- Corporate Officers - R
- Rosen David Efraim
Insider Trading History of Rosen David Efraim
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Rosen David Efraim since 2021.
This trader's CIK number is 1898677.
At the time of last reporting, Rosen David Efraim was the Officer of Collegium Pharmaceutical, Inc. (stock ticker symbol COLL).
Also see all insider trading activities at Collegium Pharmaceutical, Inc.
Note that in the past
Rosen David Efraim also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Talen Energy Corp (TLN) by Rosen David Efraim
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | TLN | 0 | $0 | 388,530 | $114,118,258 | 0 | $0 |
| 2024 | TLN | 0 | $0 | 4,893,507 | $999,997,942 | 0 | $0 |
Yearly summary of insider trading at Radius Health, Inc. (RDUS) by Rosen David Efraim
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2022 | RDUS | 1,682,966 | $16,947,466 | 0 | $0 | 0 | $0 |
| 2021 | RDUS | 2,202,429 | $16,245,083 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Heron Therapeutics, Inc. /de/ (HRTX) by Rosen David Efraim
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | HRTX | 2,387,225 | $3,580,837 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Collegium Pharmaceutical, Inc (COLL) by Rosen David Efraim
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | COLL | 0 | $0 | 25,000 | $946,250 | 0 | $0 |
Yearly summary of insider trading at Therapeuticsmd, Inc. (TXMD) by Rosen David Efraim
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2022 | TXMD | 0 | $0 | 29,000 | $38,657,000 | 0 | $0 |
| 2022 | TXMD | 711,818 | $254,483,089 | 0 | $0 | 0 | $0 |
Insider trading activities at 5 companies by Rosen David Efraim:
1. Talen Energy Corp (TLN)
2. Radius Health, Inc. (RDUS)
3. Heron Therapeutics, Inc. /de/ (HRTX)
4. Collegium Pharmaceutical, Inc (COLL)
5. Therapeuticsmd, Inc. (TXMD)
Table 1. Insider trading of Talen Energy Corp (TLN) by Rosen David Efraim
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-06-25 | TLN | Sale | 108,313 | 292.65 | 31,697,799 |
| 2025-06-26 | TLN | Sale | 102,217 | 291.71 | 29,817,721 |
| 2025-06-27 | TLN | Sale | 178,000 | 295.52 | 52,602,738 |
| 2024-12-13 | TLN | Sale | 4,893,507 | 204.35 | 999,997,942 |
Table 2. Insider trading of Radius Health, Inc. (RDUS) by Rosen David Efraim
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2022-08-11 | RDUS | Buy | 1,678,954 | 10.07 | 16,907,066 |
| 2022-08-10 | RDUS | Buy | 4,012 | 10.07 | 40,400 |
| 2021-12-16 | RDUS | Buy | 146,685 | 7.08 | 1,037,796 |
| 2021-12-15 | RDUS | Buy | 180,744 | 6.77 | 1,223,636 |
| 2021-12-14 | RDUS | Buy | 94,103 | 6.81 | 640,935 |
| 2021-12-13 | RDUS | Buy | 187,391 | 7.08 | 1,326,728 |
| 2021-12-09 | RDUS | Buy | 264,644 | 7.58 | 2,007,060 |
| 2021-12-10 | RDUS | Buy | 768,171 | 7.17 | 5,511,626 |
| 2021-12-08 | RDUS | Buy | 560,691 | 8.02 | 4,497,302 |
Table 3. Insider trading of Heron Therapeutics, Inc. /de/ (HRTX) by Rosen David Efraim
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-08-08 | HRTX | Buy | 2,387,225 | 1.50 | 3,580,837 |
Table 4. Insider trading of Collegium Pharmaceutical, Inc (COLL) by Rosen David Efraim
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-08-13 | COLL | Sale | 25,000 | 37.85 | 946,250 |
Table 5. Insider trading of Therapeuticsmd, Inc. (TXMD) by Rosen David Efraim
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2022-12-30 | TXMD | Sale | 29,000 | 1,333.00 | 38,657,000 |
| 2022-12-09 | TXMD | Buy | 14,825 | 6.09 | 90,284 |
| 2022-12-07 | TXMD | Buy | 20,113 | 5.66 | 113,899 |
| 2022-12-08 | TXMD | Buy | 300 | 5.83 | 1,749 |
| 2022-10-28 | TXMD | Buy | 7,000 | 1,000.00 | 7,000,000 |
| 2022-09-30 | TXMD | Buy | 7,000 | 1,000.00 | 7,000,000 |
| 2022-07-29 | TXMD | Buy | 580,000 | 413.46 | 239,809,700 |
| 2022-07-15 | TXMD | Buy | 64,892 | 5.56 | 360,799 |
| 2022-07-18 | TXMD | Buy | 17,688 | 6.03 | 106,658 |
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 Rosen David Efraim
(Officer of Collegium Pharmaceutical, Inc at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.