Total buying$00 buys
SMTC
SEMTECH CORP
NasdaqTechnologySemiconductors & Related Devices
Insider activity for last month from 09/25 to 10/25.
How these metrics are calculated
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 selling$1.15M4 sells
Net open-market−$1.15MBuying minus selling
Active insiders4Distinct reporting owners
Insider activity report
Calendar-month buckets within the selected date range
Latest filing: Oct 23, 2026
Open-market transaction mix · 4 transactions in the selected period
Code A includes awards, grants and other acquisitions; these are not open-market buys. A rolling period can include partial calendar months.
View exact monthly counts and disclosed values
| Month | Buys | Sells | Awards (A) | Buy value | Sell value | Net P/S value |
|---|---|---|---|---|---|---|
| Sep 2026 | 0 | 0 | 0 | $0 | $0 | $0 |
| Oct 2026 | 0 | 4 | 0 | $0 | $1.15M | -$1.15M |
Distinct insiders active
Reporting-owner CIKs by month · peak Oct 2026 (4)Sep 2026Oct 2026
Largest insider activity
By absolute net disclosed value · current transaction page- HQ-$970.8k
- GE-$526.5k
- LM-$452.1k
- WJ-$69.7k
SMTC transaction history
Newest filings · 20 transactions per pageLatest insider transactions
Form 4 filings from last month.| Company | Insider | Activity | Disclosed value | Filed (ET) |
|---|---|---|---|---|
SMTCSEMTECH CORP | Walsh Paul V JrDIR | S · sale10b5-1 detectedSEC filing ↗ | -$69.7kView disclosure → | |
SMTCSEMTECH CORP | Green Jason ElliotEC | S · sale10b5-1 detectedSEC filing ↗ | -$526kView disclosure → | |
SMTCSEMTECH CORP | Lin MarkEC | M · exercise10b5-1 detectedDerivative securitySEC filing ↗ | $0View disclosure → | |
SMTCSEMTECH CORP | Lin MarkEC | S · sale10b5-1 detectedSEC filing ↗ | -$172kView disclosure → | |
SMTCSEMTECH CORP | Lin MarkEC | F · withholding10b5-1 detectedSEC filing ↗ | -$279kView disclosure → | |
SMTCSEMTECH CORP | Lin MarkEC | M · exercise10b5-1 detectedSEC filing ↗ | $0View disclosure → | |
SMTCSEMTECH CORP | Hou Hong QPRES | M · exercise10b5-1 detectedDerivative securitySEC filing ↗ | $0View disclosure → | |
SMTCSEMTECH CORP | Hou Hong QPRES | S · sale10b5-1 detectedSEC filing ↗ | -$382kView disclosure → | |
SMTCSEMTECH CORP | Hou Hong QPRES | F · withholding10b5-1 detectedSEC filing ↗ | -$588kView disclosure → | |
SMTCSEMTECH CORP | Hou Hong QPRES | M · exercise10b5-1 detectedSEC filing ↗ | $0View disclosure → |
Filing-only signals
Deterministic matches in the selected period
Filing detail checks
Secondary metrics for the selected periodTransaction codes
By Form 4 transaction code in selected period10transactionstxns
- M · Option exercise · dominant4 · 40%
- S · Open-market sells4 · 40%
- F · Tax withholding2 · 20%
Activity by reported role
A joint filing can contribute to multiple rolesEC5
PRES4
Director1
Reported Holdings After
Separated by insider, security, and ownership type
Hou Hong QCommon Stock · Direct
65,976Oct 02, 2026
Lin MarkCommon Stock · Direct
35,999Oct 01, 2026
Hou Hong QRestricted Stock Unit · Direct
19,450Oct 01, 2026
Lin MarkRestricted Stock Unit · Direct
0Oct 01, 2026
Green Jason ElliotCommon Stock · Direct
7,367Oct 07, 2026
Walsh Paul V JrCommon Stock · Direct
26,100Oct 21, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Current transaction page only · each cell is a filing date · buys green, sells redSep 25 → Oct 25
LessMore
SEMTECH CORP Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at SEMTECH CORP?
Walsh Paul V Jr, Green Jason Elliot, Lin Mark, HOU HONG Q.
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?
Walsh Paul V Jr reported a sale on Oct 21, 2026 valued at $69.7k. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $1,151,615.39. 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.