Latest filingSep 03, 2026Most recent Form 4
COHR
COHERENT CORP.
NYSEIndustrialsOptical Instruments & Lenses
Insider activity for last month from 08/04 to 09/04. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$581M5 sells
Net open-market-$581M8 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period19transactions
- A · Grants / awards · dominant9 · 47%
- F · Tax withholding5 · 26%
- S · Open-market sells5 · 26%
Activity by reported role
A joint filing can contribute to multiple roles23transactions
- CTO · dominant5 · 22%
- CAO4 · 17%
- Chief financial officer3 · 13%
- Chief executive officer2 · 9%
- CS2 · 9%
- Director2 · 9%
- LO2 · 9%
- TRES2 · 9%
- CSCO1 · 4%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (8)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeEng Julie SheridanCommon Stock · Direct
41,027Sep 01, 2026
Luther Sherri RCommon Stock · Direct
73,449Aug 28, 2026
Mocciaro IlariaCommon Stock · Direct
23,879Aug 28, 2026
Anderson James RobertCommon Stock · Direct
185,287Aug 28, 2026
Beard Robert PCommon Stock · Direct
53,824Aug 28, 2026
Mocciaro IlariaDeferred Performance Stock Units · Direct
2,335Aug 28, 2026
Place Jeffrey B.Common Stock · Direct
21,099Aug 28, 2026
Skaggs Stephen ACommon Stock · Direct
14,592Aug 31, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 04 → Sep 04
LessMore
Top insiders
By absolute net value across the selected period- ES-$3.6M
- LR-$972.0k
- SA-$629.1k
- DE-$629.0k
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
COHR transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| COHR | Digirolomo Enrico | DIR | sale10b5-1 | 2.27k | -$62.8M | S | — | 0.0% | 09/03 | 08/31 |
| COHR | SKAGGS STEPHEN A | DIR | sale10b5-1 | 2.27k | -$62.9M | S | — | 0.0% | 09/03 | 08/31 |
| COHR | Eng Julie Sheridan | CTO | sale10b5-1 | 6.03k | -$163M | S | 0.0% | 09/02 | 09/01 | |
| COHR | Eng Julie Sheridan | CTO | sale10b5-1 | 7.04k | -$195M | S | 0.0% | 09/02 | 08/31 | |
| COHR | Luther Sherri R | CFO | sale10b5-1 | 3.00k | -$97.2M | S | −6.2% | 08/20 | 08/18 |
COHERENT CORP. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at COHERENT CORP.?
Digirolomo Enrico, SKAGGS STEPHEN A, Place Jeffrey B., Mocciaro Ilaria, Luther Sherri R, Eng Julie Sheridan, Beard Robert P, ANDERSON JAMES ROBERT.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Eng Julie Sheridan reported a sale on Sep 01, 2026 valued at $163M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $5,813,140.88. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.