Kymera Therapeutics, Inc. (KYMR)
Data as of , from SEC Form 4 filings.
Net insider selling (90d)Watch KYMR
See up to 3 months of KYMR. The 7-day demo opens the 1M and 3M ranges and puts KYMR on your watchlist.
Start 7-day demoLatest KYMR insider trades
About Kymera Therapeutics, Inc. (KYMR)
Kymera Therapeutics, Inc. is an SEC registrant, filing under CIK 0001815442, classified as biological products (no diagnostic substances). It is grouped with Health Care companies on this site.
KYMR Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 9 | 36,371 | $4.16M |
| Grant or award | 2 | 114,000 | |
| Option exercise | 2 | 60,000 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
KYMR insider transactions (Form 4)
15970 Form 4 filings on record, the earliest from Dec 2, 2024, newest first. Filing history page 1 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Nello Mainolfi - Officer | Option exercise | Common Stock | 30,000 | $2.08 | $62K | |
| Nello Mainolfi - Officer | Open-market sale | Common Stock | 3,525 | $111.44 footnote F2 | $393K | |
| Nello Mainolfi - Officer | Open-market sale | Common Stock | 5,506 | $112.42 footnote F3 | $619K | |
| Nello Mainolfi - Officer | Open-market sale | Common Stock | 4,876 | $113.24 footnote F4 | $552K | |
| Nello Mainolfi - Officer | Open-market sale | Common Stock | 7,601 | $114.43 footnote F5 | $870K | |
| Nello Mainolfi - Officer | Open-market sale | Common Stock | 8,230 | $115.40 footnote F6 | $950K | |
| Nello Mainolfi - Officer | Open-market sale | Common Stock | 262 | $116.12 footnote F7 | $30K | |
| Nello Mainolfi - Officer | Option exercise | Stock Option (Right to Buy) | 30,000 | $0.00 | - | |
| ||||||
| Brian Adams - Officer | Open-market sale | Common Stock | 1,209 | $115.55 footnote F2 | $140K | |
| Brian Adams - Officer | Open-market sale | Common Stock | 3,025 | $116.81 footnote F3 | $353K | |
| Brian Adams - Officer | Open-market sale | Common Stock | 2,137 | $117.57 footnote F4 | $251K | |
| ||||||
| Terence Rooney - Officer | Grant or award | Common Stock | 38,000 | $0.00 | - | |
| Terence Rooney - Officer | Grant or award | Stock Option (Right to Buy) | 76,000 | $0.00 | - | |
| Nello Mainolfi - Officer | Option exercise | Common Stock | 50,000 | $2.08 | $104K | |
| Nello Mainolfi - Officer | Open-market sale | Common Stock | 50,000 | $119.00 | $5.95M | |
| Nello Mainolfi - Officer | Option exercise | Stock Option (Right to Buy) | 45,559 | $0.00 | - | |
| Nello Mainolfi - Officer | Option exercise | Stock Option (Right to Buy) | 4,441 | $0.00 | - | |
| Bruce N. Jacobs - Officer | Open-market sale | Common Stock | 51,375 | $114.77 footnote F7 | $5.90M | |
| Bruce N. Jacobs - Officer | Open-market sale | Common Stock | 7,971 | $115.82 footnote F8 | $923K | |
| Bruce N. Jacobs - Officer | Open-market sale | Common Stock | 6,153 | $116.99 footnote F9 | $720K | |
| Bruce N. Jacobs - Officer | Open-market sale | Common Stock | 3,200 | $117.70 footnote F10 | $377K | |
| Bruce N. Jacobs - Officer | Option exercise | Stock Option (Right to Buy) | 61,378 | $0.00 | - | |
| Bruce N. Jacobs - Officer | Option exercise | Common Stock | 61,378 | $5.33 | $327K | |
| Bruce N. Jacobs - Officer | Open-market sale | Common Stock | 1,500 | $110.54 footnote F3 | $166K | |
| Bruce N. Jacobs - Officer | Open-market sale | Common Stock | 1,700 | $111.57 footnote F4 | $190K | |
| Bruce N. Jacobs - Officer | Open-market sale | Common Stock | 1,100 | $112.79 footnote F5 | $124K | |
| Bruce N. Jacobs - Officer | Open-market sale | Common Stock | 4,110 | $114.19 footnote F6 | $469K | |
| ||||||
| Noah Goodman - Officer | Open-market sale | Common Stock | 3,389 | $114.29 | $387K | |
| Nello Mainolfi - Officer | Open-market sale | Common Stock | 24,105 | $114.96 footnote F5 | $2.77M | |
| Nello Mainolfi - Officer | Open-market sale | Common Stock | 44,050 | $115.69 footnote F6 | $5.10M | |
| Nello Mainolfi - Officer | Open-market sale | Common Stock | 3,336 | $116.56 footnote F7 | $389K | |
| Nello Mainolfi - Officer | Option exercise | Stock Option (Right to Buy) | 80,000 | $0.00 | - | |
| Nello Mainolfi - Officer | Option exercise | Common Stock | 80,000 | $2.08 | $166K | |
| Nello Mainolfi - Officer | Open-market sale | Common Stock | 1,883 | $112.80 footnote F3 | $212K | |
| Nello Mainolfi - Officer | Open-market sale | Common Stock | 6,626 | $113.98 footnote F4 | $755K | |
| ||||||
 Bruce Booth | Open-market sale | Common Stock | 5,549 | $105.78 | $587K | |
| Bruce Booth | Open-market sale | Common Stock | 14,798 | $106.63 | $1.58M | |
| Bruce Booth | Open-market sale | Common Stock | 19,419 | $107.76 | $2.09M | |
| Bruce Booth | Open-market sale | Common Stock | 10,848 | $108.28 | $1.17M | |
| Bruce Booth | Open-market sale | Common Stock | 7,968 | $109.75 | $874K | |
| Bruce Booth | Open-market sale | Common Stock | 7,723 | $110.67 | $855K | |
| Bruce Booth | Open-market sale | Common Stock | 934 | $111.20 | $104K | |
| Bruce Booth | Open-market sale | Common Stock | 770 | $105.78 | $81K | |
| Bruce Booth | Open-market sale | Common Stock | 2,133 | $106.63 | $227K | |
| Bruce Booth | Open-market sale | Common Stock | 2,698 | $107.76 | $291K | |
| Bruce Booth | Open-market sale | Common Stock | 1,498 | $108.28 | $162K | |
| Bruce Booth | Open-market sale | Common Stock | 1,104 | $109.75 | $121K | |
| Bruce Booth | Open-market sale | Common Stock | 1,078 | $110.67 | $119K | |
| Bruce Booth | Open-market sale | Common Stock | 130 | $111.20 | $14K | |
| Bruce Booth | Open-market sale | Common Stock | 7,833 | $109.75 footnote F4 | $860K | |
| Bruce Booth | Open-market sale | Common Stock | 7,602 | $110.67 footnote F5 | $841K | |
| Bruce Booth | Open-market sale | Common Stock | 907 | $111.20 footnote F6 | $101K | |
| Bruce Booth | Open-market sale | Common Stock | 1,688 | $108.28 footnote F2 | $183K | |
| Bruce Booth | Open-market sale | Common Stock | 1,239 | $109.75 footnote F4 | $136K | |
| Bruce Booth | Open-market sale | Common Stock | 1,199 | $110.67 footnote F5 | $133K | |
| Bruce Booth | Open-market sale | Common Stock | 157 | $111.20 footnote F6 | $17K | |
| Bruce Booth | Open-market sale | Common Stock | 10,658 | $108.28 footnote F2 | $1.15M | |
| ||||||
| BVF PARTNERS L P - Director | Open-market sale | Common Stock, $0.0001 par value | 837,914 | $106.50 | $89.24M | |
| BVF PARTNERS L P - Director | Open-market sale | Common Stock, $0.0001 par value | 627,597 | $106.50 | $66.84M | |
| BVF PARTNERS L P - Director | Open-market sale | Common Stock, $0.0001 par value | 113,289 | $106.50 | $12.07M | |
| BVF PARTNERS L P - Director | Open-market sale | Common Stock, $0.0001 par value | 51,858 | $106.50 | $5.52M | |
| Bruce Booth | Open-market sale | Common Stock | 4,977 | $122.67 footnote F6 | $611K | |
| Bruce Booth | Open-market sale | Common Stock | 10,860 | $123.62 footnote F7 | $1.34M | |
| Bruce Booth | Open-market sale | Common Stock | 11,711 | $124.61 footnote F8 | $1.46M | |
| Bruce Booth | Open-market sale | Common Stock | 3,716 | $125.82 footnote F9 | $468K | |
| Bruce Booth | Open-market sale | Common Stock | 1,609 | $126.71 footnote F10 | $204K | |
| Bruce Booth | Open-market sale | Common Stock | 25,075 | $127.37 footnote F11 | $3.19M | |
| Bruce Booth | Open-market sale | Common Stock | 2,197 | $128.69 footnote F12 | $283K | |
| Bruce Booth | Open-market sale | Common Stock | 337 | $129.61 footnote F13 | $44K | |
| Bruce Booth | Open-market sale | Common Stock | 5,144 | $119.71 footnote F2 | $616K | |
| Bruce Booth | Open-market sale | Common Stock | 15,660 | $120.66 footnote F4 | $1.89M | |
| Bruce Booth | Open-market sale | Common Stock | 5,689 | $121.38 footnote F5 | $691K | |
| Bruce Booth | Open-market sale | Common Stock | 698 | $122.67 footnote F6 | $86K | |
| Bruce Booth | Open-market sale | Common Stock | 1,517 | $123.62 footnote F7 | $188K | |
| Bruce Booth | Open-market sale | Common Stock | 1,639 | $124.61 footnote F8 | $204K | |
| Bruce Booth | Open-market sale | Common Stock | 522 | $125.82 footnote F9 | $66K | |
| Bruce Booth | Open-market sale | Common Stock | 223 | $126.71 footnote F10 | $28K | |
| Bruce Booth | Open-market sale | Common Stock | 3,507 | $127.37 footnote F11 | $447K | |
| Bruce Booth | Open-market sale | Common Stock | 305 | $128.69 footnote F12 | $39K | |
| Bruce Booth | Open-market sale | Common Stock | 46 | $129.61 footnote F13 | $6K | |
| Bruce Booth | Open-market sale | Common Stock | 37,179 | $119.71 footnote F2 | $4.45M | |
| Bruce Booth | Open-market sale | Common Stock | 112,299 | $120.66 footnote F4 | $13.55M | |
| Bruce Booth | Open-market sale | Common Stock | 40,774 | $121.38 footnote F5 | $4.95M | |
| ||||||
| BVF PARTNERS L P - Director | Grant or award | Stock Option (Right to Buy) | 6,068 | $0.00 | - | |
| Bruce Booth | Grant or award | Stock Option (Right to Buy) | 6,068 | $0.00 | - | |
 Gorjan Hrustanovic | Grant or award | Stock Option (Right to Buy) | 6,068 | $0.00 | - | |
 Jeffrey W. Albers | Grant or award | Stock Option (Right to Buy) | 6,068 | $0.00 | - | |
| Noah Goodman - Officer | Option exercise | Common Stock | 5,000 | $21.05 | $105K | |
| Noah Goodman - Officer | Open-market sale | Common Stock | 2,500 | $109.00 | $273K | |
| Noah Goodman - Officer | Open-market sale | Common Stock | 2,500 | $119.00 | $298K | |
| Noah Goodman - Officer | Option exercise | Stock Option (Right to Buy) | 5,000 | $0.00 | - | |
| Elena Ridloff | Grant or award | Stock Option (Right to Buy) | 6,068 | $0.00 | - | |
| Victor Sandor | Grant or award | Stock Option (Right to Buy) | 6,068 | $0.00 | - | |
| Pamela Esposito | Grant or award | Stock Option (Right to Buy) | 6,068 | $0.00 | - | |
| John Maraganore | Grant or award | Stock Option (Right to Buy) | 6,068 | $0.00 | - | |
| BAKER BROS. ADVISORS LP | Grant or award | Non-Qualified Stock Option (right to buy) | 6,068 footnote F1 | $0.00 | - | |
| BAKER BROS. ADVISORS LP | Grant or award | Non-Qualified Stock Option (right to buy) | 6,068 footnote F1 | $0.00 | - | |
| ||||||
| Bruce Booth | Open-market sale | Common Stock | 16,084 | $97.68 footnote F14 | $1.57M | |
| Bruce Booth | Open-market sale | Common Stock | 25,976 | $98.58 footnote F15 | $2.56M | |
| Bruce Booth | Open-market sale | Common Stock | 52,442 | $99.57 footnote F16 | $5.22M | |
| Bruce Booth | Open-market sale | Common Stock | 56,348 | $100.17 footnote F17 | $5.64M | |
| Bruce Booth | Open-market sale | Common Stock | 6,597 | $101.61 footnote F18 | $670K | |
| Bruce Booth | Open-market sale | Common Stock | 8,990 | $102.48 footnote F19 | $921K | |
| Bruce Booth | Open-market sale | Common Stock | 2,179 | $92.14 footnote F10 | $201K | |
| Bruce Booth | Open-market sale | Common Stock | 286 | $94.48 footnote F11 | $27K | |
| Bruce Booth | Open-market sale | Common Stock | 1,648 | $95.12 footnote F12 | $157K | |
| Bruce Booth | Open-market sale | Common Stock | 2,919 | $96.24 footnote F13 | $281K | |
| Bruce Booth | Open-market sale | Common Stock | 2,247 | $97.68 footnote F14 | $219K | |
| Bruce Booth | Open-market sale | Common Stock | 3,603 | $98.58 footnote F15 | $355K | |
| Bruce Booth | Open-market sale | Common Stock | 7,319 | $99.57 footnote F16 | $729K | |
| Bruce Booth | Open-market sale | Common Stock | 7,879 | $100.17 footnote F17 | $789K | |
| Bruce Booth | Open-market sale | Common Stock | 918 | $101.61 footnote F18 | $93K | |
| Bruce Booth | Open-market sale | Common Stock | 1,253 | $102.48 footnote F19 | $128K | |
| Bruce Booth | Option exercise | Stock Option (Right to Buy) | 11,741 | $0.00 | - | |
| Bruce Booth | Option exercise | Common Stock | 11,741 | $20.00 | $235K | |
| Bruce Booth | Open-market sale | Common Stock | 11,741 | $89.98 footnote F2 | $1.06M | |
| Bruce Booth | Open-market sale | Common Stock | 92,169 | $90.38 footnote F4 | $8.33M | |
| Bruce Booth | Open-market sale | Common Stock | 12,902 | $90.38 footnote F4 | $1.17M | |
| Bruce Booth | Open-market sale | Common Stock | 62,897 | $90.48 footnote F7 | $5.69M | |
| Bruce Booth | Open-market sale | Common Stock | 32,359 | $91.85 footnote F8 | $2.97M | |
| Bruce Booth | Open-market sale | Common Stock | 5,672 | $92.16 footnote F9 | $523K | |
| Bruce Booth | Open-market sale | Common Stock | 8,809 | $90.48 footnote F7 | $797K | |
| Bruce Booth | Open-market sale | Common Stock | 4,526 | $91.85 footnote F8 | $416K | |
| Bruce Booth | Open-market sale | Common Stock | 793 | $92.16 footnote F9 | $73K | |
| Bruce Booth | Open-market sale | Common Stock | 14,921 | $92.14 footnote F10 | $1.37M | |
| Bruce Booth | Open-market sale | Common Stock | 2,035 | $94.48 footnote F11 | $192K | |
| Bruce Booth | Open-market sale | Common Stock | 11,783 | $95.12 footnote F12 | $1.12M | |
| Bruce Booth | Open-market sale | Common Stock | 20,903 | $96.24 footnote F13 | $2.01M | |
| ||||||
| Noah Goodman - Officer | Option exercise | Common Stock | 2,500 | $21.05 | $53K | |
| Noah Goodman - Officer | Open-market sale | Common Stock | 2,500 | $99.00 | $248K | |
| Noah Goodman - Officer | Option exercise | Stock Option (Right to Buy) | 2,500 | $0.00 | - | |
| Bruce N. Jacobs - Officer | Option exercise | Common Stock | 12,653 | $2.08 | $26K | |
| Bruce N. Jacobs - Officer | Option exercise | Stock Option (Right to Buy) | 12,653 | $0.00 | - | |
| Jeremy G. Chadwick - Officer | Open-market sale | Common Stock | 3,730 | $78.36 footnote F2 | $292K | |
| Jeremy G. Chadwick - Officer | Open-market sale | Common Stock | 324 | $79.17 | $26K | |
| Jeremy G. Chadwick - Officer | Open-market sale | Common Stock | 3,800 | $79.39 footnote F4 | $302K | |
| Jeremy G. Chadwick - Officer | Open-market sale | Common Stock | 4,500 | $80.02 footnote F5 | $360K | |
| Jeremy G. Chadwick - Officer | Open-market sale | Common Stock | 551 | $80.71 footnote F6 | $44K | |
| Jeremy G. Chadwick - Officer | Open-market sale | Common Stock | 3,679 | $81.50 footnote F7 | $300K | |
| Jeremy G. Chadwick - Officer | Open-market sale | Common Stock | 600 | $82.08 footnote F8 | $49K | |
| ||||||
| Pamela Esposito | Option exercise | Common Stock | 1,000 | $31.20 | $31K | |
| Pamela Esposito | Option exercise | Stock Option (Right to Buy) | 1,000 | $0.00 | - | |
| Bruce N. Jacobs - Officer | Option exercise | Common Stock | 15,000 | $2.08 | $31K | |
| Bruce N. Jacobs - Officer | Option exercise | Stock Option (Right to Buy) | 15,000 | $0.00 | - | |
| Elena Ridloff | Option exercise | Common Stock | 3,000 | $31.20 | $94K | |
| Elena Ridloff | Open-market sale | Common Stock | 3,000 | $87.00 | $261K | |
| Elena Ridloff | Option exercise | Stock Option (Right to Buy) | 3,000 | $0.00 | - | |
| Nello Mainolfi - Officer | Option exercise | Common Stock | 30,000 | $2.08 | $62K | |
| Nello Mainolfi - Officer | Open-market sale | Common Stock | 17,005 | $80.74 footnote F2 | $1.37M | |
| Nello Mainolfi - Officer | Open-market sale | Common Stock | 12,059 | $81.70 footnote F3 | $985K | |
| Nello Mainolfi - Officer | Open-market sale | Common Stock | 936 | $82.45 footnote F4 | $77K | |
| Nello Mainolfi - Officer | Option exercise | Stock Option (Right to Buy) | 30,000 | $0.00 | - | |
| ||||||
| Bruce Booth | Option exercise | Common Stock | 5,641 | $14.18 | $80K | |
| Bruce Booth | Option exercise | Common Stock | 259 | $20.00 | $5K | |
| Bruce Booth | Open-market sale | Common Stock | 5,900 | $89.96 footnote F2 | $531K | |
| Bruce Booth | Open-market sale | Common Stock | 88 | $90.08 | $8K | |
| Bruce Booth | Open-market sale | Common Stock | 12 | $90.08 | $1K | |
| Bruce Booth | Option exercise | Stock Option (Right to Buy) | 5,641 | $0.00 | - | |
| Bruce Booth | Option exercise | Stock Option (Right to Buy) | 259 | $0.00 | - | |
| ||||||
Item 2.02, 9.01
Item 5.02, 7.01, 9.01
Item 7.01, 8.01, 9.01
Item 5.07
Recent KYMR Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Mainolfi Nello | Officer, Director | 30,000 | $3.35M | View on EDGAR | |
| Brian Adams | Officer | 6,371 |
KYMR insider trading FAQ
What is the latest insider trade for KYMR?
Kymera Therapeutics, Inc. (KYMR) had 3 insider filings in the last 90 days, with the most recent on 2026-10-01. The full record for KYMR runs to 70 Form 4 filings, the earliest from 2024-12-02. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying KYMR stock?
No insider purchases of KYMR were filed in the last 90 days. 9 purchases are on record for this company.
How many insiders are selling KYMR stock?
9 insider sales of KYMR were filed in the last 90 days, totaling $4.16M.
Where can I see KYMR SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects KYMR Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Health Care companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Nello Mainolfi view on EDGAR
- - Brian Adams view on EDGAR
- - Terence Rooney view on EDGAR
- - Nello Mainolfi view on EDGAR
- - Bruce N. Jacobs view on EDGAR
- - Noah Goodman view on EDGAR
- - Nello Mainolfi view on EDGAR
- - Bruce Booth view on EDGAR
- - Bruce Booth view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Health Care
- Where KYMR's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
Follow KYMR with a 7-day demo
- KYMR on your watchlist
- Every KYMR Form 4 filing on record
- Up to 3 months of KYMR price history
- The daily trading plan of ranked insider buys, on a delay, with the plan archive
Start 7-day demoCard required. Your card is never charged for the demo.
