COHR Stock: Insider Activity, Filings & Research

Drillr aggregates AI research, SEC filings, earnings signals and alt-data for COHR. 4 published articles.

Insider Activity

Over the trailing 90-day window, COHR insiders executed 6 open-market sales totaling $3.8M with zero offsetting purchases, resulting in an insider sentiment score of 0/100. Notable transactions included director Digirolomo Enrico selling $944.5K on 2026-03-09, director Skaggs Stephen A selling $856.6K on 2026-03-11, and CFO Luther Sherri R selling $745.9K on 2026-05-13. The net selling activity coincided with a 52% three-month price return, while institutional investors were accumulating shares according to 13F trends. No cluster buying occurred during the period.

Updated Jun 4, 2026 · based on SEC Form 4 filings · not investment advice

Sentiment
0/100
Buys (3m)
0
Sells (3m)
6
Net (3m)
-$3.8M
Insider trades by month Buys Sells
Nov
Dec
Feb
Mar
Apr
May
Context3-month price +52%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
May 13, 2026Luther Sherri Rofficer: Chief Financial OfficerSell2,000$372.96
May 13, 2026Xia Howard H.directorSell500$344.00
May 13, 2026Xia Howard H.directorOption2,000$21.67
Apr 24, 2026Luther Sherri Rofficer: Chief Financial OfficerSell2,000$351.00
Mar 12, 2026Eng Julie Sheridanofficer: Chief Technology OfficerSell1,454$258.18
Mar 11, 2026SKAGGS STEPHEN AdirectorSell3,523$243.13
Mar 9, 2026Digirolomo EnricodirectorOption2,906$36.56
Mar 9, 2026Digirolomo EnricodirectorSell3,911$241.50
Mar 9, 2026Digirolomo EnricodirectorOption1,005$49.90
Mar 4, 2026Eng Julie Sheridanofficer: Chief Technology OfficerSell2,792$291.42
Feb 17, 2026Luther Sherri Rofficer: Chief Financial OfficerSell4,000$217.74
Feb 12, 2026SADASIVAM SHAKERdirectorGrant279
Feb 12, 2026VIJ SANDEEPdirectorGrant279
Feb 12, 2026CORASANTI JOSEPH JdirectorGrant279
Feb 12, 2026Xia Howard H.directorGrant279

Source: COHR SEC Form 4 filings, latest May 13, 2026. For informational purposes only — not investment advice.

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