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Cartesian Therapeutics, Inc.

RNAC
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001453687

No open-market purchases or sales by Cartesian Therapeutics, Inc. insiders were filed in the last 90 days; 94 institutions reported holding it in 13F filings for Q2 2026, worth $90.4M in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Cartesian Therapeutics, 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
0 filings
Insiders trading
0
Net value
$0
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Cartesian Therapeutics, 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 Cartesian Therapeutics, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Seven One Eight Three Four Irrevocable Trust10% Owner5,313,261IndirectApr 6, 20261
Hoge Elizabeth10% Owner5,313,261IndirectApr 6, 20261
Kalayoglu Murat10% Owner5,313,261IndirectApr 6, 20262
Singer MichaelDirector49,578Mar 13, 20263
Brunn CarstenPresident and CEO323,530Jan 8, 20262
Davis BlaineChief Financial Officer121,220Jan 8, 20262
Miljkovic MilosChief Medical Officer58,820Jan 8, 20262
Springer Timothy ADirector, 10% Owner8,646,285Jan 6, 20261
Zenner Patrick JDirector12,974Jan 6, 20261
Barabe Timothy CDirector56,966Jan 6, 20262
DeSilva Nishan MDirector11,366Jan 6, 20261
Malik KemalDirector11,133Jan 6, 20261
English EmilyChief Operations Officer94,226Jan 6, 20263
Seymour June AnnChief Accounting Officer6,500Jan 6, 20262
Bot Adrian IonDirector5,800Dec 18, 20251
Jewell Christopher MChief Scientific Officer62,490Jan 13, 20250
Kurtoglu MetinChief Technology Officer62,258Jan 7, 20250
Cox Carrie SmithDirector15,629Jan 6, 20250
Sallin AymericDirector178,000Jan 4, 20240
Myers Scott DunsethDirector–Nov 15, 20230
Traber Peter GChief Medical Officer451,826Sep 26, 20230
Kishimoto Takashi KeiChief Scientific Officer225,316Jun 1, 20230
Johnston Lloyd P.Chief Operations Officer265,515Jan 6, 20230
Ando GoranDirector–Jan 4, 20230
Tan KevinChief Financial Officer77,000Jan 5, 20220

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
Jan 8, 2026 (view filing)Jan 62 daysBrunn CarstenPresident and CEOSSale−23.8K$6.82−$162.1K−6.8%323.5K after
Jan 8, 2026 (view filing)Jan 62 daysMiljkovic MilosChief Medical OfficerSSale−3.57K$6.82−$24.4K−5.7%58.8K after
Jan 8, 2026 (view filing)Jan 62 daysDavis BlaineChief Financial OfficerSSale−10.6K$6.82−$72.2K−8.0%121.2K after
Dec 8, 2025 (view filing)Dec 44 daysBarabe Timothy CDirectorPPurchase+30.0K$6.86+$205.8K+123.1%54.4K after
Apr 11, 2025 (view filing)Apr 9-112 daysSpringer Timothy ADirector, 10% OwnerPPurchase+22.4K$10.21+$228.3K+0.3%8.64M after5 lots
Apr 11, 2025 (view filing)Apr 9-112 daysSpringer Timothy ADirector, 10% OwnerPPurchase+126.7K$10.21+$1.29M+23.9%656.5K after5 lots
Mar 20, 2025 (view filing)Mar 18-202 daysSpringer Timothy ADirector, 10% OwnerPPurchase+89.9K$15.26+$1.37M+1.1%8.62M after3 lots
Jan 15, 2025 (view filing)Jan 13-142 daysSpringer Timothy ADirector, 10% OwnerPPurchase+21.0K$17.47+$366.4K+0.2%8.53M after3 lots
Jan 7, 2025 (view filing)Jan 3-64 daysKurtoglu MetinChief Technology OfficerSSale−4.88K$16.78−$81.8K−7.3%62.3K after2 lots
Jan 7, 2025 (view filing)Jan 3-64 daysMiljkovic MilosChief Medical OfficerSSale−1.88K$16.78−$31.5K−5.0%35.4K after2 lots
Jan 7, 2025 (view filing)Jan 3-64 daysJewell Christopher MChief Scientific OfficerSSale−2.55K$16.78−$42.8K−4.6%53.5K after2 lots
Jan 7, 2025 (view filing)Jan 3-64 daysEnglish EmilyChief Operations OfficerSSale−1.80K$16.78−$30.1K−4.3%40.2K after2 lots
Jan 7, 2025 (view filing)Jan 3-64 daysBrunn CarstenPresident and CEOSSale−17.3K$16.78−$289.7K−7.8%204.1K after2 lots
Jan 7, 2025 (view filing)Jan 3-64 daysDavis BlaineChief Financial OfficerSSale−7.99K$16.78−$134.0K−7.8%94.8K after2 lots
Dec 23, 2024 (view filing)Dec 19-234 daysSpringer Timothy ADirector, 10% OwnerPPurchase+52.2K$18.49+$965.0K+0.6%8.51M after5 lots
Dec 11, 2024 (view filing)Dec 9-102 daysKurtoglu MetinChief Technology OfficerSSale−13.7K$25.26−$345.1K−21.1%51.0K after3 lots
Nov 21, 2024 (view filing)Nov 19-212 daysKurtoglu MetinChief Technology OfficerSSale−38.7K$16.78−$649.1K−43.1%51.0K after4 lots
Nov 18, 2024 (view filing)Nov 14-184 daysSpringer Timothy ADirector, 10% OwnerPPurchase+431.9K$17.07+$7.37M+5.4%8.46M after5 lots
Nov 18, 2024 (view filing)Nov 14-184 daysKurtoglu MetinChief Technology OfficerSSale−82.4K$17.46−$1.44M−61.7%51.0K after5 lots
Nov 18, 2024 (view filing)Nov 14-154 daysMiljkovic MilosChief Medical OfficerSSale−55.0K$16.50−$907.4K−75.1%18.3K after2 lots
Nov 18, 2024 (view filing)Nov 14-154 daysJewell Christopher MChief Scientific OfficerSSale−52.1K$16.79−$875.0K−66.8%25.9K after3 lots
Oct 4, 2024 (view filing)Oct 2-42 daysSpringer Timothy ADirector, 10% OwnerPPurchase+205.7K$20.87+$4.29M+2.6%8.02M after10 lots
Aug 14, 2024 (view filing)Aug 122 daysSpringer Timothy ADirector, 10% OwnerPPurchase+8.02K$12.72+$102.0K+229.5%11.5K after
Aug 14, 2024 (view filing)Aug 122 daysBarabe Timothy CDirectorPPurchase+7.50K$12.70+$95.3K+52.6%21.8K after
Mar 28, 2024 (view filing)Jan 17-Mar 1871 daysLateSpringer Timothy ADirector, 10% OwnerPPurchase+18.4K$0.6202+$11.4K+21.3%104.8K after10 lots
Mar 20, 2024 (view filing)Mar 182 daysSpringer Timothy ADirector, 10% OwnerPPurchase+19.0K$0.60+$11.4K+0.1%31.1M after
Mar 18, 2024 (view filing)Mar 14-154 daysSpringer Timothy ADirector, 10% OwnerPPurchase+1.19M$0.5627+$667.2K+4.0%31.1M after2 lots
Nov 15, 2023 (view filing)Nov 132 daysKalayoglu MuratDirector, 10% OwnerPPurchase+619.6K$250.00+$154.9M–619.63 afterDerivativePrice outlier
Sep 26, 2023 (view filing)Sep 251 dayBrunn CarstenPresident and CEOSSale−2.93K$1.06−$3.11K−0.4%783.1K after
Sep 26, 2023 (view filing)Sep 251 dayTraber Peter GChief Medical OfficerSSale−705$1.06−$747.3−0.2%451.8K after
Jan 6, 2023 (view filing)Jan 4-52 daysBrunn CarstenPresident and CEOSSale−41.1K$1.13−$46.4K−5.0%786.0K after4 lots
Jan 6, 2023 (view filing)Jan 4-52 daysJohnston Lloyd P.Chief Operations OfficerSSale−9.78K$1.13−$11.1K−3.6%265.5K after4 lots
Jan 6, 2023 (view filing)Jan 4-52 daysKishimoto Takashi KeiChief Scientific OfficerSSale−9.78K$1.13−$11.1K−2.6%364.3K after4 lots
Jan 6, 2023 (view filing)Jan 4-52 daysTraber Peter GChief Medical OfficerSSale−11.6K$1.13−$13.2K−2.5%446.1K after4 lots
Dec 7, 2022 (view filing)Dec 52 daysBrunn CarstenPresident and CEOSSale−4.52K$1.33−$6.01K−0.8%544.3K after
Sep 30, 2022 (view filing)Sep 282 daysBrunn CarstenPresident and CEOSSale−2.69K$1.66−$4.47K−0.5%537.9K after
Sep 6, 2022 (view filing)Sep 24 daysBrunn CarstenPresident and CEOSSale−4.77K$1.85−$8.82K−0.9%540.6K after
Jun 15, 2022 (view filing)Jun 132 daysCox Carrie SmithDirectorPPurchase+130.0K$1.15+$149.5K+156.9%212.9K after
May 11, 2022 (view filing)May 92 daysBarabe Timothy CDirectorPPurchase+50.0K$0.77+$38.5K+25.0%250.0K after
Apr 13, 2022 (view filing)Apr 112 daysSpringer Timothy ADirector, 10% OwnerPPurchase+6.68M––+28.8%29.9M after
Mar 3, 2022 (view filing)Mar 21 dayBrunn CarstenPresident and CEOSSale−5.44K$1.81−$9.85K−1.0%523.5K after
Jan 7, 2022 (view filing)Jan 52 daysTraber Peter GChief Medical OfficerSSale−3.23K$3.09−$9.97K−1.3%251.4K after
Jan 7, 2022 (view filing)Jan 52 daysKishimoto Takashi KeiChief Scientific OfficerSSale−3.42K$3.09−$10.6K−1.3%268.4K after
Jan 7, 2022 (view filing)Jan 52 daysJohnston Lloyd P.Chief Operations OfficerSSale−3.42K$3.09−$10.6K−1.9%175.3K after
Jan 7, 2022 (view filing)Jan 52 daysBrunn CarstenPresident and CEOSSale−13.6K$3.09−$42.0K−2.6%518.0K after
Dec 17, 2021 (view filing)Dec 152 daysSpringer Timothy ADirector, 10% OwnerPPurchase+211.2K$2.99+$631.5K+0.9%23.2M after
Dec 14, 2021 (view filing)5:16 PM ETDec 104 daysBrunn CarstenPresident and CEOSSale−17.2K$2.99−$51.4K−5.3%305.3K after
Dec 14, 2021 (view filing)Dec 104 daysTraber Peter GChief Medical OfficerSSale−4.08K$2.99−$12.2K−2.4%164.4K after
Dec 14, 2021 (view filing)Dec 104 daysKishimoto Takashi KeiChief Scientific OfficerSSale−4.37K$2.99−$13.1K−2.1%199.8K after
Dec 14, 2021 (view filing)Dec 104 daysJohnston Lloyd P.Chief Operations OfficerSSale−4.37K$2.99−$13.1K−3.9%106.7K after