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Semtech

Semtech (NASDAQ: SMTC) insider transactions

In the twelve months to 10 November 2026, executives and directors of Semtech reported 61 open-market sales of 168,395 shares ($18.9m) and 0 open-market purchases, by 12 people, according to the Form 4 filings they submitted to the SEC.

Latest transactions

The 20 most recent transactions in Semtech shares reported on Form 4
DateInsiderRoleTransactionSharesPriceHeld afterFiling
6 November 2026Hou Hong QPresident and CEOOpen-market sale, 10b5-1 plan−2,000$101.0063,976Form 4
21 October 2026Walsh Paul V JrDirectorOpen-market sale, 10b5-1 plan−500$139.4426,100Form 4
7 October 2026Green Jason ElliotEVP and CCOOpen-market sale, 10b5-1 plan−2,766$190.357,367Form 4
2 October 2026Hou Hong QPresident and CEOOpen-market sale, 10b5-1 plan−2,000$191.2165,976Form 4
1 October 2026Hou Hong QPresident and CEOOption exercise, 10b5-1 plan+6,483—71,275Form 4
1 October 2026Hou Hong QPresident and CEOShares withheld for tax, 10b5-1 plan−3,299$178.3567,976Form 4
1 October 2026Lin MarkEVP and CFOOption exercise, 10b5-1 plan+3,165—38,531Form 4
1 October 2026Lin MarkEVP and CFOShares withheld for tax, 10b5-1 plan−1,565$178.3536,966Form 4
1 October 2026Lin MarkEVP and CFOOpen-market sale, 10b5-1 plan−967$178.8735,999Form 4
23 September 2026Walsh Paul V JrDirectorOpen-market sale, 10b5-1 plan−500$172.6126,600Form 4
16 September 2026Cardenuto Rodolpho CDirectorOpen-market sale−5,321$165.000Form 4
10 September 2026Hou Hong QPresident and CEOOption exercise+8,130—68,929Form 4
10 September 2026Hou Hong QPresident and CEOShares withheld for tax−4,137$163.9464,792Form 4
10 September 2026Wilson John MichaelChief Quality Officer and CTOOption exercise+1,400—82,276Form 4
10 September 2026Wilson John MichaelChief Quality Officer and CTOShares withheld for tax−713$163.9481,563Form 4
10 September 2026Silberstein AsafEVP and COOOption exercise+2,439—2,439Form 4
10 September 2026Silberstein AsafEVP and COOShares withheld for tax−1,241$163.941,198Form 4
10 September 2026Green Jason ElliotEVP and CCOOption exercise+2,511—11,122Form 4
10 September 2026Green Jason ElliotEVP and CCOShares withheld for tax−989$163.9410,133Form 4
10 September 2026Lin MarkEVP and CFOOption exercise, 10b5-1 plan+2,348—37,244Form 4

Names appear as in the filing, surname first. A dash in the price column means the filing reports none, as in grants and gifts.

How to read the table

Only open-market purchases and sales are trades the insider chose to make at the market price, and they are the ones counted in the summary above. Grants, option exercises and shares withheld for tax come from pay plans. A sale marked as a 10b5-1 plan was scheduled in advance under a written plan.

Where each row comes from

From the Form 4 that each executive, director or large shareholder must file with the SEC within two business days of a transaction, read up to 10 November 2026. Each row links to its filing on EDGAR. Only transactions in shares are listed, not derivatives, and amended filings are left out. The accounts of the company are on the Semtech page; the method, in data sources.

Information prepared from the Form 4 filings submitted to the SEC, for information purposes only. It is not financial advice or a recommendation to buy or sell. Updated on 12 November 2026.