Santiago Arroyo
CIK 1706857 · CHIEF DEVELOPMENT OFFICER · last filed 2025-01-06
Santiago Arroyo is a CHIEF DEVELOPMENT OFFICER who has filed 33 SEC Form 4 insider transactions across 4 companies since 2017. The most recent filing, for BCYC, was dated Jan 6, 2025. Across all open-market trades the lifetime net is −$7.9M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $279.7K 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.
$279.7K
4
33
-$7.90M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| BCYC | CHIEF DEVELOPMENT OFFICER | 69,057 | $4.05 | $279.7K | -$69.6K | 4 | 2025-01-06 |
| FULC | Chief Medical Officer | — | $3.45 | — | $0 | 1 | 2022-11-09 |
| MARINUS PHARMACEUTICALS, INC. (MRNS) Delisted | Director | 2,750 | $0.55 | $1.5K | $0 | 2 | 2022-02-07 |
| MOMENTA PHARMACEUTICALS INC (MNTA) Delisted | SVP, Chief Medical Officer | 0 | — | — | -$7.83M | 26 | 2020-10-01 |
Recent Filings
33 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2025-01-06 | BCYC | Mixed | +30,057 | -$69.6K | EDGAR |
| 2024-02-08 | BCYC | Grant (A) | +21,660 | $0 | EDGAR |
| 2024-01-04 | BCYC | Grant (A) | +17,340 | $0 | EDGAR |
| 2023-04-04 | BCYC | Grant (A) | — | $0 | EDGAR |
| 2022-11-09 | FULC | Grant (A) | — | $0 | EDGAR |
| 2022-02-07 | MARINUS PHARMACEUTICALS, INC. (MRNS) Delisted | Grant (A) | +2,750 | $0 | EDGAR |
| 2021-07-02 | MARINUS PHARMACEUTICALS, INC. (MRNS) Delisted | Grant (A) | — | $0 | EDGAR |
| 2020-10-01 | MOMENTA PHARMACEUTICALS INC (MNTA) Delisted | Disp (D) | −26 | $0 | EDGAR |
| 2020-08-06 | MOMENTA PHARMACEUTICALS INC (MNTA) Delisted | Mixed | −1,980 | -$600.5K | EDGAR |
| 2020-07-30 | MOMENTA PHARMACEUTICALS INC (MNTA) Delisted | Mixed | −6,962 | -$671.9K | EDGAR |