Baker Bros. Advisors LP bought $59M of KOD
director, owner at Kodiak Sciences Inc.. 807,840 shares at an average of $72.57, traded Sep 28, 2026, filed Sep 30, 2026.
Score components
- +15RoleDirector
- +25Trade size$58.6M at market
- +10Relative to holdingsHoldings up 52%
- 0Price contextNo price history yet
- 0ClusterNo other insider buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001193125-26-409116, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +856 | $61.21 | $52k | 1,561,270 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +14,344 | $61.21 | $878k | 18,373,116 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +2,666 | $61.63 | $164k | 1,563,936 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +44,690 | $61.63 | $2.8M | 18,417,806 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +243 | $62.96 | $15k | 1,564,179 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +4,067 | $62.96 | $256k | 18,421,873 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +479 | $64.43 | $31k | 1,564,658 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +8,021 | $64.43 | $517k | 18,429,894 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +321 | $67.10 | $22k | 1,564,979 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +5,382 | $67.10 | $361k | 18,435,276 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +154 | $68.37 | $11k | 1,565,133 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +2,585 | $68.37 | $177k | 18,437,861 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +2,331 | $68.96 | $161k | 1,567,464 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +39,066 | $68.96 | $2.7M | 18,476,927 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +1,056 | $71.48 | $75k | 1,568,520 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +17,698 | $71.48 | $1.3M | 18,494,625 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +16,641 | $72.39 | $1.2M | 1,585,161 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +278,978 | $72.39 | $20M | 18,773,603 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +4,696 | $73.08 | $343k | 1,589,857 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +78,726 | $73.08 | $5.8M | 18,852,329 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +4,577 | $73.97 | $339k | 1,594,434 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +76,723 | $73.97 | $5.7M | 18,929,052 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +1,924 | $75.52 | $145k | 1,596,358 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +32,261 | $75.52 | $2.4M | 18,961,313 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +3,681 | $76.35 | $281k | 1,600,039 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +61,700 | $76.35 | $4.7M | 19,023,013 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +2,884 | $77.43 | $223k | 1,602,923 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +48,350 | $77.43 | $3.7M | 19,071,363 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +2,969 | $78.57 | $233k | 1,605,892 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +49,771 | $78.57 | $3.9M | 19,121,134 | 13 d ago |
Related signals
Other insiders at Kodiak Sciences Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 46Moderate | KODbuy Kodiak Sciences Inc. | Baker Bros. Advisors LP director, owner | $35M 418,323 shares | +26% | |
| 46Moderate | KODbuy Kodiak Sciences Inc. | Baker Bros. Advisors LP director, owner | $63M 715,592 shares | +44% | |
| 17Weak | Kodiak Sciences Inc. | John A. Borgeson Chief Financial Officer | $1.0M 30,000 shares | -12% | |
| 17Weak | Kodiak Sciences Inc. | John A. Borgeson Chief Financial Officer | $1.2M 30,000 shares | -14% | |
| 50Moderate | KODbuy Kodiak Sciences Inc. | Baker Bros. Advisors LP director, owner | $60M 2,608,696 shares | +194% | |
| 0Weak | Kodiak Sciences Inc. | John A. Borgeson See Remarks | $2,640 723 shares | -0% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.