SNSE

Sensei Biotherapeutics, Inc.

Pharmaceutical PreparationsNasdaq<br>Emerging growth company

Total Trades

43

Buys

36

Sells

5

Largest Trade

$1M+

Insiders

4

Institutional Funds

8

Inst. Value

$100K–$500K

Activist Filings

16

Insider Trades

InsiderTitleTypeValueSharesPriceDate
Cambrian BioPharma Inc10% OwnerEXERCISE$1K–$15K395$6.40Dec 10, 2025
Cambrian BioPharma Inc10% OwnerSELL$50K–$100K7K$8.25Dec 10, 2025
Peyer James10% OwnerSELL$50K–$100K7K$8.25Dec 10, 2025
Peyer James10% OwnerEXERCISE$1K–$15K395$6.40Dec 10, 2025
Cambrian BioPharma Inc10% OwnerSELL$100K–$500K21K$10.93Dec 8, 2025
Peyer James10% OwnerSELL$100K–$500K21K$10.93Dec 8, 2025
Celebi JohnPresident and CEOBUY<$1K500$0.85Sep 13, 2023
Apeiron Investment Group Ltd.10% OwnerSELL$1M+3.4M$1.58Jun 2, 2023
Apeiron Investment Group Ltd.10% OwnerBUY$1K–$15K2K$1.61Feb 28, 2023
Cambrian BioPharma Inc10% OwnerBUY$1K–$15K1K$3.20Mar 2, 2022
Peyer JamesDirectorBUY$1K–$15K1K$3.20Mar 2, 2022
Peyer JamesDirectorBUY$1K–$15K3K$3.60Mar 1, 2022
Cambrian BioPharma Inc10% OwnerBUY$1K–$15K3K$3.60Mar 1, 2022
Peyer JamesDirectorBUY$1K–$15K3K$3.65Feb 28, 2022
Cambrian BioPharma Inc10% OwnerBUY$1K–$15K3K$3.65Feb 28, 2022
Cambrian BioPharma Inc10% OwnerBUY$50K–$100K18K$3.65Feb 25, 2022
Peyer JamesDirectorBUY$50K–$100K18K$3.65Feb 25, 2022
Peyer JamesDirectorBUY$50K–$100K20K$4.02Feb 22, 2022
Cambrian BioPharma Inc10% OwnerBUY$50K–$100K20K$4.02Feb 22, 2022
Cambrian BioPharma Inc10% OwnerBUY$50K–$100K13K$4.19Feb 16, 2022
Peyer JamesDirectorBUY$50K–$100K13K$4.19Feb 16, 2022
Peyer JamesDirectorBUY$50K–$100K18K$4.45Feb 15, 2022
Cambrian BioPharma Inc10% OwnerBUY$50K–$100K18K$4.45Feb 15, 2022
Cambrian BioPharma Inc10% OwnerBUY$100K–$500K30K$4.53Feb 8, 2022
Peyer JamesDirectorBUY$100K–$500K30K$4.53Feb 8, 2022
Cambrian BioPharma Inc10% OwnerBUY$50K–$100K15K$4.26Jan 31, 2022
Peyer JamesDirectorBUY$50K–$100K15K$4.26Jan 31, 2022
Peyer JamesDirectorBUY$100K–$500K50K$4.72Jan 27, 2022
Cambrian BioPharma Inc10% OwnerBUY$100K–$500K50K$4.72Jan 27, 2022
Peyer JamesDirectorBUY$100K–$500K47K$4.82Jan 25, 2022
Cambrian BioPharma Inc10% OwnerBUY$100K–$500K47K$4.82Jan 25, 2022
Peyer JamesDirectorBUY$100K–$500K30K$5.10Jan 21, 2022
Cambrian BioPharma Inc10% OwnerBUY$100K–$500K30K$5.10Jan 21, 2022
Peyer JamesDirectorBUY$50K–$100K10K$5.08Jan 20, 2022
Cambrian BioPharma Inc10% OwnerBUY$50K–$100K10K$5.08Jan 20, 2022
Peyer JamesDirectorBUY$100K–$500K26K$5.10Jan 18, 2022
Cambrian BioPharma Inc10% OwnerBUY$100K–$500K26K$5.10Jan 18, 2022
Peyer JamesDirectorBUY$100K–$500K20K$5.20Jan 13, 2022
Cambrian BioPharma Inc10% OwnerBUY$100K–$500K20K$5.20Jan 13, 2022
Peyer JamesDirectorBUY$50K–$100K10K$5.28Jan 11, 2022
Cambrian BioPharma Inc10% OwnerBUY$50K–$100K10K$5.28Jan 11, 2022
Peyer JamesDirectorBUY$1K–$15K1K$4.85Jan 3, 2022
Cambrian BioPharma Inc10% OwnerBUY$1K–$15K1K$4.85Jan 3, 2022
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Institutional Ownership

13F filings as of Dec 31, 2025 · 8 funds holding

FundShares
Ikarian Capital, LLC21K
RENAISSANCE TECHNOLOGIES LLC12K
CITIGROUP INC294
JPMORGAN CHASE & CO32
MORGAN STANLEY10
BNP PARIBAS FINANCIAL MARKETS9
BNP PARIBAS7
SBI Securities Co., Ltd.4

Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

Trails Edge Capital Partners, LP

SC 13G · Feb 25, 2026

9.9%

126K shares

Newtyn Partners, LP

SC 13D/A · Mar 7, 2024

2.2%

554K shares

Newtyn Partners, LP

SC 13D/A · Feb 13, 2024

3.1%

769K shares

Newtyn Partners, LP

SC 13D · Nov 3, 2023

3.9%

1.0M shares

James Peyer

SC 13G/A · Aug 4, 2023

0.0%

0 shares

0.0%

0 shares

Presight Sensei Co-Invest Fund, L.P.

SC 13D/A · May 23, 2023

3.1%

956K shares

3.1%

956K shares

James Peyer

SC 13G/A · Feb 14, 2023

0.0%

0 shares

James Peyer

SC 13G/A · Feb 13, 2023

0.0%

0 shares

Presight Sensei Co-Invest Fund, L.P.

SC 13D/A · Nov 21, 2022

3.1%

956K shares

3.1%

956K shares

3.1%

956K shares

James Peyer

SC 13G/A · Jun 10, 2022

0.0%

0 shares

H&S Investments I LP

SC 13G · Feb 14, 2022

14.5%

4.4M shares

Presight Sensei Co-Invest Fund, L.P.

SC 13G/A · Feb 10, 2022

3.1%

956K shares

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