List of insiders holdings for Sienna Biopharmaceuticals Inc.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| ARCH Venture Partners VIII LLC ARCH Venture Fund VIII L.P. ARCH Venture Fund VIII Overage L.P. ARCH Venture Partners VIII L.P. BYBEE CLINTON CRANDELL KEITH NELSEN ROBERT 10% Owner | 2019-03-06 16:40:26 | 5,810,850 0 | 5,810,850 | Form 13D |
| ARCH Venture Partners X LLC ARCH Venture Fund X Overage L.P. ARCH Venture Partners X Overage L.P. CRANDELL KEITH NELSEN ROBERT GILLIS STEVEN 10% Owner | 2019-02-26 21:08:47 | 0 1,865,800 | 1,865,800 | Form 4 |
| Beddingfield III Frederick President & CEO | 2019-08-08 16:38:56 | 1,429,567 112,614 | 1,542,181 | Form 4 |
| Lizzul Paul F. Chief Medical Officer | 2019-08-08 16:40:10 | 317,038 10,557 | 327,595 | Form 4 |
| Andrews Timothy K. General Counsel & Secretary | 2019-08-08 16:44:18 | 277,366 25,000 | 302,366 | Form 4 |
| Stroehmann Diane See Remarks | 2019-07-03 13:47:37 | 168,545 0 | 168,545 | Form 4 |
| Smither John W Chief Financial Officer | 2019-01-03 18:19:07 | 128,579 34,961 | 163,540 | Form 4 |
| Azoy Alexander Chief Financial Officer | 2019-10-04 14:10:46 | 103,552 0 | 103,552 | Form 4 |
| FENTON DENNIS M Director | 2019-06-03 19:24:41 | 25,000 0 | 25,000 | Form 4 |
| Harris Todd Director | 2019-06-03 19:29:07 | 25,000 0 | 25,000 | Form 4 |
| Hindman James M. Director | 2019-06-03 19:32:15 | 25,000 0 | 25,000 | Form 4 |
| Leonard Keith R Director | 2019-06-03 19:35:22 | 25,000 0 | 25,000 | Form 4 |
| MORE ROBERT J Director | 2019-06-03 19:38:03 | 25,000 0 | 25,000 | Form 4 |
| Burow Kristina Director 10% Owner | 2019-06-03 19:41:12 | 25,000 0 | 25,000 | Form 4 |
| MAST ERLE T Director | 2018-06-04 21:42:14 | 10000 0 | 10000 | Form 4 |
| PETERSON RICHARD D Chief Financial Officer | 2017-08-01 16:26:20 | 7000 0 | 7000 | Form 4 |