure.

02

Market read

First‑report insider sale of a mid‑cap company; modest materiality for traders monitoring insider activity.

03

What to watch

No 10b5‑1 plan and the director still holds a sizable position, indicating continued belief in the company.

Relevance 6/10Novelty 6/10Timing: post‑market 2026‑09‑11

Background

SEC Form 4 filings disclose insider transactions; this is the first public report of the sale.

Company-level read

Ticker impact

$COHRBearishMedium confidence
Context

Director Digirolomo Enrico sold 5,315 shares of Coherent Corp at $305.99 each, total $1.63M, reducing his stake to 11,923 shares.

Expected impact

Potential modest downside of 2‑3% over the next few days.

Evidence & confidence

Director sales are closely watched; the size (~$1.6M) is material for a mid‑cap and no 10b5‑1 plan was used.

Market effects

Limited to the photonics/laser equipment sector; no broader impact.

U.S. market only; no regional ripple.

Low; the filing is specific to Coherent Corp.

Counterpoint

The sale could be a routine portfolio rebalancing rather than a lack of confidence.

Key entities

  • Coherent Corp.

    U.S. listed photonics and laser technology company (ticker COHR).

  • Digirolomo Enrico

    Director of Coherent Corp who sold shares.

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

Related articles

$LITELow

Why Stocks Should Rebound After Fed Raised Rates

The Fed raised interest rates by 25 basis points, with all FOMC members voting in favor. Initially, the S&P 500 and Nasdaq showed little reaction, but later slumped. Markets recovered in the last hour, except for the Dow Jones, which fell 1.2%. Fed Chair Kevin Warsh suggested a 25 bps hike in November, less than markets expected. Tech stocks Lumentum, Coherent, Intel, and Nvidia saw gains.

$NVDAMedAI 8/10

NVIDIA Just Named AI's Next Bottleneck—And These 3 Stocks Sit Right In It

NVIDIA CEO Jensen Huang highlighted memory and silicon photonics as AI bottlenecks, with Micron, Coherent, and Tower Semiconductor positioned to benefit. Micron leads in high-bandwidth memory, Coherent supplies photonics components, and Tower Semiconductor manufactures wafers. NVIDIA expects 70% revenue growth, and analysts note supply constraints and pricing power in these sectors.

$COHRMed

Coherent at ECOC 2026: pushes full-stack optics for AI data centers

Coherent Corp (COHR) unveiled PhotonLink at ECOC 2026, a platform for AI data center optical connections. The company estimates a $30B market opportunity by 2030, adding to its $60B portfolio. COHR has customer engagements with NVIDIA and plans deployment from Q4 2026 to 2030. Shares surged 19% post-announcement, with 191% return over the past year. COHR operates four wafer fabs and has shipped over 650M optical components.

$GLWMed

Corning Climbs 6% as AI Optical Interconnect Demo Highlights Its Fiber; Lumentum, Coherent and Applied Optoelectronics Rise 4%

Corning (GLW) rose 6%, outpacing Lumentum (LITE) at 4%, after a joint AI optical interconnect demo. Applied Optoelectronics (AAOI) and Coherent (COHR) also gained 4%. The Roundhill Photonics ETF (LYTE) rose 3%. Corning's diversification cushions AI optical downside but dilutes revenue impact. Analysts note the demo may signal broader AI optical demand.

$COHRMed

Coherent Corp. (COHR) Stock: Surge as New 6.4T Optics Boost AI Growth Outlook

Coherent Corp. (COHR) stock rose 4.82% to $332.66 after introducing new optical technologies for AI infrastructure, including a 6.4T optical engine and 3.2T transceiver. The company will showcase these advancements at the ECOC 2026 conference, targeting high-density networks and datacenter connectivity. Coherent's portfolio expansion aims to address rising bandwidth and power demands in AI infrastructure.