Real-time feed of open-market stock purchases and sales by corporate executives, directors, and 10% beneficial owners verified against official SEC Form 4 filings.
| Recency | Stock | Insider | Role | Type | Shares | Price | Total Value | SEC Form 4 | Actions |
|---|---|---|---|---|---|---|---|---|---|
| Today 2026-11-05 |
ISRG
🐋 Whale
Intuitive Surgical, Inc.
|
GUTHART GARY S | Director | arrow_downward SELL | -10,000 | $457.34 | $4.57M | open_in_new Form 4 | |
| Today 2026-11-05 |
Intuitive Surgical, Inc.
|
BARRATT CRAIG H | Director | arrow_downward SELL | -1,150 | $460.00 | $529.0K | open_in_new Form 4 | |
| 3d ago 2026-11-02 |
Intuitive Surgical, Inc.
|
Brosius Mark | EVP & Chief Mfg and Supply… | arrow_downward SELL | -63 | $453.60 | $28.6K | open_in_new Form 4 | |
| 3d ago 2026-11-02 |
Intuitive Surgical, Inc.
|
Brosius Mark | EVP & Chief Mfg and Supply… | arrow_downward SELL | -61 | $447.85 | $27.3K | open_in_new Form 4 | |
| 3d ago 2026-11-02 |
ISRG
🐋 Whale
Intuitive Surgical, Inc.
|
Widman Fredrik | VP Corporate Controller | arrow_downward SELL | -5,448 | $436.06 | $2.38M | open_in_new Form 4 | |
| 1w ago 2026-10-28 |
Intuitive Surgical, Inc.
|
Brosius Mark | EVP & Chief Mfg and Supply… | arrow_downward SELL | -61 | $441.60 | $26.9K | open_in_new Form 4 | |
| 1w ago 2026-10-28 |
Intuitive Surgical, Inc.
|
Brosius Mark | EVP & Chief Mfg and Supply… | arrow_downward SELL | -61 | $451.63 | $27.5K | open_in_new Form 4 | |
| 1w ago 2026-10-28 |
Intuitive Surgical, Inc.
|
Brosius Mark | EVP & Chief Mfg and Supply… | arrow_downward SELL | -61 | $451.75 | $27.6K | open_in_new Form 4 | |
| 1w ago 2026-10-26 |
Intuitive Surgical, Inc.
|
BARRATT CRAIG H | Director | arrow_downward SELL | -1,150 | $443.80 | $510.4K | open_in_new Form 4 | |
| 1w ago 2026-10-26 |
ISRG
🐋 Whale
Intuitive Surgical, Inc.
|
Widman Fredrik | VP Corporate Controller | arrow_downward SELL | -4,047 | $453.21 | $1.83M | open_in_new Form 4 | |
| 1w ago 2026-10-26 |
Intuitive Surgical, Inc.
|
WADORS PATRICIA L | SVP Chief Human Resources … | arrow_downward SELL | -1,078 | $443.80 | $478.4K | open_in_new Form 4 | |
| 1w ago 2026-10-26 |
ISRG
🐋 Whale
Intuitive Surgical, Inc.
|
GUTHART GARY S | Director | arrow_downward SELL | -20,095 | $451.61 | $9.08M | open_in_new Form 4 |
Under Section 16(a) of the Securities Exchange Act of 1934, corporate insiders—executives, directors, and beneficial owners holding greater than 10% of any registered equity class—must report changes in stock ownership within two business days. Not all filings carry equal predictive value. Tickzen automatically categorizes transactions using the official SEC Table I code matrix:
| SEC Code | Transaction Type | Capital Outlay | Signal Direction | Predictive Significance & Institutional Rationale |
|---|---|---|---|---|
| Code P | Open-Market Purchase | Discretionary (Personal Cash) | ▲ High Bullish | The insider commits their own capital to buy shares at current market prices. Strongest positive conviction signal. |
| Code S | Open-Market Sale | Discretionary (Disposition) | ▼ Variable / Caution | Discretionary disposition of shares. Often executed for tax planning, estate diversification, or pre-set Rule 10b5-1 plans; heavy clustered selling warrants caution. |
| Code A | Grant or Award | Non-Discretionary (Equity Comp) | ● Neutral | Restricted Stock Units (RSUs) or performance shares granted by compensation committees. Reflects compensation, not independent buying. |
| Code M | Option Exercise | Contractual Conversion | ● Neutral / Plan | Conversion of stock options into shares, commonly paired with an immediate cashless open-market sale (Code S) to pay exercise fees and taxes. |
| Code F | Tax Withholding | Mandatory Administrative | ● Neutral | Automatic surrender of shares to the issuing company to pay statutory income tax liabilities upon equity vesting. |
| Code G | Bona Fide Gift | Non-Market Transfer | ● Neutral | Charitable contribution or private transfer of shares to family trusts, non-profit institutions, or estate planning vehicles. |
When 3 or more distinct corporate insiders purchase company stock within a 10-day window, academic studies show a statistically significant abnormal return over the subsequent 3 to 12 months compared to solitary executive purchases.
Chief Executive Officers (CEO) and Chief Financial Officers (CFO) possess daily operational oversight of sales pipelines and cost structures. Their discretionary purchases carry a much higher predictive signal than passive 10% hedge fund allocations.
