Every Form 4 that Semtech Corp (SMTC) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow SMTC and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full SMTC filings page.
Semtech Corp President and CEO Hong Q. Hou exercised 6,483 restricted stock units into common shares and had shares withheld to cover taxes. Each unit converts into one share of common stock, and part of this grant vests over time through quarterly installments.
Following the exercise and related tax-withholding disposition, Hou directly holds 74,161 shares of Semtech common stock. The filing reflects a compensation-related equity vesting and associated tax settlement rather than an open-market stock sale.
Semtech EVP and CFO Mark Lin exercised restricted stock units and sold shares in a pre-planned transaction. On April 1, 2026, he converted 3,164 restricted stock units into the same number of common shares. Of these, 1,557 shares were withheld to cover tax obligations at $76.89 per share and 974 shares were sold in the open market at $78.42 per share.
The transactions were executed under a Rule 10b5-1 trading plan adopted by Lin, indicating they were pre-scheduled. After these movements, he directly held 33,343 shares of Semtech common stock.
SEMTECH CORP executive Jason Elliot Green reported an open-market sale of 7,500 shares of Common Stock. The transaction occurred on April 1, 2026 at a weighted average price of $81.7323 per share, with individual sale prices ranging from $81.73 to $81.76. Following this sale, Green directly owns 8,811 shares of Semtech common stock.
Semtech EVP and CCO Jason Elliot Green reported routine equity compensation activity. He received 14,452 shares of common stock as part of a performance stock unit award that vested based on fiscal 2026 performance and service conditions. Of these, 5,687 shares at $76.52 per share were surrendered to cover tax obligations, leaving him with 16,311 shares directly owned.
Semtech Corp’s Chief Quality Officer and CTO John Michael Wilson reported routine equity compensation activity involving performance stock units that vested into common stock and related tax withholding. He acquired 5,600 and 9,325 shares of common stock at $0.00 per share as awards tied to prior performance grants.
To satisfy tax obligations on these vestings, 2,850 and 4,745 shares were withheld at a price of $76.52 per share, treated as share dispositions rather than market sales. After these transactions, Wilson directly holds 85,295 shares of Semtech common stock.
Semtech President and CEO Hong Q. Hou reported equity compensation activity involving performance-based stock units that vested into common shares and related tax withholding. On 2026-03-23, he acquired 32,517 and 27,342 shares of common stock at no cost upon vesting of prior performance stock unit awards tied to revenue, non-GAAP operating income, relative total stockholder return, and service conditions. To cover tax liabilities from these vestings, 16,545 and 13,912 shares were disposed of at $76.52 per share through share withholding rather than open-market sales. Following these transactions, Hou directly holds 70,977 shares of Semtech common stock.
Semtech EVP and COO Asaf Silberstein reported routine equity compensation activity in the form of performance stock unit vesting and related tax withholding. On March 23, 2026, he acquired 9,755 and 13,383 shares of common stock at no cost as two separate performance awards vested based on revenue, non-GAAP operating income, relative total stockholder return, and service conditions. In connection with these vestings, 4,964 and 6,810 shares were automatically withheld at a price of $76.52 per share to cover tax liabilities, rather than being sold on the open market. Following these transactions, he directly holds 105,677 shares of Semtech common stock.
Semtech EVP and CFO Mark Lin reported a mix of equity awards, tax-related share dispositions, and a small open‑market sale of common stock. On March 23, 2026, performance stock units granted in prior fiscal years 2024, 2025, and 2026 vested, delivering 9,394, 13,736, and 7,740 shares of common stock as performance and service conditions were met.
On the same date, Lin had 4,780 and 6,882 shares withheld at $76.52 per share to cover tax obligations and 3,848 shares disposed to the issuer. On March 24, 2026, he executed an open‑market sale of 9,186 shares at an average price of $75.05 per share under a pre‑arranged Rule 10b5‑1 trading plan. After these transactions, he directly holds 32,710 shares of Semtech common stock.
Semtech Corp director Paul V. Jr Walsh sold 500 shares of common stock in an open-market transaction. The sale occurred on March 18, 2026 at an average price of $80.87 per share. After this transaction, he continues to hold 24,279 Semtech shares directly.
Semtech EVP and CFO Mark Lin reported a mix of equity awards, vesting and share sales. On March 10, 2026, performance-based restricted stock units from Semtech’s fiscal 2024 program vested, converting 9,393 stock units into the same number of common shares, while 10,998 shares were withheld to cover tax obligations at prices around $85–$88 per share. He also received new grants of 12,658 common shares and 15,552 restricted stock units, which vest over multi‑year schedules. On March 10 and 11, 2026, Lin sold a total of 6,642 shares of common stock in open‑market transactions at prices near $85–$87 per share pursuant to a pre‑arranged Rule 10b5‑1 trading plan. After these transactions, he directly owns 26,536 shares of Semtech common stock.
Semtech Chief Quality Officer and CTO John Michael Wilson reported routine equity compensation activity. He exercised 5,600 restricted stock units into common shares and received new equity awards, including 9,792 restricted stock units and 6,950 shares of common stock.
To cover tax obligations on these awards, 2,850 shares and 3,537 shares of common stock were withheld at prices of $85.14 and $87.58 per share, respectively. After these transactions, he directly holds 77,965 shares of Semtech common stock, plus additional unvested stock units that vest over future dates.
Semtech EVP and COO Asaf Silberstein reported compensation-related equity activity involving performance stock units, restricted stock units, and common shares. He exercised 9,755 restricted stock units into the same number of Semtech common shares as part of a performance award vesting for the third year of a fiscal 2024 grant.
The company withheld a total of 10,017 common shares, at prices of $85.14 and $87.58 per share, to cover tax obligations, which is not an open-market sale. Silberstein also received new grants of 15,552 restricted stock units and 9,930 shares of common stock, and now directly holds 94,313 common shares. The new grants vest over time beginning on March 10, 2026 and March 10, 2027, with remaining portions vesting in eight quarterly installments after each date.
Semtech EVP and CCO Jason Elliot Green reported compensation-related equity activity. He exercised 10,043 Restricted Stock Units, receiving the same number of Semtech common shares. To cover tax obligations, 2,497 common shares were withheld at $85.14 per share, leaving 7,546 common shares directly held.
Green also received a new grant of 11,520 Restricted Stock Units, each representing the contingent right to one Semtech common share. One third of one RSU grant vests on March 10, 2026 with the remainder vesting quarterly from June 10, 2026, and another grant vests one third on March 10, 2027 with the remainder vesting quarterly from June 10, 2027.
Semtech Corp President and CEO Hong Q. Hou reported compensation-related equity transactions dated March 10, 2026. He acquired 32,516 shares of common stock through the exercise and conversion of restricted stock units and received a new award of 51,843 restricted stock units, each representing the right to one Semtech share. To cover tax obligations, 16,545 common shares were withheld, leaving him with 41,575 common shares held directly after these transactions. The new RSU grant vests over time, beginning on March 10, 2027, with additional quarterly installments.
SEMTECH CORP’s Chief Quality Officer and CTO John Michael Wilson reported routine equity compensation activity involving restricted stock units. On March 7, 2026, he exercised 8,496 restricted stock units, receiving the same number of common shares at a stated price of $0.00 per share. A related transaction shows 4,323 common shares withheld at $82.02 per share to cover tax obligations, which is an automatic mechanism rather than an open-market sale. Following these transactions, Wilson directly holds 71,802 shares of Semtech common stock. Footnotes explain that each unit represents one share of common stock and that the underlying grant vests in three annual installments beginning on March 7, 2024, underscoring the planned, scheduled nature of these awards.
Semtech EVP and COO Asaf Silberstein exercised restricted stock units into common stock and had shares withheld for taxes. On March 7, 2026, he converted 12,137 restricted stock units into 12,137 shares of common stock. Of these, 6,176 shares were withheld to cover tax obligations at a price of $82.02 per share, leaving him with 84,645 directly held shares after the transactions.
Semtech Chief Quality Officer and CTO John Michael Wilson reported equity compensation transactions in company stock. On March 5, 2026, he exercised 12,385 Restricted Stock Units, receiving the same number of common shares at $0.00 per share. On the same day, 4,822 common shares were disposed of at $89.75 per share to satisfy tax withholding, leaving him with 67,629 common shares held directly. Each stock unit represents the right to receive one Semtech share, and this grant vests in three annual installments beginning March 5, 2025.
Semtech Corp EVP and COO Asaf Silberstein exercised 17,773 Restricted Stock Units into common shares on March 5, 2026. To satisfy tax obligations, 7,585 shares were withheld at $89.75 per share. After these transactions, he directly holds 78,684 shares of Semtech common stock.
Semtech EVP and CFO Mark Lin reported multiple stock transactions. He sold 6,582 shares of common stock in an open-market sale at $83.75 per share, executed under a Rule 10b5-1 trading plan adopted on June 23, 2025.
On the prior day, Lin exercised 18,242 restricted stock units, converting them into the same number of common shares at $0.00 exercise price, and disposed of 8,012 shares to cover tax obligations at $89.75 per share. After these transactions, he directly held 22,125 shares of Semtech common stock and 18,242 restricted stock units, which vest in three annual installments beginning on March 5, 2025.
Semtech Corp director Paul V. Walsh Jr. reported an open-market sale of 500 shares of Semtech common stock at a price of $88.24 per share. After this transaction, he directly owns 24,779 shares of Semtech common stock.
Semtech Corp’s EVP and COO Asaf Silberstein, through The Silberstein Family Trust DTD 07/11/2016, completed an open-market sale of 10,000 shares of common stock on February 9, 2026 at $92 per share. Following this planned Rule 10b5-1 trade, the trust beneficially owns 68,496 shares.
Semtech Corporation executive Asaf Silberstein reported a planned sale of company stock. On 02/02/2026, a trust associated with him sold 10,000 shares of Semtech common stock at $88 per share under a Rule 10b5-1 trading plan adopted on September 5, 2025.
After this transaction, Silberstein beneficially owned 78,496 shares of Semtech common stock, held by The Silberstein Family Trust DTD 07/11/2016, for which he serves as trustee.
Semtech Corporation executive Asaf Silberstein reported an insider stock sale linked to a family trust. On 01/22/2026, The Silberstein Family Trust DTD 07/11/2016, for which he serves as Trustee, sold 5,000 shares of Semtech common stock at a price of $83 per share in an open market transaction.
Following this sale, the filing shows 88,496 shares of Semtech common stock beneficially owned. Silberstein is listed as Executive Vice President and Chief Operating Officer, and the sale was made under a Rule 10b5-1 trading plan adopted on September 5, 2025.
SEMTECH CORP director Paul V. Walsh Jr. reported a small automatic sale of company stock. On January 21, 2026, he sold 500 shares of Semtech common stock at a price of $78.25 per share, in a transaction coded "S" for a sale. After this trade, he beneficially owned 25,279 shares of Semtech common stock in direct ownership. The filing notes that this transaction was carried out under a Rule 10b5-1 trading plan that Mr. Walsh adopted on July 9, 2025, indicating it was pre-arranged rather than a discretionary, ad hoc sale.
Semtech Corp director Gregory Michael Fischer reported selling 1,034 shares of Semtech common stock on January 9, 2026 at a price of $75.5 per share. After this sale, he beneficially owned 2,857 shares of Semtech common stock, held directly. The filing is a routine Form 4 reporting this insider transaction.
Semtech Corporation’s Chief Quality Officer and CTO, John Michael Wilson, reported selling 5,000 shares of Semtech common stock on January 8, 2026 at a price of $75.12 per share. Following this transaction, he directly owned 60,066 shares of the company’s stock.
Semtech Corp director Saar Gillai reported a sale of company shares. On January 7, 2026, Gillai sold 3,600 shares of Semtech common stock at a price of $75.2625 per share, as reported on a Form 4 insider trading filing. After this transaction, Gillai beneficially owned 9,523 shares of Semtech common stock held directly.
Semtech EVP and CFO Mark Lin reported several equity transactions in early January 2026. On January 2, 2026, 3,164 shares of common stock were issued at an exercise price of $0 upon the vesting of restricted stock units, increasing his directly held common shares to 21,008. That same day, 1,198 of those shares were withheld and disposed of at $73.69 per share to cover tax obligations, leaving 19,810 common shares directly owned.
On January 5, 2026, Lin sold 1,333 shares of Semtech common stock at $76.20 per share in an open-market transaction, reducing his direct common stock holdings to 18,477 shares. The sale was made under a Rule 10b5-1 trading plan adopted on June 23, 2025. Following these transactions, he also directly holds 9,493 restricted stock units, each representing the right to receive one share of Semtech common stock, with one-third having vested on October 2, 2024 and the remainder vesting in eight quarterly installments beginning January 2, 2025.
Semtech Corporation President and CEO Hong Q. Hou reported several equity transactions in company stock. On January 2, 2026, a restricted stock unit award converted into 6,483 shares of Semtech common stock at an exercise price of $0, reflecting previously granted equity now delivered as shares. The filing also shows a separate transaction coded F on the same date involving 2,438 shares of common stock at $73.69 per share. After these transactions, Hou directly owned 25,604 shares of Semtech common stock and 38,900 restricted stock units. The footnotes explain that each stock unit represents the right to receive one share of Semtech common stock and that one third of the referenced grant vested on July 1, 2025, with the remainder vesting in eight quarterly installments beginning October 1, 2025.
Semtech Corporation director reports small stock sale
A Semtech Corporation director reported selling 500 shares of common stock on 11/19/2025 at a price of $63.08 per share. After this transaction, the director beneficially owns 26,279 shares of Semtech common stock in direct form. The filing notes that the sale was made under a pre-arranged Rule 10b5-1 trading plan that was adopted on July 9, 2025, which is designed to allow insiders to trade stock according to a preset schedule.
Semtech (SMTC) director Paul V. Walsh Jr. reported an open-market sale of 500 shares of common stock at $66.24 on October 22, 2025.
After this transaction, he beneficially owned 26,779 shares, held directly.
The sale was made pursuant to a Rule 10b5-1 trading plan adopted on July 9, 2025.
Semtech (SMTC) EVP and CFO Mark Lin reported routine equity transactions. On 10/01/2025, 3,164 common shares were acquired upon RSU settlement, followed by 1,560 shares withheld at $71.45 for taxes. On 10/03/2025, open‑market sales occurred at weighted average prices of $72.0734, $73.2663, and $73.9214. After these moves, he directly beneficially owned 17,844 common shares. Each RSU represents one share; one third of the grant vested on October 2, 2024, with the remainder vesting in eight quarterly installments beginning January 2, 2025.
Hong Q. Hou, President and CEO and a director of Semtech Corp (SMTC), reported on Form 4 transactions dated 10/01/2025. The filing shows a disposition of 3,293 shares of Semtech common stock at a price of $71.45 and the acquisition (vesting) of 6,483 restricted stock units that convert into common shares at no cash price. After these transactions, the reporting person beneficially owned 45,383 shares in total. The RSU grant vests in a schedule where one third vested on 7/1/2025 and the remainder vests in eight quarterly installments beginning 10/01/2025. The Form 4 was signed under power of attorney on 10/03/2025.