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Cartesian Therapeutics, Inc.

RNAC Net buying
CIK 0001453687 #3561 in the set updated 17 Sep 2026
Bought (120 mo)
$81.57M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$17.48M
$0.00 on a plan · $6.27M straight out of an exercise
Sold at will
$11.21M
82 of 113 sales
Net
+$64.09M
+$70.36M against sales at will

By person

34 insiders · 244 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
SPRINGER TIMOTHY A
Director
$78.22M (84)
+$78.22M
30,089,219
99.45%
$205.20M
Nashat Amir
Director
$1.75M (4)
$5.77M (20)
−$4.02M
2,676,234
8.85%
$18.25M
+48.2%
Kania Edwin
Director
$3.74M (1)
−$3.74M
586,595
1.94%
$4.00M
−31.3%
Kurtoglu Metin
Chief Technology Officer
$2.51M (14) scheduled
−$2.51M
62,258
0.2058%
$424.58K
Johnston Lloyd P.
Chief Operations Officer
$975.83K (14) scheduled
−$975.83K
265,515
0.8776%
$1.81M
+5,665%
Miljkovic Milos
Chief Medical Officer
$963.44K (5) scheduled
−$963.44K
58,820
0.1944%
$401.13K
Jewell Christopher M
Chief Scientific Officer
$917.82K (5) scheduled
−$917.82K
62,490
0.2065%
$426.16K
Brunn Carsten
President and CEO
$836.46K (24)
−$836.46K
323,530
1.07%
$2.21M
Siewers David
CFO and Treasurer
$807.65K (6) scheduled
−$807.65K
0
0.0000%
$0.00
−100.0%
BARABE TIMOTHY C
Director
$574.79K (10)
+$574.79K
56,966
0.1883%
$388.49K
TRABER PETER G
Chief Medical Officer
$358.47K (6)
$52.05K (8)
+$306.42K
451,826
1.49%
$3.08M
+3,424%
Kishimoto Takashi Kei
Chief Scientific Officer
$227.26K (8) scheduled
−$227.26K
225,316
0.7447%
$1.54M
+1,116%
Abraham David
GC, CCO & Corporate Secretary
$50.00K (1)
$267.19K (1) scheduled
−$217.20K
5,405
0.0179%
$36.86K
+110.8%
Davis Blaine
Chief Financial Officer
$206.26K (3)
−$206.26K
121,220
0.4007%
$826.68K
COX CARRIE SMITH
Director
$200.46K (2)
+$200.46K
15,629
0.0517%
$106.59K
CAUTREELS WERNER
President and CEO
$186.25K (1)
+$186.25K
321,203
1.06%
$2.19M
+6.6%
Keller Peter
Chief Business Officer
$176.43K (2) scheduled
−$176.43K
405
0.0013%
$2.76K
−92.1%
Farokhzad Omid
Director
$125.00K (1)
+$125.00K
271,337
0.8968%
$1.85M
+112.0%
Sands Earl
Chief Medical Officer
$76.97K (1)
+$76.97K
7,500
0.0248%
$51.15K
English Emily
Chief Operations Officer
$30.15K (2)
−$30.15K
94,226
0.3114%
$642.59K
+415.7%
DeSilva Nishan M
Director
$20.72K (1)
+$20.72K
11,366
0.0376%
$77.51K
Tan Kevin
Chief Financial Officer
$15.13K (1)
+$15.13K
77,000
0.2545%
$525.12K
Kalayoglu Murat
10% owner
5,824,838
19.25%
$39.72M
Hoge Elizabeth
10% owner
5,313,261
17.56%
$36.23M
Kogan Elona
General Counsel
182,872
0.6044%
$1.25M
Sallin Aymeric
Director
178,000
0.5883%
$1.21M
Singer Michael
Director
145,797
0.4819%
$994.29K
Myers Scott Dunseth
Director
80,845
0.2672%
$551.34K
Dahms Bradford D.
Chief Financial Officer
38,000
0.1256%
$259.15K
Smolinski Stephen
Chief Commercial Officer
13,812
0.0457%
$94.19K
ZENNER PATRICK J
Director
12,974
0.0429%
$88.48K
Malik Kemal
Director
11,133
0.0368%
$75.92K
Seymour June Ann
Chief Accounting Officer
6,500
0.0215%
$44.33K
Bot Adrian Ion
Director
5,800
0.0192%
$39.55K
Insider
Date
Role
Action
Shares
Price
Amount
English Emily
30 Dec 2025
Chief Operations Officer
Exercised, kept
7,500
$3.30
$24.75K
English Emily
28 Nov 2025
Chief Operations Officer
Exercised, kept
7,500
$3.30
$24.75K
English Emily
12 May 2025
Chief Operations Officer
Exercised, kept
7,500
$3.30
$24.75K
English Emily
15 Apr 2025
Chief Operations Officer
Exercised, kept
7,500
$3.30
$24.75K
Jewell Christopher M
10 Jan 2025
Chief Scientific Officer
Exercised, kept
9,000
$3.23
$29.07K
English Emily
26 Dec 2024
SVP, Head of Manufacturing
Exercised, kept
7,650
$3.30
$25.25K
Jewell Christopher M
20 Nov 2024
Chief Scientific Officer
Exercised, kept
14,000
$3.23
$45.22K
SPRINGER TIMOTHY A
26 Mar 2024
Director
Exercised, kept indirect
1,970,443
$1.46
$2.88M
BARABE TIMOTHY C
14 Jan 2022
Director
Exercised, kept
10,000
$2.10
$21.00K
Kishimoto Takashi Kei
7 May 2021
Chief Scientific Officer
Exercised, kept
13,629
$2.77
$37.75K
Johnston Lloyd P.
11 Feb 2021
COO and SVP, R&D
Exercised, kept
44,871
$0.63
$28.27K
Kishimoto Takashi Kei
23 Oct 2020
Chief Scientific Officer
Exercised, kept
30,000
$2.77
$83.10K
BARABE TIMOTHY C
24 Jun 2020
Director
Exercised, kept
32,840
$1.46
$47.95K
Johnston Lloyd P.
16 Jan 2020
COO and SVP, R&D
Exercised, kept
5,128
$0.47
$2.41K
Johnston Lloyd P.
23 Jul 2019
COO and SVP, R&D
Exercised, kept
10,000
$0.47
$4.70K
Kishimoto Takashi Kei
7 Jan 2019
Chief Scientific Officer
Exercised, kept
36,114
$2.77
$100.04K
BARABE TIMOTHY C
27 Mar 2017
Director
Exercised, kept
2,492
$11.00
$27.41K
Farokhzad Omid
23 Mar 2017
Director
Exercised, kept
8,019
$7.02
$56.29K
Farokhzad Omid
23 Mar 2017
Director
Exercised, kept
51,981
$3.44
$178.81K

What was left out

Form 4 filings counted 335
Amendments (4/A) skipped 4
Filings about a different issuer 0
Unreadable filings 0
Joint filings 3
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 31
Sales at will 82
Transactions with no price 1
Shares from compensation/vesting 59,403,783
Sales filed before the plan box existed 65
History held since 21 Dec 2016