Insider · CIK 0001569248
Kristina Burow
Files at: BOLD, SRRK, KARD, SNNA, GOSS, UBX, RCPT. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jul 1, 2026 SForm 4 → | Jul 6, 4:30 pm EDT | Scholar Rock Holding CorpSRRK | 3,053 | $53.74 | $164,064 | 114,657 | −2.59% | 10b5-1 |
| Jun 4, 2026 AForm 4 → | Jun 8, 4:52 pm EDT | Scholar Rock Holding CorpSRRK | 6,839 | — | — | 117,710 | — | |
| Feb 22, 2019 PForm 4 → | Feb 26, 9:03 pm EST | Sienna Biopharmaceuticals, Inc.SNNA | 2,165,800 | $2.50 | $5,414,500 | 1,865,800 | — | plan? |
| Feb 12, 2019 CForm 4 → | Feb 12, 5:44 pm EST | Gossamer Bio, Inc.GOSS | 8,055,916 | — | — | 4,027,958 | — | plan? |
| May 29, 2018 CForm 4 → | May 31, 9:43 pm EDT | Scholar Rock Holding CorpSRRK | 2,637,617 | — | — | 2,637,617 | — | plan? |
| May 7, 2018 CForm 4 → | May 7, 6:22 pm EDT | Unity Biotechnology, Inc.UBX | 10,008,634 | — | — | 1,682,417 | — | plan? |
| Aug 1, 2017 CForm 4 → | Aug 1, 4:21 pm EDT | Sienna Biopharmaceuticals, Inc.SNNA | 3,633,068 | — | — | 882,493 | — | plan? |
| Aug 25, 2015 DUForm 4 → | Aug 27, 6:23 pm EDT | Receptos, Inc.RCPT | 362,286 | — | — | 0 | — | plan? |
| Jun 9, 2015 JForm 4 → | Jun 11, 6:06 pm EDT | Receptos, Inc.RCPT | 1,034,491 | — | — | 25,746 | — | plan? |
| May 28, 2015 AForm 4 → | Jun 1, 8:41 pm EDT | Receptos, Inc.RCPT | 7,400 | — | — | 21,067 | — | plan? |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 4, 2026 AForm 4 → | Jun 8, 4:52 pm EDT | Scholar Rock Holding CorpSRRK | 4,310 | — | — | 4,310 | — | |
| Feb 12, 2019 CForm 4 → | Feb 12, 5:44 pm EST | Gossamer Bio, Inc.GOSS | 36,251,633 | — | — | 0 | — | |
| Jun 22, 2018 AForm 4 → | Jun 26, 5:31 pm EDT | Scholar Rock Holding CorpSRRK | 20,316 | — | — | 20,316 | — | |
| Jun 1, 2018 AForm 4 → | Jun 5, 9:23 am EDT | Sienna Biopharmaceuticals, Inc.SNNA | 10,000 | — | — | 10,000 | — | |
| May 29, 2018 CForm 4 → | May 31, 9:43 pm EDT | Scholar Rock Holding CorpSRRK | 7,529,870 | — | — | 0 | — | |
| May 7, 2018 CForm 4 → | May 7, 6:22 pm EDT | Unity Biotechnology, Inc.UBX | 10,008,634 | — | — | 0 | — | |
| May 2, 2018 AForm 4 → | May 4, 6:24 pm EDT | Unity Biotechnology, Inc.UBX | 40,678 | — | — | 40,678 | — | |
| Nov 1, 2017 AForm 4 → | Nov 2, 11:50 am EDT | Sienna Biopharmaceuticals, Inc.SNNA | 5,315 | — | — | 5,315 | — | |
| Aug 1, 2017 CForm 4 → | Aug 1, 4:21 pm EDT | Sienna Biopharmaceuticals, Inc.SNNA | 3,633,068 | — | — | 0 | — | |
| Aug 27, 2015 DForm 4 → | Aug 27, 6:23 pm EDT | Receptos, Inc.RCPT | 28,200 | $210.34 | $5,931,588 | 0 | — |