- Corporate Officers - K
- Kjellson Nina S
Insider Trading History of Kjellson Nina S
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Kjellson Nina S since 2010.
This trader's CIK number is 1381980.
At the time of last reporting, Kjellson Nina S was the Officer of Tyra Biosciences, Inc.. (stock ticker symbol TYRA).
Also see all insider trading activities at Tyra Biosciences, Inc..
Note that in the past
Kjellson Nina S also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Paratek Pharmaceuticals, Inc. (TSPT) by Kjellson Nina S
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2011 | TSPT | 217,228 | $1,573,165 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Tyra Biosciences, Inc. (TYRA) by Kjellson Nina S
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | TYRA | 0 | $0 | 35,267 | $562,431 | 0 | $0 |
| 2024 | TYRA | 0 | $0 | 150,280 | $2,484,980 | 0 | $0 |
Yearly summary of insider trading at Trius Therapeutics Inc (TSRX) by Kjellson Nina S
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2010 | TSRX | 1,227,333 | $6,136,665 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Cidara Therapeutics, Inc. (CDTX) by Kjellson Nina S
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2015 | CDTX | 200,000 | $3,200,000 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Tranzyme Inc (OCRX) by Kjellson Nina S
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2013 | OCRX | 853,673 | $2,599,827 | 0 | $0 | 0 | $0 |
Insider trading activities at 5 companies by Kjellson Nina S:
1. Paratek Pharmaceuticals, Inc. (TSPT)
2. Tyra Biosciences, Inc. (TYRA)
3. Trius Therapeutics Inc (TSRX)
4. Cidara Therapeutics, Inc. (CDTX)
5. Tranzyme Inc (OCRX)
Table 1. Insider trading of Paratek Pharmaceuticals, Inc. (TSPT) by Kjellson Nina S
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2011-09-21 | TSPT | Buy | 217,228 | 7.24 | 1,573,165 |
Table 2. Insider trading of Tyra Biosciences, Inc. (TYRA) by Kjellson Nina S
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-02-05 | TYRA | Sale | 5,401 | 13.76 | 74,323 |
| 2025-01-23 | TYRA | Sale | 4,825 | 16.26 | 78,464 |
| 2025-01-17 | TYRA | Sale | 13,269 | 16.40 | 217,611 |
| 2025-01-21 | TYRA | Sale | 3,993 | 16.36 | 65,337 |
| 2025-01-16 | TYRA | Sale | 7,779 | 16.29 | 126,696 |
| 2024-11-04 | TYRA | Sale | 1,076 | 17.01 | 18,298 |
| 2024-11-05 | TYRA | Sale | 10,493 | 16.77 | 175,946 |
| 2024-11-01 | TYRA | Sale | 27,493 | 16.85 | 463,312 |
| 2024-10-30 | TYRA | Sale | 11,078 | 16.17 | 179,120 |
| 2024-10-31 | TYRA | Sale | 100,140 | 16.46 | 1,648,304 |
Table 3. Insider trading of Trius Therapeutics Inc (TSRX) by Kjellson Nina S
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2010-08-06 | TSRX | Buy | 1,227,333 | 5.00 | 6,136,665 |
Table 4. Insider trading of Cidara Therapeutics, Inc. (CDTX) by Kjellson Nina S
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2015-04-20 | CDTX | Buy | 200,000 | 16.00 | 3,200,000 |
Table 5. Insider trading of Tranzyme Inc (OCRX) by Kjellson Nina S
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2013-11-08 | OCRX | Buy | 422,238 | .00 | 0 |
| 2013-07-15 | OCRX | Buy | 431,435 | 6.03 | 2,599,827 |
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above table cannot be completely guaranteed as to their accuracy.
For more information regarding the trades made by Kjellson Nina S
(Officer of Tyra Biosciences, Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.