Insider Trading activities at Cartesian Therapeutics, Inc. (RNAC)

Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Cartesian Therapeutics, Inc. (RNAC) since 2016 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Cartesian Therapeutics, Inc.. Table 2 shows the detailed insider transactions. This company's CIK number is 1453687.

Total stock buying since 2016: $137,175,628.
Total stock sales since 2016: $17,118,314.
Total stock option exercises since 2016: $4,272,061.


31 insiders reported insider trading activities at Cartesian Therapeutics, Inc. (RNAC):
Insider trading activities of Cox Carrie Smith
Insider trading activities of Nashat Amir
Insider trading activities of Davis Blaine
Insider trading activities of Seven One Eight Three Four Irrevocable Trust
Insider trading activities of Gordon Carl L
Insider trading activities of Rusnano
Insider trading activities of Cautreels Werner
Insider trading activities of Farokhzad Omid
Insider trading activities of Traber Peter G
Insider trading activities of Kania Edwin M Jr
Insider trading activities of Desilva Nishan M
Insider trading activities of Jewell Christopher M
Insider trading activities of Kurtoglu Metin
Insider trading activities of Springer Timothy A
Insider trading activities of Miljkovic Milos
Insider trading activities of Osage Partners, Llc
Insider trading activities of Siewers David
Insider trading activities of English Emily
Insider trading activities of Johnston Lloyd P.
Insider trading activities of Keller Peter
Insider trading activities of Abraham David
Insider trading activities of Sands Earl
Insider trading activities of Kalayoglu Murat
Insider trading activities of Isaly Samuel D
Insider trading activities of Kishimoto Takashi Kei
Insider trading activities of Polaris Venture Partners Special Founders' Fund V, L.p.
Insider trading activities of Tan Kevin
Insider trading activities of Nanodimension Limited Partnership
Insider trading activities of Singer Michael
Insider trading activities of Barabe Timothy C
Insider trading activities of Brunn Carsten

Table 1. Yearly summary of insider stock purchases, sales, and option exercises at Cartesian Therapeutics, Inc. (RNAC).
Insider Buying Insider Sales Option Exercises
Year Shares Value Shares Value Shares Value
2025 259,905 $3,284,375 36,362 $610,056 16,500 $53,820
2024 1,880,493 $12,622,382 241,836 $4,224,217 19,260,148 $3,457,999
2023 0 $0 3,637 $3,854 0 $0
2022 6,861,600 $188,460 31,115 $86,279 42,813 $21,000
2021 8,784,142 $28,518,601 86,610 $332,063 91,312 $66,020
2020 9,089,485 $20,113,876 13,314 $44,734 111,718 $133,456
2019 5,336,665 $8,009,617 14,272 $21,807 89,864 $104,735
2017 513,758 $7,708,315 663,072 $11,264,859 155,223 $401,560
2016 4,052,143 $56,730,002 29,567 $530,445 22,280 $33,471

Table 2. Monthly summary of insider trading at Cartesian Therapeutics, Inc. (RNAC).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2025-04 149,075 $1,547,325 0 $0 7,500 $24,750
2025-03 89,863 $1,371,167 0 $0 0 $0
2025-01 20,967 $365,883 36,362 $610,056 9,000 $29,070
2024-12 0 $0 13,664 $345,612 13,664 $19,265
2024-11 431,940 $7,397,961 228,172 $3,878,605 242,172 $561,888
2024-10 205,721 $4,336,276 0 $0 3,036,746 $0
2024-09 0 $0 0 $0 4,719,000 $0
2024-08 15,516 $197,221 0 $0 0 $0
2024-04 0 $0 0 $0 9,278,123 $0
2024-03 1,223,316 $688,278 0 $0 1,970,443 $2,876,846
2024-02 3,200 $2,094 0 $0 0 $0
2024-01 800 $552 0 $0 0 $0
2023-09 0 $0 3,637 $3,854 0 $0
2022-12 0 $0 0 $0 10,938 $0
2022-09 0 $0 7,460 $13,282 10,937 $0
2022-06 130,000 $149,760 0 $0 10,938 $0
2022-05 50,000 $38,700 0 $0 0 $0
2022-04 6,681,600 $0 0 $0 0 $0
2022-01 0 $0 23,655 $72,997 10,000 $21,000
2021-12 4,061,663 $12,405,385 34,765 $103,732 10,938 $0
2021-10 0 $0 26,733 $117,356 0 $0
2021-09 0 $0 4,523 $20,398 10,937 $0
2021-08 9,000 $36,000 0 $0 0 $0
2021-05 4,693,479 $15,986,916 0 $0 13,629 $37,752

Table 3. Detailed insider trading at Cartesian Therapeutics, Inc. (RNAC)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2025-04-15 English Emily (Chief Operations Officer) Option Ex 7,500 3.30 24,750
2025-04-11 Springer Timothy A (Director) Buy 42,750 10.77 460,545
2025-04-10 Springer Timothy A (Director) Buy 57,170 10.68 610,518
2025-04-09 Springer Timothy A (Director) Buy 49,155 9.69 476,262
2025-03-20 Springer Timothy A (Director) Buy 54,889 15.59 855,609
2025-03-19 Springer Timothy A (Director) Buy 20,234 14.97 302,963
2025-03-18 Springer Timothy A (Director) Buy 14,740 14.42 212,595
2025-01-14 Springer Timothy A (Director) Buy 4,022 18.00 72,396
2025-01-13 Springer Timothy A (Director) Buy 16,945 17.32 293,487
2025-01-10 Jewell Christopher M (Chief Scientific Officer) Option Ex 9,000 3.23 29,070
2025-01-06 English Emily (Chief Operations Officer) Sale 906 16.83 15,249
2025-01-06 Kurtoglu Metin (Chief Technology Officer) Sale 2,458 16.83 41,373
2025-01-06 Miljkovic Milos (Chief Medical Officer) Sale 948 16.83 15,956
2025-01-06 Jewell Christopher M (Chief Scientific Officer) Sale 1,286 16.83 21,645
2025-01-06 Davis Blaine (Chief Financial Officer) Sale 4,028 16.83 67,799
2025-01-06 Brunn Carsten (President and CEO) Sale 8,708 16.83 146,573
2025-01-03 English Emily (Chief Operations Officer) Sale 891 16.72 14,899
2025-01-03 Kurtoglu Metin (Chief Technology Officer) Sale 2,417 16.72 40,417
2025-01-03 Miljkovic Milos (Chief Medical Officer) Sale 932 16.72 15,584
2025-01-03 Jewell Christopher M (Chief Scientific Officer) Sale 1,264 16.72 21,136
2025-01-03 Davis Blaine (Chief Financial Officer) Sale 3,961 16.72 66,235
2025-01-03 Brunn Carsten (President and CEO) Sale 8,563 16.72 143,190
2024-12-10 Kurtoglu Metin (Chief Technology Officer) Sale 2,901 24.35 70,639
2024-12-10 Kurtoglu Metin (Chief Technology Officer) Option Ex 2,901 1.41 4,090
2024-12-09 Kurtoglu Metin (Chief Technology Officer) Sale 10,763 25.55 274,973
2024-12-09 Kurtoglu Metin (Chief Technology Officer) Option Ex 10,763 1.41 15,175
2024-11-21 Kurtoglu Metin (Chief Technology Officer) Sale 32,789 16.67 546,559
2024-11-21 Kurtoglu Metin (Chief Technology Officer) Option Ex 32,789 1.41 46,232
2024-11-20 Kurtoglu Metin (Chief Technology Officer) Sale 5,700 17.68 100,798
2024-11-20 Kurtoglu Metin (Chief Technology Officer) Option Ex 5,700 1.41 8,036
2024-11-20 Jewell Christopher M (Chief Scientific Officer) Option Ex 14,000 3.23 45,220
2024-11-19 Kurtoglu Metin (Chief Technology Officer) Sale 200 19.50 3,900
2024-11-19 Kurtoglu Metin (Chief Technology Officer) Option Ex 200 1.41 282
2024-11-18 Kurtoglu Metin (Chief Technology Officer) Sale 34,400 18.39 632,444
2024-11-18 Kurtoglu Metin (Chief Technology Officer) Option Ex 34,400 1.41 48,504
2024-11-18 Springer Timothy A (Director) Buy 58,295 18.19 1,060,327
2024-11-15 Kurtoglu Metin (Chief Technology Officer) Sale 22,068 17.20 379,503
2024-11-15 Kurtoglu Metin (Chief Technology Officer) Option Ex 22,068 1.41 31,115
2024-11-15 Miljkovic Milos (Chief Medical Officer) Sale 20,000 17.14 342,879
2024-11-15 Miljkovic Milos (Chief Medical Officer) Option Ex 20,000 3.23 64,600
2024-11-15 Jewell Christopher M (Chief Scientific Officer) Sale 16,065 17.06 274,101
2024-11-15 Jewell Christopher M (Chief Scientific Officer) Option Ex 16,065 3.23 51,889
2024-11-15 Springer Timothy A (Director) Buy 277,246 17.09 4,739,243
2024-11-14 Kurtoglu Metin (Chief Technology Officer) Sale 25,900 16.70 432,452
2024-11-14 Kurtoglu Metin (Chief Technology Officer) Option Ex 25,900 1.41 36,519
2024-11-14 Miljkovic Milos (Chief Medical Officer) Sale 35,000 16.13 564,655
2024-11-14 Miljkovic Milos (Chief Medical Officer) Option Ex 35,000 3.23 113,050
2024-11-14 Jewell Christopher M (Chief Scientific Officer) Sale 36,050 16.68 601,314
2024-11-14 Jewell Christopher M (Chief Scientific Officer) Option Ex 36,050 3.23 116,441
2024-11-14 Springer Timothy A (Director) Buy 96,399 16.58 1,598,391
2024-10-11 Seven One Eight Three Four Irrevocable Trust (10% Owner) Option Ex 1,518,373 .00 0
2024-10-11 Kalayoglu Murat (Director) Option Ex 1,518,373 .00 0
2024-10-04 Springer Timothy A (Director) Buy 80,301 22.80 1,830,943
2024-10-03 Springer Timothy A (Director) Buy 119,906 20.09 2,409,511
2024-10-02 Springer Timothy A (Director) Buy 5,514 17.38 95,822
2024-09-25 Springer Timothy A (Director) Option Ex 4,719,000 .00 0
2024-08-12 Barabe Timothy C (Director) Buy 7,500 12.70 95,250
2024-08-12 Springer Timothy A (Director) Buy 8,016 12.72 101,971
2024-04-08 Singer Michael (Director) Option Ex 753,781 .00 0
2024-04-08 Kalayoglu Murat (Director) Option Ex 3,418,617 .00 0
2024-04-08 Springer Timothy A (Director) Option Ex 5,105,725 .00 0
2024-03-26 Springer Timothy A (Director) Option Ex 1,970,443 1.46 2,876,846
2024-03-18 Springer Timothy A (Director) Buy 19,844 .60 11,895
2024-03-15 Springer Timothy A (Director) Buy 538,700 .57 315,109
2024-03-14 Springer Timothy A (Director) Buy 650,372 .54 352,479
2024-03-13 Springer Timothy A (Director) Buy 3,200 .58 1,868
2024-03-12 Springer Timothy A (Director) Buy 1,200 .61 734
2024-03-11 Springer Timothy A (Director) Buy 1,200 .65 784
2024-03-08 Springer Timothy A (Director) Buy 4,800 .66 3,187
2024-02-07 Springer Timothy A (Director) Buy 2,400 .66 1,574
2024-02-06 Springer Timothy A (Director) Buy 800 .65 520
2024-01-17 Springer Timothy A (Director) Buy 800 .69 552
2023-09-25 Brunn Carsten (President and CEO) Sale 2,932 1.06 3,107
2023-09-25 Traber Peter G (Chief Medical Officer) Sale 705 1.06 747
2022-12-01 Brunn Carsten (President and CEO) Option Ex 10,938 .00 0
2022-09-28 Brunn Carsten (President and CEO) Sale 2,692 1.66 4,471
2022-09-02 Brunn Carsten (President and CEO) Sale 4,768 1.85 8,811
2022-09-01 Brunn Carsten (President and CEO) Option Ex 10,937 .00 0
2022-06-13 Cox Carrie Smith Buy 130,000 1.15 149,760
2022-06-01 Brunn Carsten (President and CEO) Option Ex 10,938 .00 0
2022-05-09 Barabe Timothy C Buy 50,000 .77 38,700
2022-04-11 Springer Timothy A Buy 6,681,600 .00 0
2022-01-14 Barabe Timothy C Option Ex 10,000 2.10 21,000
2022-01-05 Brunn Carsten (President and CEO) Sale 13,597 3.09 41,960
2022-01-05 Kishimoto Takashi Kei (Chief Scientific Officer) Sale 3,416 3.09 10,541
2022-01-05 Johnston Lloyd P. (Chief Operations Officer) Sale 3,416 3.09 10,541
2022-01-05 Traber Peter G (Chief Medical Officer) Sale 3,226 3.09 9,955
2021-12-15 Springer Timothy A Buy 211,190 2.99 631,035
2021-12-13 Springer Timothy A Buy 14,592 2.98 43,498
2021-12-10 Brunn Carsten (President and CEO) Sale 17,196 2.99 51,364
2021-12-10 Kishimoto Takashi Kei (Chief Scientific Officer) Sale 4,370 2.99 13,053
2021-12-10 Johnston Lloyd P. (Chief Operations Officer) Sale 4,370 2.99 13,053
2021-12-10 Traber Peter G (Chief Medical Officer) Sale 4,083 2.99 12,195
2021-12-10 Springer Timothy A Buy 58,681 2.99 175,456
2021-12-09 Springer Timothy A Buy 3,748,000 3.06 11,468,880
2021-12-03 Cox Carrie Smith Buy 17,200 2.95 50,671
2021-12-02 Tan Kevin (Chief Financial Officer) Buy 5,000 3.02 15,125
2021-12-02 Brunn Carsten (President and CEO) Sale 4,746 2.96 14,067
2021-12-02 Desilva Nishan M Buy 7,000 2.96 20,720
2021-12-01 Brunn Carsten (President and CEO) Option Ex 10,938 .00 0
2021-10-13 Brunn Carsten (President and CEO) Sale 15,313 4.39 67,224
2021-10-13 Kishimoto Takashi Kei (Chief Scientific Officer) Sale 3,892 4.39 17,085
2021-10-13 Johnston Lloyd P. (Chief Operations Officer) Sale 3,892 4.39 17,085
2021-10-13 Traber Peter G (Chief Medical Officer) Sale 3,636 4.39 15,962
2021-09-02 Brunn Carsten (President and CEO) Sale 4,523 4.51 20,398
2021-09-01 Brunn Carsten (President and CEO) Option Ex 10,937 .00 0
2021-08-18 Barabe Timothy C Buy 9,000 4.00 36,000
2021-05-26 Traber Peter G (Chief Medical Officer) Buy 20,000 3.99 79,860
2021-05-26 Springer Timothy A Buy 926,170 4.00 3,705,606
2021-05-25 Springer Timothy A Buy 383,830 3.55 1,362,212
2021-05-24 Springer Timothy A Buy 590,000 3.38 1,991,840
2021-05-21 Springer Timothy A Buy 2,773,479 3.19 8,847,398
2021-05-07 Kishimoto Takashi Kei (Chief Scientific Officer) Option Ex 13,629 2.77 37,752
2021-03-18 Traber Peter G (Chief Medical Officer) Buy 10,000 4.50 45,000
2021-03-17 Johnston Lloyd P. (COO and SVP, R&D) Sale 15,128 4.45 67,319
2021-03-17 Traber Peter G (Chief Medical Officer) Buy 10,000 4.53 45,300
2021-03-02 Brunn Carsten (President and CEO) Sale 5,461 4.26 23,258
2021-03-01 Brunn Carsten (President and CEO) Option Ex 10,937 .00 0
2021-02-11 Johnston Lloyd P. (COO and SVP, R&D) Option Ex 44,871 .63 28,268
2020-12-14 Traber Peter G (Chief Medical Officer) Buy 40,000 3.24 129,440
2020-12-02 Brunn Carsten (President and CEO) Sale 3,323 3.35 11,135
2020-12-01 Brunn Carsten (President and CEO) Option Ex 10,938 .00 0
2020-10-23 Kishimoto Takashi Kei (Chief Scientific Officer) Option Ex 30,000 2.77 83,100
2020-10-23 Springer Timothy A Buy 994,488 2.71 2,700,034
2020-10-22 Springer Timothy A Buy 1,770,204 2.63 4,657,406
2020-10-21 Springer Timothy A Buy 880,000 2.50 2,199,120
2020-10-20 Springer Timothy A Buy 910,000 2.21 2,012,920
2020-10-19 Springer Timothy A Buy 759,500 2.36 1,794,698
2020-10-16 Springer Timothy A Buy 218,196 2.42 528,034
2020-10-09 Springer Timothy A Buy 276,703 2.00 552,575
2020-10-08 Springer Timothy A Buy 530,441 1.89 1,000,942
2020-10-07 Springer Timothy A Buy 654,953 1.65 1,078,707
2020-10-06 Barabe Timothy C Buy 50,000 1.68 84,000
2020-10-06 Springer Timothy A Buy 2,000,000 1.68 3,366,000
2020-09-02 Brunn Carsten (President and CEO) Sale 3,364 2.39 8,033
2020-09-01 Brunn Carsten (President and CEO) Option Ex 10,937 .00 0
2020-06-24 Barabe Timothy C Option Ex 32,840 1.46 47,946
2020-06-02 Brunn Carsten (President and CEO) Sale 3,253 3.86 12,556
2020-06-01 Brunn Carsten (President and CEO) Option Ex 10,938 .00 0
2020-03-17 Barabe Timothy C Buy 5,000 2.00 10,000
2020-03-03 Brunn Carsten (President and CEO) Sale 3,374 3.86 13,010
2020-03-01 Brunn Carsten (President and CEO) Option Ex 10,937 .00 0
2020-01-16 Johnston Lloyd P. (COO and SVP, R&D) Option Ex 5,128 .47 2,410
2019-12-02 Brunn Carsten (President and CEO) Sale 14,272 1.53 21,807
2019-12-01 Brunn Carsten (President and CEO) Option Ex 43,750 .00 0
2019-08-14 Springer Timothy A Buy 10,000 1.74 17,420
2019-08-13 Barabe Timothy C Buy 10,000 1.72 17,200
2019-07-23 Johnston Lloyd P. (COO and SVP, R&D) Option Ex 10,000 .47 4,700
2019-01-25 Farokhzad Omid Buy 83,333 1.50 124,999
2019-01-25 Nashat Amir (Director) Buy 1,166,666 1.50 1,749,999
2019-01-25 Springer Timothy A Buy 4,066,666 1.50 6,099,999
2019-01-07 Kishimoto Takashi Kei (Chief Scientific Officer) Option Ex 36,114 2.77 100,035
2017-11-17 Sands Earl (Chief Medical Officer) Buy 7,500 10.26 76,965
2017-11-14 Abraham David (GC, CCO & Corporate Secretary) Buy 5,405 9.25 49,996
2017-11-14 Springer Timothy A (Director) Buy 57,598 9.27 534,106
2017-11-13 Cautreels Werner (President and CEO) Buy 20,000 9.31 186,260
2017-11-10 Barabe Timothy C (Director) Buy 2,500 9.00 22,505
2017-11-10 Springer Timothy A (Director) Buy 31,090 9.03 280,895
2017-11-09 Barabe Timothy C (Director) Buy 2,500 9.73 24,335
2017-11-09 Springer Timothy A (Director) Buy 27,000 9.54 257,715
2017-09-26 Nashat Amir (Director) Sale 70,226 18.91 1,328,114
2017-09-25 Nashat Amir (Director) Sale 37,175 18.99 705,878
2017-09-22 Nashat Amir (Director) Sale 42,036 19.26 809,781
2017-09-21 Nashat Amir (Director) Sale 104,577 19.86 2,076,794
2017-09-20 Siewers David (CFO and Treasurer) Sale 16,424 20.00 328,480
2017-09-20 Siewers David (CFO and Treasurer) Option Ex 16,424 .63 10,347
2017-09-20 Nashat Amir (Director) Sale 42,610 20.03 853,393
2017-07-03 Johnston Lloyd P. (COO and SVP, R*D) Sale 5,959 19.41 115,688
2017-07-03 Johnston Lloyd P. (COO and SVP, R*D) Option Ex 5,959 2.77 16,506
2017-06-30 Siewers David (Chief Financial Officer) Sale 7,420 20.00 148,407
2017-06-30 Siewers David (Chief Financial Officer) Option Ex 7,420 .63 4,674
2017-06-29 Siewers David (Chief Financial Officer) Sale 9,652 20.00 193,040
2017-06-29 Siewers David (Chief Financial Officer) Option Ex 9,616 .55 5,288
2017-06-27 Keller Peter (Chief Business Officer) Sale 4,595 19.30 88,683
2017-06-27 Keller Peter (Chief Business Officer) Option Ex 4,595 .63 2,894
2017-06-27 Springer Timothy A (Director) Buy 338,791 17.71 5,999,988
2017-06-26 Siewers David (Chief Financial Officer) Sale 6,886 20.00 137,720
2017-06-15 Johnston Lloyd P. (COO and SVP, R*D) Sale 20,512 17.00 348,642
2017-06-15 Johnston Lloyd P. (COO and SVP, R*D) Option Ex 20,512 .47 9,640
2017-06-01 Springer Timothy A (Director) Buy 518 13.75 7,122
2017-05-18 Springer Timothy A Buy 4,860 14.00 68,040
2017-05-17 Springer Timothy A Buy 11,244 14.01 157,483
2017-05-16 Kania Edwin M Jr (Director) Sale 266,795 14.00 3,735,130
2017-04-17 Johnston Lloyd P. (COO AND SVP, R&D) Sale 13,205 13.95 184,209
2017-04-17 Johnston Lloyd P. (COO AND SVP, R&D) Option Ex 13,205 .39 5,149
2017-03-27 Barabe Timothy C (Director) Option Ex 2,492 11.00 27,412
2017-03-23 Farokhzad Omid (Director) Option Ex 60,000 5.23 313,800
2017-01-23 Johnston Lloyd P. (COO AND SVP, R&D) Sale 15,000 14.06 210,900
2017-01-23 Johnston Lloyd P. (COO AND SVP, R&D) Option Ex 15,000 .39 5,850
2016-12-28 Kishimoto Takashi Kei (Chief Scientific Officer) Sale 10,000 17.55 175,500
2016-12-28 Kishimoto Takashi Kei (Chief Scientific Officer) Option Ex 10,000 2.77 27,700
2016-12-21 Abraham David (CCO, Gen.Counsel, Corp.Sec.) Sale 14,844 18.00 267,192
2016-12-21 Abraham David (CCO, Gen.Counsel, Corp.Sec.) Option Ex 12,280 .47 5,771
2016-12-19 Keller Peter (Chief Business Officer) Sale 4,723 18.58 87,753
2016-06-27 Osage Partners, Llc (10% Owner) Buy 350,000 14.00 4,900,000
2016-06-27 Nanodimension Limited Partnership (10% Owner) Buy 385,000 14.00 5,390,000
2016-06-27 Nashat Amir (Director) Buy 150,000 14.00 2,100,000
2016-06-27 Rusnano (10% Owner) Buy 107,143 14.00 1,500,002
2016-06-27 Polaris Venture Partners Special Founders' Fund V, L.p. (10% Owner) Buy 150,000 14.00 2,100,000
2016-06-27 Gordon Carl L (Director) Buy 550,000 14.00 7,700,000
2016-06-27 Isaly Samuel D (Director) Buy 1,100,000 14.00 15,400,000
2016-06-27 Springer Timothy A (Director) Buy 710,000 14.00 9,940,000

Insider trading activities including stock purchases, stock sales, and option exercises of RNAC listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Cartesian Therapeutics, Inc. (symbol RNAC, CIK number 1453687) see the Securities and Exchange Commission (SEC) website.



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