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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
—

Individual transactions

112
Insider
Date
Role
Action
Shares
Price
Amount
BARABE TIMOTHY C
4 Dec 2025
Director
Buy
30,000
$6.86
$205.80K
SPRINGER TIMOTHY A
11 Apr 2025
Director
Buy indirect
36,338
$10.77
$391.45K
SPRINGER TIMOTHY A
11 Apr 2025
Director
Buy
6,412
$10.77
$69.07K
SPRINGER TIMOTHY A
10 Apr 2025
Director
Buy indirect
3,451
$10.92
$37.70K
SPRINGER TIMOTHY A
10 Apr 2025
Director
Buy indirect
45,144
$10.43
$471.06K
SPRINGER TIMOTHY A
10 Apr 2025
Director
Buy
609
$10.92
$6.65K
SPRINGER TIMOTHY A
10 Apr 2025
Director
Buy
7,966
$10.43
$83.12K
SPRINGER TIMOTHY A
9 Apr 2025
Director
Buy indirect
178
$9.95
$1.77K
SPRINGER TIMOTHY A
9 Apr 2025
Director
Buy indirect
41,604
$9.43
$392.18K
SPRINGER TIMOTHY A
9 Apr 2025
Director
Buy
31
$9.95
$308.48
SPRINGER TIMOTHY A
9 Apr 2025
Director
Buy
7,342
$9.43
$69.21K
SPRINGER TIMOTHY A
20 Mar 2025
Director
Buy
54,889
$15.59
$855.59K
SPRINGER TIMOTHY A
19 Mar 2025
Director
Buy
20,234
$14.97
$302.96K
SPRINGER TIMOTHY A
18 Mar 2025
Director
Buy
14,740
$14.42
$212.60K
SPRINGER TIMOTHY A
14 Jan 2025
Director
Buy
4,022
$18.00
$72.40K
SPRINGER TIMOTHY A
13 Jan 2025
Director
Buy
8,983
$17.78
$159.74K
SPRINGER TIMOTHY A
13 Jan 2025
Director
Buy
7,962
$16.86
$134.22K
SPRINGER TIMOTHY A
23 Dec 2024
Director
Buy
5,181
$19.00
$98.44K
SPRINGER TIMOTHY A
20 Dec 2024
Director
Buy
21,800
$18.94
$412.97K
SPRINGER TIMOTHY A
19 Dec 2024
Director
Buy
3,376
$18.93
$63.90K
SPRINGER TIMOTHY A
19 Dec 2024
Director
Buy
10,529
$18.35
$193.20K
SPRINGER TIMOTHY A
19 Dec 2024
Director
Buy
11,303
$17.39
$196.51K
SPRINGER TIMOTHY A
18 Nov 2024
Director
Buy
20,181
$18.42
$371.74K
SPRINGER TIMOTHY A
18 Nov 2024
Director
Buy
38,114
$17.96
$684.45K
SPRINGER TIMOTHY A
15 Nov 2024
Director
Buy
277,246
$17.09
$4.74M
SPRINGER TIMOTHY A
14 Nov 2024
Director
Buy
22,242
$16.97
$377.44K
SPRINGER TIMOTHY A
14 Nov 2024
Director
Buy
74,157
$16.19
$1.20M
SPRINGER TIMOTHY A
4 Oct 2024
Director
Buy
4,879
$23.93
$116.77K
SPRINGER TIMOTHY A
4 Oct 2024
Director
Buy
16,650
$23.57
$392.37K
SPRINGER TIMOTHY A
4 Oct 2024
Director
Buy
48,880
$22.35
$1.09M
SPRINGER TIMOTHY A
4 Oct 2024
Director
Buy
9,892
$21.35
$211.20K
SPRINGER TIMOTHY A
3 Oct 2024
Director
Buy
8,043
$21.86
$175.84K
SPRINGER TIMOTHY A
3 Oct 2024
Director
Buy
21,278
$21.17
$450.56K
SPRINGER TIMOTHY A
3 Oct 2024
Director
Buy
50,489
$20.18
$1.02M
SPRINGER TIMOTHY A
3 Oct 2024
Director
Buy
10,249
$19.01
$194.86K
SPRINGER TIMOTHY A
3 Oct 2024
Director
Buy
29,847
$18.25
$544.58K
SPRINGER TIMOTHY A
2 Oct 2024
Director
Buy
5,514
$17.38
$95.82K
BARABE TIMOTHY C
12 Aug 2024
Director
Buy
7,500
$12.70
$95.25K
SPRINGER TIMOTHY A
12 Aug 2024
Director
Buy indirect
8,016
$12.72
$101.97K
SPRINGER TIMOTHY A
18 Mar 2024
Director
Buy indirect
19,044
$0.60
$11.40K
SPRINGER TIMOTHY A
18 Mar 2024
Director
Buy indirect
800
$0.61
$488.00
SPRINGER TIMOTHY A
15 Mar 2024
Director
Buy indirect
537,500
$0.59
$314.55K
SPRINGER TIMOTHY A
15 Mar 2024
Director
Buy indirect
1,200
$0.56
$672.00
SPRINGER TIMOTHY A
14 Mar 2024
Director
Buy indirect
648,372
$0.54
$351.68K
SPRINGER TIMOTHY A
14 Mar 2024
Director
Buy indirect
2,000
$0.53
$1.06K
SPRINGER TIMOTHY A
13 Mar 2024
Director
Buy indirect
3,200
$0.58
$1.87K
SPRINGER TIMOTHY A
12 Mar 2024
Director
Buy indirect
1,200
$0.61
$734.64
SPRINGER TIMOTHY A
11 Mar 2024
Director
Buy indirect
1,200
$0.65
$784.92
SPRINGER TIMOTHY A
8 Mar 2024
Director
Buy indirect
4,800
$0.66
$3.19K
SPRINGER TIMOTHY A
7 Feb 2024
Director
Buy indirect
2,400
$0.66
$1.58K
SPRINGER TIMOTHY A
6 Feb 2024
Director
Buy indirect
800
$0.65
$520.00
SPRINGER TIMOTHY A
17 Jan 2024
Director
Buy indirect
800
$0.69
$552.00
COX CARRIE SMITH
13 Jun 2022
Director
Buy
130,000
$1.15
$149.80K
BARABE TIMOTHY C
9 May 2022
Director
Buy
50,000
$0.77
$38.72K
SPRINGER TIMOTHY A
11 Apr 2022
Director
Buy indirect
6,681,600
—
no price
SPRINGER TIMOTHY A
15 Dec 2021
Director
Buy indirect
211,190
$2.99
$631.10K
SPRINGER TIMOTHY A
13 Dec 2021
Director
Buy indirect
14,592
$2.98
$43.49K
SPRINGER TIMOTHY A
10 Dec 2021
Director
Buy indirect
58,681
$2.99
$175.44K
SPRINGER TIMOTHY A
9 Dec 2021
Director
Buy indirect
3,748,000
$3.06
$11.47M
COX CARRIE SMITH
3 Dec 2021
Director
Buy
17,200
$2.95
$50.66K
DeSilva Nishan M
2 Dec 2021
Director
Buy
7,000
$2.96
$20.72K
Tan Kevin
2 Dec 2021
Chief Financial Officer
Buy
5,000
$3.03
$15.13K
BARABE TIMOTHY C
18 Aug 2021
Director
Buy
9,000
$4.00
$36.00K
SPRINGER TIMOTHY A
26 May 2021
Director
Buy indirect
926,170
$4.00
$3.71M
TRABER PETER G
26 May 2021
Chief Medical Officer
Buy
20,000
$3.99
$79.85K
TRABER PETER G
25 May 2021
Chief Medical Officer
Buy
5,000
$3.48
$17.40K
SPRINGER TIMOTHY A
25 May 2021
Director
Buy indirect
383,830
$3.55
$1.36M
TRABER PETER G
24 May 2021
Chief Medical Officer
Buy
12,500
$3.32
$41.50K
SPRINGER TIMOTHY A
24 May 2021
Director
Buy indirect
590,000
$3.38
$1.99M
SPRINGER TIMOTHY A
21 May 2021
Director
Buy indirect
2,773,479
$3.19
$8.85M
BARABE TIMOTHY C
26 Mar 2021
Director
Buy
10,000
$4.10
$41.00K
TRABER PETER G
18 Mar 2021
Chief Medical Officer
Buy
10,000
$4.50
$45.00K
TRABER PETER G
17 Mar 2021
Chief Medical Officer
Buy
10,000
$4.53
$45.30K
TRABER PETER G
14 Dec 2020
Chief Medical Officer
Buy
40,000
$3.24
$129.42K
SPRINGER TIMOTHY A
23 Oct 2020
Director
Buy indirect
994,488
$2.71
$2.70M
SPRINGER TIMOTHY A
22 Oct 2020
Director
Buy indirect
1,770,204
$2.63
$4.66M
SPRINGER TIMOTHY A
21 Oct 2020
Director
Buy indirect
880,000
$2.50
$2.20M
SPRINGER TIMOTHY A
20 Oct 2020
Director
Buy indirect
910,000
$2.21
$2.01M
SPRINGER TIMOTHY A
19 Oct 2020
Director
Buy indirect
759,500
$2.36
$1.80M
SPRINGER TIMOTHY A
16 Oct 2020
Director
Buy indirect
218,196
$2.42
$528.03K
SPRINGER TIMOTHY A
9 Oct 2020
Director
Buy indirect
276,703
$2.00
$552.47K
SPRINGER TIMOTHY A
8 Oct 2020
Director
Buy indirect
530,441
$1.89
$1.00M
SPRINGER TIMOTHY A
7 Oct 2020
Director
Buy indirect
654,953
$1.65
$1.08M
BARABE TIMOTHY C
6 Oct 2020
Director
Buy
50,000
$1.68
$83.99K
SPRINGER TIMOTHY A
6 Oct 2020
Director
Buy indirect
2,000,000
$1.68
$3.37M
BARABE TIMOTHY C
17 Mar 2020
Director
Buy
5,000
$2.00
$10.00K
SPRINGER TIMOTHY A
14 Aug 2019
Director
Buy indirect
10,000
$1.74
$17.42K
BARABE TIMOTHY C
13 Aug 2019
Director
Buy
10,000
$1.72
$17.20K
Nashat Amir
25 Jan 2019
Director
Buy indirect
1,125,756
$1.50
$1.69M
Nashat Amir
25 Jan 2019
Director
Buy indirect
11,258
$1.50
$16.89K
Nashat Amir
25 Jan 2019
Director
Buy indirect
7,711
$1.50
$11.57K
Nashat Amir
25 Jan 2019
Director
Buy indirect
21,941
$1.50
$32.91K
SPRINGER TIMOTHY A
25 Jan 2019
Director
Buy indirect
66,666
$1.50
$100.00K
SPRINGER TIMOTHY A
25 Jan 2019
Director
Buy
4,000,000
$1.50
$6.00M
Farokhzad Omid
25 Jan 2019
Director
Buy indirect
83,333
$1.50
$125.00K
Sands Earl
17 Nov 2017
Chief Medical Officer
Buy
7,500
$10.26
$76.97K
Abraham David
14 Nov 2017
GC, CCO & Corporate Secretary
Buy
5,405
$9.25
$50.00K
SPRINGER TIMOTHY A
14 Nov 2017
Director
Buy
57,598
$9.27
$534.09K
CAUTREELS WERNER
13 Nov 2017
President and CEO
Buy
20,000
$9.31
$186.25K
BARABE TIMOTHY C
10 Nov 2017
Director
Buy
2,500
$9.00
$22.50K
SPRINGER TIMOTHY A
10 Nov 2017
Director
Buy
4,752
$9.03
$42.91K
SPRINGER TIMOTHY A
10 Nov 2017
Director
Buy
21,586
$9.04
$195.19K
SPRINGER TIMOTHY A
10 Nov 2017
Director
Buy indirect
4,752
$9.03
$42.91K
BARABE TIMOTHY C
9 Nov 2017
Director
Buy
2,500
$9.73
$24.34K
SPRINGER TIMOTHY A
9 Nov 2017
Director
Buy indirect
100
$9.78
$978.00
SPRINGER TIMOTHY A
9 Nov 2017
Director
Buy indirect
4,900
$9.33
$45.70K
SPRINGER TIMOTHY A
9 Nov 2017
Director
Buy
900
$9.74
$8.77K
SPRINGER TIMOTHY A
9 Nov 2017
Director
Buy
21,100
$9.33
$196.89K
SPRINGER TIMOTHY A
27 Jun 2017
Director
Buy
338,791
$17.71
$6.00M
SPRINGER TIMOTHY A
1 Jun 2017
Director
Buy
518
$13.75
$7.12K
SPRINGER TIMOTHY A
18 May 2017
Director
Buy
4,860
$14.00
$68.04K
SPRINGER TIMOTHY A
17 May 2017
Director
Buy
11,244
$14.01
$157.48K
Show all 244 transactions →

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