Sensei Biotherapeutics, Inc. (SNSE)

Latest Insider Confidence Score

2026Q1

47.9
Bearish

Company insider confidence (by quarter)

2021Q1 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Samueli Henry — 4,361,835 Feb 10, 2021
H&S Investments I Lp — 4,361,835 Feb 10, 2021
H&S Ventures Llc — 4,361,835 Feb 10, 2021
Schulman Michael — 4,361,835 Feb 10, 2021
Samueli Susan — 4,361,835 Feb 10, 2021

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Feb 17, 2026 Feb 19, 2026 Parikh Anand Kiran COO Neutral 52.5 - 0.00% ✗ -
Feb 19, 2026 Parikh Anand Kiran COO Neutral 52.5 - 0.00% ✗ -
Feb 13, 2026 Feb 17, 2026 Donenberg Phillip B. Director Neutral 52.5 - 0.00% ✗ -
Feb 17, 2026 Donenberg Phillip B. Director Neutral 52.5 - 0.00% ✗ -
Dec 9, 2025 Dec 10, 2025 Cambrian BioPharma Inc 10% Owner Sell 22.5 -6,612 -1.05% ✗ $54.6K
Dec 8, 2025 Dec 10, 2025 Peyer James 10% Owner Sell 22.5 -6,612 -1.05% ✗ $54.6K
Dec 4, 2025 Dec 8, 2025 Cambrian BioPharma Inc 10% Owner Sell 22.5 -21,295 -11.66% ✗ $232.7K
Dec 4, 2025 Dec 8, 2025 Peyer James 10% Owner Sell 22.5 -21,295 -11.66% ✗ $232.7K
Nov 24, 2025 Gerry Christopher President Neutral 52.5 - 0.00% ✗ -
May 21, 2025 May 23, 2025 Cambrian BioPharma Inc 10% Owner Neutral 52.5 - 0.00% ✗ -
May 21, 2025 May 23, 2025 RICKS THOMAS G Director Neutral 52.5 - 0.00% ✗ -
May 21, 2025 May 23, 2025 Peyer James Director Neutral 52.5 - 0.00% ✗ -
May 21, 2025 May 23, 2025 Humer Kristian Director Neutral 52.5 - 0.00% ✗ -
May 21, 2025 May 23, 2025 Holmen Bob Director Neutral 52.5 - 0.00% ✗ -
May 21, 2025 May 23, 2025 RINGO WILLIAM R Director Neutral 52.5 - 0.00% ✗ -
Feb 19, 2025 Feb 26, 2025 Celebi John CEO Sell 47.5 -5,558 -4.99% ✗ $2.6K
Feb 19, 2025 Feb 26, 2025 van der Horst Edward CHIEF SCIENTIFIC OFFICER Sell 47.5 -2,276 -3.67% ✗ $1.1K
Feb 14, 2025 Feb 14, 2025 Krebs Stephanie Chief Business Officer Neutral 52.5 - 0.00% ✗ -
Feb 14, 2025 Feb 14, 2025 Craver Josiah Principal Financial Officer Neutral 52.5 - 0.00% ✗ -
Feb 14, 2025 Feb 14, 2025 Celebi John CEO Neutral 52.5 - 0.00% ✗ -
Feb 14, 2025 Feb 14, 2025 van der Horst Edward CHIEF SCIENTIFIC OFFICER Neutral 52.5 - 0.00% ✗ -
Dec 20, 2024 Dec 23, 2024 Krebs Stephanie Chief Business Officer Neutral 52.5 - 0.00% ✗ -
Dec 20, 2024 Dec 23, 2024 van der Horst Edward CHIEF SCIENTIFIC OFFICER Neutral 52.5 - 0.00% ✗ -
Dec 20, 2024 Dec 23, 2024 Craver Josiah Principal Financial Officer Neutral 52.5 - 0.00% ✗ -
Dec 20, 2024 Dec 23, 2024 Celebi John CEO Neutral 52.5 - 0.00% ✗ -
Sep 26, 2024 Craver Josiah Principal Financial Officer Neutral 52.5 - 0.00% ✗ -
Jun 11, 2024 Jun 13, 2024 Cambrian BioPharma Inc 10% Owner Neutral 52.5 - 0.00% ✗ -
Jun 11, 2024 Jun 13, 2024 Peyer James Director Neutral 52.5 - 0.00% ✗ -
Jun 11, 2024 Jun 13, 2024 Holmen Bob Director Neutral 52.5 - 0.00% ✗ -
Jun 11, 2024 Jun 13, 2024 English Jessie Director Neutral 52.5 - 0.00% ✗ -
Jun 11, 2024 Jun 13, 2024 Humer Kristian Director Neutral 52.5 - 0.00% ✗ -
Jun 11, 2024 Jun 13, 2024 RINGO WILLIAM R Director Neutral 52.5 - 0.00% ✗ -
Jun 11, 2024 Jun 13, 2024 RICKS THOMAS G Director Neutral 52.5 - 0.00% ✗ -
Jun 11, 2024 Jun 13, 2024 Vojta Deneen Director Neutral 52.5 - 0.00% ✗ -
May 16, 2024 Gaiero David G Principal Financial Officer Neutral 52.5 - 0.00% ✗ -
Feb 15, 2024 Feb 16, 2024 van der Horst Edward CHIEF SCIENTIFIC OFFICER Sell 47.5 -2,843 -4.83% ✗ $2.2K
Feb 15, 2024 Feb 16, 2024 Celebi John CEO Sell 47.5 -5,891 -5.29% ✗ $4.7K
Feb 15, 2024 Feb 16, 2024 Colgan Erin CFO Sell 47.5 -3,627 -5.10% ✗ $2.9K
Nov 1, 2023 Nov 2, 2023 Krebs Stephanie Chief Business Officer Neutral 52.5 - 0.00% ✗ -
Nov 2, 2023 Krebs Stephanie Chief Business Officer Neutral 52.5 - 0.00% ✗ -
Sep 11, 2023 Sep 13, 2023 Celebi John CEO Buy 60.0 +500 0.45% ✗ $425
Feb 15, 2023 Sep 11, 2023 Gallagher Patrick Stephen Chief Business Officer Sell 46.3 -9,383 -21.56% ✗ $14.1K
Feb 15, 2023 Sep 11, 2023 van der Horst Edward Chief Scientific Officer Sell 46.3 -9,525 -15.26% ✗ $14.3K
Feb 15, 2023 Sep 11, 2023 Celebi John CEO Sell 46.3 -20,492 -15.61% ✗ $30.7K
Feb 15, 2023 Sep 11, 2023 Colgan Erin CFO Sell 46.3 -10,943 -13.85% ✗ $16.4K
Jul 31, 2023 Aug 2, 2023 Cambrian BioPharma Inc 10% Owner Sell 17.5 -1,587,302 -30.29% ✗ $2M
Jul 31, 2023 Aug 2, 2023 Peyer James Director Sell 17.5 -1,587,302 -30.29% ✗ $2M
Jul 10, 2023 Jul 12, 2023 RINGO WILLIAM R Director Neutral 90.0 +4,466 23.59% ✗ -
Jul 10, 2023 Jul 12, 2023 RICKS THOMAS G Director Neutral 77.5 +4,466 1.32% ✗ -
Jul 10, 2023 Jul 12, 2023 Broder Samuel Director Neutral 90.0 +4,466 100.00% ✗ -
Jul 10, 2023 Jul 12, 2023 Humer Kristian Director Neutral 90.0 +4,466 100.00% ✗ -
Jul 10, 2023 Jul 12, 2023 English Jessie Director Neutral 90.0 +4,466 100.00% ✗ -
Jul 10, 2023 Jul 12, 2023 Vojta Deneen Director Neutral 90.0 +4,466 100.00% ✗ -
Jul 10, 2023 Jul 12, 2023 Holmen Bob Director Neutral 90.0 +4,466 21.13% ✗ -
Jul 10, 2023 Jul 12, 2023 Peyer James Director Neutral 55.0 +4,466 0.09% ✗ -
Jul 10, 2023 Jul 12, 2023 Cambrian BioPharma Inc 10% Owner Neutral 55.0 +4,466 0.09% ✗ -
Jun 1, 2023 Jun 2, 2023 Apeiron Investment Group Ltd. 10% Owner Sell 16.3 -3,441,661 -100.00% ✗ $5.4M
Feb 15, 2023 Mar 29, 2023 Colgan Erin CFO Neutral 90.0 +51,346 185.46% ✗ -
Feb 15, 2023 Mar 29, 2023 Celebi John CEO Neutral 90.0 +73,193 125.96% ✗ -
Feb 15, 2023 Mar 29, 2023 Gallagher Patrick Stephen Chief Business Officer Neutral 90.0 +43,513 100.00% ✗ -
Jun 10, 2022 Mar 7, 2023 Cambrian BioPharma Inc 10% Owner Neutral 55.0 +4,466 0.09% ✗ -
Feb 23, 2023 Feb 27, 2023 Apeiron Investment Group Ltd. 10% Owner Buy 55.0 +2,200 0.06% ✗ $3.5K
Feb 15, 2023 Feb 17, 2023 van der Horst Edward Chief Scientific Officer Neutral 90.0 +41,265 194.89% ✗ -
Feb 15, 2023 Feb 17, 2023 Gallagher Patrick Stephen Chief Business Officer Neutral 90.0 +43,513 148.43% ✗ -
Feb 15, 2023 Feb 17, 2023 Colgan Erin CFO Neutral 90.0 +51,346 236.77% ✗ -
Feb 15, 2023 Feb 17, 2023 Celebi John CEO Neutral 90.0 +73,193 135.26% ✗ -
Dec 16, 2022 van der Horst Edward Chief Scientific Officer Neutral 52.5 - 0.00% ✗ -
Sep 1, 2022 Pierce Robert Hamilton Chief R&D Officer Neutral 52.5 - 0.00% ✗ -
Jun 10, 2022 Aug 1, 2022 Peyer James Director Neutral 55.0 +4,466 0.09% ✗ -
Aug 1, 2022 Peyer James Director Neutral 52.5 - 0.00% ✗ -
Jul 20, 2022 Apeiron Investment Group Ltd. 10% Owner Neutral 52.5 - 0.00% ✗ -
Jun 10, 2022 Jun 14, 2022 Cambrian BioPharma Inc 10% Owner Neutral 55.0 +4,466 0.09% ✗ -
Jun 10, 2022 Jun 14, 2022 Peyer James Director Neutral 55.0 +4,466 0.09% ✗ -
Jun 10, 2022 Jun 14, 2022 Vojta Deneen Director Neutral 90.0 +4,466 100.00% ✗ -
Jun 10, 2022 Jun 14, 2022 English Jessie Director Neutral 90.0 +4,466 100.00% ✗ -
Jun 10, 2022 Jun 14, 2022 RICKS THOMAS G Director Neutral 77.5 +4,466 1.33% ✗ -
Jun 10, 2022 Jun 14, 2022 Humer Kristian Director Neutral 90.0 +4,466 100.00% ✗ -
Jun 10, 2022 Jun 14, 2022 Broder Samuel Director Neutral 90.0 +4,466 100.00% ✗ -
Jun 10, 2022 Jun 14, 2022 Holmen Bob Director Neutral 90.0 +4,466 26.80% ✗ -
Mar 2, 2022 Jun 10, 2022 Peyer James Director Buy 47.5 +1,203 0.02% ✗ $3.8K
Mar 2, 2022 Jun 10, 2022 Cambrian BioPharma Inc 10% Owner Buy 47.5 +1,203 0.02% ✗ $3.8K
Jun 1, 2022 Jun 3, 2022 Gallagher Patrick Stephen Chief Business Officer Neutral 52.5 - 0.00% ✗ -
Jun 3, 2022 Gallagher Patrick Stephen Chief Business Officer Neutral 52.5 - 0.00% ✗ -
Mar 23, 2021 Apr 21, 2022 Peyer James Director Buy 60.0 +9,500 0.20% ✗ $136.2K
Feb 18, 2021 Apr 21, 2022 Peyer James Director Buy 48.8 +752 0.02% ✗ $14.9K
Mar 23, 2021 Apr 21, 2022 Cambrian BioPharma Inc 10% Owner Buy 60.0 +9,500 0.20% ✗ $136.2K
Feb 18, 2021 Apr 21, 2022 Cambrian BioPharma Inc 10% Owner Buy 48.8 +752 0.02% ✗ $14.9K
Mar 8, 2022 Mar 9, 2022 RINGO WILLIAM R Director Neutral 90.0 +18,933 100.00% ✗ -
Mar 9, 2022 RINGO WILLIAM R Director Neutral 52.5 - 0.00% ✗ -
Mar 2, 2022 Mar 2, 2022 Cambrian BioPharma Inc 10% Owner Buy 47.5 +1,203 0.02% ✗ $3.8K
Mar 2, 2022 Mar 2, 2022 Peyer James Director Buy 47.5 +1,203 0.02% ✗ $3.8K
Feb 28, 2022 Mar 1, 2022 Peyer James Director Buy 47.5 +2,500 0.05% ✗ $9K
Feb 28, 2022 Mar 1, 2022 Cambrian BioPharma Inc 10% Owner Buy 47.5 +2,500 0.05% ✗ $9K
Feb 25, 2022 Feb 28, 2022 Peyer James Director Buy 47.5 +2,500 0.05% ✗ $9.1K
Feb 25, 2022 Feb 28, 2022 Cambrian BioPharma Inc 10% Owner Buy 47.5 +2,500 0.05% ✗ $9.1K
Feb 23, 2022 Feb 24, 2022 Cambrian BioPharma Inc 10% Owner Buy 65.0 +17,500 0.34% ✗ $64K
Feb 23, 2022 Feb 24, 2022 Peyer James Director Buy 65.0 +17,500 0.34% ✗ $64K
Feb 17, 2022 Feb 22, 2022 Peyer James Director Buy 65.0 +19,949 0.38% ✗ $80.2K
Feb 17, 2022 Feb 22, 2022 Cambrian BioPharma Inc 10% Owner Buy 65.0 +19,949 0.38% ✗ $80.2K
Feb 15, 2022 Feb 17, 2022 Pierce Robert Hamilton Chief R&D Officer Neutral 90.0 +21,000 100.00% ✗ -