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Kodiak Sciences Inc.

KOD
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001468748

In the last 90 days, Kodiak Sciences Inc. insiders filed 4 open-market purchases and 1 sale; 200 institutions reported holding it in 13F filings for Q2 2026, worth $2.36B in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Kodiak Sciences Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
4 filings
1 insider, $181.3M in total
Open-market sells
1 filing
1 insider, $2.70M in total
Insiders trading
2
Net value
+$178.6M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Kodiak Sciences Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Kodiak Sciences Inc.
NameTitleLast reported holdingLast filingFilings, past year
Baker JulianDirector, 10% Owner20,424,859IndirectNov 6, 20266
Baker FelixDirector, 10% Owner20,424,859IndirectNov 6, 20266
Baker Bros. Advisors LPDirector, 10% Owner20,424,859IndirectNov 6, 20266
Baker Brothers Life Sciences LPDirector, 10% Owner20,424,859IndirectNov 6, 20266
667, L.P.Director, 10% Owner20,424,859IndirectNov 6, 20266
Baker Bros. Advisors (GP) LLCDirector, 10% Owner20,424,859IndirectNov 6, 20266
Yang TaiyinDirector20,000Oct 26, 20262
Borgeson John A.Chief Financial Officer211,930Oct 23, 20265
Perlroth VictorChairman and CEO3,676,062Sep 29, 20264
Profusek RobertDirector–Jul 2, 20261
Levy Richard SDirector–Jul 2, 20261
Dahiyat Bassil IDirector–Jul 2, 20261
Bancroft Charles ADirector–Jul 2, 20261
Ehrlich JasonSee Remarks61,924Jun 27, 20230

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Nov 6, 2026 (view filing)4:55 PM ETNov 4-52 daysBaker Julian and 5 othersDirector, 10% OwnerPPurchase+247.1K$98.51+$24.3M+1.2%20.4M after4 lots
Oct 23, 2026 (view filing)5:00 PM ETOct 212 daysBorgeson John A.Chief Financial OfficerSSale−30.0K$90.01−$2.70M−12.4%211.9K after8 lots10b5-1
Sep 30, 2026 (view filing)4:31 PM ETSep 28-292 daysBaker Julian and 5 othersDirector, 10% OwnerPPurchase+715.6K$88.59+$63.4M+3.7%20.2M after22 lots
Sep 30, 2026 (view filing)4:30 PM ETSep 282 daysBaker Julian and 5 othersDirector, 10% OwnerPPurchase+418.3K$83.58+$35.0M+2.2%19.5M after30 lots
Sep 30, 2026 (view filing)4:29 PM ETSep 282 daysBaker Julian and 5 othersDirector, 10% OwnerPPurchase+807.8K$72.57+$58.6M+4.4%19.1M after30 lots
Jun 5, 2026 (view filing)Jun 41 dayBorgeson John A.Chief Financial OfficerSSale−30.0K$34.10−$1.02M−12.4%211.9K after2 lots10b5-1
Apr 2, 2026 (view filing)Apr 2Same dayBorgeson John A.Chief Financial OfficerSSale−30.0K$39.92−$1.20M−14.1%183.3K after4 lots10b5-1
Dec 19, 2025 (view filing)4:06 PM ETDec 181 dayBaker Julian and 5 othersDirector, 10% OwnerPPurchase+2.61M$23.00+$60.0M+16.6%18.4M after2 lots
Jun 17, 2025 (view filing)Jun 17Same dayBorgeson John A.See RemarksSSale−723$3.65−$2.64K−0.4%183.3K after
Jun 18, 2024 (view filing)Jun 171 dayBorgeson John A.See RemarksSSale−2.87K$2.75−$7.90K−1.6%182.2K after10b5-1
Jun 13, 2024 (view filing)Jun 121 dayBorgeson John A.See RemarksSSale−1.56K$2.92−$4.55K−0.9%179.5K after10b5-1
Jun 16, 2023 (view filing)Jun 14-162 daysEhrlich JasonSee RemarksSSale−3.39K$9.29−$31.5K−5.2%61.9K after2 lots10b5-1
Jun 16, 2023 (view filing)Jun 14-162 daysBorgeson John A.See RemarksSSale−4.20K$9.30−$39.0K−2.3%178.1K after2 lots10b5-1
Jun 17, 2022 (view filing)Jun 15-172 daysEhrlich JasonSee RemarksSSale−3.49K$7.09−$24.7K−5.8%56.9K after2 lots
Jun 17, 2022 (view filing)Jun 15-172 daysBorgeson John A.See RemarksSSale−4.34K$7.09−$30.8K−2.4%173.8K after2 lots
Jun 6, 2022 (view filing)5:08 PM ETJun 2-64 daysBaker Julian and 5 othersDirector, 10% OwnerPPurchase+572.3K$7.77+$4.45M+3.7%16.0M after12 lots
May 27, 2022 (view filing)4:44 PM ETMay 25-272 daysBaker Julian and 5 othersDirector, 10% OwnerPPurchase+350.4K$6.75+$2.36M+2.3%15.5M after16 lots
May 18, 2022 (view filing)5:30 PM ETMay 16-182 daysBaker Julian and 5 othersDirector, 10% OwnerPPurchase+456.7K$5.91+$2.70M+3.1%15.1M after14 lots
Feb 28, 2022 (view filing)Feb 24-254 daysPerlroth VictorChairman and CEOSSale−1.34M$9.15−$12.3M−38.2%2.17M after2 lots
Feb 17, 2022 (view filing)5:33 PM ETFeb 15-172 daysBaker Julian and 5 othersDirector, 10% OwnerPPurchase+401.0K$54.45+$21.8M+2.8%14.7M after10 lots
Jan 31, 2022 (view filing)5:06 PM ETJan 27-314 daysBaker Julian and 5 othersDirector, 10% OwnerPPurchase+347.7K$52.02+$18.1M+2.5%14.4M after12 lots
Jan 25, 2022 (view filing)5:40 PM ETJan 21-254 daysBaker Julian and 5 othersDirector, 10% OwnerPPurchase+501.1K$57.49+$28.8M+3.7%14.0M after10 lots
Jan 24, 2022 (view filing)Jan 204 daysEhrlich JasonSee RemarksSSale−6.95K$64.38−$447.5K−11.9%51.5K after5 lots
Dec 22, 2021 (view filing)Dec 202 daysEhrlich JasonSee RemarksSSale−6.95K$87.60−$608.8K−11.9%51.5K after3 lots
Nov 24, 2021 (view filing)Nov 222 daysEhrlich JasonSee RemarksSSale−6.95K$99.15−$689.1K−11.9%51.5K after5 lots
Nov 12, 2021 (view filing)Nov 102 daysBorgeson John A.See RemarksSSale−876$115.42−$101.1K−0.5%169.4K after2 lots
Oct 22, 2021 (view filing)Oct 202 daysEhrlich JasonSee RemarksSSale−6.95K$111.77−$776.8K−11.9%51.5K after2 lots
Oct 1, 2021 (view filing)4:58 PM ETSep 301 dayBaker Julian and 5 othersDirector, 10% OwnerPPurchase+86.9K$95.83+$8.33M+0.6%13.5M after
Sep 22, 2021 (view filing)Sep 202 daysEhrlich JasonSee RemarksSSale−6.95K$99.88−$694.1K−11.9%51.5K after3 lots
Sep 17, 2021 (view filing)6:05 PM ETSep 15-162 daysBaker Julian and 5 othersDirector, 10% OwnerPPurchase+31.8K$94.39+$3.01M+0.2%13.3M after3 lots
Sep 9, 2021 (view filing)6:43 PM ETSep 72 daysBaker Julian and 5 othersDirector, 10% OwnerPPurchase+57.5K$93.31+$5.37M+0.4%13.3M after2 lots
Aug 24, 2021 (view filing)Aug 204 daysEhrlich JasonSee RemarksSSale−6.95K$91.45−$635.5K−11.9%51.5K after6 lots
Aug 19, 2021 (view filing)5:12 PM ETAug 17-192 daysBaker Julian and 5 othersDirector, 10% OwnerPPurchase+114.4K$87.50+$10.0M+0.9%13.2M after10 lots
Aug 13, 2021 (view filing)7:14 PM ETAug 11-132 daysBaker Julian and 5 othersDirector, 10% OwnerPPurchase+102.8K$87.19+$8.96M+0.8%13.1M after10 lots
Jul 22, 2021 (view filing)Jul 202 daysEhrlich JasonSee RemarksSSale−6.95K$86.28−$599.6K−11.5%53.2K after2 lots