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Shattuck Labs, Inc.

STTK
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001680367

In the last 90 days, Shattuck Labs, Inc. insiders filed 0 open-market purchases and 3 sales; 100 institutions reported holding it in 13F filings for Q2 2026, worth $581.3M in total; no superinvestor holds it.

Open-market trades, last 90 days

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

Open-market buys
0 filings
Open-market sells
3 filings
2 insiders, $379.3K in total
Insiders trading
2
Net value
−$379.3K
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Shattuck Labs, 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 Shattuck Labs, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Shukla Abhinav A.Chief Technical Officer98,533Jul 7, 20265
Pandite Arundathy N.Chief Medical Officer136,219Jul 2, 20264
OrbiMed Advisors LLCDirector1,051,021IndirectJun 15, 20262
OrbiMed Genesis GP LLCDirector1,051,021IndirectJun 15, 20262
OrbiMed Capital GP IX LLCDirector1,051,021IndirectJun 15, 20262
Ashiya MonaDirector1,051,021IndirectJun 15, 20263
Siegall Clay BDirector318,608Jun 11, 20263
Gibson Neil WDirector–Jun 2, 20261
Golumbeski GeorgeDirector54,613Jun 2, 20261
Boudreau Helen MDirector–Jun 2, 20261
Baker Daniel G.Director–Jun 2, 20261
Stout StephenSee Remarks93,366May 18, 20264
Neill Andrew RChief Financial Officer292,251May 14, 20263
Schreiber TaylorChief Executive Officer122,222May 13, 20262
DeYoung CasiChief Business Officer73,480Jan 27, 20262
Redmile Group, LLCDirector, 10% Owner5,539,724IndirectAug 26, 20250
Green JeremyDirector, 10% Owner5,539,724IndirectAug 26, 20250
Lee Michael StewartDirector–Jul 16, 20250
Brous TylerDirector238,088Jul 16, 20250
Brownstein CarrieDirector–Jul 16, 20250
Sasser Amy KateDirector–Jul 16, 20250
Thomson Erin AtorGeneral Counsel103,209Jan 27, 20230
Hornblower JosiahDirector2,966,709IndirectJul 16, 20210

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
Jul 7, 2026 (view filing)7:00 PM ETJul 25 daysShukla Abhinav A.Chief Technical OfficerSSale−410$7.01−$2.87K−0.5%86.4K after10b5-1
Jul 2, 2026 (view filing)8:17 PM ETJun 30-Jul 12 daysShukla Abhinav A.Chief Technical OfficerSSale−23.5K$7.08−$166.1K−21.4%86.4K after2 lots10b5-1
Jul 2, 2026 (view filing)8:15 PM ETJun 302 daysPandite Arundathy N.Chief Medical OfficerSSale−30.0K$7.01−$210.3K−18.0%136.2K after10b5-1
Jun 15, 2026 (view filing)6:12 PM ETJun 114 daysOrbiMed Advisors LLC and 2 othersDirectorPPurchase+1.25M–––5.30M afterDerivative2 lotsDuplicate filing
Jun 15, 2026 (view filing)Jun 114 daysAshiya MonaDirectorPPurchase+1.25M–––5.30M afterDerivative2 lots
Jun 11, 2026 (view filing)Jun 92 daysSiegall Clay BDirectorPPurchase+62.5K$4.00+$250.0K+24.4%318.6K after
May 14, 2026 (view filing)May 122 daysShukla Abhinav A.Chief Technical OfficerSSale−2.03K$7.01−$14.2K−2.4%81.3K after10b5-1
May 14, 2026 (view filing)May 122 daysPandite Arundathy N.Chief Medical OfficerSSale−30.0K$6.61−$198.3K−15.3%166.2K after10b5-1
Sep 2, 2025 (view filing)9:52 PM ETAug 258 daysLateOrbiMed Advisors LLC and 2 othersDirectorPPurchase+6.31M$0.8677+$5.47MNew position1.05M after2 lots
Sep 2, 2025 (view filing)9:52 PM ETAug 258 daysLateOrbiMed Advisors LLC and 2 othersDirectorPPurchase+30.6M–––3.07M afterDerivative4 lotsDuplicate filing
Sep 2, 2025 (view filing)Aug 258 daysLateAshiya MonaDirectorPPurchase+6.31M$0.87+$5.49MNew position1.05M after2 lots
Sep 2, 2025 (view filing)Aug 258 daysLateAshiya MonaDirectorPPurchase+30.6M–––3.07M afterDerivative4 lots
Dec 6, 2024 (view filing)9:00 PM ETDec 42 daysRedmile Group, LLC and 1 otherDirector, 10% OwnerSSaleCommon Stock, par value $0.0001 per share−133.4K$1.25−$166.7K−2.4%5.41M after
Dec 6, 2024 (view filing)9:00 PM ETDec 42 daysRedmile Group, LLC and 1 otherDirector, 10% OwnerPPurchaseCommon Stock, par value $0.0001 per share+133.4K$1.25+$166.7K+2.5%5.54M after
Oct 8, 2024 (view filing)Oct 71 daySchreiber TaylorChief Executive OfficerPPurchase+36.5K$1.21+$44.2K+105.8%71.0K after
Jul 1, 2024 (view filing)Jun 27-284 daysBrous TylerDirectorPPurchase+8.42K$3.89+$32.8K+3.7%238.1K after2 lots
Jun 26, 2024 (view filing)Jun 26Same daySchreiber TaylorChief Executive OfficerPPurchase+14.4K$3.47+$50.0K+71.6%34.5K after
Mar 8, 2024 (view filing)Mar 62 daysStout StephenSee RemarksSSale−16.0K$10.53−$168.5K−17.7%74.4K after3 lots10b5-1
Jan 16, 2024 (view filing)Jan 106 daysLateNeill Andrew RChief Financial OfficerSSale−25.0K$10.00−$250.0K−12.6%173.4K after10b5-1
Apr 27, 2022 (view filing)Apr 261 dayGolumbeski GeorgeDirectorPPurchase+28.3K$3.63+$102.8K+107.8%54.6K after
Apr 26, 2022 (view filing)Apr 21-225 daysLateGolumbeski GeorgeDirectorPPurchase+26.3K$3.69+$97.0KNew position26.3K after2 lots
Jan 19, 2022 (view filing)Jan 14-195 daysBrous TylerDirectorPPurchase+8.00K$7.00+$56.0K+3.6%229.7K after3 lots
Oct 21, 2021 (view filing)Oct 192 daysThomson Erin AtorGeneral CounselSSale−33.0K$19.50−$643.5K−41.6%46.3K after
Jul 16, 2021 (view filing)Jul 151 dayNeill Andrew RChief Financial OfficerSSale−2.00K$22.13−$44.3K−3.6%54.0K after
Jul 16, 2021 (view filing)Jul 151 dayThomson Erin AtorGeneral CounselSSale−2.00K$22.18−$44.4K−2.5%79.3K after
Jul 16, 2021 (view filing)Jul 151 dayHornblower JosiahDirectorSSale−34$22.74−$773.160.0%2.97M after
Jul 14, 2021 (view filing)Jul 12-142 daysHornblower JosiahDirectorSSale−19.2K$24.03−$462.2K−0.6%2.97M after3 lots
Jul 9, 2021 (view filing)Jul 7-92 daysHornblower JosiahDirectorSSale−11.1K$26.30−$292.8K−0.4%2.99M after3 lots
Jul 6, 2021 (view filing)Jul 1-65 daysHornblower JosiahDirectorSSale−12.8K$28.45−$364.3K−0.4%3.00M after3 lots