Kodiak Sciences Inc. insider trading
Every open-market purchase and sale by Kodiak Sciences Inc.'s officers, directors and largest shareholders since November 4, 2021, and what the share price did next.
| Date | Insider | Trade | Shares | Price | Value | 1M after | 3M after | 6M after |
|---|
Does following Kodiak Sciences Inc.’s insiders pay?
From December 6, 2019 to September 30, 2026, 10 insiders reported 25 open-market purchases and 3 sales not made under a pre-set plan in Kodiak Sciences Inc. Twelve months after each purchase was reported, the shares were −11.3% against the S&P 500 on average (median −16.2%), over 21 purchases with a full year of prices; 38% beat the index. After sales, the shares moved −62.1% against the index over 12 months (a negative figure means selling was the right call). Buying each purchase the day after it was reported, an equal amount each, held 12 months or until that insider reported a sale, would have turned $10,000 on December 9, 2019 into $5,262 by November 2, 2026, −8.9% a year. It held shares 63% of the time; the S&P 500 on those same days, with Treasury bills otherwise, made $18,117 (+9.0% a year), and held throughout $26,637 (+15.3%).
| Insider | Role | Purchases | 12 months after their purchases | Beat the S&P 500 | Sales | 12 months after their sales | Latest report |
|---|---|---|---|---|---|---|---|
| Baker Brothers Life Sciences LP | Director | 7 | −43.3% (6) | 17% | 0 | — | December 19, 2025 |
| Baker Felix | Director | 5 | +31.0% (5) | 60% | 0 | — | May 27, 2022 |
| Baker Bros. Advisors (gp) LLC | Director | 4 | −58.3% (3) | 0% | 0 | — | September 30, 2026 |
| Baker Bros. Advisors LP | Director | 3 | −39.7% (3) | 33% | 0 | — | January 31, 2022 |
| Baker Julian | Director | 3 | +74.3% (2) | 100% | 0 | — | September 30, 2026 |
| 667, L.P. | Director | 2 | −83.3% (1) | 0% | 0 | — | September 30, 2026 |
| Borgeson John A. | See Remarks | 0 | — | — | 1 | −82.3% (1) | June 15, 2021 |
| Ehrlich Jason | See Remarks | 0 | — | — | 1 | −82.3% (1) | June 15, 2021 |
| Levy Richard S | Director | 1 | +96.9% (1) | 100% | 0 | — | March 24, 2020 |
| Perlroth Victor | Chairman and CEO | 0 | — | — | 1 | −21.7% (1) | February 28, 2022 |
When several insiders traded Kodiak Sciences Inc.
Months when 2 or more insiders became net buyers, or 3 or more net sellers, of Kodiak Sciences Inc. in reports dated in the 91 days before the month end, and how the stock did against the S&P 500 from that month end. After the 4 buying crowds with six months of prices, it averaged −7.8% against the index. One company's history is too short to judge by; the test across every company is the better guide.
| Month | Crowd | 3 months on, vs S&P 500 | 6 months | 12 months |
|---|---|---|---|---|
| February 28, 2022 | 3 buying | −15.3% | +32.6% | −17.8% |
| August 31, 2021 | 3 buying | −3.7% | −88.2% | −78.1% |
| September 30, 2020 | 4 buying | +144.0% | +63.7% | +32.2% |
| February 28, 2020 | 2 buying | −2.3% | −39.4% | +76.8% |