SiTime CEO Files Form 144 to Sell 20,000 Shares in May
1h ago|4 min readStandard
Fazen Markets Editorial Desk
Collective editorial team · methodology
sitimeform-144
Fazen Markets Editorial Desk
Collective editorial team · methodology
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SiTime Corporation CEO and Director Rajesh Vashist filed a Form 144 with the Securities and Exchange Commission on 29 May 2026, indicating an intent to sell 20,000 shares of company stock. Based on the stock's closing price of $89.85 the previous day, the planned sale has a market value of approximately $1.8 million. The filing represents a routine transaction for executive compensation and portfolio management, but its scale and timing offer a window into insider sentiment as the semiconductor cycle evolves. The transaction follows the CEO's standard pattern of scheduled sales, which are communicated to investors through these mandatory regulatory disclosures.
Insider selling via Form 144 filings is a standard mechanism for officers, directors, and major shareholders to register their intent to sell restricted or control securities. The form itself is a notice of proposed sale, not a record of a completed transaction, though filings are typically executed promptly. For SiTime, a leader in precision MEMS timing chips, this activity occurs against a backdrop of cautious optimism for a semiconductor recovery in late 2026.
The current macro environment features the Federal Reserve holding its benchmark rate steady at 4.75%, with market expectations for a potential cut by year-end. The 10-year Treasury yield stands at 4.1%, providing a stable but elevated cost of capital for growth companies. The Philadelphia Semiconductor Index has gained 12% year-to-date, indicating a rebound from the prior year's inventory correction.
The catalyst for increased scrutiny of insider activity is the inflection point in the semiconductor cycle. After a prolonged period of inventory digestion across consumer electronics and enterprise hardware, lead times for key components are stabilizing. For SiTime, whose chips are critical for synchronization in 5G infrastructure, data centers, and automotive systems, investor focus has shifted from survival to the trajectory of the recovery.
The filing specifies a sale of exactly 20,000 shares. At SiTime's closing price of $89.85 on 28 May, the transaction is valued at $1,797,000. Following this sale, Vashist’s direct holdings will decrease, though he retains significant ownership through other vehicles. Year-to-date, SiTime's stock is up 18%, outperforming the broader SOX index's 12% gain but underperforming some AI-focused semiconductor peers like NVIDIA, which has surged over 40%.
| Metric | Value |
|---|---|
| Shares Filed for Sale | 20,000 |
| Price per Share (28 May Close) | $89.85 |
| Total Market Value | ~$1.8M |
| SiTime Market Cap (28 May) | ~$4.3B |
Insider selling at SiTime has been modest in 2026. Prior to this filing, aggregate insider sales for the year totaled approximately 85,000 shares, a figure dwarfed by the over 1.2 million shares sold by insiders in the same period of 2025 when the stock traded above $120. The current sale represents about 0.05% of SiTime's total outstanding shares of roughly 47.8 million.
The sale's primary second-order effect is on sentiment for the precision timing chip subsector. While a single planned sale is not a sell signal, a cluster of similar filings from multiple executives could indicate a consensus view that valuations are full in the near term. This places slight downward pressure on peers like TXC Corporation and Microchip Technology, which compete in timing solutions, though their broader product portfolios provide insulation.
Investors in semiconductor capital equipment may interpret the sale as a neutral-to-cautious signal for the timing of a broad-based capex recovery. Companies like Applied Materials and ASML rely on strong end-demand from chipmakers like SiTime’s customers to drive equipment orders. A key risk to the analysis is that Form 144 sales are often pre-planned for tax or liquidity reasons and may not reflect a bearish outlook on the stock.
Positioning data from the options market shows a slight increase in put volume for SiTime following the filing, suggesting some traders are hedging against short-term downside. Institutional flow, however, remains balanced, with no major block trades reported. Long-term holders appear focused on SiTime's design-win momentum in the automotive and industrial sectors, areas less sensitive to consumer cyclicality.
Market participants will monitor the SEC's EDGAR database for the Form 4 filing that confirms the actual execution of the sale, expected within 90 days of the Form 144. The price and volume of that transaction will provide concrete data on the CEO's selling discipline.
The next significant catalyst for SiTime is its Q2 2026 earnings report, scheduled for late July. Analysts will scrutinize guidance for Q3, particularly gross margin trends and commentary on inventory levels at key distributors. The Fazen Markets semiconductor outlook report, due 15 June, will provide broader sector context.
Key technical levels for SITM stock include immediate support at the 50-day moving average of $86.50 and stronger support at the $80 level, which has held twice in 2026. A sustained break above the recent high of $94.20 on strong volume would likely neutralize concerns from the insider filing.
A Form 144 is a mandatory SEC filing submitted by corporate insiders—such as officers, directors, and major shareholders—to declare their intent to sell restricted or control securities. It is not a record of a completed sale but a notice of a proposed transaction. The filing requires the seller to adhere to specific volume, manner of sale, and public information conditions, ensuring the market is informed of potential supply before the trade occurs.
Insider selling at SiTime in 2026 has been markedly lower than in 2025. Last year, during a period of elevated stock prices above $120, insiders sold over 1.2 million shares. The 20,000-share filing in May 2026 represents a significantly reduced pace, suggesting that current levels are not viewed with the same urgency to monetize holdings. Historical data shows selling often clusters after lock-up expirations or following significant stock price run-ups.
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