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 |
|---|---|---|---|---|---|---|---|---|---|
| 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 | Weber StevenPRINCIPAL ACCOUNTING OFFICER | SSale | −539 | $7.48 | −$4.03K | −1.7%31.7K 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 | |
| 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 | |
| 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 | 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 | Weber StevenPRINCIPAL ACCOUNTING OFFICER | SSale | −1.70K | $1.23 | −$2.09K | −5.6%28.9K 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 | |
| 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 | |
| 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 | 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 | Weber StevenPRINCIPAL ACCOUNTING OFFICER | SSale | −486 | $1.20 | −$583.2 | −1.8%26.5K 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 | |
| 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 | Tahir MisbahCHIEF FINANCIAL OFFICER | SSale | −8.74K | $1.27 | −$11.1K | −4.9%170.1K after |