Baker Bros. Advisors LP bought $35M of KOD
director, owner at Kodiak Sciences Inc.. 418,323 shares at an average of $83.58, traded Sep 28, 2026, filed Sep 30, 2026.
Score components
- +15RoleDirector
- +25Trade size$35.0M at market
- +6Relative to holdingsHoldings up 26%
- 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 0001193125-26-409118, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +534 | $79.40 | $42k | 1,606,426 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +8,956 | $79.40 | $711k | 19,130,090 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +17 | $79.63 | $1,354 | 1,606,443 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +283 | $79.63 | $23k | 19,130,373 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +884 | $79.71 | $70k | 1,607,327 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +14,827 | $79.71 | $1.2M | 19,145,200 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +404 | $80.23 | $32k | 1,607,731 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +6,783 | $80.23 | $544k | 19,151,983 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +61 | $80.52 | $4,912 | 1,607,792 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +1,027 | $80.52 | $83k | 19,153,010 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +1,024 | $81.02 | $83k | 1,608,816 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +17,159 | $81.02 | $1.4M | 19,170,169 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +338 | $81.20 | $27k | 1,609,154 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +5,654 | $81.20 | $459k | 19,175,823 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +1,044 | $81.31 | $85k | 1,610,198 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +17,490 | $81.31 | $1.4M | 19,193,313 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +1,672 | $81.82 | $137k | 1,611,870 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +28,028 | $81.82 | $2.3M | 19,221,341 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +39 | $81.92 | $3,195 | 1,611,909 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +651 | $81.92 | $53k | 19,221,992 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +101 | $82.68 | $8,351 | 1,612,010 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +1,699 | $82.68 | $140k | 19,223,691 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +1,167 | $83.16 | $97k | 1,613,177 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +19,554 | $83.16 | $1.6M | 19,243,245 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +7,390 | $83.95 | $620k | 1,620,567 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +123,888 | $83.95 | $10M | 19,367,133 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +6,553 | $84.85 | $556k | 1,627,120 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +109,842 | $84.85 | $9.3M | 19,476,975 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +2,322 | $85.97 | $200k | 1,629,442 | 13 d ago |
| Sep 28, 2026 | POpen-market purchase Common Stockindirect: See Footnotes | +38,932 | $85.97 | $3.3M | 19,515,907 | 13 d ago |
Related signals
Other insiders at Kodiak Sciences Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 50Moderate | KODbuy Kodiak Sciences Inc. | Baker Bros. Advisors LP director, owner | $59M 807,840 shares | +52% | |
| 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.