Follow the people · Insider
Asaf Silberstein
Asaf Silberstein files insider transactions with the SEC as an evp and coo of Semtech (SMTC). We hold 7 disclosed purchases and sales filed since 29 February 2012, 3 of them in the last 90 days.
- Files forSMTC
- Disclosed buys and sells7 in all, 3 in the last 90 days
- Last disclosure19 August 2026
Positions held
1 post we hold — a term names its own dates; a run of filings only says when they filed- Filed 28 February 2012 — 17 August 2026EVP and COO · Semtech (SMTC)325 Form 4 lines · source: SEC Form 4
Everything they disclosed
120 entries, newest first — one per disclosure report, one per Form 4 line- ▼ sold on the open market 5,000 shares of SemtechSEC Form 419 August 2026Common Stock · traded 17 August 2026 · filed 19 August 2026
- ▼ sold on the open market 3,000 shares of SemtechSEC Form 416 July 2026Common Stock · traded 14 July 2026 · filed 16 July 2026
- ▼ sold on the open market 437 shares of SemtechSEC Form 410 July 2026Common Stock · traded 8 July 2026 · filed 10 July 2026
- ▼ sold on the open market 2,448 shares of SemtechSEC Form 410 July 2026Common Stock · traded 8 July 2026 · filed 10 July 2026
- ▼ sold on the open market 273 shares of SemtechSEC Form 410 July 2026Common Stock · traded 8 July 2026 · filed 10 July 2026
- ▼ sold on the open market 588 shares of SemtechSEC Form 410 July 2026Common Stock · traded 8 July 2026 · filed 10 July 2026
- ▼ sold on the open market 1,400 shares of SemtechSEC Form 410 July 2026Common Stock · traded 8 July 2026 · filed 10 July 2026
- ▼ sold on the open market 3,354 shares of SemtechSEC Form 410 July 2026Common Stock · traded 8 July 2026 · filed 10 July 2026
- gave away 38,866 shares of SemtechSEC Form 46 July 2026Common Stock · traded 1 July 2026 · filed 6 July 2026
- gave away 38,866 shares of SemtechSEC Form 46 July 2026Common Stock · traded 1 July 2026 · filed 6 July 2026
- exercised options over 2,438 shares of SemtechSEC Form 412 June 2026Common Stock · traded 10 June 2026 · filed 12 June 2026
- had shares withheld for tax on 1,241 shares of SemtechSEC Form 412 June 2026Common Stock · traded 10 June 2026 · filed 12 June 2026
- exercised options over 2,438 shares of Semtech (a derivative holding)SEC Form 412 June 2026Restricted Stock Unit · traded 10 June 2026 · filed 12 June 2026
- ▼ sold on the open market 2,000 shares of SemtechSEC Form 45 June 2026Common Stock · traded 3 June 2026 · filed 5 June 2026
- was granted 488 shares of SemtechSEC Form 48 April 2026Common Stock · traded 6 April 2026 · filed 8 April 2026
- was granted 9,755 shares of SemtechSEC Form 425 March 2026Common Stock · traded 23 March 2026 · filed 25 March 2026
- had shares withheld for tax on 4,964 shares of SemtechSEC Form 425 March 2026Common Stock · traded 23 March 2026 · filed 25 March 2026
- was granted 13,383 shares of SemtechSEC Form 425 March 2026Common Stock · traded 23 March 2026 · filed 25 March 2026
- had shares withheld for tax on 6,810 shares of SemtechSEC Form 425 March 2026Common Stock · traded 23 March 2026 · filed 25 March 2026
- was granted 9,755 shares of SemtechSEC Form 425 March 2026Common Stock · traded 23 March 2026 · filed 25 March 2026
- had shares withheld for tax on 4,964 shares of SemtechSEC Form 425 March 2026Common Stock · traded 23 March 2026 · filed 25 March 2026
- was granted 13,383 shares of SemtechSEC Form 425 March 2026Common Stock · traded 23 March 2026 · filed 25 March 2026
- had shares withheld for tax on 6,810 shares of SemtechSEC Form 425 March 2026Common Stock · traded 23 March 2026 · filed 25 March 2026
- exercised options over 9,755 shares of SemtechSEC Form 412 March 2026Common Stock · traded 10 March 2026 · filed 12 March 2026
- had shares withheld for tax on 4,964 shares of SemtechSEC Form 412 March 2026Common Stock · traded 10 March 2026 · filed 12 March 2026
- was granted 9,930 shares of SemtechSEC Form 412 March 2026Common Stock · traded 10 March 2026 · filed 12 March 2026
- exercised options over 9,755 shares of Semtech (a derivative holding)SEC Form 412 March 2026Restricted Stock Unit · traded 10 March 2026 · filed 12 March 2026
- was granted 15,552 shares of Semtech (a derivative holding)SEC Form 412 March 2026Restricted Stock Unit · traded 10 March 2026 · filed 12 March 2026
- had shares withheld for tax on 5,053 shares of SemtechSEC Form 412 March 2026Common Stock · traded 10 March 2026 · filed 12 March 2026
- exercised options over 9,755 shares of Semtech (a derivative holding)SEC Form 412 March 2026Restricted Stock Unit · traded 10 March 2026 · filed 12 March 2026
- was granted 15,552 shares of Semtech (a derivative holding)SEC Form 412 March 2026Restricted Stock Unit · traded 10 March 2026 · filed 12 March 2026
- exercised options over 9,755 shares of SemtechSEC Form 412 March 2026Common Stock · traded 10 March 2026 · filed 12 March 2026
- had shares withheld for tax on 4,964 shares of SemtechSEC Form 412 March 2026Common Stock · traded 10 March 2026 · filed 12 March 2026
- was granted 9,930 shares of SemtechSEC Form 412 March 2026Common Stock · traded 10 March 2026 · filed 12 March 2026
- had shares withheld for tax on 5,053 shares of SemtechSEC Form 412 March 2026Common Stock · traded 10 March 2026 · filed 12 March 2026
- exercised options over 12,137 shares of SemtechSEC Form 410 March 2026Common Stock · traded 7 March 2026 · filed 10 March 2026
- had shares withheld for tax on 6,176 shares of SemtechSEC Form 410 March 2026Common Stock · traded 7 March 2026 · filed 10 March 2026
- exercised options over 12,137 shares of Semtech (a derivative holding)SEC Form 410 March 2026Restricted Stock Unit · traded 7 March 2026 · filed 10 March 2026
- exercised options over 12,137 shares of Semtech (a derivative holding)SEC Form 410 March 2026Restricted Stock Unit · traded 7 March 2026 · filed 10 March 2026
- exercised options over 12,137 shares of SemtechSEC Form 410 March 2026Common Stock · traded 7 March 2026 · filed 10 March 2026
- had shares withheld for tax on 6,176 shares of SemtechSEC Form 410 March 2026Common Stock · traded 7 March 2026 · filed 10 March 2026
- exercised options over 17,773 shares of SemtechSEC Form 49 March 2026Common Stock · traded 5 March 2026 · filed 9 March 2026
- had shares withheld for tax on 7,585 shares of SemtechSEC Form 49 March 2026Common Stock · traded 5 March 2026 · filed 9 March 2026
- exercised options over 17,773 shares of Semtech (a derivative holding)SEC Form 49 March 2026Restricted Stock Unit · traded 5 March 2026 · filed 9 March 2026
- exercised options over 17,773 shares of Semtech (a derivative holding)SEC Form 49 March 2026Restricted Stock Unit · traded 5 March 2026 · filed 9 March 2026
- exercised options over 17,773 shares of SemtechSEC Form 49 March 2026Common Stock · traded 5 March 2026 · filed 9 March 2026
- had shares withheld for tax on 7,585 shares of SemtechSEC Form 49 March 2026Common Stock · traded 5 March 2026 · filed 9 March 2026
- ▼ sold on the open market 10,000 shares of SemtechSEC Form 411 February 2026Common Stock · traded 9 February 2026 · filed 11 February 2026
- ▼ sold on the open market 10,000 shares of SemtechSEC Form 411 February 2026Common Stock · traded 9 February 2026 · filed 11 February 2026
- ▼ sold on the open market 10,000 shares of SemtechSEC Form 44 February 2026Common Stock · traded 2 February 2026 · filed 4 February 2026
- ▼ sold on the open market 10,000 shares of SemtechSEC Form 44 February 2026Common Stock · traded 2 February 2026 · filed 4 February 2026
- ▼ sold on the open market 5,000 shares of SemtechSEC Form 426 January 2026Common Stock · traded 22 January 2026 · filed 26 January 2026
- ▼ sold on the open market 5,000 shares of SemtechSEC Form 426 January 2026Common Stock · traded 22 January 2026 · filed 26 January 2026
- ▼ sold on the open market 3,726 shares of SemtechSEC Form 49 December 2025Common Stock · traded 5 December 2025 · filed 9 December 2025
- ▼ sold on the open market 6,774 shares of SemtechSEC Form 49 December 2025Common Stock · traded 5 December 2025 · filed 9 December 2025
- ▼ sold on the open market 1,000 shares of SemtechSEC Form 42 September 2025Common Stock · traded 28 August 2025 · filed 2 September 2025
- ▼ sold on the open market 900 shares of SemtechSEC Form 42 September 2025Common Stock · traded 29 August 2025 · filed 2 September 2025
- ▼ sold on the open market 100 shares of SemtechSEC Form 42 September 2025Common Stock · traded 29 August 2025 · filed 2 September 2025
- ▼ sold on the open market 1,000 shares of SemtechSEC Form 426 June 2025Common Stock · traded 24 June 2025 · filed 26 June 2025
- ▼ sold on the open market 1,000 shares of SemtechSEC Form 426 June 2025Common Stock · traded 24 June 2025 · filed 26 June 2025
- exercised options over 12,004 shares of Semtech (a derivative holding)SEC Form 46 June 2025Restricted Stock Unit · traded 4 June 2025 · filed 6 June 2025
- exercised options over 12,004 shares of SemtechSEC Form 46 June 2025Common Stock · traded 4 June 2025 · filed 6 June 2025
- had shares withheld for tax on 6,096 shares of SemtechSEC Form 46 June 2025Common Stock · traded 4 June 2025 · filed 6 June 2025
- ▼ sold on the open market 2,000 shares of SemtechSEC Form 46 June 2025Common Stock · traded 6 June 2025 · filed 6 June 2025
- was granted 12,004 shares of Semtech (a derivative holding)SEC Form 428 March 2025Restricted Stock Unit · traded 26 March 2025 · filed 28 March 2025
- was granted 29,265 shares of Semtech (a derivative holding)SEC Form 410 March 2025Restricted Stock Unit · traded 6 March 2025 · filed 10 March 2025
- exercised options over 12,137 shares of Semtech (a derivative holding)SEC Form 410 March 2025Restricted Stock Unit · traded 7 March 2025 · filed 10 March 2025
- exercised options over 5,325 shares of Semtech (a derivative holding)SEC Form 410 March 2025Restricted Stock Unit · traded 8 March 2025 · filed 10 March 2025
- exercised options over 12,137 shares of SemtechSEC Form 410 March 2025Common Stock · traded 7 March 2025 · filed 10 March 2025
- had shares withheld for tax on 6,164 shares of SemtechSEC Form 410 March 2025Common Stock · traded 7 March 2025 · filed 10 March 2025
- exercised options over 5,325 shares of SemtechSEC Form 410 March 2025Common Stock · traded 8 March 2025 · filed 10 March 2025
- had shares withheld for tax on 2,705 shares of SemtechSEC Form 410 March 2025Common Stock · traded 8 March 2025 · filed 10 March 2025
- exercised options over 17,773 shares of Semtech (a derivative holding)SEC Form 46 March 2025Restricted Stock Unit · traded 5 March 2025 · filed 6 March 2025
- was granted 4,526 shares of SemtechSEC Form 46 March 2025Common Stock · traded 4 March 2025 · filed 6 March 2025
- was granted 9,930 shares of SemtechSEC Form 46 March 2025Common Stock · traded 4 March 2025 · filed 6 March 2025
- had shares withheld for tax on 5,173 shares of SemtechSEC Form 46 March 2025Common Stock · traded 4 March 2025 · filed 6 March 2025
- exercised options over 17,773 shares of SemtechSEC Form 46 March 2025Common Stock · traded 5 March 2025 · filed 6 March 2025
- had shares withheld for tax on 7,978 shares of SemtechSEC Form 46 March 2025Common Stock · traded 5 March 2025 · filed 6 March 2025
- ▼ sold on the open market 2,000 shares of SemtechSEC Form 417 January 2025Common Stock · traded 15 January 2025 · filed 17 January 2025
- exercised options over 2,365 shares of Semtech (a derivative holding)SEC Form 43 January 2025Restricted Stock Unit · traded 2 January 2025 · filed 3 January 2025
- exercised options over 2,365 shares of SemtechSEC Form 43 January 2025Common Stock · traded 2 January 2025 · filed 3 January 2025
- had shares withheld for tax on 972 shares of SemtechSEC Form 43 January 2025Common Stock · traded 2 January 2025 · filed 3 January 2025
- ▼ sold on the open market 3,002 shares of SemtechSEC Form 410 December 2024Common Stock · traded 6 December 2024 · filed 10 December 2024
- ▼ sold on the open market 998 shares of SemtechSEC Form 410 December 2024Common Stock · traded 6 December 2024 · filed 10 December 2024
- was granted 53,320 shares of Semtech (a derivative holding)SEC Form 410 May 2024Restricted Stock Unit · traded 5 March 2024 · filed 10 May 2024
- exercised options over 12,137 shares of Semtech (a derivative holding)SEC Form 411 March 2024Restricted Stock Unit · traded 7 March 2024 · filed 11 March 2024
- exercised options over 5,325 shares of Semtech (a derivative holding)SEC Form 411 March 2024Restricted Stock Unit · traded 8 March 2024 · filed 11 March 2024
- exercised options over 3,287 shares of Semtech (a derivative holding)SEC Form 411 March 2024Restricted Stock Unit · traded 9 March 2024 · filed 11 March 2024
- exercised options over 12,137 shares of SemtechSEC Form 411 March 2024Common Stock · traded 7 March 2024 · filed 11 March 2024
- had shares withheld for tax on 4,525 shares of SemtechSEC Form 411 March 2024Common Stock · traded 7 March 2024 · filed 11 March 2024
- exercised options over 5,325 shares of SemtechSEC Form 411 March 2024Common Stock · traded 8 March 2024 · filed 11 March 2024
- had shares withheld for tax on 1,900 shares of SemtechSEC Form 411 March 2024Common Stock · traded 8 March 2024 · filed 11 March 2024
- exercised options over 3,287 shares of SemtechSEC Form 411 March 2024Common Stock · traded 9 March 2024 · filed 11 March 2024
- had shares withheld for tax on 1,173 shares of SemtechSEC Form 411 March 2024Common Stock · traded 9 March 2024 · filed 11 March 2024
- was granted 50,412 shares of Semtech (a derivative holding)SEC Form 47 March 2024Restricted Stock Unit · traded 5 March 2024 · filed 7 March 2024
- was granted 2,365 shares of Semtech (a derivative holding)SEC Form 43 January 2024Restricted Stock Unit · traded 2 January 2024 · filed 3 January 2024
- exercised options over 5,324 shares of Semtech (a derivative holding)SEC Form 410 March 2023Restricted Stock Unit · traded 8 March 2023 · filed 10 March 2023
- exercised options over 3,286 shares of Semtech (a derivative holding)SEC Form 410 March 2023Restricted Stock Unit · traded 9 March 2023 · filed 10 March 2023
- exercised options over 5,324 shares of SemtechSEC Form 410 March 2023Common Stock · traded 8 March 2023 · filed 10 March 2023
- had shares withheld for tax on 1,842 shares of SemtechSEC Form 410 March 2023Common Stock · traded 8 March 2023 · filed 10 March 2023
- exercised options over 3,286 shares of SemtechSEC Form 410 March 2023Common Stock · traded 9 March 2023 · filed 10 March 2023
- had shares withheld for tax on 1,137 shares of SemtechSEC Form 410 March 2023Common Stock · traded 9 March 2023 · filed 10 March 2023
- was granted 36,411 shares of Semtech (a derivative holding)SEC Form 49 March 2023Restricted Stock Unit · traded 7 March 2023 · filed 9 March 2023
- exercised options over 5,186 shares of Semtech (a derivative holding)SEC Form 47 March 2023Restricted Stock Unit · traded 3 March 2023 · filed 7 March 2023
- exercised options over 5,186 shares of SemtechSEC Form 47 March 2023Common Stock · traded 3 March 2023 · filed 7 March 2023
- had shares withheld for tax on 1,944 shares of SemtechSEC Form 47 March 2023Common Stock · traded 3 March 2023 · filed 7 March 2023
- ▼ sold on the open market 1,971 shares of SemtechSEC Form 47 June 2022Common Stock · traded 7 June 2022 · filed 7 June 2022
- exercised options over 3,286 shares of Semtech (a derivative holding)SEC Form 411 March 2022Restricted Stock Unit · traded 9 March 2022 · filed 11 March 2022
- exercised options over 3,286 shares of SemtechSEC Form 411 March 2022Common Stock · traded 9 March 2022 · filed 11 March 2022
- had shares withheld for tax on 1,137 shares of SemtechSEC Form 411 March 2022Common Stock · traded 9 March 2022 · filed 11 March 2022
- was granted 15,974 shares of Semtech (a derivative holding)SEC Form 410 March 2022Restricted Stock Unit · traded 8 March 2022 · filed 10 March 2022
- was granted 1,263 shares of SemtechSEC Form 410 March 2022Common Stock · traded 8 March 2022 · filed 10 March 2022
- exercised options over 4,667 shares of Semtech (a derivative holding)SEC Form 48 March 2022Restricted Stock Unit · traded 5 March 2022 · filed 8 March 2022
- exercised options over 4,667 shares of SemtechSEC Form 48 March 2022Common Stock · traded 5 March 2022 · filed 8 March 2022
- had shares withheld for tax on 1,614 shares of SemtechSEC Form 48 March 2022Common Stock · traded 5 March 2022 · filed 8 March 2022
- exercised options over 5,185 shares of Semtech (a derivative holding)SEC Form 43 March 2022Restricted Stock Unit · traded 3 March 2022 · filed 3 March 2022
- exercised options over 5,185 shares of SemtechSEC Form 43 March 2022Common Stock · traded 3 March 2022 · filed 3 March 2022
- had shares withheld for tax on 1,852 shares of SemtechSEC Form 43 March 2022Common Stock · traded 3 March 2022 · filed 3 March 2022
- ▼ sold on the open market 1,000 shares of SemtechSEC Form 414 January 2022Common Stock · traded 14 January 2022 · filed 14 January 2022
- ▼ sold on the open market 1,000 shares of SemtechSEC Form 415 December 2021Common Stock · traded 15 December 2021 · filed 15 December 2021
Positions come from the unitedstates/congress-legislators roster, the Office of Government Ethics and the SEC’s Form 4 index. Every disclosed line names its own source and links the document the government published; we print what the filing says and never a price we did not read from it. Headlines and links come from the GDELT Global Knowledge Graph — the story stays with the publisher. The portrait, where we have one, is the public-domain Congressional Bioguide photograph.