Kalaris Therapeutics KLRS Insider Ownership

NASDAQ KLRS
$2.90 +0.06 (+1.93%)
At close: Sep 29, 2026 · 4:00 PM EDT

Insider Holdings by Owner

16.30Mn Shares

Insider Ownership Statistics

as of 30 Sep, 2026
Insider Ownership
128.07%
■0% pp QoQ
Shares Held by Insiders
30.48Mn
filed for Sep 2026
■0.00% QoQ
Shares Outstanding
23.80Mn
23,797,306 shares
Direct Holdings
2.56Mn
Indirect: 27.92Mn
Net Shares Traded (QoQ)
0
no net change in Sep 2026
Insiders Holding Shares
22
with Form 4 holdings on file

Shares Owned by Insiders

Shares held % of outstanding
Latest —
Average ownership —
Peak ownership —

Shares Purchased/Sold by Insiders

Bought Sold
Latest quarter —
Net over range —
Buying quarters —

Insider Ownership Summary

Quarter ending 30 Sep, 2026

Kalaris Therapeutics's three largest insider shareholders as of September 29, 2026 are Srinivas Akkaraju (Director, 12.92Mn shares), Srinivas Akkaraju (Director, 11.44Mn shares), Morana Jovan-Embiricos (Director, 1.15Mn shares).

Form 4 Holdings

Insiders Holding KLRS

Insiders 22
Shares held 16.30Mn
Of outstanding 68.51%
# Insider Position Direct Indirect Total Share of Insiders Last Filed
1 Srinivas Akkaraju Director, TenPercentOwner 0 12,915,520 12,915,520 79.2% 22 May, 2026
2 Llc Elevatebio, Director, TenPercentOwner 725,019 0 725,019 4.4% 01 Aug, 2022
3 Ansbert Gadicke Director, TenPercentOwner 0 725,019 725,019 4.4% 01 Aug, 2022
4 Sciences, Inc. Gilead TenPercentOwner 723,302 0 723,302 4.4% 28 Jun, 2023
5 Napoleone Ferrara Director 504,000 0 504,000 3.1% 18 Mar, 2025
6 Samir Chandrakant Patel Director 252,000 100,800 352,800 2.2% 18 Mar, 2025
7 Juan Vera Director 104,784 0 104,784 0.6% 07 Jun, 2024
8 David Hallal Chief Executive Officer 93,206 0 93,206 0.6% 07 Jun, 2024
9 Vikas Sinha Director, Officer, TenPercentOwner 49,129 0 49,129 0.3% 24 Feb, 2025
10 Diana Brainard Chief Executive Officer 31,452 0 31,452 0.2% 20 Nov, 2024
11 Agustin Melian Chief Medical Officer 19,719 0 19,719 0.1% 05 Oct, 2021
12 Beek Jeroen B Van Chief Commercial Officer 14,510 0 14,510 0.1% 18 Nov, 2022
13 Edward Miller General Counsel 6,517 0 6,517 0.0% 24 Feb, 2025
14 Cintia Piccina Chief Commercial Officer 6,392 0 6,392 0.0% 05 Jul, 2023
15 Ercem Atillasoy Officer 5,712 0 5,712 0.0% 26 Oct, 2022
16 Jeffrey S Bornstein Director 4,791 0 4,791 0.0% 07 Jun, 2024
17 Morana Jovan-Embiricos Director, TenPercentOwner 4,357 0 4,357 0.0% 07 Jun, 2024
18 Malcolm Brenner Director 4,357 0 4,357 0.0% 07 Jun, 2024
19 Matthew Feinsod Chief Medical Officer 4,030 0 4,030 0.0% 18 Mar, 2025
20 Shawn Tomasello Director 3,044 0 3,044 0.0% 07 Jun, 2024
21 Derek N. Adams Director 3,044 0 3,044 0.0% 07 Jun, 2024
22 Ann M. Leen Chief Scientific Officer 1,870 0 1,870 0.0% 17 Aug, 2022

Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.

Form 4 Filings

537 Insider Transactions

Source SEC Form 4
Latest quarter Sep 2026
Download Data
Date Insider Position Transaction Shares Price Value Shares Held After Ownership
27 Aug, 2026 Amy O'Leary Vandekop Vp, Corporate Controller Acquired A 10,000 $0.00 $0 10,000 Direct
01 Aug, 2026 Laurie Keating Director Acquired A 18,000 $0.00 $0 18,000 Direct
20 Jul, 2026 Liisa Ann Bayko Chief Financial Officer Acquired A 220,000 $0.00 $0 220,000 Direct
03 Jun, 2026 Napoleone Ferrara Director Acquired A 9,000 $0.00 $0 9,000 Direct
03 Jun, 2026 Morana Jovan-Embiricos Director Acquired A 9,000 $0.00 $0 9,000 Direct
03 Jun, 2026 Srinivas Akkaraju Director Acquired A 9,000 $0.00 $0 9,000 Direct
03 Jun, 2026 Michael Dybbs Director Acquired A 9,000 $0.00 $0 9,000 Direct
03 Jun, 2026 Leone D Patterson Director Acquired A 9,000 $0.00 $0 9,000 Direct
03 Jun, 2026 David Hallal Director Acquired A 9,000 $0.00 $0 9,000 Direct
03 Jun, 2026 Anthony P Adamis Director Acquired A 9,000 $0.00 $0 9,000 Direct
20 May, 2026 Srinivas Akkaraju Director, TenPercentOwner Acquired P 244,300 $4.83 $1.18Mn 2,224,147 Indirect
20 May, 2026 Srinivas Akkaraju Director, TenPercentOwner Disposed J 66,906 $0.00 $0 10,657,028 Indirect
20 May, 2026 Srinivas Akkaraju Director, TenPercentOwner Acquired J 14,937 $0.00 $0 14,937 Indirect
20 May, 2026 Srinivas Akkaraju Director, TenPercentOwner Acquired J 4,471 $0.00 $0 19,408 Indirect
20 Mar, 2026 Brett R Hagen Chief Accounting Officer Disposed S 1,915 $6.72 $12.87K 0 Direct
19 Mar, 2026 Brett R Hagen Chief Accounting Officer Acquired A 60,800 $0.00 $0 60,800 Direct
19 Mar, 2026 Andrew Oxtoby Director, Officer Acquired A 222,000 $0.00 $0 222,000 Direct
19 Mar, 2026 Matthew Gall Chief Financial Officer Acquired A 95,000 $0.00 $0 95,000 Direct
19 Mar, 2026 Matthew Feinsod Chief Medical Officer Acquired A 135,000 $0.00 $0 135,000 Direct
18 Dec, 2025 Srinivas Akkaraju Director, TenPercentOwner Acquired P 479,847 $10.42 $5.00Mn 1,979,847 Indirect