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CIK 0001496323

IGMS IGM Biosciences, Inc.

Insider trading from SEC Form 4. Last filing Aug 18, 2025.

Last 90 days

Net insider value
$0
no open-market trades
Buys
0
$0 by 0 insiders
Sells
0
$0 by 0 insiders
Insiders on file
14
with a Form 4 at this company

Signals

Open-market buys and sells at IGM Biosciences, Inc., scored.

ScoreInsiderValueHoldingsPrice contextFiled
30WeakLisa Lynn Decker
CHIEF BUSINESS OFFICER
sell
$5,612
4,409 shares
-6%-
40ModerateMary Beth Harler
Chief Executive Officer
sell
$18k
14,501 shares
-4%-
37WeakMisbah Tahir
CHIEF FINANCIAL OFFICER
sell
$11k
8,741 shares
-5%-
30WeakLisa Lynn Decker
CHIEF BUSINESS OFFICER
sell
$1,140
951 shares
-1%-
40ModerateMary Beth Harler
Chief Executive Officer
sell
$1,825
1,522 shares
-0%-
37WeakMisbah Tahir
CHIEF FINANCIAL OFFICER
sell
$1,825
1,522 shares
-1%-
30WeakSteven Weber
PRINCIPAL ACCOUNTING OFFICER
sell
$583
486 shares
-2%-
15WeakSteven Weber
PRINCIPAL ACCOUNTING OFFICER
sell
$2,090
1,865 shares
-6%-
30WeakLisa Lynn Decker
CHIEF BUSINESS OFFICER
sell
$5,550
4,512 shares
-6%-
40ModerateMary Beth Harler
Chief Executive Officer
sell
$9,015
7,329 shares
-2%-
37WeakMisbah Tahir
CHIEF FINANCIAL OFFICER
sell
$9,015
7,329 shares
-4%-
30WeakSteven Weber
PRINCIPAL ACCOUNTING OFFICER
sell
$2,092
1,701 shares
-6%-
15WeakSteven Weber
PRINCIPAL ACCOUNTING OFFICER
sell
$1,907
1,122 shares
-4%-
30WeakLisa Lynn Decker
CHIEF BUSINESS OFFICER
sell
$7,951
1,063 shares
-1%-
40ModerateMary Beth Harler
Chief Executive Officer
sell
$13k
1,708 shares
-0%-
37WeakMisbah Tahir
CHIEF FINANCIAL OFFICER
sell
$13k
1,708 shares
-1%-
30WeakSteven Weber
PRINCIPAL ACCOUNTING OFFICER
sell
$4,032
539 shares
-2%-

Transactions

The last 68 rows filed, every code.

DateInsiderTransactionSharesPriceValueHoldings afterFiled
Aug 14, 2025Baker Bros. Advisors LP
other
UTender of shares
Common Stockindirect: See Footnotes
-357,048--0Aug 18, 2025
Aug 14, 2025Baker Bros. Advisors LP
other
UTender of shares
Common Stockindirect: See Footnotes
-3,763,362--0Aug 18, 2025
Aug 14, 2025Baker Bros. Advisors LP
other
UTender of shares
Non-Voting Common Stockderivativeindirect: See Footnotes
-834,707$0.00$00Aug 18, 2025
Aug 14, 2025Baker Bros. Advisors LP
other
UTender of shares
Non-Voting Common Stockderivativeindirect: See Footnotes
-9,886,217$0.00$00Aug 18, 2025
Aug 14, 2025Redmile Group, LLC
director, owner
DDisposition to issuer
Common Stockindirect: See Footnotes
-2,964,843--0Aug 15, 2025
Aug 14, 2025Redmile Group, LLC
director, owner
DDisposition to issuer
Non-Voting Common Stockderivativeindirect: See Footnotes
-7,199,325--0Aug 15, 2025
Aug 14, 2025Redmile Group, LLC
director, owner
DDisposition to issuer
Pre-Funded Warrants to Purchase Common Stockderivativeindirect: See Footnotes
-667,666--0Aug 15, 2025
Aug 14, 2025Christina Teng Topsoe
director, owner
DDisposition to issuer
Common Stock
-54,235--0Aug 14, 2025
Aug 14, 2025Topsoe Holding A/S
owner
DDisposition to issuer
Common Stock
-10,400,564--0Aug 14, 2025
Aug 14, 2025Jakob Haldor Topsoe
director, owner
DDisposition to issuer
Common Stock
-91,712--0Aug 14, 2025
Aug 14, 2025Elizabeth H.Z. Thompson
director
DDisposition to issuer
Common Stock
-7,196--0Aug 14, 2025
Aug 14, 2025William Strohl
director
DDisposition to issuer
Common Stock
-125,000--0Aug 14, 2025
Aug 14, 2025Michael Stewart Lee
director
DDisposition to issuer
Common Stock
-12,712--0Aug 14, 2025
Aug 14, 2025Julie Hambleton
director
DDisposition to issuer
Common Stock
-2,000--0Aug 14, 2025
Aug 14, 2025M Kathleen Behrens
director
DDisposition to issuer
Common Stock
-22,222--0Aug 14, 2025
Aug 14, 2025Mary Beth Harler
Chief Executive Officer
DDisposition to issuer
Common Stock
-323,680--0Aug 14, 2025
Aug 14, 2025Topsoe Holding A/S
owner
DDisposition to issuer
Non-Voting Common Stockderivative
-5,044,295$0.00$00Aug 14, 2025
Aug 14, 2025Christina Teng Topsoe
director, owner
DDisposition to issuer
Common Stockindirect: See footnote
-10,400,564--0Aug 14, 2025
Aug 14, 2025M Kathleen Behrens
director
DDisposition to issuer
Common Stockindirect: See footnote
-330,700--0Aug 14, 2025
Aug 14, 2025Jakob Haldor Topsoe
director, owner
DDisposition to issuer
Common Stockindirect: See footnote
-10,400,564--0Aug 14, 2025
Aug 14, 2025Jakob Haldor Topsoe
director, owner
DDisposition to issuer
Non-Voting Common Stockderivativeindirect: See footnote
-5,044,295$0.00$00Aug 14, 2025
Aug 14, 2025M Kathleen Behrens
director
DDisposition to issuer
Common Stockindirect: See footnote
-29,807--0Aug 14, 2025
Aug 14, 2025Christina Teng Topsoe
director, owner
DDisposition to issuer
Common Stockindirect: See footnote
-9,800--0Aug 14, 2025
Aug 14, 2025Christina Teng Topsoe
director, owner
DDisposition to issuer
Non-Voting Common Stockderivativeindirect: See footnote
-5,044,295$0.00$00Aug 14, 2025
Aug 14, 2025M Kathleen Behrens
director
DDisposition to issuer
Common Stockindirect: See footnote
-29,806--0Aug 14, 2025
Jul 23, 2025Lisa Lynn Decker
CHIEF BUSINESS OFFICER
SOpen-market sale
Common Stock
-4,409$1.27$5,61268,169Jul 25, 2025
Jul 23, 2025Mary Beth Harler
Chief Executive Officer
SOpen-market sale
Common Stock
-14,501$1.27$18k323,680Jul 25, 2025
Jul 23, 2025Misbah Tahir
CHIEF FINANCIAL OFFICER
SOpen-market sale
Common Stock
-8,741$1.27$11k170,061Jul 25, 2025
Jun 30, 2025Christina Teng Topsoe
director, owner
AGrant or award
Common Stock
+1,284$0.00$054,235Jul 2, 2025
Jun 30, 2025Jakob Haldor Topsoe
director, owner
AGrant or award
Common Stock
+828$0.00$091,712Jul 2, 2025
Jun 30, 2025Elizabeth H.Z. Thompson
director
AGrant or award
Common Stock
+694$0.00$07,196Jul 2, 2025
Jun 30, 2025Michael Stewart Lee
director
AGrant or award
Common Stock
+828$0.00$012,712Jul 2, 2025
Jun 30, 2025M Kathleen Behrens
director
AGrant or award
Common Stock
+1,471$0.00$022,222Jul 2, 2025
Jun 30, 2025Redmile Group, LLC
director, owner
AGrant or award
Common Stockindirect: See Footnotes
+828$0.00$02,964,843Jul 2, 2025
Jun 30, 2025Baker Bros. Advisors LP
director, owner
AGrant or award
Common Stockindirect: See Footnotes
+953$0.00$0357,048Jul 2, 2025
Jun 30, 2025Baker Bros. Advisors LP
director, owner
AGrant or award
Common Stockindirect: See Footnotes
+953$0.00$03,763,362Jul 2, 2025
Jun 16, 2025Lisa Lynn Decker
CHIEF BUSINESS OFFICER
SOpen-market sale
Common Stock
-951$1.20$1,14072,578Jun 20, 2025
Jun 16, 2025Mary Beth Harler
Chief Executive Officer
SOpen-market sale
Common Stock
-1,522$1.20$1,825338,181Jun 20, 2025
Jun 16, 2025Misbah Tahir
CHIEF FINANCIAL OFFICER
SOpen-market sale
Common Stock
-1,522$1.20$1,825178,802Jun 20, 2025
Jun 16, 2025Steven Weber
PRINCIPAL ACCOUNTING OFFICER
SOpen-market sale
Common Stock
-486$1.20$58326,530Jun 20, 2025
May 14, 2025Steven Weber
PRINCIPAL ACCOUNTING OFFICER
SOpen-market sale
Common Stock
-1,865$1.12$2,09027,016May 16, 2025
Mar 31, 2025Baker Bros. Advisors LP
director, owner
AGrant or award
Common Stockindirect: See Footnotes
+953$0.00$0356,095Apr 2, 2025
Mar 31, 2025M Kathleen Behrens
director
AGrant or award
Common Stock
+1,471$0.00$020,751Apr 2, 2025
Mar 31, 2025Redmile Group, LLC
director, owner
AGrant or award
Common Stockindirect: See Footnotes
+828$0.00$02,964,015Apr 2, 2025
Mar 31, 2025Michael Stewart Lee
director
AGrant or award
Common Stock
+828$0.00$011,884Apr 2, 2025
Mar 31, 2025Elizabeth H.Z. Thompson
director
AGrant or award
Common Stock
+694$0.00$06,502Apr 2, 2025
Mar 31, 2025Christina Teng Topsoe
director, owner
AGrant or award
Common Stock
+1,284$0.00$052,951Apr 2, 2025
Mar 31, 2025Jakob Haldor Topsoe
director, owner
AGrant or award
Common Stock
+828$0.00$090,884Apr 2, 2025
Mar 31, 2025Baker Bros. Advisors LP
director, owner
AGrant or award
Common Stockindirect: See Footnotes
+953$0.00$03,762,409Apr 2, 2025
Mar 14, 2025Steven Weber
PRINCIPAL ACCOUNTING OFFICER
SOpen-market sale
Common Stock
-1,701$1.23$2,09228,881Mar 18, 2025
Mar 14, 2025Mary Beth Harler
Chief Executive Officer
SOpen-market sale
Common Stock
-7,329$1.23$9,015339,703Mar 18, 2025
Mar 14, 2025Lisa Lynn Decker
CHIEF BUSINESS OFFICER
SOpen-market sale
Common Stock
-4,512$1.23$5,55073,529Mar 18, 2025
Mar 14, 2025Misbah Tahir
CHIEF FINANCIAL OFFICER
SOpen-market sale
Common Stock
-7,329$1.23$9,015180,324Mar 18, 2025
Jan 15, 2025Steven Weber
PRINCIPAL ACCOUNTING OFFICER
SOpen-market sale
Common Stock
-1,122$1.70$1,90730,582Jan 17, 2025
Dec 31, 2024Elizabeth H.Z. Thompson
director
AGrant or award
Common Stock
+1,452$0.00$05,808Jan 3, 2025
Dec 31, 2024Jakob Haldor Topsoe
director, owner
AGrant or award
Common Stock
+1,734$0.00$090,056Jan 3, 2025
Dec 31, 2024Christina Teng Topsoe
director, owner
AGrant or award
Common Stock
+2,687$0.00$051,667Jan 3, 2025
Dec 31, 2024M Kathleen Behrens
director
AGrant or award
Common Stock
+3,078$0.00$019,280Jan 3, 2025
Dec 31, 2024Baker Bros. Advisors LP
director, owner
AGrant or award
Common Stockindirect: See Footnotes
+1,994$0.00$0355,142Jan 3, 2025
Dec 31, 2024Baker Bros. Advisors LP
director, owner
AGrant or award
Common Stockindirect: See Footnotes
+1,994$0.00$03,761,456Jan 3, 2025
Dec 31, 2024Redmile Group, LLC
director, owner
AGrant or award
Common Stockindirect: See Footnotes
+1,734$0.00$02,963,187Jan 2, 2025
Dec 31, 2024Michael Stewart Lee
director
AGrant or award
Common Stock
+1,734$0.00$011,056Jan 2, 2025
Dec 16, 2024Lisa Lynn Decker
CHIEF BUSINESS OFFICER
SOpen-market sale
Common Stock
-1,063$7.48$7,95178,041Dec 18, 2024
Dec 16, 2024Mary Beth Harler
Chief Executive Officer
SOpen-market sale
Common Stock
-1,708$7.48$13k347,032Dec 18, 2024
Dec 16, 2024Misbah Tahir
CHIEF FINANCIAL OFFICER
SOpen-market sale
Common Stock
-1,708$7.48$13k187,653Dec 18, 2024
Dec 16, 2024Steven Weber
PRINCIPAL ACCOUNTING OFFICER
SOpen-market sale
Common Stock
-539$7.48$4,03231,704Dec 18, 2024
Nov 18, 2024Misbah Tahir
CHIEF FINANCIAL OFFICER
AGrant or award
Common Stock
+66,667$0.00$0189,361Nov 20, 2024
Nov 7, 2024Steven Weber
PRINCIPAL ACCOUNTING OFFICER
AGrant or award
Common Stock
+6,700$0.00$032,243Nov 12, 2024

Insiders

Everyone who has filed a Form 4 here.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

IGMS insider trading: IGM Biosciences, Inc. | InsiderTell