Insider · CIK 0001279191 · SIC 2834 — Pharmaceutical Preparations
Gerald T Proehl
Files at: DRMA, SPHS, AIXC, TENX, ASPX. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 16, 2026 AForm 4 → | Aug 18, 5:25 pm EDT | Dermata Therapeutics, Inc.DRMA | 170,068 | — | — | 292,631 | — | |
| Nov 22, 2016 PForm 4 → | Nov 29, 3:55 pm EST | TENAX THERAPEUTICS, INC.TENX | 29,882 | $1.67 | $49,969 | 29,882 | — | plan? late |
| Jun 24, 2015 PForm 4 → | Jun 25, 8:58 pm EDT | RITTER PHARMACEUTICALS INCRTTR | 50,000 | $5.00 | $250,000 | 50,000 | — | plan? |
| May 5, 2015 UForm 4 → | May 6, 6:18 pm EDT | Auspex Pharmaceuticals, Inc.ASPX | 1,466 | — | — | 0 | — | plan? |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 16, 2026 AForm 4 → | Aug 18, 5:25 pm EDT | Dermata Therapeutics, Inc.DRMA | 4,421,768 | — | — | 1,360,544 | — | |
| Jun 27, 2018 AForm 4 → | Jun 28, 4:59 pm EDT | SOPHIRIS BIO INC.SPHS | 20,000 | — | — | 20,000 | — | |
| Jan 23, 2018 AForm 4 → | Jan 25, 9:31 pm EST | RITTER PHARMACEUTICALS INCRTTR | 30,000 | — | — | 30,000 | — | |
| May 30, 2017 AForm 4 → | Jun 1, 4:35 pm EDT | SOPHIRIS BIO INC.SPHS | 20,000 | — | — | 20,000 | — | |
| Nov 29, 2016 AForm 4 → | Nov 30, 6:46 pm EST | RITTER PHARMACEUTICALS INCRTTR | 7,000 | — | — | 7,000 | — | |
| May 27, 2016 AForm 4 → | May 31, 4:18 pm EDT | SOPHIRIS BIO INC.SPHS | 8,250 | — | — | 8,250 | — | |
| Oct 13, 2015 AForm 4 → | Oct 15, 1:39 pm EDT | RITTER PHARMACEUTICALS INCRTTR | 10,000 | — | — | 10,000 | — | |
| May 27, 2015 AForm 4 → | May 28, 3:57 pm EDT | SOPHIRIS BIO INC.SPHS | 8,250 | — | — | 8,250 | — | |
| May 5, 2015 DForm 4 → | May 6, 6:18 pm EDT | Auspex Pharmaceuticals, Inc.ASPX | 20,000 | — | — | 0 | — |