About this data
What it is
When a company's officers, directors or owners of more than 10% buy or sell its stock, they must report the trade to the SEC on Form 4. This feed shows purchases and sales on the open market; stock grants, option exercises and shares withheld for tax are left out.
Who files it
The insider, usually through the company, within two business days of the trade.
How current
We collect new filings throughout the day on SEC business days.
Worth knowing
Sales are often routine: insiders sell to diversify, to pay taxes, or under a 10b5-1 plan set up months in advance. A purchase with their own money is less common, which is why many investors pay closer attention to it.

All of this comes from public filings.

Open-market trades per day, last 30 days

05001,000Oct 17 · Purchases: 0Oct 17 · Sales: 0Oct 17Oct 18 · Purchases: 0Oct 18 · Sales: 0Oct 19 · Purchases: 29Oct 19 · Sales: 159Oct 20 · Purchases: 45Oct 20 · Sales: 209Oct 21 · Purchases: 38Oct 21 · Sales: 183Oct 21Oct 22 · Purchases: 50Oct 22 · Sales: 130Oct 23 · Purchases: 77Oct 23 · Sales: 126Oct 24 · Purchases: 1Oct 24 · Sales: 0Oct 25 · Purchases: 0Oct 25 · Sales: 0Oct 25Oct 26 · Purchases: 60Oct 26 · Sales: 171Oct 27 · Purchases: 27Oct 27 · Sales: 217Oct 28 · Purchases: 44Oct 28 · Sales: 135Oct 29 · Purchases: 35Oct 29 · Sales: 199Oct 29Oct 30 · Purchases: 68Oct 30 · Sales: 270Oct 31 · Purchases: 3Oct 31 · Sales: 0Nov 1 · Purchases: 2Nov 1 · Sales: 0Nov 2 · Purchases: 79Nov 2 · Sales: 826Nov 2Nov 3 · Purchases: 66Nov 3 · Sales: 337Nov 4 · Purchases: 67Nov 4 · Sales: 535Nov 5 · Purchases: 108Nov 5 · Sales: 458Nov 6 · Purchases: 137Nov 6 · Sales: 390Nov 6Nov 7 · Purchases: 0Nov 7 · Sales: 0Nov 8 · Purchases: 0Nov 8 · Sales: 0Nov 9 · Purchases: 110Nov 9 · Sales: 457Nov 10 · Purchases: 97Nov 10 · Sales: 406Nov 10Nov 11 · Purchases: 98Nov 11 · Sales: 330Nov 12 · Purchases: 54Nov 12 · Sales: 167Nov 13 · Purchases: 23Nov 13 · Sales: 28Nov 14 · Purchases: 0Nov 14 · Sales: 0Nov 14Nov 15 · Purchases: 0Nov 15 · Sales: 0
05001,000Oct 17 · Purchases: 0Oct 17 · Sales: 0Oct 17Oct 18 · Purchases: 0Oct 18 · Sales: 0Oct 19 · Purchases: 29Oct 19 · Sales: 159Oct 20 · Purchases: 45Oct 20 · Sales: 209Oct 21 · Purchases: 38Oct 21 · Sales: 183Oct 21Oct 22 · Purchases: 50Oct 22 · Sales: 130Oct 23 · Purchases: 77Oct 23 · Sales: 126Oct 24 · Purchases: 1Oct 24 · Sales: 0Oct 25 · Purchases: 0Oct 25 · Sales: 0Oct 25Oct 26 · Purchases: 60Oct 26 · Sales: 171Oct 27 · Purchases: 27Oct 27 · Sales: 217Oct 28 · Purchases: 44Oct 28 · Sales: 135Oct 29 · Purchases: 35Oct 29 · Sales: 199Oct 29Oct 30 · Purchases: 68Oct 30 · Sales: 270Oct 31 · Purchases: 3Oct 31 · Sales: 0Nov 1 · Purchases: 2Nov 1 · Sales: 0Nov 2 · Purchases: 79Nov 2 · Sales: 826Nov 2Nov 3 · Purchases: 66Nov 3 · Sales: 337Nov 4 · Purchases: 67Nov 4 · Sales: 535Nov 5 · Purchases: 108Nov 5 · Sales: 458Nov 6 · Purchases: 137Nov 6 · Sales: 390Nov 6Nov 7 · Purchases: 0Nov 7 · Sales: 0Nov 8 · Purchases: 0Nov 8 · Sales: 0Nov 9 · Purchases: 110Nov 9 · Sales: 457Nov 10 · Purchases: 97Nov 10 · Sales: 406Nov 10Nov 11 · Purchases: 98Nov 11 · Sales: 330Nov 12 · Purchases: 54Nov 12 · Sales: 167Nov 13 · Purchases: 23Nov 13 · Sales: 28Nov 14 · Purchases: 0Nov 14 · Sales: 0Nov 14Nov 15 · Purchases: 0Nov 15 · Sales: 0

Purchases Sales

By trade date. Insiders have two business days to file, so the most recent days fill in later.

Latest open-market insider trades

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Showing: ticker KOD

Latest open-market insider trades
TradedInsiderCompanyTypeSharesPriceValueFiling
Nov 5, 2026Baker Bros. Advisors LP
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy81,729$98.51$8.1M BuyForm 4 ↗
Nov 5, 2026Baker Bros. Advisors LP
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy4,703$98.51$463.3K BuyForm 4 ↗
Nov 4, 2026Baker Bros. Advisors LP
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy151,916$98.51$15.0M BuyForm 4 ↗
Nov 4, 2026Baker Bros. Advisors LP
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy8,742$98.51$861.2K BuyForm 4 ↗
Oct 21, 2026John A. Borgeson
Chief Financial Officer
KOD
Kodiak Sciences Inc
Sale100$94.91$9,491 SaleForm 4 ↗
Oct 21, 2026John A. Borgeson
Chief Financial Officer
KOD
Kodiak Sciences Inc
Sale2,000$93.71$187.4K SaleForm 4 ↗
Oct 21, 2026John A. Borgeson
Chief Financial Officer
KOD
Kodiak Sciences Inc
Sale2,000$92.66$185.3K SaleForm 4 ↗
Oct 21, 2026John A. Borgeson
Chief Financial Officer
KOD
Kodiak Sciences Inc
Sale2,985$91.76$273.9K SaleForm 4 ↗
Oct 21, 2026John A. Borgeson
Chief Financial Officer
KOD
Kodiak Sciences Inc
Sale5,101$90.98$464.1K SaleForm 4 ↗
Oct 21, 2026John A. Borgeson
Chief Financial Officer
KOD
Kodiak Sciences Inc
Sale7,623$89.74$684.1K SaleForm 4 ↗
Oct 21, 2026John A. Borgeson
Chief Financial Officer
KOD
Kodiak Sciences Inc
Sale1,677$89.20$149.6K SaleForm 4 ↗
Oct 21, 2026John A. Borgeson
Chief Financial Officer
KOD
Kodiak Sciences Inc
Sale8,514$87.67$746.4K SaleForm 4 ↗
Sep 29, 2026667, L.P.
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy1,416$85.89$121.6K BuyForm 4 ↗
Sep 29, 2026667, L.P.
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy84$85.89$7,215 BuyForm 4 ↗
Sep 29, 2026667, L.P.
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy20,031$85.40$1.7M BuyForm 4 ↗
Sep 29, 2026667, L.P.
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy1,195$85.40$102.1K BuyForm 4 ↗
Sep 29, 2026667, L.P.
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy10,381$84.24$874.5K BuyForm 4 ↗
Sep 29, 2026667, L.P.
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy619$84.24$52.1K BuyForm 4 ↗
Sep 28, 2026667, L.P.
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy196,608$89.86$17.7M BuyForm 4 ↗
Sep 28, 2026667, L.P.
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy11,729$89.86$1.1M BuyForm 4 ↗
Sep 28, 2026667, L.P.
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy82,673$89.60$7.4M BuyForm 4 ↗
Sep 28, 2026667, L.P.
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy4,932$89.60$441.9K BuyForm 4 ↗
Sep 28, 2026667, L.P.
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy107,772$88.65$9.6M BuyForm 4 ↗
Sep 28, 2026667, L.P.
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy6,428$88.65$569.8K BuyForm 4 ↗
Sep 28, 2026667, L.P.
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy98,561$88.57$8.7M BuyForm 4 ↗
Sep 28, 2026667, L.P.
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy5,880$88.57$520.8K BuyForm 4 ↗
Sep 28, 2026667, L.P.
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy75,176$87.51$6.6M BuyForm 4 ↗
Sep 28, 2026667, L.P.
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy4,485$87.51$392.5K BuyForm 4 ↗
Sep 28, 2026667, L.P.
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy63,539$86.94$5.5M BuyForm 4 ↗
Sep 28, 2026667, L.P.
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy3,790$86.94$329.5K BuyForm 4 ↗
Sep 28, 2026667, L.P.
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy16,036$86.81$1.4M BuyForm 4 ↗
Sep 28, 2026667, L.P.
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy957$86.81$83.1K BuyForm 4 ↗
Sep 28, 2026667, L.P.
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy3,114$86.72$270.0K BuyForm 4 ↗
Sep 28, 2026667, L.P.
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy186$86.72$16.1K BuyForm 4 ↗
Sep 28, 2026Julian Baker
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy38,932$85.97$3.3M BuyForm 4 ↗
Sep 28, 2026Julian Baker
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy2,322$85.97$199.6K BuyForm 4 ↗
Sep 28, 2026Julian Baker
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy109,842$84.85$9.3M BuyForm 4 ↗
Sep 28, 2026Julian Baker
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy6,553$84.85$556.0K BuyForm 4 ↗
Sep 28, 2026Julian Baker
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy123,888$83.95$10.4M BuyForm 4 ↗
Sep 28, 2026Julian Baker
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy7,390$83.95$620.4K BuyForm 4 ↗
Sep 28, 2026Julian Baker
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy19,554$83.16$1.6M BuyForm 4 ↗
Sep 28, 2026Julian Baker
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy1,167$83.16$97.0K BuyForm 4 ↗
Sep 28, 2026Julian Baker
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy1,699$82.68$140.5K BuyForm 4 ↗
Sep 28, 2026Julian Baker
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy101$82.68$8,351 BuyForm 4 ↗
Sep 28, 2026Julian Baker
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy651$81.92$53.3K BuyForm 4 ↗
Sep 28, 2026Julian Baker
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy39$81.92$3,195 BuyForm 4 ↗
Sep 28, 2026Julian Baker
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy28,028$81.82$2.3M BuyForm 4 ↗
Sep 28, 2026Julian Baker
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy1,672$81.82$136.8K BuyForm 4 ↗
Sep 28, 2026Julian Baker
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy17,490$81.31$1.4M BuyForm 4 ↗
Sep 28, 2026Julian Baker
Director, 10% owner
KOD
Kodiak Sciences Inc
Buy1,044$81.31$84.9K BuyForm 4 ↗

The newest 50 items, most recent first. Every row links to its original filing. Updated Nov 15, 2026, 6:24 PM EST.

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