John P. Butler
CIK 1591467 · CEO and President · last filed 2026-03-05
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
Loading insider history…
Disclosed Exposure
$3.26M
Companies
4
Total Filings
53
Lifetime Open-Market Net
-$1.02M
Holdings By Company
Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| AKBA | CEO and President | 3,526,992 | $0.92 | $3.26M | -$999.1K | 36 | 2026-03-05 |
| Zynerba Pharmaceuticals, Inc. (ZYNE) Delisted | Director | 47,824 | $1.30 | $62.2K | $32.1K | 9 | 2023-10-11 |
| KERYX BIOPHARMACEUTICALS INC (KERX) Delisted | Director | 20,000 | — | — | $0 | 2 | 2017-06-20 |
| Relypsa Inc (RLYP) Delisted | Director | 2,250 | — | — | -$57.7K | 6 | 2016-09-02 |
Recent Filings · Page 6 of 6
53 filingsForm 4 transactions across all companies, newest first.
| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2014-08-05 | AKBA | Grant (A) | — | $0 | EDGAR |
| 2014-03-27 | AKBA | Buy (P) | +13,850 | $235.4K | EDGAR |
| 2013-11-18 | Relypsa Inc (RLYP) Delisted | Grant (A) | — | $0 | EDGAR |
Showing 51–53 of 53
Prev
Page 6 of 6
Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.