Data spanning the past 90 days through December 12, 2025 reveals that Kymera Therapeutics's three principal insider shareholders consist of Director Bros. Advisors Lp Baker (6.12Mn shares), Chief Executive Officer Nello Mainolfi (660.48K shares), Chief Financial Officer Bruce N. Jacobs (227.41K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Bros. Advisors Lp Baker | 7,955,916 | 11 Dec, 2025 | |
| Venture Fund X, L.P. Atlas | 5,504,905 | 13 Mar, 2024 | |
| Bruce Booth | 685,393 | 12 Dec, 2025 | |
| Nello Mainolfi | Chief Executive Officer | 660,482 | 08 Dec, 2025 |
| Partners L P/Il Bvf | 353,412 | 01 Jul, 2025 | |
| Bruce N. Jacobs | Chief Financial Officer | 227,409 | 17 Sep, 2025 |
| Jared Gollob | Chief Medical Officer | 109,992 | 08 Dec, 2025 |
| Ellen Chiniara | Chief Legal Officer | 80,085 | 03 Mar, 2025 |
| Jeremy G Chadwick | Chief Operating Officer | 66,420 | 23 May, 2025 |
| Brian Adams | Chief Legal Officer | 52,500 | 03 Sep, 2025 |
| Noah Goodman | Chief Business Officer | 50,081 | 09 Apr, 2025 |
| Elaine Caughey | Chief Business Officer | 18,986 | 03 Mar, 2023 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 11 Dec, 2025 | Bros. Advisors Lp Baker | Common Stock | A | 167,192 | $86.00 | 701,326 | I | P |
| 11 Dec, 2025 | Bros. Advisors Lp Baker | Common Stock | A | 1,838,621 | $86.00 | 7,955,916 | I | P |
| 10 Dec, 2025 | Bruce Booth | Common Stock | D | 31,459 | $88.64 | 4,141,757 | I | S |
| 10 Dec, 2025 | Bruce Booth | Common Stock | D | 17,825 | $89.25 | 4,123,932 | I | S |
| 10 Dec, 2025 | Bruce Booth | Common Stock | D | 10,545 | $90.14 | 4,113,387 | I | S |
| 10 Dec, 2025 | Bruce Booth | Common Stock | D | 47,349 | $92.41 | 4,066,038 | I | S |
| 10 Dec, 2025 | Bruce Booth | Common Stock | D | 85,862 | $93.20 | 3,980,176 | I | S |
| 10 Dec, 2025 | Bruce Booth | Common Stock | D | 5,979 | $88.64 | 717,267 | I | S |
| 10 Dec, 2025 | Bruce Booth | Common Stock | D | 3,391 | $89.25 | 713,876 | I | S |
| 10 Dec, 2025 | Bruce Booth | Common Stock | D | 2,001 | $90.14 | 711,875 | I | S |
| 10 Dec, 2025 | Bruce Booth | Common Stock | D | 9,060 | $92.41 | 702,815 | I | S |
| 10 Dec, 2025 | Bruce Booth | Common Stock | D | 16,338 | $93.20 | 686,477 | I | S |
| 11 Dec, 2025 | Bruce Booth | Common Stock | D | 5,125 | $91.23 | 3,975,051 | I | S |
| 11 Dec, 2025 | Bruce Booth | Common Stock | D | 976 | $91.23 | 685,501 | I | S |
| 12 Dec, 2025 | Bruce Booth | Common Stock | D | 570 | $91.04 | 3,974,481 | I | S |
| 12 Dec, 2025 | Bruce Booth | Common Stock | D | 108 | $91.04 | 685,393 | I | S |
| 08 Dec, 2025 | Jeffrey W. Albers | Common Stock | A | 5,000 | $14.18 | 5,000 | D | M |
| 08 Dec, 2025 | Jared Gollob | Common Stock | A | 49,307 | $5.33 | 159,299 | D | M |
| 08 Dec, 2025 | Nello Mainolfi | Common Stock | A | 100,000 | $2.08 | 760,482 | D | M |
| 08 Dec, 2025 | Jared Gollob | Common Stock | D | 13,759 | $87.37 | 145,540 | D | S |