- Corporate Officers - H
- Harper Sean E
Insider Trading History of Harper Sean E
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Harper Sean E since 2012.
This trader's CIK number is 1541946.
At the time of last reporting, Harper Sean E was the 10% Owner of Acelyrin, Inc.. (stock ticker symbol SLRN).
Also see all insider trading activities at Acelyrin, Inc..
Note that in the past
Harper Sean E also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Acelyrin, Inc. (SLRN) by Harper Sean E
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2023 | SLRN | 1,250,000 | $22,500,000 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Amgen Inc (AMGN) by Harper Sean E
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2018 | AMGN | 0 | $0 | 10,675 | $1,946,369 | 0 | $0 |
| 2017 | AMGN | 0 | $0 | 4,575 | $814,897 | 0 | $0 |
| 2016 | AMGN | 0 | $0 | 21,875 | $3,456,140 | 0 | $0 |
| 2015 | AMGN | 0 | $0 | 28,000 | $4,804,240 | 0 | $0 |
| 2014 | AMGN | 0 | $0 | 14,000 | $1,782,130 | 0 | $0 |
| 2013 | AMGN | 0 | $0 | 8,000 | $850,592 | 8,000 | $403,520 |
| 2012 | AMGN | 0 | $0 | 39,900 | $3,285,086 | 53,900 | $3,360,910 |
Insider trading activities at 2 companies by Harper Sean E:
1. Acelyrin, Inc. (SLRN)
2. Amgen Inc (AMGN)
Table 1. Insider trading of Acelyrin, Inc. (SLRN) by Harper Sean E
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2023-05-09 | SLRN | Buy | 1,250,000 | 18.00 | 22,500,000 |
Table 2. Insider trading of Amgen Inc (AMGN) by Harper Sean E
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2018-07-16 | AMGN | Sale | 1,525 | 195.71 | 298,457 |
| 2018-06-12 | AMGN | Sale | 1,525 | 184.27 | 281,011 |
| 2018-05-14 | AMGN | Sale | 1,525 | 174.10 | 265,502 |
| 2018-04-12 | AMGN | Sale | 1,525 | 172.68 | 263,337 |
| 2018-03-16 | AMGN | Sale | 1,525 | 189.75 | 289,368 |
| 2018-02-14 | AMGN | Sale | 1,525 | 174.18 | 265,624 |
| 2018-01-16 | AMGN | Sale | 1,525 | 185.62 | 283,070 |
| 2017-12-12 | AMGN | Sale | 1,525 | 176.83 | 269,665 |
| 2017-11-13 | AMGN | Sale | 1,525 | 171.58 | 261,659 |
| 2017-10-09 | AMGN | Sale | 1,525 | 185.95 | 283,573 |
| 2016-04-29 | AMGN | Sale | 21,875 | 158.00 | 3,456,140 |
| 2015-04-22 | AMGN | Sale | 28,000 | 171.58 | 4,804,240 |
| 2014-08-05 | AMGN | Sale | 14,000 | 127.30 | 1,782,130 |
| 2013-05-02 | AMGN | Option Ex | 8,000 | 50.44 | 403,520 |
| 2013-05-02 | AMGN | Sale | 8,000 | 106.32 | 850,592 |
| 2012-07-27 | AMGN | Option Ex | 39,900 | 67.99 | 2,712,920 |
| 2012-07-27 | AMGN | Sale | 39,900 | 82.33 | 3,285,086 |
| 2012-05-03 | AMGN | Option Ex | 14,000 | 46.28 | 647,990 |
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 Harper Sean E
(10% Owner of Acelyrin, Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.