JOHN L LAMATTINA
CIK 1216074 · Senior Vice President · last filed 2026-06-09
JOHN L LAMATTINA is a Senior Vice President who has filed 85 SEC Form 4 insider transactions across 6 companies since 2007. The most recent filing, for LGND, was dated Jun 9, 2026. Across all open-market trades the lifetime net is −$6.1M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $19.5M 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.
$19.47M
6
85
-$6.13M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| LGND | Director | 31,560 | $255.54 | $8.06M | -$4.96M | 31 | 2026-06-09 |
| IMNM | Director | 66,953 | $18.38 | $1.23M | $101.0K | 7 | 2023-06-12 |
| Larimar Therapeutics, Inc. (ZFGN) Delisted | Director | 31,376 | — | — | $0 | 10 | 2019-06-27 |
| HUMAN GENOME SCIENCES INC (HGSI) Delisted | Director | 42,843 | — | — | $51.0K | 9 | 2012-08-01 |
| NEUROGEN CORP (NRGN) Delisted | Director | — | — | — | $0 | 9 | 2009-12-17 |
| PFE | Senior Vice President | 388,288 | $26.21 | $10.18M | -$1.32M | 19 | 2007-10-17 |
Recent Filings
85 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-06-09 | LGND | Grant (A) | +836 | $0 | EDGAR |
| 2025-11-12 | LGND | Mixed | — | -$575.3K | EDGAR |
| 2025-06-10 | LGND | Grant (A) | +1,209 | $0 | EDGAR |
| 2024-12-02 | LGND | Mixed | — | -$171.7K | EDGAR |
| 2024-06-18 | LGND | Grant (A) | +1,252 | $0 | EDGAR |
| 2023-06-13 | LGND | Grant (A) | +1,142 | $0 | EDGAR |
| 2023-06-12 | IMNM | Grant (A) | — | $0 | EDGAR |
| 2023-01-17 | IMNM | Grant (A) | +15,125 | $60.5K | EDGAR |
| 2022-12-27 | LGND | Grant (A) | — | $0 | EDGAR |
| 2022-06-21 | IMNM | Grant (A) | — | $0 | EDGAR |