GREGORY L SUMME
CIK 1143422 · Exe. Chairman of the Board · last filed 2026-07-16
GREGORY L SUMME is an Exe. Chairman of the Board who has filed 121 SEC Form 4 insider transactions across 13 companies since 2007. The most recent filing shows the insider was granted $31.8K of GRAL on Jul 16, 2026. Across all open-market trades the lifetime net is −$90.2M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $36.4M 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.
$36.35M
13
121
-$90.19M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| GRAL | Director | 45,672 | $64.03 | $2.92M | $0 | 1 | 2026-07-16 |
| GRAIL, Inc. (GRALV) Delisted | Director | 45,245 | — | — | $0 | 11 | 2026-06-22 |
| NXPI | Director | 8,644 | $245.25 | $2.12M | -$1.89M | 15 | 2026-06-12 |
| UP | Director | 36,090 | $5.49 | $198.1K | $0 | 3 | 2026-06-10 |
| AVTR | Director | 483,381 | $14.36 | $6.94M | $4.56M | 15 | 2026-05-11 |
| XLF | Director | 100,023 | $56.66 | $5.67M | -$1.19M | 12 | 2025-02-19 |
| Virgin Orbit Holdings, Inc. (VORBW) Delisted | Director | 9,189,864 | $0.01 | $64.3K | $0 | 1 | 2022-01-03 |
| LMI AEROSPACE INC (LMIA) Delisted | Director | 0 | — | — | -$18.16M | 4 | 2017-06-28 |
| RM | 10%+ Owner | 14,873 | $42.24 | $628.2K | -$613.9K | 1 | 2016-06-09 |
| Freescale Semiconductor, Ltd. (FSL) Delisted | Director | 12,444 | — | — | $0 | 2 | 2015-06-09 |
| STT | Director | 66,889 | $175.82 | $11.76M | $319.9K | 10 | 2015-05-21 |
| ADP | Director | 22,366 | $273.46 | $6.12M | -$1.20M | 17 | 2013-11-25 |
| REVVITY, INC. (PKI) Delisted | Exe. Chairman of the Board | 231,724 | $115.24 | $26.70M | -$72.02M | 23 | 2009-03-03 |
Recent Filings
121 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-07-16 | GRAL | Grant (A) | +427 | $31.8K | EDGAR |
| 2026-06-22 | GRAIL, Inc. (GRALV) Delisted | Grant (A) | +5,491 | $350.0K | EDGAR |
| 2026-06-12 | NXPI | Mixed | +522 | -$152.6K | EDGAR |
| 2026-06-10 | UP | Grant (A) | +24,305 | $0 | EDGAR |
| 2026-05-11 | AVTR | Grant (A) | +25,270 | $0 | EDGAR |
| 2026-04-17 | GRAIL, Inc. (GRALV) Delisted | Grant (A) | +631 | $31.4K | EDGAR |
| 2026-02-12 | AVTR | Buy (P) | +100,000 | $940.0K | EDGAR |
| 2026-01-16 | GRAIL, Inc. (GRALV) Delisted | Grant (A) | +329 | $32.1K | EDGAR |
| 2025-10-31 | AVTR | Buy (P) | +100,000 | $1.12M | EDGAR |
| 2025-10-16 | GRAIL, Inc. (GRALV) Delisted | Grant (A) | +425 | $32.1K | EDGAR |
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.