Stock chart
Ticker: TERN Exchange: NSM


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Earnings
Earnings
 
Value bought

Past 90 days

 
Value sold

Past 90 days

 
Net insiders buying

Past 90 days

 
Trades (buy and sell)

Past 90 days

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned 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
2025-04-02 2025-04-01 S Sale

Kuriakose Emil

Chief Medical Officer

Officer
952 -1.8%
2.49
USD 2,366
952 -1.8% 2.49 USD 2,366
2025-01-06 2025-01-06 PS Planned sale

Quigley Jill M.

Non-Executive Director
8,760 -100.0%
5.79
USD 50,758
8,760 -100.0% 5.79 USD 50,758
2025-01-06 2025-01-06 PS Planned sale

Vignola Mark J.

Chief Financial Officer

Officer
9,059 -10.8%
5.80
USD 52,500
9,059 -10.8% 5.80 USD 52,500
2025-01-06 2025-01-02 S Sale

Quigley Jill M.

Non-Executive Director
6,240 -41.6%
5.72
USD 35,702
6,240 -41.6% 5.72 USD 35,702
2025-01-06 2025-01-02 S Sale

Vignola Mark J.

Chief Financial Officer

Officer
8,129 -8.8%
5.72
USD 46,524
8,129 -8.8% 5.72 USD 46,524
2025-01-06 2025-01-02 S Sale

Kuriakose Emil

Chief Medical Officer

Officer
4,481 -7.6%
5.71
USD 25,607
4,481 -7.6% 5.71 USD 25,607
2024-12-09 2024-12-05 PP Planned purchase

Burroughs Amy L.

Chief Executive Officer

Executive Director
15,450 +423.4%
7.15
USD 110,468
15,450 +423.4% 7.15 USD 110,468
2025-02-03 2024-11-30 PP Planned purchase

Jung Melita Sun

Chief Business Officer

Officer
2,250 +inf%
5.11
USD 11,498
2,250 +inf% 5.11 USD 11,498
2025-02-03 2024-11-30 PP Planned purchase

Burroughs Amy L.

Chief Executive Officer

Executive Director
510 +2.7%
5.11
USD 2,606
510 +2.7% 5.11 USD 2,606
2024-09-17 2024-09-12 B Purchase

Lu Hongbo

Non-Executive Director
285,714 +150.0%
10.50
USD 2,999,997
285,714 +150.0% 10.50 USD 2,999,997
2024-09-17 2024-09-12 B Purchase

Lu Hongbo

Non-Executive Director
190,476 +inf%
10.50
USD 1,999,998
190,476 +inf% 10.50 USD 1,999,998
2024-09-12 2024-09-10 PS Planned sale

Vignola Mark J.

Chief Financial Officer

Officer
10,000 -9.8%
11.00
USD 110,000
10,000 -9.8% 11.00 USD 110,000
2024-09-11 2024-09-09 PS Planned sale

Quigley Jill M.

Non-Executive Director
17,235 -53.5%
10.00
USD 172,350
17,235 -53.5% 10.00 USD 172,350
2024-08-05 2024-08-02 PS Planned sale

Quigley Jill M.

Non-Executive Director
8,857 -37.1%
7.50
USD 66,432
8,857 -37.1% 7.50 USD 66,432
2024-08-05 2024-08-01 S Sale

Quigley Jill M.

Non-Executive Director
6,143 -20.5%
7.68
USD 47,148
6,143 -20.5% 7.68 USD 47,148
2024-07-17 2024-07-16 S Sale

GORDON CARL L

Non-Executive Director Large shareholder
623 -0.1%
10.00
USD 6,230
623 -0.1% 10.00 USD 6,230
2024-07-17 2024-07-16 S Sale

GORDON CARL L

Non-Executive Director Large shareholder
556 -0.0%
10.00
USD 5,560
556 -0.0% 10.00 USD 5,560
2024-07-17 2024-07-16 S Sale

GORDON CARL L

Non-Executive Director Large shareholder
4,009 -0.1%
10.00
USD 40,090
4,009 -0.1% 10.00 USD 40,090
2024-07-17 2024-07-16 S Sale

ORBIMED ADVISORS LLC

Non-Executive Director Large shareholder
623 -0.1%
10.00
USD 6,230
623 -0.1% 10.00 USD 6,230
2024-07-17 2024-07-16 S Sale

ORBIMED ADVISORS LLC

Non-Executive Director Large shareholder
556 -0.0%
10.00
USD 5,560
556 -0.0% 10.00 USD 5,560
2024-07-17 2024-07-16 S Sale

ORBIMED ADVISORS LLC

Non-Executive Director Large shareholder
4,009 -0.1%
10.00
USD 40,090
4,009 -0.1% 10.00 USD 40,090
2024-07-17 2024-07-16 PS Planned sale

Quigley Jill M.

Non-Executive Director
400 -1.3%
10.00
USD 4,000
400 -1.3% 10.00 USD 4,000
2024-07-17 2024-07-15 S Sale

GORDON CARL L

Non-Executive Director Large shareholder
6,142 -0.8%
10.00
USD 61,420
6,142 -0.8% 10.00 USD 61,420
2024-07-17 2024-07-15 S Sale

GORDON CARL L

Non-Executive Director Large shareholder
5,401 -0.3%
10.00
USD 54,010
5,401 -0.3% 10.00 USD 54,010
2024-07-17 2024-07-15 S Sale

GORDON CARL L

Non-Executive Director Large shareholder
39,433 -0.8%
10.00
USD 394,330
39,433 -0.8% 10.00 USD 394,330
2024-07-17 2024-07-15 S Sale

ORBIMED ADVISORS LLC

Non-Executive Director Large shareholder
6,142 -0.8%
10.00
USD 61,420
6,142 -0.8% 10.00 USD 61,420
2024-07-17 2024-07-15 S Sale

ORBIMED ADVISORS LLC

Non-Executive Director Large shareholder
5,401 -0.3%
10.00
USD 54,010
5,401 -0.3% 10.00 USD 54,010
2024-07-17 2024-07-15 S Sale

ORBIMED ADVISORS LLC

Non-Executive Director Large shareholder
39,433 -0.8%
10.00
USD 394,330
39,433 -0.8% 10.00 USD 394,330
2024-07-17 2024-07-15 PS Planned sale

Quigley Jill M.

Non-Executive Director
14,365 -32.4%
10.00
USD 143,660
14,365 -32.4% 10.00 USD 143,660
2024-06-04 2024-05-31 PP Planned purchase

Vignola Mark J.

Chief Financial Officer

Officer
4,791 +5.5%
4.44
USD 21,272
4,791 +5.5% 4.44 USD 21,272
2024-06-04 2024-05-31 PP Planned purchase

Yoon Seokho Bryan

COO and General Counsel

Officer
4,791 +5.5%
4.44
USD 21,272
4,791 +5.5% 4.44 USD 21,272
2024-04-03 2024-04-03 PS Planned sale

Vivo Opportunity, LLC

Large shareholder
4,149 -1.5%
6.20
USD 25,724
4,149 -1.5% 6.20 USD 25,724
2024-04-03 2024-04-03 PS Planned sale

Vivo Opportunity, LLC

Large shareholder
30,047 -1.5%
6.20
USD 186,291
30,047 -1.5% 6.20 USD 186,291
2024-04-03 2024-04-03 PS Planned sale

Vivo Opportunity, LLC

Large shareholder
103,870 -2.5%
6.20
USD 643,994
103,870 -2.5% 6.20 USD 643,994
2024-04-03 2024-04-02 PS Planned sale

Vivo Opportunity, LLC

Large shareholder
3,050 -1.1%
6.65
USD 20,283
3,050 -1.1% 6.65 USD 20,283
2024-04-03 2024-04-02 PS Planned sale

Vivo Opportunity, LLC

Large shareholder
22,084 -1.1%
6.65
USD 146,859
22,084 -1.1% 6.65 USD 146,859
2024-04-03 2024-04-02 PS Planned sale

Vivo Opportunity, LLC

Large shareholder
76,346 -1.8%
6.65
USD 507,701
76,346 -1.8% 6.65 USD 507,701
2024-04-03 2024-04-01 PS Planned sale

Vivo Opportunity, LLC

Large shareholder
5,451 -1.9%
6.99
USD 38,102
5,451 -1.9% 6.99 USD 38,102
2024-04-03 2024-04-01 PS Planned sale

Vivo Opportunity, LLC

Large shareholder
39,411 -1.9%
6.99
USD 275,483
39,411 -1.9% 6.99 USD 275,483
2024-04-03 2024-04-01 PS Planned sale

Vivo Opportunity, LLC

Large shareholder
136,255 -3.1%
6.99
USD 952,422
136,255 -3.1% 6.99 USD 952,422
2023-12-04 2023-11-30 PP Planned purchase

Yoon Seokho Bryan

COO and General Counsel

Officer
743 +4.2%
3.78
USD 2,809
743 +4.2% 3.78 USD 2,809
2023-12-04 2023-11-30 PP Planned purchase

Vignola Mark J.

Chief Financial Officer

Officer
743 +4.2%
3.78
USD 2,809
743 +4.2% 3.78 USD 2,809
2023-06-02 2023-05-31 PP Planned purchase

Vignola Mark J.

Chief Financial Officer

Officer
9,997 +130.5%
1.41
USD 14,096
9,997 +130.5% 1.41 USD 14,096
2023-06-02 2023-05-31 PP Planned purchase

Sundaram Senthil Vel

Chief Executive Officer

Executive Director
2,111 +27.6%
1.41
USD 2,977
2,111 +27.6% 1.41 USD 2,977
2023-06-02 2023-05-31 PP Planned purchase

Yoon Seokho Bryan

COO and General Counsel

Officer
9,997 +130.5%
1.41
USD 14,096
9,997 +130.5% 1.41 USD 14,096
2022-12-28 2022-12-23 B Purchase

GORDON CARL L

Non-Executive Director Large shareholder
137,931 +2.9%
7.25
USD 1,000,000
137,931 +2.9% 7.25 USD 1,000,000
2022-12-28 2022-12-23 B Purchase

ORBIMED ADVISORS LLC

Non-Executive Director Large shareholder
137,931 +2.9%
7.25
USD 1,000,000
137,931 +2.9% 7.25 USD 1,000,000
2022-12-23 2022-12-23 B Purchase

Lu Hongbo

Non-Executive Director
758,620 +21.2%
7.25
USD 5,499,995
758,620 +21.2% 7.25 USD 5,499,995
2022-12-23 2022-12-23 B Purchase

Vivo Opportunity, LLC

Large shareholder
758,620 +21.2%
7.25
USD 5,499,995
758,620 +21.2% 7.25 USD 5,499,995
2023-02-03 2022-11-30 PP Planned purchase

Vignola Mark J.

Chief Financial Officer

Officer
3 +0.0%
1.41
USD 4
3 +0.0% 1.41 USD 4
2023-02-03 2022-11-30 PP Planned purchase

Yoon Seokho Bryan

COO and General Counsel

Officer
3 +0.0%
1.41
USD 4
3 +0.0% 1.41 USD 4
2023-02-03 2022-11-30 PP Planned purchase

Sundaram Senthil Vel

Chief Executive Officer

Executive Director
3 +0.0%
1.41
USD 4
3 +0.0% 1.41 USD 4
2022-11-28 2022-11-23 S Sale

LAV Biosciences Fund V, L.P.

Large shareholder
166,666 -23.9%
5.50
USD 916,663
166,666 -23.9% 5.50 USD 916,663
2022-11-28 2022-11-23 S Sale

LAV Biosciences Fund V, L.P.

Large shareholder
333,334 -23.9%
5.50
USD 1,833,337
333,334 -23.9% 5.50 USD 1,833,337
2022-11-28 2022-11-23 S Sale

LAV Biosciences Fund V, L.P.

Large shareholder
1,000,000 -71.1%
5.50
USD 5,500,000
1,000,000 -71.1% 5.50 USD 5,500,000
2022-09-08 2022-09-07 B Purchase

Vivo Opportunity, LLC

Large shareholder
600,000 +20.1%
3.60
USD 2,160,000
600,000 +20.1% 3.60 USD 2,160,000
2022-09-08 2022-09-07 B Purchase

Lu Hongbo

Non-Executive Director
600,000 +20.1%
3.60
USD 2,160,000
600,000 +20.1% 3.60 USD 2,160,000
2022-08-18 2022-08-16 B Purchase

GORDON CARL L

Non-Executive Director Large shareholder
762,400 +inf%
2.42
USD 1,845,008
762,400 +inf% 2.42 USD 1,845,008
2022-08-18 2022-08-16 B Purchase

GORDON CARL L

Non-Executive Director Large shareholder
457,400 +30.2%
2.42
USD 1,106,908
457,400 +30.2% 2.42 USD 1,106,908
2022-08-18 2022-08-16 B Purchase

GORDON CARL L

Non-Executive Director Large shareholder
2,470,200 +108.6%
2.42
USD 5,977,884
2,470,200 +108.6% 2.42 USD 5,977,884
2022-08-18 2022-08-16 B Purchase

ORBIMED ADVISORS LLC

Non-Executive Director Large shareholder
762,400 +inf%
2.42
USD 1,845,008
762,400 +inf% 2.42 USD 1,845,008
2022-08-18 2022-08-16 B Purchase

ORBIMED ADVISORS LLC

Non-Executive Director Large shareholder
457,400 +30.2%
2.42
USD 1,106,908
457,400 +30.2% 2.42 USD 1,106,908
2022-08-18 2022-08-16 B Purchase

ORBIMED ADVISORS LLC

Non-Executive Director Large shareholder
2,470,200 +108.6%
2.42
USD 5,977,884
2,470,200 +108.6% 2.42 USD 5,977,884
2022-08-16 2022-08-16 B Purchase

Lu Hongbo

Non-Executive Director
1,500,000 +101.2%
2.42
USD 3,630,000
1,500,000 +101.2% 2.42 USD 3,630,000
2022-08-16 2022-08-16 B Purchase

Vivo Opportunity, LLC

Large shareholder
1,500,000 +101.2%
2.42
USD 3,630,000
1,500,000 +101.2% 2.42 USD 3,630,000
2022-08-16 2022-08-15 B Purchase

Lu Hongbo

Non-Executive Director
1,218 +0.1%
2.99
USD 3,642
1,218 +0.1% 2.99 USD 3,642
2022-08-16 2022-08-15 B Purchase

Vivo Opportunity, LLC

Large shareholder
1,218 +0.1%
2.99
USD 3,642
1,218 +0.1% 2.99 USD 3,642
2022-08-16 2022-08-12 B Purchase

Lu Hongbo

Non-Executive Director
1,123,021 +314.3%
2.98
USD 3,346,603
1,123,021 +314.3% 2.98 USD 3,346,603
2022-08-16 2022-08-12 B Purchase

Vivo Opportunity, LLC

Large shareholder
1,123,021 +314.3%
2.98
USD 3,346,603
1,123,021 +314.3% 2.98 USD 3,346,603
2022-06-08 2022-05-31 PP Planned purchase

Vignola Mark J.

Chief Financial Officer

Officer
7,656 +inf%
1.47
USD 11,254
7,656 +inf% 1.47 USD 11,254
2022-06-08 2022-05-31 PP Planned purchase

Yoon Seokho Bryan

COO and General Counsel

Officer
7,656 +inf%
1.47
USD 11,254
7,656 +inf% 1.47 USD 11,254
2022-06-08 2022-05-31 PP Planned purchase

Sundaram Senthil Vel

Chief Executive Officer

Executive Director
7,656 +inf%
1.47
USD 11,254
7,656 +inf% 1.47 USD 11,254
2021-02-09 2021-02-09 B Purchase

ORBIMED ADVISORS LLC

Non-Executive Director Large shareholder
285,000 +14.3%
17.00
USD 4,845,000
285,000 +14.3% 17.00 USD 4,845,000
2021-02-09 2021-02-09 B Purchase

ORBIMED ADVISORS LLC

Non-Executive Director Large shareholder
190,000 +14.3%
17.00
USD 3,230,000
190,000 +14.3% 17.00 USD 3,230,000
2021-02-09 2021-02-09 B Purchase

Vivo Capital VIII, LLC

Large shareholder
357,353 +inf%
17.00
USD 6,075,001
357,353 +inf% 17.00 USD 6,075,001
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