Date
Insider
Company
Owned Shares
Shares Traded
Price
Net Total
SELL
23 May 2023Gauthier George
Chief Commercial Officer, Officer
IGM Biosciences, Inc.
(IGMS)
40,968-2%
1,259
$12.31
$15,496.90
SELL
23 May 2023Decker Lisa Lynn
Chief Business Officer, Officer
IGM Biosciences, Inc.
(IGMS)
41,196-2%
1,259
$12.31
$15,496.90
SELL
23 May 2023Schwarzer Fred
CEO and President, Director, Officer
IGM Biosciences, Inc.
(IGMS)
121,776-1%
1,259
$12.31
$15,496.90
SELL
23 May 2023Keyt Bruce
Chief Scientific Officer, Officer
IGM Biosciences, Inc.
(IGMS)
138,070-0%
982
$12.31
$12,087.55
SELL
23 May 2023Takimoto Chris H
Chief Medical Officer, Officer
IGM Biosciences, Inc.
(IGMS)
54,757-2%
1,259
$12.31
$15,496.90
SELL
23 May 2023Tahir Misbah
Chief Financial Officer, Officer
IGM Biosciences, Inc.
(IGMS)
50,726-2%
1,259
$12.31
$15,496.90
SELL
4 Apr 2023Gauthier George
Chief Commercial Officer, Officer
IGM Biosciences, Inc.
(IGMS)
33,878-2%
935
$12.60
$11,781.00
SELL
14 Mar 2023Decker Lisa Lynn
Chief Business Officer, Officer
IGM Biosciences, Inc.
(IGMS)
16,732-5%
1,061
$18.73
$19,874.65
SELL
14 Mar 2023Keyt Bruce
Chief Scientific Officer, Officer
IGM Biosciences, Inc.
(IGMS)
90,704-1%
1,293
$18.73
$24,220.48
SELL
14 Mar 2023Gauthier George
Chief Commercial Officer, Officer
IGM Biosciences, Inc.
(IGMS)
18,563-5%
1,061
$18.73
$19,874.65
SELL
14 Mar 2023Takimoto Chris H
Chief Medical Officer, Officer
IGM Biosciences, Inc.
(IGMS)
28,789-5%
1,768
$18.73
$33,118.18
SELL
14 Mar 2023Tahir Misbah
Chief Financial Officer, Officer
IGM Biosciences, Inc.
(IGMS)
25,322-6%
1,768
$18.73
$33,118.18
SELL
16 Dec 2022Gauthier George
Chief Commercial Officer, Officer
IGM Biosciences, Inc.
(IGMS)
21,178-17%
4,354
$18.98
$82,653.55
SELL
16 Dec 2022Decker Lisa Lynn
Chief Business Officer, Officer
IGM Biosciences, Inc.
(IGMS)
18,679-11%
2,484
$18.98
$47,154.33
SELL
16 Dec 2022Tahir Misbah
Chief Financial Officer, Officer
IGM Biosciences, Inc.
(IGMS)
27,090-18%
6,084
$19.62
$119,359.11
SELL
16 Dec 2022Schwarzer Fred
CEO and President, Director, Officer
IGM Biosciences, Inc.
(IGMS)
24,774-33%
12,369
$18.98
$234,804.78
SELL
16 Dec 2022Keyt Bruce
Chief Scientific Officer, Officer
IGM Biosciences, Inc.
(IGMS)
60,158-8%
5,371
$18.98
$101,959.63
SELL
16 Dec 2022Takimoto Chris H
Chief Medical Officer, Officer
IGM Biosciences, Inc.
(IGMS)
32,495-14%
5,430
$18.98
$103,079.61
BUY
8 Nov 2022BEHRENS M KATHLEEN
Director
IGM Biosciences, Inc.
(IGMS)
218,200+37%
60,000
$17.14
$1,028,550.00
SELL
4 Oct 2022Keyt Bruce
Chief Scientific Officer, Officer
IGM Biosciences, Inc.
(IGMS)
39,489-38%
25,000
$22.84
$570,980.00
BUY
29 Sep 2022LOBERG MICHAEL D
Director
IGM Biosciences, Inc.
(IGMS)
35,305+19%
5,821
$19.62
$114,212.68
BUY
27 Sep 2022LOBERG MICHAEL D
Director
IGM Biosciences, Inc.
(IGMS)
29,484+29%
6,679
$20.89
$139,539.48
SELL
6 Sep 2022Keyt Bruce
Chief Scientific Officer, Officer
IGM Biosciences, Inc.
(IGMS)
42,224-37%
25,000
$19.34
$483,540.50
SELL
18 Aug 2022Keyt Bruce
Chief Scientific Officer, Officer
IGM Biosciences, Inc.
(IGMS)
39,489-38%
25,000
$22.17
$554,347.40
SELL
26 May 2022Tahir Misbah
Chief Financial Officer, Officer
IGM Biosciences, Inc.
(IGMS)
33,698-2%
950
$17.10
$16,247.47
SELL
24 May 2022Decker Lisa Lynn
Chief Business Officer, Officer
IGM Biosciences, Inc.
(IGMS)
21,535-5%
1,362
$17.10
$23,293.33
SELL
24 May 2022Schwarzer Fred
CEO and President, Director, Officer
IGM Biosciences, Inc.
(IGMS)
33,987-3%
1,362
$17.10
$23,293.74
SELL
24 May 2022Gauthier George
Chief Commercial Officer, Officer
IGM Biosciences, Inc.
(IGMS)
25,236-5%
1,340
$17.10
$22,916.95
SELL
24 May 2022Keyt Bruce
Chief Scientific Officer, Officer
IGM Biosciences, Inc.
(IGMS)
39,489-2%
939
$17.10
$16,058.31
SELL
24 May 2022Takimoto Chris H
Chief Medical Officer, Officer
IGM Biosciences, Inc.
(IGMS)
36,864-2%
938
$17.10
$16,043.46
BUY
20 May 2022Topsoe Jakob Haldor
Director, 10% Owner
IGM Biosciences, Inc.
(IGMS)
73,462+2%
1,481
$16.00
$23,696.00
BUY
12 May 2022Topsoe Christina Teng
Director, 10% Owner
IGM Biosciences, Inc.
(IGMS)
6,800+100%
6,800
$14.68
$99,841.41
BUY
12 May 2022Topsoe Jakob Haldor
Director, 10% Owner
IGM Biosciences, Inc.
(IGMS)
71,981+28%
16,104
$14.51
$233,673.73
SELL
6 Apr 2022Keyt Bruce
Chief Scientific Officer, Officer
IGM Biosciences, Inc.
(IGMS)
40,015-5%
2,500
$25.00
$62,500.00
BUY
31 Mar 2022BEHRENS M KATHLEEN
Director
IGM Biosciences, Inc.
(IGMS)
158,200+62%
60,869
$23.00
$1,399,987.00
BUY
31 Mar 2022LOBERG MICHAEL D
Director
IGM Biosciences, Inc.
(IGMS)
21,739+100%
21,739
$23.00
$499,997.00
SELL
30 Mar 2022Keyt Bruce
Chief Scientific Officer, Officer
IGM Biosciences, Inc.
(IGMS)
40,015-15%
7,500
$28.50
$213,725.25
SELL
1 Nov 2021Keyt Bruce
Chief Scientific Officer, Officer
IGM Biosciences, Inc.
(IGMS)
3,057-30%
1,326
$51.37
$68,116.75
SELL
1 Oct 2021Keyt Bruce
Chief Scientific Officer, Officer
IGM Biosciences, Inc.
(IGMS)
3,057-28%
1,242
$64.10
$79,617.04
SELL
1 Sep 2021Keyt Bruce
Chief Scientific Officer, Officer
IGM Biosciences, Inc.
(IGMS)
3,057-28%
1,244
$70.69
$87,932.26
SELL
2 Aug 2021Keyt Bruce
Chief Scientific Officer, Officer
IGM Biosciences, Inc.
(IGMS)
3,057-28%
1,242
$67.00
$83,214.00
SELL
1 Jul 2021Chen Daniel ShinYu
Chief Medical Officer, Officer
IGM Biosciences, Inc.
(IGMS)
116,518-0%
943
$82.75
$78,033.25
SELL
1 Jul 2021Keyt Bruce
Chief Scientific Officer, Officer
IGM Biosciences, Inc.
(IGMS)
3,057-28%
1,247
$82.50
$102,877.50
SELL
1 Jun 2021Chen Daniel ShinYu
Chief Medical Officer, Officer
IGM Biosciences, Inc.
(IGMS)
116,518-0%
941
$79.15
$74,480.15
SELL
1 Jun 2021Keyt Bruce
Chief Scientific Officer, Officer
IGM Biosciences, Inc.
(IGMS)
3,057-28%
1,245
$79.15
$98,541.75
SELL
26 May 2021Chen Daniel ShinYu
Chief Medical Officer, Officer
IGM Biosciences, Inc.
(IGMS)
116,518-0%
444
$70.00
$31,080.00
SELL
5 May 2021Chen Daniel ShinYu
Chief Medical Officer, Officer
IGM Biosciences, Inc.
(IGMS)
116,518-0%
469
$62.32
$29,226.02
SELL
3 May 2021Keyt Bruce
Chief Scientific Officer, Officer
IGM Biosciences, Inc.
(IGMS)
2,769-30%
1,243
$62.50
$77,687.50
SELL
5 Apr 2021Chen Daniel ShinYu
Chief Medical Officer, Officer
IGM Biosciences, Inc.
(IGMS)
116,518-1%
1,222
$82.00
$100,204.00
SELL
5 Apr 2021Keyt Bruce
Chief Scientific Officer, Officer
IGM Biosciences, Inc.
(IGMS)
2,769-31%
1,254
$82.00
$102,828.00
SELL
1 Mar 2021Chen Daniel ShinYu
Chief Medical Officer, Officer
IGM Biosciences, Inc.
(IGMS)
116,518-1%
1,224
$90.25
$110,466.00
SELL
1 Mar 2021Keyt Bruce
Chief Scientific Officer, Officer
IGM Biosciences, Inc.
(IGMS)
2,769-36%
1,619
$90.25
$146,114.75
SELL
2 Feb 2021Chen Daniel ShinYu
Chief Medical Officer, Officer
IGM Biosciences, Inc.
(IGMS)
116,473-1%
1,226
$96.00
$117,696.00
SELL
2 Feb 2021Keyt Bruce
Chief Scientific Officer, Officer
IGM Biosciences, Inc.
(IGMS)
2,769-36%
1,619
$96.00
$155,424.00
SELL
4 Jan 2021Chen Daniel ShinYu
Chief Medical Officer, Officer
IGM Biosciences, Inc.
(IGMS)
116,473-0%
1,102
$79.25
$87,333.50
SELL
4 Jan 2021Keyt Bruce
Chief Scientific Officer, Officer
IGM Biosciences, Inc.
(IGMS)
2,769-46%
2,386
$82.56
$196,998.81
SELL
16 Dec 2020Keyt Bruce
Chief Scientific Officer, Officer
IGM Biosciences, Inc.
(IGMS)
2,769-36%
1,618
$86.10
$139,309.80
BUY
11 Dec 2020Haldor Topsoe Holding A/S
10% Owner
IGM Biosciences, Inc.
(IGMS)
10,400,564+1%
111,111
$90.00
$9,999,990.00
BUY
11 Dec 2020BEHRENS M KATHLEEN
Director
IGM Biosciences, Inc.
(IGMS)
22,222+200%
44,444
$90.00
$3,999,960.00
BUY
11 Dec 2020Topsoe Christina Teng
Director, 10% Owner
IGM Biosciences, Inc.
(IGMS)
10,400,564+1%
111,111
$90.00
$9,999,990.00
BUY
11 Dec 2020Topsoe Jakob Haldor
Director, 10% Owner
IGM Biosciences, Inc.
(IGMS)
10,400,564+1%
111,111
$90.00
$9,999,990.00
SELL
7 Dec 2020Chen Daniel ShinYu
Chief Medical Officer, Officer
IGM Biosciences, Inc.
(IGMS)
116,473-1%
1,219
$91.00
$110,929.00
SELL
1 Dec 2020Chen Daniel ShinYu
Chief Medical Officer, Officer
IGM Biosciences, Inc.
(IGMS)
116,473-0%
608
$63.15
$38,398.00
SELL
2 Nov 2020Chen Daniel ShinYu
Chief Medical Officer, Officer
IGM Biosciences, Inc.
(IGMS)
116,473-0%
605
$50.00
$30,250.00
SELL
1 Oct 2020Chen Daniel ShinYu
Chief Medical Officer, Officer
IGM Biosciences, Inc.
(IGMS)
116,518-1%
1,830
$73.50
$134,505.00
SELL
1 Oct 2020Keyt Bruce
Chief Scientific Officer, Officer
IGM Biosciences, Inc.
(IGMS)
1,896-34%
1,000
$73.59
$73,590.00
SELL
17 Sep 2020Chen Daniel ShinYu
Chief Medical Officer, Officer
IGM Biosciences, Inc.
(IGMS)
116,518-0%
609
$77.91
$47,447.19
BUY
10 Sep 2020BEHRENS M KATHLEEN
Director
IGM Biosciences, Inc.
(IGMS)
64,192+87%
30,000
$60.78
$1,823,407.80
SELL
10 Sep 2020Keyt Bruce
Chief Scientific Officer, Officer
IGM Biosciences, Inc.
(IGMS)
2,896-25%
1,000
$60.00
$60,000.00
SELL
8 Sep 2020Chen Daniel ShinYu
Chief Medical Officer, Officer
IGM Biosciences, Inc.
(IGMS)
116,518-0%
602
$50.20
$30,220.40
BUY
4 Sep 2020Redmile Group, LLC
Director, 10% Owner
IGM Biosciences, Inc.
(IGMS)
3,417,161+4%
144,806
$50.52
$7,316,025.00
BUY
1 Sep 2020Redmile Group, LLC
Director, 10% Owner
IGM Biosciences, Inc.
(IGMS)
3,281,005+4%
136,649
$47.21
$6,450,802.00
SELL
27 Aug 2020Chen Daniel ShinYu
Chief Medical Officer, Officer
IGM Biosciences, Inc.
(IGMS)
116,518-0%
605
$45.13
$27,301.23
BUY
9 Dec 2019BEHRENS M KATHLEEN
Director
IGM Biosciences, Inc.
(IGMS)
5,497+137%
20,000
$24.87
$497,316.25
BUY
24 Sep 2019Topsoe Jakob Haldor
Director, 10% Owner
IGM Biosciences, Inc.
(IGMS)
54,415+7%
4,000
$20.50
$81,994.00
BUY
20 Sep 2019BAKER BROS. ADVISORS LP
Director, 10% Owner
IGM Biosciences, Inc.
(IGMS)
260,796+109%
3,144,000
$16.00
$50,304,000.00
BUY
19 Sep 2019Topsoe Jakob Haldor
Director, 10% Owner
IGM Biosciences, Inc.
(IGMS)
50,415+39%
14,340
$22.01
$315,610.50
BUY
18 Sep 2019Haldor Topsoe Holding A/S
10% Owner
IGM Biosciences, Inc.
(IGMS)
1,250,000+100%
1,250,000
$16.00
$20,000,000.00
BUY
18 Sep 2019BEHRENS M KATHLEEN
Director
IGM Biosciences, Inc.
(IGMS)
62,500+100%
62,500
$16.00
$1,000,000.00
BUY
18 Sep 2019Topsoe Christina Teng
Director, 10% Owner
IGM Biosciences, Inc.
(IGMS)
34,375+102%
1,284,375
$16.00
$20,550,000.00
BUY
18 Sep 2019Topsoe Christina Teng
Director, 10% Owner
IGM Biosciences, Inc.
(IGMS)
34,375+102%
1,284,375
$16.00
$20,550,000.00
BUY
18 Sep 2019Topsoe Jakob Haldor
Director, 10% Owner
IGM Biosciences, Inc.
(IGMS)
34,375+102%
1,285,475
$16.00
$20,570,882.00