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Nasdaq · CIK 0001468748

KOD Kodiak Sciences Inc.

Insider trading from SEC Form 4. Last filing 13 d ago. Close $99.87 on Oct 9, 2026, +761% from the 52-week low and 0% from the high.

Kodiak Sciences Inc. (KOD) has 20 SEC Form 4 filings on file from 2 insiders, the latest filed on Sep 30, 2026. In the last 90 days insiders made 3 open-market buys worth $157M and 0 open-market sells worth $0, net +$157M.

7 open-market trades have been scored at KOD. The newest: Baker Bros. Advisors LP (director and 10% owner) bought $59M of stock on Sep 28, 2026, filed Sep 30, 2026, scored 50 (moderate). The largest of the 7 shown: Baker Bros. Advisors LP (director and 10% owner) bought $63M on Sep 28, 2026, scored 46 (moderate).

KOD closed at $99.87 on Oct 9, 2026, 761% above its 52-week low and at a 52-week high.

2 Form 144 notices of planned sales are on file, the latest filed Jun 4, 2026.

Last 90 days

Net insider value
+$157M
more bought than sold
Buys
3
$157M by 1 insider
Sells
0
$0 by 0 insiders
Insiders on file
2
with a Form 4 at this company

Price and insider trades, last year

KODOct 9, 2026 · close 99.87

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

Open-market buys and sells at Kodiak Sciences Inc., scored.

ScoreInsiderValueHoldingsPrice contextFiled
50ModerateBaker Bros. Advisors LP
director, owner
buy
$59M
807,840 shares
+52%-
46ModerateBaker Bros. Advisors LP
director, owner
buy
$35M
418,323 shares
+26%-
46ModerateBaker Bros. Advisors LP
director, owner
buy
$63M
715,592 shares
+44%-
17WeakJohn A. Borgeson
Chief Financial Officer
sell
$1.0M
30,000 shares
-12%+868% from low-26% from high
17WeakJohn A. Borgeson
Chief Financial Officer
sell
$1.2M
30,000 shares
-14%+1872% from low-5% from high
50ModerateBaker Bros. Advisors LP
director, owner
buy
$60M
2,608,696 shares
+194%+1181% from low-2% from high
0WeakJohn A. Borgeson
See Remarks
sell
$2,640
723 shares
-0%+72% from low-67% from high

Planned sales

Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales

FiledSellerSharesValueSale datePast 3 months
Jun 4, 2026 JOHN BORGESON
Officer
30,000
0.05% of outstanding
$1.0MJun 4, 2026$1.2M
Apr 2, 2026 JOHN BORGESON
Officer
30,000
0.05% of outstanding
$1.3MApr 2, 2026none

Transactions

The newest 50 of 119 rows filed, every code.

DateInsiderTransactionSharesPriceValueHoldings afterFiled
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+856$61.21$52k1,561,27013 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+186$86.72$16k1,629,62813 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+534$79.40$42k1,606,42613 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+14,344$61.21$878k18,373,11613 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+8,956$79.40$711k19,130,09013 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+3,114$86.72$270k19,519,02113 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+957$86.81$83k1,630,58513 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+2,666$61.63$164k1,563,93613 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+17$79.63$1,3541,606,44313 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+44,690$61.63$2.8M18,417,80613 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+16,036$86.81$1.4M19,535,05713 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+283$79.63$23k19,130,37313 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+884$79.71$70k1,607,32713 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+243$62.96$15k1,564,17913 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+3,790$86.94$330k1,634,37513 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+4,067$62.96$256k18,421,87313 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+14,827$79.71$1.2M19,145,20013 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+63,539$86.94$5.5M19,598,59613 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+404$80.23$32k1,607,73113 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+479$64.43$31k1,564,65813 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+4,485$87.51$392k1,638,86013 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+75,176$87.51$6.6M19,673,77213 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+6,783$80.23$544k19,151,98313 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+8,021$64.43$517k18,429,89413 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+61$80.52$4,9121,607,79213 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+5,880$88.57$521k1,644,74013 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+321$67.10$22k1,564,97913 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+5,382$67.10$361k18,435,27613 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+1,027$80.52$83k19,153,01013 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+98,561$88.57$8.7M19,772,33313 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+154$68.37$11k1,565,13313 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+1,024$81.02$83k1,608,81613 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+6,428$88.65$570k1,651,16813 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+2,585$68.37$177k18,437,86113 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+17,159$81.02$1.4M19,170,16913 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+107,772$88.65$9.6M19,880,10513 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+2,331$68.96$161k1,567,46413 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+4,932$89.60$442k1,656,10013 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+338$81.20$27k1,609,15413 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+5,654$81.20$459k19,175,82313 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+39,066$68.96$2.7M18,476,92713 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+82,673$89.60$7.4M19,962,77813 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+1,044$81.31$85k1,610,19813 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+1,056$71.48$75k1,568,52013 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+11,729$89.86$1.1M1,667,82913 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+17,490$81.31$1.4M19,193,31313 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+17,698$71.48$1.3M18,494,62513 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+196,608$89.86$18M20,159,38613 d ago
Sep 29, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+619$84.24$52k1,668,44813 d ago
Sep 28, 2026Baker Bros. Advisors LP
director, owner
POpen-market purchase
Common Stockindirect: See Footnotes
+16,641$72.39$1.2M1,585,16113 d ago
50 of 119 rows shown.

Insiders

Everyone who has filed a Form 4 here.

Questions about KOD

Answered from the filings on this page, as of the latest one.

Are insiders buying KOD?

As of Sep 30, 2026, SEC Form 4 filings show 3 open-market buys worth $157M by 1 insider and 0 open-market sells worth $0 by 0 insiders at Kodiak Sciences Inc. in the last 90 days, net +$157M. Only purchases (code P) and sales (code S) count; grants, option exercises and tax withholding do not.

Who was the last insider to trade KOD on the open market?

Baker Bros. Advisors LP (director and 10% owner) bought $59M of KOD on Sep 28, 2026 and filed the Form 4 on Sep 30, 2026. InsiderTell scored 50 (moderate).

How many insiders file Form 4 at Kodiak Sciences Inc.?

2 people have filed a Form 4 at Kodiak Sciences Inc., among them Baker Bros. Advisors LP (director and 10% owner), John A. Borgeson (Chief Financial Officer). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.

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.

KOD insider trading: Kodiak Sciences Inc. | InsiderTell