CTY insider filings
CITY THERAPEUTICS, INC. — 18 most recent insider filings (SEC Forms 3/4/5) from EDGAR, normalized by FilingPulse. Latest filing: 2026-10-19. Screen CTY transaction legs live →
Insider transaction summary — last 90 days
2026-07-26 to 2026-10-24, from the filings listed below: 18 insider filings (Forms 3/4/5). Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 2 legs across 2 filings by 7 insiders — 340,000 shares, $6,120,000 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 21.
- Largest priced transaction: purchase of 170,000 shares @ $18.00 ($3,060,000) by NELSEN ROBERT, filed 2026-10-19.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| NELSEN ROBERT — Director, 10% owner | 2 | 1 leg · 170,000 sh · $3,060,000 | — | 7 |
| ARCH Venture Partners XII, LLC — 10% owner & ARCH Venture Partners XII, L.P. — 10% owner & ARCH Venture Fund XII, L.P. — 10% owner & CRANDELL KEITH — 10% owner & Burow Kristina — 10% owner & GILLIS STEVEN — 10% owner | 2 | 1 leg · 170,000 sh · $3,060,000 | — | 6 |
| MARAGANORE JOHN — Director | 2 | — | — | 4 |
| Greene Barry E — Director | 2 | — | — | 1 |
| Nochur Sara — Director | 2 | — | — | 1 |
| ORTH ANDREW C. — President & CEO, Director | 2 | — | — | 1 |
| Philip Ron M — Director | 2 | — | — | 1 |
| Mei Baisong — Chief Medical Officer | 1 | — | — | — |
| Regnante Keith — Chief Financial Officer | 1 | — | — | — |
| Trousil Sebastian — Chief Operating Officer | 1 | — | — | — |
+1 more insider in the window, not shown — every filing appears in the table below.
Recent insider filings — CITY THERAPEUTICS, INC.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-10-19 | 4 | NELSEN ROBERT — Director, 10% owner | Conversion (C): 3,294,900 · Conversion (C): 5,482,309 · Conversion (C): 2,027,006 · Purchase (P): 170,000 @ $18 · Grant/award (A): 22,649 (derivative) @ $0 · Conversion (C): 3,000,000 (derivative) @ $0 · +2 more | EDGAR |
| 2026-10-19 | 4 | ARCH Venture Partners XII, LLC — 10% owner ARCH Venture Partners XII, L.P. — 10% owner ARCH Venture Fund XII, L.P. — 10% owner CRANDELL KEITH — 10% owner Burow Kristina — 10% owner GILLIS STEVEN — 10% owner | Conversion (C): 3,294,900 · Conversion (C): 5,482,309 · Conversion (C): 2,027,006 · Purchase (P): 170,000 @ $18 · Conversion (C): 3,000,000 (derivative) @ $0 · Conversion (C): 4,991,633 (derivative) @ $0 · +1 more | EDGAR |
| 2026-10-19 | 4 | Nochur Sara — Director | Grant/award (A): 22,649 (derivative) @ $0 | EDGAR |
| 2026-10-19 | 4 | MARAGANORE JOHN — Director | Conversion (C): 610,759 · Grant/award (A): 22,649 (derivative) @ $0 · Conversion (C): 500,000 (derivative) @ $0 · Conversion (C): 56,095 (derivative) @ $0 | EDGAR |
| 2026-10-19 | 4 | Philip Ron M — Director | Grant/award (A): 22,649 (derivative) @ $0 | EDGAR |
| 2026-10-19 | 4 | ORTH ANDREW C. — President & CEO, Director | Grant/award (A): 77,979 (derivative) @ $0 | EDGAR |
| 2026-10-19 | 4 | Greene Barry E — Director | Grant/award (A): 22,649 (derivative) @ $0 | EDGAR |
| 2026-10-15 | 3 | ARCH Venture Partners XII, LLC — 10% owner ARCH Venture Partners XII, L.P. — 10% owner ARCH Venture Fund XII, L.P. — 10% owner CRANDELL KEITH — 10% owner Burow Kristina — 10% owner GILLIS STEVEN — 10% owner | Holdings only — no transactions reported | EDGAR |
| 2026-10-15 | 3 | Trousil Sebastian — Chief Operating Officer | Holdings only — no transactions reported | EDGAR |
| 2026-10-15 | 3 | Zimmermann Tracy — Chief Scientific Officer | Holdings only — no transactions reported | EDGAR |
| 2026-10-15 | 3 | Regnante Keith — Chief Financial Officer | Holdings only — no transactions reported | EDGAR |
| 2026-10-15 | 3 | Philip Ron M — Director | Holdings only — no transactions reported | EDGAR |
| 2026-10-15 | 3 | Nochur Sara — Director | Holdings only — no transactions reported | EDGAR |
| 2026-10-15 | 3 | ORTH ANDREW C. — President & CEO, Director | Holdings only — no transactions reported | EDGAR |
| 2026-10-15 | 3 | NELSEN ROBERT — Director, 10% owner | Holdings only — no transactions reported | EDGAR |
| 2026-10-15 | 3 | MARAGANORE JOHN — Director | Holdings only — no transactions reported | EDGAR |
| 2026-10-15 | 3 | Mei Baisong — Chief Medical Officer | Holdings only — no transactions reported | EDGAR |
| 2026-10-15 | 3 | Greene Barry E — Director | Holdings only — no transactions reported | EDGAR |
Recent 8-K events — CITY THERAPEUTICS, INC.
Items classified from EDGAR index headers. Browse recent 8-K filings market-wide, by item code →
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-10-19 | 8-K | 5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year 9.01 — Financial Statements and Exhibits | EDGAR |
Registration filings — CITY THERAPEUTICS, INC.
Securities Act registration lifecycles tracked for this issuer (live-forward since 2026-08-01), threaded by SEC file number.
- SEC file 333-299117 (S-1) — latest: Final prospectus (424B4), filed 2026-10-16
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