PETER N KELLOGG
CIK 1226287 · SEE REMARKS · last filed 2026-05-22
PETER N KELLOGG is a corporate insider who has filed 73 SEC Form 4 insider transactions across 7 companies since 2007. The most recent filing, for ALNY, was dated May 22, 2026. Across all open-market trades the lifetime net is −$322.3K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $22.0M 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.
$22.01M
7
73
-$322.3K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| ALNY | Director | 1,446 | $282.85 | $409.0K | $0 | 4 | 2026-05-22 |
| YIELD10 BIOSCIENCE, INC. (YTEN) Delisted | Director | 5,302 | $0.35 | $1.9K | $0 | 10 | 2019-05-23 |
| CELGENE CORP /DE/ (CELGZ) Delisted | SEE REMARKS | 49,689 | — | — | $0 | 25 | 2018-08-01 |
| YIELD10 BIOSCIENCE, INC. (MBLX) Delisted | Director | 12,500 | — | — | $0 | 11 | 2015-09-14 |
| MRK | Exe V-P & CFO | 149,553 | $119.05 | $17.80M | $502.4K | 16 | 2014-02-26 |
| Merck & Co., Inc. (MRKpB) Delisted | Exe V-P & CFO | — | — | — | $0 | 2 | 2010-05-11 |
| BIIB | EVP, Finance and CFO | 18,966 | $200.05 | $3.79M | -$824.7K | 5 | 2007-03-22 |
Recent Filings
73 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-22 | ALNY | Grant (A) | +671 | $0 | EDGAR |
| 2025-05-12 | ALNY | Grant (A) | +775 | $0 | EDGAR |
| 2024-05-20 | ALNY | Grant (A) | — | $0 | EDGAR |
| 2023-03-09 | ALNY | Grant (A) | — | $0 | EDGAR |
| 2019-05-23 | YIELD10 BIOSCIENCE, INC. (YTEN) Delisted | Grant (A) | — | $0 | EDGAR |
| 2019-01-03 | YIELD10 BIOSCIENCE, INC. (YTEN) Delisted | Grant (A) | — | $0 | EDGAR |
| 2018-10-02 | YIELD10 BIOSCIENCE, INC. (YTEN) Delisted | Grant (A) | — | $0 | EDGAR |
| 2018-08-01 | CELGENE CORP /DE/ (CELGZ) Delisted | Grant (A) | — | $0 | EDGAR |
| 2018-07-03 | YIELD10 BIOSCIENCE, INC. (YTEN) Delisted | Grant (A) | — | $0 | EDGAR |
| 2018-05-25 | YIELD10 BIOSCIENCE, INC. (YTEN) Delisted | Grant (A) | — | $0 | EDGAR |