Earnings Call Intelligence Subscribe
Home › Credibility Index › COHR
Management credibility scorecard

Coherent (COHR)

5 quarters tracked (Q4'25 to Q4'26) · latest call August 12, 2026
Get the next COHR call sheet
96%
Kept of 24 resolved
23
Kept or exceeded
1
Missed
3
Still pending
Share count, 3 yrs/yr · heavy diluter

Score History

QuarterCall dateDisclosureFinancial qualityKeptMissed
Q4'26August 12, 20267/121 high, 2 medium, 1 low flags00Call sheet →
Q3'26May 6, 202611/121 medium, 5 low flags60Call sheet →
Q2'26February 4, 20268/123 medium, 4 low flags60Call sheet →
Q1'26November 6, 20259/123 medium, 3 low flags50Call sheet →
Q4'25August 13, 20256/124 medium, 3 low flags61Call sheet →
Disclosure: the 6-item rubric, each scored 0-2, out of 12. Financial quality: flagged indicators by severity. Kept and missed count the prior-quarter promises scored on that call.

Promise Ledger · All Quarters

MarkedStatusPromise
Q3'26DeliveredStrong sequential revenue growth in June quarter
Q4 guidance midpoint of $1.98B vs Q3 $1.8B implies 10%+ sequential growth.
Q3'26PendingIndustrial segment improving demand with semi-cap translating to June quarter growth
Still expecting June quarter industrial growth but Q3 was down - timeline intact but challenging.
Q3'26ExceededCommunications business to grow sequentially in current quarter as well as June
Q3 delivered 16% sequential vs 9% prior quarter - massive acceleration beyond promise.
Q3'26DeliveredOCS revenue to grow sequentially in current quarter and coming quarters
OCS contributing to Q4 sequential growth as promised, production capacity resolved.
Q3'26DeliveredSequential growth in data center in both March and June quarters
Q3 delivered 13% sequential growth, Q4 guidance implies continued sequential growth.
Q3'26DeliveredInitial CPO revenue toward the end of this calendar year
Refined to 'second half of this calendar year' - more specific and pulled forward slightly.
Q3'26ExceededDouble internal indium phosphide production by the fourth quarter of this calendar year
Now expecting to hit this target one quarter EARLY (Q4 vs Q1). Massive execution win.
Q2'26DeliveredSix-inch indium phosphide production to begin at second site
Confirmed production began at Jarfalla, Sweden facility, ramping in parallel with Sherman, Texas
Q2'26ExceededIndustrial business to be stable to slightly up sequentially in Q2
Industrial grew 4% sequentially versus stable to slightly up guidance
Q2'26DeliveredCommunications business to grow sequentially in Q2 and through balance of fiscal year
Communications grew 9% sequentially, though only reconfirmed through June quarter
Q2'26DeliveredOCS revenue and backlog to grow sequentially in Q2
Both OCS revenue and backlog grew sequentially as promised
Q2'26DeliveredExternal EML supply to increase sequentially in Q2 and throughout calendar year
Confirmed external EML supply increased sequentially in Q2
Q2'26PendingDouble internal indium phosphide production by fourth quarter of calendar year
On track with wafer starts at 80% of target, but still 10 months to go
Q2'26ExceededData center growth to accelerate to approximately 10% sequential growth in Q2
Delivered 14% sequential growth, well above the ~10% promised
Q1'26DeliveredAerospace & Defense divestiture to close in Q4 with proceeds for debt paydown
Closed early in Q1, $400M proceeds used for debt reduction as planned
Q1'26DeliveredCommunications business to continue recovering with new product introductions
5th consecutive quarter of sequential growth at 11% sequential, 55% YoY
Q1'26PendingOCS revenue to ramp through remainder of calendar year and contribute meaningfully in calendar '26
Revenue and backlog growing but still no quantification of 'meaningful'
Q1'26ExceededContinue to expand indium phosphide production capacity over coming quarters
Now ramping at two sites in parallel vs original single-site plan
Q1'26Exceeded1.6T transceivers to ramp throughout balance of calendar year with meaningful revenue contribution in calendar '26
1.6T now driving significant portion of Q2 growth, ahead of timeline
Q1'26DeliveredBegin production this month of 6-inch indium phosphide line in Sherman, Texas
Started production in Q1 as promised with better-than-expected yields
Q4'25MissedGross margin progress toward 40%+ target
Gross margin declined 43 bps sequentially to 38.1%
Q4'25ExceededTelecom sequential growth continuation
Communications grew 11% sequentially vs 2% in Q3
Q4'25DeliveredIndium phosphide capacity expansion
Maintained 3x year-over-year growth rate
Q4'25DeliveredContinue sequential growth in datacom
Grew 3% sequentially but significantly slowed from 11% in Q3
Q4'25Exceeded6-inch InP production next quarter (Q4)
Started production in August, ahead of expectations
Q4'25DeliveredOCS initial revenue in calendar 2025
Confirmed initial revenue began in Q4
Q4'25Delivered1.6T revenue to start in calendar 2025
Confirmed initial revenue shipments in Q4, though volumes not disclosed
Each row is a promise from the prior call, scored against the quarter in "Marked". Kept-promise rate counts resolved promises only; pending is excluded.
Promise-kept rate counts resolved promises only (pending excluded).
Scores, kept-promise rates, and flags on this site reflect the author's opinion, applying a stated methodology to statements management made on public earnings calls. Informational and educational purposes only - not investment advice, a recommendation, or an offer to buy or sell any security. Sources believed reliable but not guaranteed; the author may hold positions in the securities discussed.

Follow what management promises next

Get free previews of our earnings-call research: the key changes, management scores, and questions worth investigating. Subscribe for full call sheets and deeper analysis.

Subscriptions are managed by Substack. If the form does not load, subscribe directly. Or follow the RSS feed.