IGM Biosciences, Inc.
IGMSDelisted Aug 14, 2025- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001496323
IGM Biosciences, Inc. was delisted on Aug 14, 2025; its insiders filed their last Form 4 on Aug 18, 2025; 66 institutions reported holding it in 13F filings for Q2 2025, worth $17.9M in total; no superinvestor held it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by IGM Biosciences, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for IGM Biosciences, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Baker Julian | Other: Former 10% owner and director | 0Indirect | Aug 18, 2025 | 0 |
| Baker Felix | Other: Former 10% owner and director | 0Indirect | Aug 18, 2025 | 0 |
| Baker Bros. Advisors LP | Other: Former 10% owner and director | 0Indirect | Aug 18, 2025 | 0 |
| Baker Brothers Life Sciences LP | Other: Former 10% owner and director | 0Indirect | Aug 18, 2025 | 0 |
| 667, L.P. | Other: Former 10% owner and director | 0Indirect | Aug 18, 2025 | 0 |
| Baker Bros. Advisors (GP) LLC | Other: Former 10% owner and director | 0Indirect | Aug 18, 2025 | 0 |
| Redmile Group, LLC | Director, 10% Owner | 0Indirect | Aug 15, 2025 | 0 |
| Green Jeremy | 10% Owner | 0Indirect | Aug 15, 2025 | 0 |
| Behrens M Kathleen | Director | 0Indirect | Aug 14, 2025 | 0 |
| Hambleton Julie | Director | 0 | Aug 14, 2025 | 0 |
| Lee Michael Stewart | Director | 0 | Aug 14, 2025 | 0 |
| Topsoe Jakob Haldor | Director, 10% Owner | 0Indirect | Aug 14, 2025 | 0 |
| Strohl William | Director | 0 | Aug 14, 2025 | 0 |
| Topsoe Christina Teng | Director, 10% Owner | 0Indirect | Aug 14, 2025 | 0 |
| Topsoe Holding A/S | 10% Owner | 0 | Aug 14, 2025 | 0 |
| Thompson Elizabeth H.Z. | Director | 0 | Aug 14, 2025 | 0 |
| Harler Mary Beth | Chief Executive Officer | 0 | Aug 14, 2025 | 0 |
| Decker Lisa Lynn | CHIEF BUSINESS OFFICER | 68,169 | Jul 25, 2025 | 0 |
| Tahir Misbah | CHIEF FINANCIAL OFFICER | 170,061 | Jul 25, 2025 | 0 |
| Weber Steven | PRINCIPAL ACCOUNTING OFFICER | 26,530 | Jun 20, 2025 | 0 |
| Takimoto Chris H | CHIEF MEDICAL OFFICER | 154,331 | Sep 17, 2024 | 0 |
| Schwarzer Fred | CEO AND PRESIDENT | 250,124 | Sep 17, 2024 | 0 |
| Keyt Bruce | CHIEF SCIENTIFIC OFFICER | 242,948 | Sep 17, 2024 | 0 |
| Gauthier George | Chief Commercial Officer | 39,642 | Dec 1, 2023 | 0 |
| Loberg Michael D | Director | 1,138 | Oct 3, 2023 | 0 |
| Chen Daniel ShinYu | Chief Medical Officer | 116,518 | Jul 6, 2021 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jul 25, 2025 (view filing) | Jul 23 | 2 days | Tahir MisbahCHIEF FINANCIAL OFFICER | SSale | −8.74K | $1.27 | −$11.1K | −4.9%170.1K after | |
| Jul 25, 2025 (view filing) | Jul 23 | 2 days | Harler Mary BethChief Executive Officer | SSale | −14.5K | $1.27 | −$18.4K | −4.3%323.7K after | |
| Jul 25, 2025 (view filing) | Jul 23 | 2 days | Decker Lisa LynnCHIEF BUSINESS OFFICER | SSale | −4.41K | $1.27 | −$5.60K | −6.1%68.2K after | |
| Jun 20, 2025 (view filing) | Jun 16 | 4 daysLate | Weber StevenPRINCIPAL ACCOUNTING OFFICER | SSale | −486 | $1.20 | −$583.2 | −1.8%26.5K after | |
| Jun 20, 2025 (view filing) | Jun 16 | 4 daysLate | Tahir MisbahCHIEF FINANCIAL OFFICER | SSale | −1.52K | $1.20 | −$1.83K | −0.8%178.8K after | |
| Jun 20, 2025 (view filing) | Jun 16 | 4 daysLate | Harler Mary BethChief Executive Officer | SSale | −1.52K | $1.20 | −$1.83K | −0.4%338.2K after | |
| Jun 20, 2025 (view filing) | Jun 16 | 4 daysLate | Decker Lisa LynnCHIEF BUSINESS OFFICER | SSale | −951 | $1.20 | −$1.14K | −1.3%72.6K after | |
| May 16, 2025 (view filing) | May 14 | 2 days | Weber StevenPRINCIPAL ACCOUNTING OFFICER | SSale | −1.86K | $1.12 | −$2.09K | −6.5%27.0K after | |
| Mar 18, 2025 (view filing) | Mar 14 | 4 days | Weber StevenPRINCIPAL ACCOUNTING OFFICER | SSale | −1.70K | $1.23 | −$2.09K | −5.6%28.9K after | |
| Mar 18, 2025 (view filing) | Mar 14 | 4 days | Tahir MisbahCHIEF FINANCIAL OFFICER | SSale | −7.33K | $1.23 | −$9.01K | −3.9%180.3K after | |
| Mar 18, 2025 (view filing) | Mar 14 | 4 days | Harler Mary BethChief Executive Officer | SSale | −7.33K | $1.23 | −$9.01K | −2.1%339.7K after | |
| Mar 18, 2025 (view filing) | Mar 14 | 4 days | Decker Lisa LynnCHIEF BUSINESS OFFICER | SSale | −4.51K | $1.23 | −$5.55K | −5.8%73.5K after | |
| Jan 17, 2025 (view filing) | Jan 15 | 2 days | Weber StevenPRINCIPAL ACCOUNTING OFFICER | SSale | −1.12K | $1.70 | −$1.91K | −3.5%30.6K after | |
| Dec 18, 2024 (view filing) | Dec 16 | 2 days | Weber StevenPRINCIPAL ACCOUNTING OFFICER | SSale | −539 | $7.48 | −$4.03K | −1.7%31.7K after | |
| Dec 18, 2024 (view filing) | Dec 16 | 2 days | Decker Lisa LynnCHIEF BUSINESS OFFICER | SSale | −1.06K | $7.48 | −$7.95K | −1.3%78.0K after | |
| Dec 18, 2024 (view filing) | Dec 16 | 2 days | Harler Mary BethChief Executive Officer | SSale | −1.71K | $7.48 | −$12.8K | −0.5%347.0K after | |
| Dec 18, 2024 (view filing) | Dec 16 | 2 days | Tahir MisbahCHIEF FINANCIAL OFFICER | SSale | −1.71K | $7.48 | −$12.8K | −0.9%187.7K after | |
| Sep 17, 2024 (view filing) | Sep 13 | 4 days | Weber StevenPRINCIPAL ACCOUNTING OFFICER | SSale | −469 | $11.54 | −$5.41K | −1.8%25.5K after | |
| Sep 17, 2024 (view filing) | Sep 13 | 4 days | Takimoto Chris HCHIEF MEDICAL OFFICER | SSale | −1.49K | $11.54 | −$17.2K | −1.0%154.3K after | |
| Sep 17, 2024 (view filing) | Sep 13 | 4 days | Tahir MisbahCHIEF FINANCIAL OFFICER | SSale | −1.49K | $11.54 | −$17.2K | −1.2%122.7K after | |
| Sep 17, 2024 (view filing) | Sep 13 | 4 days | Schwarzer FredCEO AND PRESIDENT | SSale | −3.95K | $11.54 | −$45.5K | −1.6%250.1K after | |
| Sep 17, 2024 (view filing) | Sep 13 | 4 days | Keyt BruceCHIEF SCIENTIFIC OFFICER | SSale | −1.49K | $11.54 | −$17.2K | −0.6%242.9K after | |
| Sep 17, 2024 (view filing) | Sep 13 | 4 days | Harler Mary BethHead, Research & Autoimmunity | SSale | −1.49K | $11.54 | −$17.2K | −0.9%163.7K after | |
| Sep 17, 2024 (view filing) | Sep 13 | 4 days | Decker Lisa LynnCHIEF BUSINESS OFFICER | SSale | −925 | $11.54 | −$10.7K | −1.2%79.1K after | |
| Jul 29, 2024 (view filing) | Jul 25 | 4 days | Hambleton JulieDirector | SSale | −15.1K | $14.00 | −$211.8K | −88.3%2.00K after | 10b5-1 |
| Jun 18, 2024 (view filing) | Jun 14 | 4 days | Weber StevenPRINCIPAL ACCOUNTING OFFICER | SSale | −495 | $7.58 | −$3.75K | −1.9%26.0K after | |
| Jun 18, 2024 (view filing) | Jun 14 | 4 days | Takimoto Chris HCHIEF MEDICAL OFFICER | SSale | −1.57K | $7.58 | −$11.9K | −1.6%95.8K after | |
| Jun 18, 2024 (view filing) | Jun 14 | 4 days | Tahir MisbahCHIEF FINANCIAL OFFICER | SSale | −1.57K | $7.58 | −$11.9K | −1.7%88.8K after | |
| Jun 18, 2024 (view filing) | Jun 14 | 4 days | Schwarzer FredCEO AND PRESIDENT | SSale | −4.16K | $7.58 | −$31.6K | −1.6%254.1K after | |
| Jun 18, 2024 (view filing) | Jun 14 | 4 days | Keyt BruceCHIEF SCIENTIFIC OFFICER | SSale | −1.11K | $7.58 | −$8.38K | −0.6%197.8K after | |
| Jun 18, 2024 (view filing) | Jun 14 | 4 days | Harler Mary BethHead, Research & Autoimmunity | SSale | −1.57K | $7.58 | −$11.9K | −1.8%85.2K after | |
| Jun 18, 2024 (view filing) | Jun 14 | 4 days | Decker Lisa LynnCHIEF BUSINESS OFFICER | SSale | −977 | $7.58 | −$7.41K | −1.6%60.0K after | |
| Mar 28, 2024 (view filing)7:04 PM ET | Mar 26-28 | 2 days | Baker Julian and 5 othersDirector, 10% Owner | PPurchase | +395.3K | $8.67 | +$3.43M | +11.8%3.75M after | 8 lots |
| Mar 15, 2024 (view filing) | Mar 13-14 | 2 days | Weber StevenPRINCIPAL ACCOUNTING OFFICER | SSale | −993 | $10.02 | −$9.95K | −3.6%26.5K after | 2 lots |
| Mar 15, 2024 (view filing) | Mar 13-14 | 2 days | Takimoto Chris HCHIEF MEDICAL OFFICER | SSale | −5.42K | $10.02 | −$54.3K | −5.4%94.4K after | 2 lots |
| Mar 15, 2024 (view filing) | Mar 13-14 | 2 days | Tahir MisbahCHIEF FINANCIAL OFFICER | SSale | −5.44K | $10.02 | −$54.5K | −5.7%90.4K after | 2 lots |
| Mar 15, 2024 (view filing) | Mar 13-14 | 2 days | Schwarzer FredCEO AND PRESIDENT | SSale | −8.95K | $10.02 | −$89.6K | −4.0%216.7K after | 2 lots |
| Mar 15, 2024 (view filing) | Mar 13-14 | 2 days | Keyt BruceCHIEF SCIENTIFIC OFFICER | SSale | −3.94K | $10.02 | −$39.5K | −2.2%171.9K after | 2 lots |
| Mar 15, 2024 (view filing) | Mar 13-14 | 2 days | Decker Lisa LynnCHIEF BUSINESS OFFICER | SSale | −3.38K | $10.02 | −$33.8K | −5.2%61.0K after | 2 lots |
| Dec 15, 2023 (view filing)5:32 PM ET | Dec 13-15 | 2 days | Baker Julian and 5 othersDirector, 10% Owner | PPurchase | +532.7K | $6.44 | +$3.43M | +18.6%3.39M after | 12 lots |
| Dec 15, 2023 (view filing) | Dec 13 | 2 days | Schwarzer FredCEO and President | SSale | −17.6K | $5.78 | −$101.6K | −14.6%102.8K after | |
| Dec 15, 2023 (view filing) | Dec 13 | 2 days | Keyt BruceChief Scientific Officer | SSale | −7.57K | $5.78 | −$43.8K | −5.5%129.6K after | |
| Dec 15, 2023 (view filing) | Dec 13 | 2 days | Decker Lisa LynnChief Business Officer | SSale | −4.37K | $5.78 | −$25.3K | −10.9%35.6K after | |
| Dec 1, 2023 (view filing) | Nov 29 | 2 days | Takimoto Chris HChief Medical Officer | SSale | −1.18K | $6.21 | −$7.33K | −2.2%53.6K after | |
| Dec 1, 2023 (view filing) | Nov 29 | 2 days | Gauthier GeorgeChief Commercial Officer | SSale | −1.18K | $6.21 | −$7.33K | −2.9%39.6K after | |
| Dec 1, 2023 (view filing) | Nov 29 | 2 days | Decker Lisa LynnChief Business Officer | SSale11/29/2023 | −1.18K | $6.21 | −$7.33K | −2.9%40.0K after | |
| Nov 29, 2023 (view filing) | Nov 27 | 2 days | Tahir MisbahChief Financial Officer | SSale | −1.34K | $5.06 | −$6.77K | −2.6%49.6K after | |
| Nov 29, 2023 (view filing) | Nov 27 | 2 days | Schwarzer FredCEO and President | SSale | −1.34K | $5.06 | −$6.77K | −1.1%120.4K after | |
| Nov 29, 2023 (view filing) | Nov 27 | 2 days | Keyt BruceChief Scientific Officer | SSale | −933 | $5.06 | −$4.72K | −0.7%137.1K after | |
| Oct 3, 2023 (view filing) | Oct 2 | 1 day | Gauthier GeorgeChief Commercial Officer | SSale | −935 | $7.95 | −$7.43K | −2.3%39.1K after |