Aoife Brennan
CIK 1714563 · President and CEO · last filed 2026-01-08
Aoife Brennan is a President and CEO who has filed 25 SEC Form 4 insider transactions across 5 companies since 2018. The most recent filing, for ELYM, was dated Jan 8, 2026. Across all open-market trades the lifetime net is −$139.2K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $176.8K across reported positions.
"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.
$176.8K
5
25
-$139.2K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| Climb Bio, Inc. (ELYM) Delisted | President and CEO | 48,132 | $5.11 | $246.0K | -$25.2K | 4 | 2026-01-08 |
| XLO | Director | — | $8.31 | — | $0 | 2 | 2025-06-12 |
| KYNTRA BIO, INC. (FGEN) Delisted | Director | 27,947 | $9.75 | $272.5K | -$81.4K | 5 | 2024-06-06 |
| SYBX | President and CEO | 256,301 | $0.69 | $176.8K | -$32.7K | 11 | 2023-11-14 |
| Ra Pharmaceuticals, Inc. (RARX) Delisted | Director | — | — | — | $0 | 3 | 2020-04-03 |
Recent Filings
25 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-01-08 | Climb Bio, Inc. (ELYM) Delisted | Grant (A) | — | $0 | EDGAR |
| 2025-07-01 | Climb Bio, Inc. (ELYM) Delisted | Mixed | +48,132 | -$25.2K | EDGAR |
| 2025-06-12 | XLO | Grant (A) | — | $0 | EDGAR |
| 2025-01-15 | Climb Bio, Inc. (ELYM) Delisted | Grant (A) | — | $0 | EDGAR |
| 2024-06-27 | Climb Bio, Inc. (ELYM) Delisted | Grant (A) | — | $0 | EDGAR |
| 2024-06-17 | XLO | Grant (A) | — | $0 | EDGAR |
| 2024-06-06 | KYNTRA BIO, INC. (FGEN) Delisted | Grant (A) | — | $0 | EDGAR |
| 2023-11-14 | SYBX | Mixed | — | $0 | EDGAR |
| 2023-06-09 | KYNTRA BIO, INC. (FGEN) Delisted | Mixed | +3,556 | -$81.4K | EDGAR |
| 2023-04-05 | SYBX | Sell (S) | −19,042 | -$11.0K | EDGAR |