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United States Biotechnology & Medical Research

Sensei Biotherapeutics Inc (SNSE)

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Over the last 90 days, Sensei Biotherapeutics Inc. has seen significant insider selling, with a net value of -$239,081. Notably, executives had a net buy value of $236,561. The CFO, Brian C. Stephenson, made multiple buy transactions totaling over $360,000. Conversely, significant sell transactions were reported by Peyer James and Cambrian BioPharma Inc.
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Ticker: SNSE Exchange: NMS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
STEPHENSON BRIAN C
Chief Financial Officer
3 purchases — total 300,000 USD
Buy 23 Jun 2026
Value US$1,621,675.38 | Price 294.06 | Shares 2,712
Buy 23 Jun 2026
Value US$3,066,463.90 | Price 156.72 | Shares 76,220
Buy 23 Jun 2026
Value US$100,000.00 | Price 24.12 | Shares 1,000
Buy 22 Jun 2026
Value US$4,801,810.49 | Price 383.20 | Shares 88,461
Buy 22 Jun 2026
Value US$1,925,178.77 | Price 432.98 | Shares 96,488
Buy 22 Jun 2026
Value US$100,000.00 | Price 22.40 | Shares 1,000
Buy 22 Jun 2026
Value US$100,000.00 | Price 20.82 | Shares 1,000
Buy 22 Jun 2026
Value US$100,000.00 | Price 20.23 | Shares 1,000
Buy 22 Jun 2026
Value US$100,000.00 | Price 19.76 | Shares 1,000
Sale 1 Jun 2026
Value US$10,062.64 | Price 21.14 | Shares 476
Sale 1 Jun 2026
Value US$490,480.00 | Price 20.00 | Shares 24,524
Sale 1 Jun 2026
Value US$10,062.64 | Price 21.14 | Shares 476
Sale 1 Jun 2026
Value US$490,480.00 | Price 20.00 | Shares 24,524
Proposed sale 29 Apr 2026
Value US$4,956,786.00 | Price 31.95 | Shares 155,142
Sale 7 Apr 2026
Value US$36,985.04 | Price 33.38 | Shares 1,108
Sale 7 Apr 2026
Value US$9,674.01 | Price 32.25 | Shares 300
Sale 7 Apr 2026
Value US$138,812.76 | Price 31.38 | Shares 4,423
Sale 7 Apr 2026
Value US$6,091.49 | Price 29.71 | Shares 205
Sale 7 Apr 2026
Value US$61,211.70 | Price 28.94 | Shares 2,115
Buy 7 Apr 2026
Value US$36,985.04 | Price 33.38 | Shares 1,108
Sale 6 Apr 2026
Value US$1,438.33 | Price 31.96 | Shares 45
Sale 6 Apr 2026
Value US$37,661.56 | Price 31.02 | Shares 1,214
Buy 6 Apr 2026
Value US$34,246.08 | Price 31.02 | Shares 1,104
Sale 2 Apr 2026
Value US$39,463.99 | Price 34.80 | Shares 1,134
Sale 2 Apr 2026
Value US$12,471.78 | Price 33.35 | Shares 374
Sale 2 Apr 2026
Value US$58,491.76 | Price 32.60 | Shares 1,794
Sale 2 Apr 2026
Value US$40,165.02 | Price 31.75 | Shares 1,265
Sale 2 Apr 2026
Value US$95,646.92 | Price 30.86 | Shares 3,099
Buy 2 Apr 2026
Value US$24,918.59 | Price 35.55 | Shares 701
Buy 2 Apr 2026
Value US$44,344.06 | Price 34.75 | Shares 1,276
Buy 2 Apr 2026
Value US$870.23 | Price 33.47 | Shares 26
Sale 1 Apr 2026
Value US$1,598.33 | Price 34.75 | Shares 46
Sale 1 Apr 2026
Value US$34,798.08 | Price 31.52 | Shares 1,104
Buy 1 Apr 2026
Value US$120,583.82 | Price 35.46 | Shares 3,401
Buy 1 Apr 2026
Value US$55,787.70 | Price 34.59 | Shares 1,613
Buy 1 Apr 2026
Value US$36,607.37 | Price 31.53 | Shares 1,161
Sale 31 Mar 2026
Value US$2,742.24 | Price 31.52 | Shares 87
Sale 31 Mar 2026
Value US$142.02 | Price 28.41 | Shares 5
Sale 31 Mar 2026
Value US$1,545.54 | Price 27.11 | Shares 57
Sale 31 Mar 2026
Value US$31,484.67 | Price 25.17 | Shares 1,251
Sale 31 Mar 2026
Value US$4,638.30 | Price 24.28 | Shares 191
Buy 31 Mar 2026
Value US$13,397.04 | Price 32.60 | Shares 411
Buy 31 Mar 2026
Value US$61,550.00 | Price 31.45 | Shares 1,957
Buy 31 Mar 2026
Value US$5,668.42 | Price 30.48 | Shares 186
Buy 31 Mar 2026
Value US$472.32 | Price 27.78 | Shares 17
Buy 31 Mar 2026
Value US$28,008.74 | Price 26.73 | Shares 1,048
Buy 31 Mar 2026
Value US$44,817.99 | Price 25.32 | Shares 1,770
Buy 31 Mar 2026
Value US$15,206.39 | Price 24.69 | Shares 616
Sale 30 Mar 2026
Value US$10,241.60 | Price 27.68 | Shares 370
Sale 30 Mar 2026
Value US$13,390.35 | Price 25.85 | Shares 518
Buy 30 Mar 2026
Value US$10,241.60 | Price 27.68 | Shares 370
Buy 30 Mar 2026
Value US$31,399.20 | Price 26.70 | Shares 1,176
Buy 30 Mar 2026
Value US$129,820.05 | Price 25.99 | Shares 4,995
Buy 30 Mar 2026
Value US$75,034.57 | Price 25.08 | Shares 2,992
Sale 27 Mar 2026
Value US$985.28 | Price 27.37 | Shares 36
Sale 27 Mar 2026
Value US$12,552.88 | Price 26.77 | Shares 469
Buy 27 Mar 2026
Value US$8,270.25 | Price 28.13 | Shares 294
Buy 27 Mar 2026
Value US$119,606.92 | Price 27.28 | Shares 4,384
Buy 27 Mar 2026
Value US$279,839.59 | Price 26.29 | Shares 10,643
Sale 26 Mar 2026
Value US$36,548.77 | Price 28.69 | Shares 1,274
Sale 26 Mar 2026
Value US$15,670.87 | Price 26.88 | Shares 583
Buy 26 Mar 2026
Value US$30,728.27 | Price 29.98 | Shares 1,025
Buy 26 Mar 2026
Value US$75,048.99 | Price 28.85 | Shares 2,601
Buy 26 Mar 2026
Value US$37,085.27 | Price 27.95 | Shares 1,327
Buy 26 Mar 2026
Value US$21,182.37 | Price 27.23 | Shares 778
Proposed sale 24 Feb 2026
Value US$116,356.25 | Price 34.49 | Shares 3,374
Proposed sale 18 Feb 2026
Value US$25,769.19 | Price 27.13 | Shares 950
Proposed sale 27 Jan 2026
Value US$11,485.83 | Price 9.83 | Shares 1,169
Sale 9 Dec 2025
Value US$3,532.32 | Price 7.92 | Shares 446
Sale 9 Dec 2025
Value US$3,175.80 | Price 8.04 | Shares 395
Sale 9 Dec 2025
Value US$21,194.70 | Price 7.95 | Shares 2,666
Sale 9 Dec 2025
Value US$3,532.32 | Price 7.92 | Shares 446
Sale 9 Dec 2025
Value US$3,175.80 | Price 8.04 | Shares 395
Sale 9 Dec 2025
Value US$21,194.70 | Price 7.95 | Shares 2,666
Sale 9 Dec 2025
Value US$26,671.95 | Price 8.59 | Shares 3,105
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-06-24 2026-06-23 B Purchase
1.5
STEPHENSON BRIAN C

Chief Financial Officer

Officer
2,712 +43.0%
294.06
US$1,621,675 		2,712 +43.0% 294.06 US$1,621,675
2026-06-24 2026-06-23 B Purchase
1.5
STEPHENSON BRIAN C

Chief Financial Officer

Officer
76,220 -45.0%
156.72
US$3,066,464 		76,220 -45.0% 156.72 US$3,066,464
2026-06-24 2026-06-23 B Purchase
1.5
STEPHENSON BRIAN C

Chief Financial Officer

Officer
31,611 +36.3%
88.38
US$4,975,701 		31,611 +36.3% 88.38 US$4,975,701
2026-06-24 2026-06-22 B Purchase
1.5
STEPHENSON BRIAN C

Chief Financial Officer

Officer
1,000 +4.5%
23.95
US$100,000 		1,000 +4.5% 23.95 US$100,000
2026-06-24 2026-06-22 B Purchase
1.5
STEPHENSON BRIAN C

Chief Financial Officer

Officer
1,000 +74.0%
23.28
US$100,000 		1,000 +74.0% 23.28 US$100,000
2026-06-24 2026-06-22 B Purchase
1.5
STEPHENSON BRIAN C

Chief Financial Officer

Officer
1,000 +54.3%
22.40
US$100,000 		1,000 +54.3% 22.40 US$100,000
2026-06-24 2026-06-22 B Purchase
1.5
STEPHENSON BRIAN C

Chief Financial Officer

Officer
1,000 +62.2%
20.82
US$100,000 		1,000 +62.2% 20.82 US$100,000
2026-06-24 2026-06-22 B Purchase
1.5
STEPHENSON BRIAN C

Chief Financial Officer

Officer
1,000 +inf%
20.23
US$100,000 		1,000 +inf% 20.23 US$100,000
2026-06-24 2026-06-22 B Purchase
Parikh Anand Kiran

President and CEO

Executive Director
1,000 +0.4%
19.76
US$100,000 		1,000 +0.4% 19.76 US$100,000
2026-06-01 2026-06-01 S Sale
1.8
Peyer James

See remarks below

Large shareholder
476 -0.4%
21.14
US$10,063 		476 -0.4% 21.14 US$10,063
2026-06-01 2026-06-01 S Sale
1.8
Peyer James

See remarks below

Large shareholder
24,524 -15.8%
20.00
US$490,480 		24,524 -15.8% 20.00 US$490,480
2026-06-01 2026-06-01 S Sale
1.8
Cambrian BioPharma Inc
Large shareholder
476 -0.4%
21.14
US$10,063 		476 -0.4% 21.14 US$10,063
2026-06-01 2026-06-01 S Sale
1.8
Cambrian BioPharma Inc
Large shareholder
24,524 -15.8%
20.00
US$490,480 		24,524 -15.8% 20.00 US$490,480
2026-04-29 2026-04-29 PrS Proposed sale
1.8
Cambrian BioPharma Inc

10% Stockholder

Large shareholder
155,142
31.95
US$4,956,786 		155,142 31.95 US$4,956,786
2026-05-15 2026-04-07 S Sale
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
1,108 -0.8%
33.38
US$36,985 		1,108 -0.8% 33.38 US$36,985
2026-05-15 2026-04-07 S Sale
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
300 -0.2%
32.25
US$9,674 		300 -0.2% 32.25 US$9,674
2026-05-15 2026-04-07 S Sale
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
4,423 -3.2%
31.38
US$138,813 		4,423 -3.2% 31.38 US$138,813
2026-05-15 2026-04-07 S Sale
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
205 -0.2%
29.71
US$6,091 		205 -0.2% 29.71 US$6,091
2026-05-15 2026-04-07 S Sale
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
2,115 -1.6%
28.94
US$61,212 		2,115 -1.6% 28.94 US$61,212
2026-05-15 2026-04-07 B Purchase
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
1,108 +0.8%
33.38
US$36,985 		1,108 +0.8% 33.38 US$36,985
2026-05-15 2026-04-06 S Sale
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
45 -0.0%
31.96
US$1,438 		45 -0.0% 31.96 US$1,438
2026-05-15 2026-04-06 S Sale
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
1,214 -0.9%
31.02
US$37,662 		1,214 -0.9% 31.02 US$37,662
2026-05-15 2026-04-06 B Purchase
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
1,104 +0.8%
31.02
US$34,246 		1,104 +0.8% 31.02 US$34,246
2026-05-15 2026-04-02 S Sale
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
1,134 -0.8%
34.80
US$39,464 		1,134 -0.8% 34.80 US$39,464
2026-05-15 2026-04-02 S Sale
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
374 -0.3%
33.35
US$12,472 		374 -0.3% 33.35 US$12,472
2026-05-15 2026-04-02 S Sale
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
1,794 -1.2%
32.60
US$58,492 		1,794 -1.2% 32.60 US$58,492
2026-05-15 2026-04-02 S Sale
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
1,265 -0.9%
31.75
US$40,165 		1,265 -0.9% 31.75 US$40,165
2026-05-15 2026-04-02 S Sale
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
3,099 -2.1%
30.86
US$95,647 		3,099 -2.1% 30.86 US$95,647
2026-05-15 2026-04-02 B Purchase
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
701 +0.5%
35.55
US$24,919 		701 +0.5% 35.55 US$24,919
2026-05-15 2026-04-02 B Purchase
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
1,276 +0.9%
34.75
US$44,344 		1,276 +0.9% 34.75 US$44,344
2026-05-15 2026-04-02 B Purchase
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
26 +0.0%
33.47
US$870 		26 +0.0% 33.47 US$870
2026-05-15 2026-04-01 S Sale
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
46 -0.0%
34.75
US$1,598 		46 -0.0% 34.75 US$1,598
2026-05-15 2026-04-01 S Sale
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
1,104 -0.7%
31.52
US$34,798 		1,104 -0.7% 31.52 US$34,798
2026-05-15 2026-04-01 B Purchase
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
3,401 +2.4%
35.46
US$120,584 		3,401 +2.4% 35.46 US$120,584
2026-05-15 2026-04-01 B Purchase
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
1,613 +1.1%
34.59
US$55,788 		1,613 +1.1% 34.59 US$55,788
2026-05-15 2026-04-01 B Purchase
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
1,161 +0.8%
31.53
US$36,607 		1,161 +0.8% 31.53 US$36,607
2026-05-15 2026-03-31 S Sale
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
87 -0.1%
31.52
US$2,742 		87 -0.1% 31.52 US$2,742
2026-05-15 2026-03-31 S Sale
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
5 -0.0%
28.41
US$142 		5 -0.0% 28.41 US$142
2026-05-15 2026-03-31 S Sale
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
57 -0.0%
27.11
US$1,546 		57 -0.0% 27.11 US$1,546
2026-05-15 2026-03-31 S Sale
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
1,251 -0.8%
25.17
US$31,485 		1,251 -0.8% 25.17 US$31,485
2026-05-15 2026-03-31 S Sale
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
191 -0.1%
24.28
US$4,638 		191 -0.1% 24.28 US$4,638
2026-05-15 2026-03-31 B Purchase
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
411 +0.3%
32.60
US$13,397 		411 +0.3% 32.60 US$13,397
2026-05-15 2026-03-31 B Purchase
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
1,957 +1.4%
31.45
US$61,550 		1,957 +1.4% 31.45 US$61,550
2026-05-15 2026-03-31 B Purchase
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
186 +0.1%
30.48
US$5,668 		186 +0.1% 30.48 US$5,668
2026-05-15 2026-03-31 B Purchase
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
17 +0.0%
27.78
US$472 		17 +0.0% 27.78 US$472
2026-05-15 2026-03-31 B Purchase
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
1,048 +0.7%
26.73
US$28,009 		1,048 +0.7% 26.73 US$28,009
2026-05-15 2026-03-31 B Purchase
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
1,770 +1.2%
25.32
US$44,818 		1,770 +1.2% 25.32 US$44,818
2026-05-15 2026-03-31 B Purchase
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
616 +0.4%
24.69
US$15,206 		616 +0.4% 24.69 US$15,206
2026-05-15 2026-03-30 S Sale
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
370 -0.3%
27.68
US$10,242 		370 -0.3% 27.68 US$10,242
2026-05-15 2026-03-30 S Sale
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
518 -0.4%
25.85
US$13,390 		518 -0.4% 25.85 US$13,390
2026-05-15 2026-03-30 B Purchase
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
370 +0.3%
27.68
US$10,242 		370 +0.3% 27.68 US$10,242
2026-05-15 2026-03-30 B Purchase
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
1,176 +0.8%
26.70
US$31,399 		1,176 +0.8% 26.70 US$31,399
2026-05-15 2026-03-30 B Purchase
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
4,995 +3.6%
25.99
US$129,820 		4,995 +3.6% 25.99 US$129,820
2026-05-15 2026-03-30 B Purchase
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
2,992 +2.1%
25.08
US$75,035 		2,992 +2.1% 25.08 US$75,035
2026-05-15 2026-03-27 S Sale
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
36 -0.0%
27.37
US$985 		36 -0.0% 27.37 US$985
2026-05-15 2026-03-27 S Sale
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
469 -0.3%
26.77
US$12,553 		469 -0.3% 26.77 US$12,553
2026-05-15 2026-03-27 B Purchase
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
294 +0.2%
28.13
US$8,270 		294 +0.2% 28.13 US$8,270
2026-05-15 2026-03-27 B Purchase
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
4,384 +3.2%
27.28
US$119,607 		4,384 +3.2% 27.28 US$119,607
2026-05-15 2026-03-27 B Purchase
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
10,643 +8.1%
26.29
US$279,840 		10,643 +8.1% 26.29 US$279,840
2026-05-15 2026-03-26 S Sale
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
1,274 -1.0%
28.69
US$36,549 		1,274 -1.0% 28.69 US$36,549
2026-05-15 2026-03-26 S Sale
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
583 -0.4%
26.88
US$15,671 		583 -0.4% 26.88 US$15,671
2026-05-15 2026-03-26 B Purchase
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
1,025 +0.8%
29.98
US$30,728 		1,025 +0.8% 29.98 US$30,728
2026-05-15 2026-03-26 B Purchase
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
2,601 +2.0%
28.85
US$75,049 		2,601 +2.0% 28.85 US$75,049
2026-05-15 2026-03-26 B Purchase
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
1,327 +1.0%
27.95
US$37,085 		1,327 +1.0% 27.95 US$37,085
2026-05-15 2026-03-26 B Purchase
2.4
MILLENNIUM MANAGEMENT LLC
Large shareholder
778 +0.6%
27.23
US$21,182 		778 +0.6% 27.23 US$21,182
2026-02-24 2026-02-24 PrS Proposed sale
0.8
Celebi John

Former Officer

Officer
3,374
34.49
US$116,356 		3,374 34.49 US$116,356
2026-02-18 2026-02-18 PrS Proposed sale
1.8
Peyer James

Fomer Director

Non-Executive Director
950
27.13
US$25,769 		950 27.13 US$25,769
2026-01-27 2026-01-27 PrS Proposed sale
RINGO WILLIAM R

Former Director

Non-Executive Director
1,169
9.83
US$11,486 		1,169 9.83 US$11,486
2025-12-10 2025-12-09 S Sale
1.8
Peyer James

See remarks below

Large shareholder
446 -0.3%
7.92
US$3,532 		446 -0.3% 7.92 US$3,532
2025-12-10 2025-12-09 S Sale
1.8
Peyer James

See remarks below

Large shareholder
395 -0.3%
8.04
US$3,176 		395 -0.3% 8.04 US$3,176
2025-12-10 2025-12-09 S Sale
1.8
Peyer James

See remarks below

Large shareholder
2,666 -1.7%
7.95
US$21,195 		2,666 -1.7% 7.95 US$21,195
2025-12-10 2025-12-09 S Sale
1.8
Cambrian BioPharma Inc
Large shareholder
446 -0.3%
7.92
US$3,532 		446 -0.3% 7.92 US$3,532
2025-12-10 2025-12-09 S Sale
1.8
Cambrian BioPharma Inc
Large shareholder
395 -0.3%
8.04
US$3,176 		395 -0.3% 8.04 US$3,176
2025-12-10 2025-12-09 S Sale
1.8
Cambrian BioPharma Inc
Large shareholder
2,666 -1.7%
7.95
US$21,195 		2,666 -1.7% 7.95 US$21,195
2025-12-10 2025-12-09 S Sale
1.8
Cambrian BioPharma Inc
Large shareholder
3,105 -1.9%
8.59
US$26,672 		3,105 -1.9% 8.59 US$26,672
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