Nello Mainolfi Net Worth
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Nello Mainolfi has an estimated net worth of at least $56.3 million*, as of Oct. 29, 2025. They own 666,195 shares of KYMR stock. They have sold 455,755 shares of KYMR stock since 2021, for an estimated $15.7 million.
Nello Mainolfi $KYMR SEC Form 4 Insider Trading
Nello Mainolfi has filed a total of 46 insider trades in $KYMR since 2021. Their most recent trade was a sale of 6,014 shares, made on Dec 31, 2025. Their largest trade was a sale of 100,000 shares, made on Dec 08, 2025. We estimate that they now own 666,195 shares of $KYMR, worth an estimated $40.6 million.
Insider Trading at $KYMR
There have been a total of 291 insider trades reported at $KYMR since 2021, with 5.5 million shares purchased and 5.1 million shares sold. The most active insider traders in $KYMR stock have been Nello Mainolfi, Jared Gollob, and Bruce N. Jacobs. The most recent trade was a sale of 6,014 shares reported by Nello Mainolfi (Chief Executive Officer), made on Dec 31, 2025.
History of Insider Stock Trades by Nello Mainolfi
| Company Ticker | Purchase / Sale | Shares | Date | Disclosed (EST) |
|---|---|---|---|---|
KYMR
|
Sale | 6,014 | Dec 31, 2025 | Dec. 31, 2025, 6:23 p.m. |
KYMR
|
Sale | 23,986 | Dec 31, 2025 | Dec. 31, 2025, 6:23 p.m. |
KYMR
|
Sale | 100,000 | Dec 08, 2025 | Dec. 8, 2025, 7:09 p.m. |
KYMR
|
Sale | 3,627 | Oct 29, 2025 | Oct. 29, 2025, 5:19 p.m. |
KYMR
|
Sale | 1,862 | Oct 29, 2025 | Oct. 29, 2025, 5:19 p.m. |
KYMR
|
Sale | 24,511 | Oct 29, 2025 | Oct. 29, 2025, 5:19 p.m. |
KYMR
|
Sale | 30,000 | Sep 16, 2025 | Sept. 16, 2025, 4:11 p.m. |
KYMR
|
Sale | 30,000 | Jun 03, 2025 | June 3, 2025, 6:30 p.m. |
KYMR
|
Sale | 241 | Jan 12, 2022 | Jan. 12, 2022, 8:30 p.m. |
KYMR
|
Sale | 7,485 | Jan 10, 2022 | Jan. 12, 2022, 8:30 p.m. |
KYMR
|
Sale | 10,673 | Jan 10, 2022 | Jan. 12, 2022, 8:30 p.m. |
KYMR
|
Sale | 4,201 | Jan 10, 2022 | Jan. 12, 2022, 8:30 p.m. |
KYMR
|
Sale | 106 | Jan 10, 2022 | Jan. 12, 2022, 8:30 p.m. |
KYMR
|
Sale | 9,932 | Jan 11, 2022 | Jan. 12, 2022, 8:30 p.m. |
KYMR
|
Sale | 6,644 | Jan 11, 2022 | Jan. 12, 2022, 8:30 p.m. |
KYMR
|
Sale | 347 | Jan 11, 2022 | Jan. 12, 2022, 8:30 p.m. |
KYMR
|
Sale | 2,726 | Jan 12, 2022 | Jan. 12, 2022, 8:30 p.m. |
KYMR
|
Sale | 4,022 | Jan 12, 2022 | Jan. 12, 2022, 8:30 p.m. |
KYMR
|
Sale | 1,623 | Jan 12, 2022 | Jan. 12, 2022, 8:30 p.m. |
KYMR
|
Sale | 21,236 | Oct 08, 2021 | Oct. 11, 2021, 8 p.m. |
KYMR
|
Sale | 744 | Oct 11, 2021 | Oct. 11, 2021, 8 p.m. |
KYMR
|
Sale | 5,712 | Oct 11, 2021 | Oct. 11, 2021, 8 p.m. |
KYMR
|
Sale | 271 | Oct 08, 2021 | Oct. 11, 2021, 8 p.m. |
KYMR
|
Sale | 670 | Oct 08, 2021 | Oct. 11, 2021, 8 p.m. |
KYMR
|
Sale | 7,920 | Oct 08, 2021 | Oct. 11, 2021, 8 p.m. |
KYMR
|
Sale | 2,078 | Oct 08, 2021 | Oct. 11, 2021, 8 p.m. |
KYMR
|
Sale | 9,369 | Oct 08, 2021 | Oct. 11, 2021, 8 p.m. |
KYMR
|
Sale | 5,669 | Aug 03, 2021 | Aug. 4, 2021, 8 p.m. |
KYMR
|
Sale | 1,037 | Aug 04, 2021 | Aug. 4, 2021, 8 p.m. |
KYMR
|
Sale | 680 | Jul 29, 2021 | Aug. 1, 2021, 8 p.m. |
KYMR
|
Sale | 6,279 | Jul 30, 2021 | Aug. 1, 2021, 8 p.m. |
KYMR
|
Sale | 300 | Aug 02, 2021 | Aug. 1, 2021, 8 p.m. |
KYMR
|
Sale | 21,632 | Aug 02, 2021 | Aug. 1, 2021, 8 p.m. |
KYMR
|
Sale | 1,524 | Aug 02, 2021 | Aug. 1, 2021, 8 p.m. |
KYMR
|
Sale | 9,015 | Jul 26, 2021 | July 27, 2021, 8 p.m. |
KYMR
|
Sale | 3,864 | Jul 28, 2021 | July 27, 2021, 8 p.m. |
KYMR
|
Sale | 23,803 | Jul 08, 2021 | July 8, 2021, 8 p.m. |
KYMR
|
Sale | 595 | Jul 08, 2021 | July 8, 2021, 8 p.m. |
KYMR
|
Sale | 17,230 | Jul 08, 2021 | July 8, 2021, 8 p.m. |
KYMR
|
Sale | 6,372 | Jul 08, 2021 | July 8, 2021, 8 p.m. |
KYMR
|
Sale | 5,994 | Jun 10, 2021 | June 10, 2021, 8 p.m. |
KYMR
|
Sale | 6,912 | Jun 10, 2021 | June 10, 2021, 8 p.m. |
KYMR
|
Sale | 10,103 | Jun 10, 2021 | June 10, 2021, 8 p.m. |
KYMR
|
Sale | 12,724 | Jun 07, 2021 | June 8, 2021, 8 p.m. |
KYMR
|
Sale | 5,752 | Jun 09, 2021 | June 8, 2021, 8 p.m. |
KYMR
|
Sale | 270 | Jun 08, 2021 | June 8, 2021, 8 p.m. |
$KYMR Executives and Stock Owners with Insider Trades
-
Nello Mainolfi, Chief Executive Officer
-
Jared Gollob, Chief Medical Officer
-
Bruce N. Jacobs, Chief Financial Officer
-
Ellen Chiniara, Chief Legal Officer
-
Jeremy G Chadwick, Chief Operating Officer
-
Richard Chesworth, Chief Scientific Officer
*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.