Kalaris Therapeutics, Inc. ($KLRS) Insider Transactions

Last updated: 2026-03-23 21:02 UTC | Total transactions: 130

In the last 12 months, insiders at Kalaris Therapeutics, Inc. ($KLRS) filed 130 transactions with the SEC: 1 open-market purchases totaling $5,000,006 and 92 sales totaling $242,958. Net insider sentiment: net buying.

Kalaris Therapeutics, Inc. operates in the Biological products, (no disgnostic substances) industry (Life sciences sector).

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View all SEC Filings for Kalaris Therapeutics, Inc. (KLRS).

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Recent Insider Transactions

Transaction Date Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 19, 2026 Hagen Brett R Chief Accounting Officer A Stock Option (Right to Buy) 60800 $0.00 60,800.0000 18,702,418 9999.99% 0.33%
March 20, 2026 Hagen Brett R Chief Accounting Officer S Common Stock 1915 $6.72 0.0000 18,702,418 100.00% 0.01%
March 19, 2026 Feinsod Matthew Chief Medical Officer A Stock Option (Right to Buy) 135000 $0.00 135,000.0000 18,702,418 9999.99% 0.72%
March 19, 2026 Gall Matthew Chief Financial Officer A Stock Option (Right to Buy) 95000 $0.00 95,000.0000 18,702,418 9999.99% 0.51%
March 19, 2026 Oxtoby Andrew See Remarks A Stock Option (Right to Buy) 222000 $0.00 222,000.0000 18,702,418 9999.99% 1.19%
Dec. 18, 2025 AKKARAJU SRINIVAS Not found P Common Stock 479847 $10.42 12,948,081.0000 18,702,418 3.85% 2.57%
Dec. 22, 2025 AKKARAJU SRINIVAS Not found A Common Stock 1500000 $10.00 12,948,081.0000 18,702,418 13.10% 8.02%
Nov. 3, 2025 Gall Matthew Chief Financial Officer A Stock Option (Right to Buy) 235000 $0.00 235,000.0000 5,043,357 9999.99% 4.66%
April 10, 2025 PATTERSON LEONE D Not found A Stock Option (Right to Buy) 18000 $0.00 18,000.0000 5,043,357 9999.99% 0.36%
April 10, 2025 Hagen Brett R Chief Accounting Officer A Stock Option (Right to Buy) 50262 $0.00 50,262.0000 5,043,357 9999.99% 1.00%
April 10, 2025 ADAMIS ANTHONY P Not found A Stock Option (Right to Buy) 18000 $0.00 18,000.0000 5,043,357 9999.99% 0.36%
April 10, 2025 Feinsod Matthew Chief Medical Officer A Stock Option (Right to Buy) 70551 $0.00 70,551.0000 5,043,357 9999.99% 1.40%
April 10, 2025 Feinsod Matthew Chief Medical Officer A Stock Option (Right to Buy) 101000 $0.00 101,000.0000 5,043,357 9999.99% 2.00%
April 10, 2025 AKKARAJU SRINIVAS Not found A Stock Option (Right to Buy) 18000 $0.00 18,000.0000 5,043,357 9999.99% 0.36%
April 10, 2025 Hallal David Not found A Stock Option (Right to Buy) 18000 $0.00 18,000.0000 5,043,357 9999.99% 0.36%
April 10, 2025 Oxtoby Andrew See Remarks A Stock Option (Right to Buy) 287000 $0.00 287,000.0000 5,043,357 9999.99% 5.69%
April 10, 2025 Dybbs Michael Not found A Stock Option (Right to Buy) 18000 $0.00 18,000.0000 5,043,357 9999.99% 0.36%
April 10, 2025 Ferrara Napoleone Not found A Stock Option (Right to Buy) 18000 $0.00 18,000.0000 5,043,357 9999.99% 0.36%
April 10, 2025 PATEL SAMIR CHANDRAKANT Not found A Stock Option (Right to Buy) 18000 $0.00 18,000.0000 5,043,357 9999.99% 0.36%
April 10, 2025 Jovan-Embiricos Morana Not found A Stock Option (Right to Buy) 18000 $0.00 18,000.0000 5,043,357 9999.99% 0.36%
March 26, 2025 Hagen Brett R Chief Accounting Officer S Common Stock 907 $8.97 1,925.0000 5,043,357 32.03% 0.02%
March 18, 2025 ADAMIS ANTHONY P Not found A Stock Option (right to buy) 19484 $0.00 19,484.0000 5,043,357 9999.99% 0.39%
March 18, 2025 ADAMIS ANTHONY P Not found A Stock Option (right to buy) 12989 $0.00 12,989.0000 5,043,357 9999.99% 0.26%
March 18, 2025 AKKARAJU SRINIVAS Not found A Common Stock 11444503 $0.00 11,444,503.0000 5,043,357 9999.99% 100.00%
March 18, 2025 PATEL SAMIR CHANDRAKANT Not found A Common Stock 252000 $0.00 352,800.0000 5,043,357 250.00% 5.00%
March 18, 2025 Ferrara Napoleone Not found A Common Stock 504000 $0.00 504,000.0000 5,043,357 9999.99% 9.99%
March 18, 2025 PATEL SAMIR CHANDRAKANT Not found A Common Stock 100800 $0.00 352,800.0000 5,043,357 40.00% 2.00%
March 18, 2025 PATEL SAMIR CHANDRAKANT Not found A Stock Option (right to buy) 105913 $0.00 105,913.0000 5,043,357 9999.99% 2.10%
March 18, 2025 Feinsod Matthew Chief Medical Officer A Common Stock 4030 $0.00 4,030.0000 5,043,357 9999.99% 0.08%
March 18, 2025 Feinsod Matthew Chief Medical Officer A Stock Option (right to buy) 28224 $0.00 28,224.0000 5,043,357 9999.99% 0.56%
March 18, 2025 Oxtoby Andrew See Remarks A Stock Option (right to buy) 476611 $0.00 476,611.0000 5,043,357 9999.99% 9.45%
Feb. 21, 2025 Sinha Vikas See Remarks S Common Stock 303 $10.08 774,118.0000 0 0.04% 0.00%
Feb. 21, 2025 Miller Edward General Counsel S Common Stock 106 $10.08 21,575.0000 0 0.49% 0.00%
Feb. 21, 2025 Hagen Brett R Chief Accounting Officer S Common Stock 96 $10.08 2,832.0000 0 3.28% 0.00%
Jan. 23, 2025 Sinha Vikas See Remarks S Common Stock 116 $9.45 774,434.0000 0 0.01% 0.00%
Jan. 23, 2025 Hagen Brett R Chief Accounting Officer S Common Stock 32 $9.45 2,932.0000 0 1.08% 0.00%
Jan. 23, 2025 Hagen Brett R Chief Accounting Officer S Common Stock 4 $9.94 2,928.0000 0 0.14% 0.00%
Jan. 23, 2025 Sinha Vikas See Remarks S Common Stock 13 $9.94 774,421.0000 0 0.00% 0.00%
Jan. 23, 2025 Miller Edward General Counsel S Common Stock 47 $9.45 21,686.0000 0 0.22% 0.00%
Jan. 23, 2025 Miller Edward General Counsel S Common Stock 5 $9.94 21,681.0000 0 0.02% 0.00%
Jan. 10, 2025 Sinha Vikas See Remarks S Common Stock 979 $0.44 17,814,681.0000 0 0.01% 0.00%
Jan. 10, 2025 Hagen Brett R Chief Accounting Officer S Common Stock 332 $0.44 68,174.0000 0 0.48% 0.00%
Jan. 10, 2025 Miller Edward General Counsel S Common Stock 409 $0.44 499,889.0000 0 0.08% 0.00%
Dec. 11, 2024 Miller Edward General Counsel G Common Stock 57549 $0.00 500,298.0000 0 13.00% 0.00%
Dec. 11, 2024 Miller Edward General Counsel G Common Stock 57549 $0.00 500,298.0000 0 10.32% 0.00%
Nov. 19, 2024 Sinha Vikas See Remarks S Common Stock 3186 $0.55 17,815,660.0000 0 0.02% 0.00%
Nov. 19, 2024 Miller Edward General Counsel S Common Stock 432 $0.55 500,298.0000 0 0.09% 0.00%
Nov. 19, 2024 Brainard Diana Chief Executive Officer S Common Stock 8706 $0.55 723,363.0000 0 1.19% 0.00%
Nov. 19, 2024 Hagen Brett R Chief Accounting Officer S Common Stock 554 $0.55 68,506.0000 0 0.80% 0.00%
Nov. 5, 2024 Miller Edward General Counsel S Common Stock 2272 $0.86 500,730.0000 0 0.45% 0.00%
Nov. 5, 2024 Hagen Brett R Chief Accounting Officer S Common Stock 1655 $0.86 69,060.0000 0 2.34% 0.00%
Nov. 5, 2024 Sinha Vikas See Remarks S Common Stock 5136 $0.86 17,818,846.0000 0 0.03% 0.00%
Nov. 5, 2024 Brainard Diana Chief Executive Officer S Common Stock 10609 $0.86 732,069.0000 0 1.43% 0.00%
Oct. 21, 2024 Sinha Vikas See Remarks S Common Stock 1546 $0.78 17,825,864.0000 0 0.01% 0.00%
Oct. 22, 2024 Sinha Vikas See Remarks S Common Stock 1882 $0.77 17,823,982.0000 0 0.01% 0.00%
Oct. 21, 2024 Brainard Diana Chief Executive Officer S Common Stock 9752 $0.78 742,678.0000 0 1.30% 0.00%
Oct. 21, 2024 Hagen Brett R Chief Accounting Officer S Common Stock 479 $0.78 71,201.0000 0 0.67% 0.00%
Oct. 22, 2024 Hagen Brett R Chief Accounting Officer S Common Stock 486 $0.77 70,715.0000 0 0.68% 0.00%
Oct. 21, 2024 Miller Edward General Counsel S Common Stock 635 $0.78 503,768.0000 0 0.13% 0.00%
Oct. 22, 2024 Miller Edward General Counsel S Common Stock 766 $0.77 503,002.0000 0 0.15% 0.00%
Oct. 3, 2024 Sinha Vikas See Remarks S Common Stock 940 $0.81 17,827,410.0000 0 0.01% 0.00%
Oct. 3, 2024 Miller Edward General Counsel S Common Stock 377 $0.81 504,403.0000 0 0.07% 0.00%
Oct. 3, 2024 Brainard Diana Chief Executive Officer S Common Stock 1493 $0.81 752,430.0000 0 0.20% 0.00%
Oct. 3, 2024 Hagen Brett R Chief Accounting Officer S Common Stock 301 $0.81 71,680.0000 0 0.42% 0.00%
Aug. 20, 2024 Brainard Diana Chief Executive Officer S Common Stock 5390 $0.74 753,923.0000 0 0.71% 0.00%
Aug. 19, 2024 Hagen Brett R Chief Accounting Officer S Common Stock 544 $0.76 71,981.0000 0 0.75% 0.00%
Aug. 19, 2024 Sinha Vikas See Remarks S Common Stock 3159 $0.76 17,828,350.0000 0 0.02% 0.00%
Aug. 19, 2024 Brainard Diana Chief Executive Officer S Common Stock 3091 $0.76 759,313.0000 0 0.41% 0.00%
Aug. 19, 2024 Miller Edward General Counsel S Common Stock 422 $0.76 504,780.0000 0 0.08% 0.00%
Aug. 5, 2024 Hagen Brett R Chief Accounting Officer S Common Stock 1692 $0.73 72,525.0000 0 2.28% 0.00%
Aug. 5, 2024 Sinha Vikas See Remarks S Common Stock 5251 $0.73 17,831,509.0000 0 0.03% 0.00%
Aug. 5, 2024 Brainard Diana Chief Executive Officer S Common Stock 10847 $0.73 762,404.0000 0 1.40% 0.00%
Aug. 5, 2024 Miller Edward General Counsel S Common Stock 2323 $0.73 505,202.0000 0 0.46% 0.00%
July 19, 2024 Hagen Brett R Chief Accounting Officer S Common Stock 479 $0.75 74,698.0000 0 0.64% 0.00%
July 22, 2024 Hagen Brett R Chief Accounting Officer S Common Stock 481 $0.74 74,217.0000 0 0.64% 0.00%
July 19, 2024 Brainard Diana Chief Executive Officer S Common Stock 9731 $0.75 773,251.0000 0 1.24% 0.00%
July 19, 2024 Sinha Vikas See Remarks S Common Stock 1542 $0.75 17,838,618.0000 0 0.01% 0.00%
July 22, 2024 Sinha Vikas See Remarks S Common Stock 1858 $0.74 17,836,760.0000 0 0.01% 0.00%
July 19, 2024 Miller Edward General Counsel S Common Stock 634 $0.75 508,282.0000 0 0.12% 0.00%
July 22, 2024 Miller Edward General Counsel S Common Stock 757 $0.74 507,525.0000 0 0.15% 0.00%
July 2, 2024 Brainard Diana Chief Executive Officer S Common Stock 1489 $0.72 782,982.0000 0 0.19% 0.00%
July 2, 2024 Miller Edward General Counsel S Common Stock 379 $0.72 508,916.0000 0 0.07% 0.00%
July 2, 2024 Sinha Vikas See Remarks S Common Stock 939 $0.72 17,840,160.0000 0 0.01% 0.00%
July 2, 2024 Hagen Brett R Chief Accounting Officer S Common Stock 304 $0.72 75,177.0000 0 0.40% 0.00%
June 6, 2024 Vera Juan Not found A Common Stock 35000 $0.00 2,409,928.0000 0 1.47% 0.00%
June 6, 2024 Tomasello Shawn Not found A Common Stock 35000 $0.00 70,000.0000 0 100.00% 0.00%
June 6, 2024 Jovan-Embiricos Morana Not found A Common Stock 35000 $0.00 26,603,054.0000 0 0.13% 0.00%
June 6, 2024 Brenner Malcolm Not found A Common Stock 35000 $0.00 263,929.0000 0 15.29% 0.00%
June 6, 2024 Hallal David Not found A Common Stock 35000 $0.00 19,677,546.0000 0 0.18% 0.00%
June 6, 2024 Adams Derek N. Not found A Common Stock 35000 $0.00 70,000.0000 0 100.00% 0.00%
June 6, 2024 Bornstein Jeffrey S Not found A Common Stock 35000 $0.00 110,197.0000 0 46.54% 0.00%
May 21, 2024 Brainard Diana Chief Executive Officer S Common Stock 5149 $0.79 784,471.0000 0 0.65% 0.00%
May 17, 2024 Sinha Vikas See Remarks S Common Stock 3143 $0.75 17,804,762.0000 0 0.02% 0.00%
May 17, 2024 Hagen Brett R Chief Accounting Officer S Common Stock 541 $0.75 75,481.0000 0 0.71% 0.00%
May 17, 2024 Brainard Diana Chief Executive Officer S Common Stock 3075 $0.75 789,620.0000 0 0.39% 0.00%
May 17, 2024 Miller Edward General Counsel S Common Stock 420 $0.75 509,295.0000 0 0.08% 0.00%
May 3, 2024 Hagen Brett R Chief Accounting Officer S Common Stock 1597 $0.80 76,022.0000 0 2.06% 0.00%
May 3, 2024 Sinha Vikas See Remarks S Common Stock 4957 $0.80 17,807,905.0000 0 0.03% 0.00%
May 3, 2024 Miller Edward General Counsel S Common Stock 2311 $0.80 509,715.0000 0 0.45% 0.00%
May 3, 2024 Brainard Diana Chief Executive Officer S Common Stock 10240 $0.80 792,695.0000 0 1.28% 0.00%
April 19, 2024 Brainard Diana Chief Executive Officer S Common Stock 9601 $0.75 802,935.0000 0 1.18% 0.00%
April 19, 2024 Sinha Vikas See Remarks S Common Stock 1521 $0.75 17,814,719.0000 0 0.01% 0.00%
April 22, 2024 Sinha Vikas See Remarks S Common Stock 1857 $0.75 17,812,862.0000 0 0.01% 0.00%
April 22, 2024 Miller Edward General Counsel S Common Stock 757 $0.75 512,026.0000 0 0.15% 0.00%
April 19, 2024 Miller Edward General Counsel S Common Stock 626 $0.75 512,783.0000 0 0.12% 0.00%
April 22, 2024 Hagen Brett R Chief Accounting Officer S Common Stock 480 $0.75 77,619.0000 0 0.61% 0.00%
April 19, 2024 Hagen Brett R Chief Accounting Officer S Common Stock 473 $0.75 78,099.0000 0 0.60% 0.00%
April 2, 2024 Sinha Vikas See Remarks S Common Stock 885 $0.77 17,816,240.0000 0 0.00% 0.00%
April 2, 2024 Miller Edward General Counsel S Common Stock 368 $0.77 513,409.0000 0 0.07% 0.00%
April 2, 2024 Brainard Diana Chief Executive Officer S Common Stock 1533 $0.77 812,536.0000 0 0.19% 0.00%
April 2, 2024 Hagen Brett R Chief Accounting Officer S Common Stock 281 $0.77 78,572.0000 0 0.36% 0.00%
Feb. 20, 2024 Hagen Brett R Chief Accounting Officer S Common Stock 494 $0.70 78,853.0000 0 0.62% 0.00%
Feb. 20, 2024 Brainard Diana Chief Executive Officer S Common Stock 3097 $0.70 819,224.0000 0 0.38% 0.00%
Feb. 21, 2024 Brainard Diana Chief Executive Officer S Common Stock 5155 $0.71 814,069.0000 0 0.63% 0.00%
Feb. 20, 2024 Miller Edward General Counsel S Common Stock 385 $0.70 513,777.0000 0 0.07% 0.00%
Feb. 20, 2024 Sinha Vikas See Remarks S Common Stock 2893 $0.70 17,817,125.0000 0 0.02% 0.00%
Feb. 8, 2024 Hagen Brett R Chief Accounting Officer S Common Stock 11150 $0.67 79,347.0000 0 12.32% 0.00%
Feb. 5, 2024 Hagen Brett R Chief Accounting Officer S Common Stock 5792 $0.67 90,497.0000 0 6.02% 0.00%
Feb. 5, 2024 Brainard Diana Chief Executive Officer S Common Stock 41421 $0.67 822,321.0000 0 4.80% 0.00%
Feb. 5, 2024 Sinha Vikas See Remarks S Common Stock 18331 $0.67 17,820,018.0000 0 0.10% 0.00%
Feb. 5, 2024 Miller Edward General Counsel S Common Stock 8869 $0.67 514,162.0000 0 1.70% 0.00%
Jan. 23, 2024 Hagen Brett R Chief Accounting Officer S Common Stock 901 $0.67 96,289.0000 0 0.93% 0.00%
Jan. 23, 2024 Sinha Vikas See Remarks S Common Stock 3205 $0.67 17,838,349.0000 0 0.02% 0.00%
Jan. 23, 2024 Brainard Diana Chief Executive Officer S Common Stock 9500 $0.67 863,742.0000 0 1.09% 0.00%
Jan. 23, 2024 Miller Edward General Counsel S Common Stock 1302 $0.67 523,031.0000 0 0.25% 0.00%
Jan. 4, 2024 Miller Edward General Counsel S Common Stock 424 $0.64 524,333.0000 0 0.08% 0.00%
Jan. 4, 2024 Hagen Brett R Chief Accounting Officer S Common Stock 310 $0.64 97,190.0000 0 0.32% 0.00%
Jan. 4, 2024 Brainard Diana Chief Executive Officer S Common Stock 1664 $0.64 873,242.0000 0 0.19% 0.00%
Jan. 4, 2024 Sinha Vikas See Remarks S Common Stock 961 $0.64 17,841,554.0000 0 0.01% 0.00%
Dec. 27, 2023 Hagen Brett R Chief Accounting Officer S Common Stock 28335 $0.74 97,500.0000 0 22.52% 0.00%