Every Form 4 that Silicon Laboratories Inc (SLAB) 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 SLAB 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 SLAB filings page.
SILICON LABORATORIES INC. (SLAB) reported an open-market sale of common stock by senior vice president and general manager Robert J. Conrad. On 2026-08-14, he sold 6,581 shares of common stock at a per-share price of $218.21, leaving him with 23,815 shares held directly after the transaction. The company notes that these shares were sold pursuant to Conrad's Rule 10b5-1 Trading Plan, indicating the trades were executed under a pre-arranged plan.
SILICON LABORATORIES INC. Senior Vice President and CFO Dean Warren Butler reported a routine tax-related share disposition. On the reported date, 6,291 shares of common stock were withheld to cover taxes due upon vesting of a previously reported equity award, rather than sold in the open market. After this withholding, Butler directly holds 43,767 shares of Silicon Labs common stock.
Silicon Laboratories Inc. executive reports routine tax withholding. Sr VP and General Manager Robert J. Conrad had 3,653 shares of common stock withheld on 2026-05-15 to cover taxes upon vesting of a previously reported equity award at an indicated price of $216.59 per share. After this non-market tax-withholding disposition, he directly holds 30,396 shares of Silicon Laboratories common stock.
SILICON LABORATORIES INC. President & CEO Robert Matthew Johnson reported an open-market sale of 8,024 shares of common stock at $216.83 per share on May 18, 2026, leaving him with 80,519 directly held shares.
On May 15, 2026, 10,363 shares were disposed of at $216.59 per share to cover taxes upon the vesting of a previously reported equity award, a tax-withholding event rather than a market sale.
SILICON LABORATORIES INC. Chief Accounting Officer Mark D. Mauldin reported a routine tax-related share disposition. On May 15, 2026, 858 shares of common stock were withheld at $216.59 per share to cover taxes upon vesting of a previously reported equity award. After this withholding, Mauldin directly holds 21,090 shares of common stock. This was a tax-withholding event, not an open-market sale or purchase.
Silicon Laboratories Inc. senior vice president of worldwide sales and marketing Brandon Tolany reported a routine tax-related share disposition. On May 15, 2026, 4,160 shares of common stock were withheld at $216.59 per share to cover taxes upon vesting of a previously reported equity award. Following this withholding, Tolany directly holds 66,935 shares of Silicon Labs common stock. This event reflects compensation-related tax withholding, not an open-market sale.
Silicon Laboratories Inc. Chief Accounting Officer Mark D. Mauldin acquired 18 shares of common stock on the issuer’s employee purchase date at a price of $86.46 per share. After this transaction, he directly holds 21,948 common shares.
The shares were acquired through Silicon Laboratories’ 2009 Employee Stock Purchase Plan in a transaction described as exempt under Rule 166-3(c) and Rule 166-3(d), indicating this was a routine, compensation-related purchase rather than an open-market trade.
Silicon Laboratories Inc. senior vice president of worldwide sales and marketing Brandon Tolany acquired 45 shares of common stock on the most recent semi-annual purchase date. The shares were obtained at $86.46 per share through the company’s 2009 Employee Stock Purchase Plan in a transaction described as a grant or award acquisition. After this routine plan-based acquisition, Tolany directly owns 71,095 shares of Silicon Laboratories common stock.
SILICON LABORATORIES INC. Senior Vice President and CFO Dean Warren Butler acquired additional common stock through the company’s 2009 Employee Stock Purchase Plan. He received 152 shares of common stock at $86.46 per share on the most recent semi-annual purchase date, bringing his directly held stake to 50,058 shares. The acquisition is described as a transaction exempt under Rule 166-3(c) and Rule 166-3(d), indicating it is a routine, compensation-related share purchase rather than an open-market trade.
Wyatt Christy reported acquisition or exercise transactions in this Form 4 filing.
SILICON LABORATORIES INC. director Christy Wyatt received a grant of 962 restricted stock units (RSUs), each representing one share of common stock. After this award, Wyatt directly holds 9,454 common shares. The RSUs will fully vest on the earlier of the first anniversary of the grant date or one day before the next year’s Annual Meeting of Stockholders.
Silicon Laboratories Inc. director Navdeep S. Sooch received an equity grant through restricted stock units. The award covers 1,226 RSUs, each convertible into one share of common stock. All RSUs vest on the earlier of the first anniversary of the grant date or one day before the next year’s Annual Meeting of Stockholders. After this grant, Sooch directly holds 401,502 shares of Silicon Laboratories common stock, showing this is a routine compensation-related acquisition rather than an open-market purchase.
Sadana Sumit reported acquisition or exercise transactions in this Form 4 filing.
SILICON LABORATORIES INC. director Sumit Sadana received a grant of 962 restricted stock units (RSUs) of common stock at no cash cost. Each RSU represents the right to receive one share of common stock.
The RSUs will vest in full on the earlier of the first anniversary of the grant date or one day before the company’s next Annual Meeting of Stockholders. After this award, Sadana directly holds 9,982 shares of Silicon Labs common stock, reflecting a modest, compensation-related increase in his equity stake.
Richardson Nina reported acquisition or exercise transactions in this Form 4 filing.
Silicon Laboratories Inc. director Nina Richardson received a grant of 962 restricted stock units (RSUs) of common stock. The RSUs entitle her to one share of common stock for each unit, at no purchase price.
The RSUs will vest in full on the earlier of the first anniversary of the grant date or one day before the company’s next Annual Meeting of Stockholders in the following year. After this compensation-related award, Richardson holds 9,505 shares of Silicon Laboratories common stock directly.
BOCK WILLIAM G reported acquisition or exercise transactions in this Form 4 filing.
Silicon Laboratories Inc. director William G. Bock reported an equity compensation grant. He received 962 shares of common stock in the form of restricted stock units on April 23, 2026, at a stated price of $0.00 per share.
Each RSU entitles him to one share of common stock. The RSUs will vest in full on the earlier of the first anniversary of the grant date or one day prior to the company’s next Annual Meeting of Stockholders following the grant. After this award, Bock directly holds 33,920 shares of common stock.
LOWE GREGG A reported acquisition or exercise transactions in this Form 4 filing.
SILICON LABORATORIES INC. director Gregg A. Lowe received a grant of 962 restricted stock units (RSUs), each representing one share of common stock. The RSUs vest in full on the earlier of the first anniversary of the grant date or one day before the next Annual Meeting of Stockholders. Following this award, Lowe directly holds 14,956 shares of common stock.
Luther Sherri R reported acquisition or exercise transactions in this Form 4 filing.
Silicon Laboratories Inc. director Sherri R. Luther received an equity award in the form of restricted stock units. The grant covers 962 RSUs, each convertible into one share of common stock. These RSUs vest in full on the earlier of the first anniversary of the grant date or the day before the next year’s Annual Meeting of Stockholders.
After this award, Luther directly holds 6,701 shares of Silicon Labs common stock. This is a compensation-related grant, not an open-market stock purchase or sale.
Silicon Laboratories’ Chief Accounting Officer Mark D. Mauldin reported routine equity compensation changes. On February 15, 2026, he acquired 3,153 restricted stock units (RSUs) at $0 per share, which will vest in three equal annual installments under the company’s 2009 Stock Incentive Plan.
On February 13, 2026, 356 shares of common stock at $207.27 per share were disposed of to cover taxes upon vesting of a prior award. Following these transactions, he directly beneficially owned 21,930 shares of Silicon Laboratories common stock.
Silicon Laboratories Inc. executive Brandon Tolany reported an equity award of 8,669 shares of common stock. The Form 4 shows a grant coded as an acquisition at a price of $0 per share, increasing his directly held stake to 71,050 common shares.
The award is in the form of restricted stock units (RSUs), with each RSU convertible into one share of common stock. One-third of the RSUs will vest on each of the first three anniversaries of the February 15, 2026 grant date under the company’s 2009 Stock Incentive Plan.
Silicon Laboratories senior vice president and general manager Robert J. Conrad received an equity grant in the form of 8,669 shares of common stock on February 15, 2026. These were awarded at a price of $0 per share as part of his compensation.
The award consists of restricted stock units that each convert into one share of common stock. One-third of the RSUs will vest on each of the first three anniversaries of the grant date under Silicon Laboratories’ 2009 Stock Incentive Plan. Following this grant, Conrad directly holds 34,049 shares of Silicon Laboratories common stock.
Johnson Robert Matthew reported acquisition or exercise transactions in a Form 4 filing for SLAB. The filing lists transactions totaling 25,218 shares. Following the reported transactions, holdings were 98,906 shares.
Butler Dean Warren reported acquisition or exercise transactions in a Form 4 filing for SLAB. The filing lists transactions totaling 11,033 shares. Following the reported transactions, holdings were 49,906 shares.
Silicon Laboratories director Nina Richardson reported a planned stock sale. On 01/13/2026, she sold 1,355 shares of Silicon Laboratories common stock at $149 per share, in an open-market transaction coded as a sale.
The filing notes that the shares were sold pursuant to Richardson's Rule 10b5-1 trading plan, which is a pre-arranged program for buying or selling stock. After this transaction, she beneficially owned 8,543 shares of Silicon Laboratories common stock directly.
Silicon Laboratories (SLAB) reported an insider purchase by its Sr VP WW Sales & Marketing, Brandon Tolany. On 10/31/2025, he acquired 53 shares of common stock at $86.46 per share through the company’s Employee Stock Purchase Plan, a transaction coded “A.”
Following this purchase, his beneficial ownership stands at 62,381 shares, held directly.