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$SEER

$1.87 +$0.01 (0.54%)

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Insider Transactions

Insider Transaction Summary

Pascal Minne

5,840,911 shares

Net: 0 B/S: -

Public Equities, L.P. Invus

5,588,366 shares

Net: 0 B/S: -

Yair Chaim Schindel

4,947,513 shares

Net: 0 B/S: -

Growth Fund Limited Partnership aMoon

4,112,235 shares

Net: 0 B/S: -

Omid Farokhzad

3,349,064 shares

Net: +2,043,004 B/S: 23.15

ROBERT LANGER

804,525 shares

Net: +20,500 B/S: ∞

David R. Horn

501,262 shares

Net: +57,633 B/S: 3.7

OMEAD OSTADAN

378,238 shares

Net: 0 B/S: -

David Hallal

355,128 shares

Net: 0 B/S: -

Elona Kogan

273,142 shares

Net: 0 B/S: -

Mostafa Ronaghi

224,903 shares

Net: 0 B/S: -

TERRANCE MCGUIRE

215,070 shares

Net: +24,588 B/S: ∞

CATHY FRIEDMAN

173,574 shares

Net: 0 B/S: -

Elona Esq. Kogan

162,673 shares

Net: 0 B/S: -

Meeta Gulyani

107,543 shares

Net: +20,500 B/S: ∞

Scott D Thomas

95,532 shares

Net: 0 B/S: -

Rachel E. Haurwitz

87,615 shares

Net: 0 B/S: -

Nicolas H PHD Roelofs

74,996 shares

Net: +17,083 B/S: ∞

Dipchand Nishar

69,704 shares

Net: -9,753 B/S: 0.68

Isaac Ro

41,000 shares

Net: +41,000 B/S: ∞

Capital Ventures, LLC Maverick

37,383 shares

Net: 0 B/S: -

DAVID B SINGER

15,000 shares

Net: 0 B/S: -

LEE S III AINSLIE

15,000 shares

Net: 0 B/S: -

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
Pascal Minne	5,840,911	0	-
Public Equities, L.P. Invus	5,588,366	0	-
Yair Chaim Schindel	4,947,513	0	-
Growth Fund Limited Partnership aMoon	4,112,235	0	-
Omid Farokhzad	3,349,064	+2,043,004	23.15
ROBERT LANGER	804,525	+20,500	∞
David R. Horn	501,262	+57,633	3.7
OMEAD OSTADAN	378,238	0	-
David Hallal	355,128	0	-
Elona Kogan	273,142	0	-
Mostafa Ronaghi	224,903	0	-
TERRANCE MCGUIRE	215,070	+24,588	∞
CATHY FRIEDMAN	173,574	0	-
Elona Esq. Kogan	162,673	0	-
Meeta Gulyani	107,543	+20,500	∞
Scott D Thomas	95,532	0	-
Rachel E. Haurwitz	87,615	0	-
Nicolas H PHD Roelofs	74,996	+17,083	∞
Dipchand Nishar	69,704	-9,753	0.68
Isaac Ro	41,000	+41,000	∞
Capital Ventures, LLC Maverick	37,383	0	-
DAVID B SINGER	15,000	0	-
LEE S III AINSLIE	15,000	0	-

Individual Transactions

February 18, 2026

David R. Horn

Open Market Sale

Change: -7,743

Price: $1.99

Shares: 501,262

Value: -$15,446

Omid Farokhzad

Open Market Sale

Change: -24,385

Price: $1.99

Shares: 3,349,064

Value: -$48,645

Insider	Filing Date	Transaction	Shares	Change	Price	Value
David R. Horn	Feb 19	Open Market Sale (S) Market Sale	501,262	-7,743	$1.99	-$15,446
Omid Farokhzad	Feb 19	Open Market Sale (S) Market Sale	3,349,064	-24,385	$1.99	-$48,645

February 03, 2026

Omid Farokhzad

Grant/Award Acquisition

Change: +697,162

Price: $0.00

Shares: 3,373,449

Value: +$0

David R. Horn

Grant/Award Acquisition

Change: +79,000

Price: $0.00

Shares: 509,005

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Omid Farokhzad	Feb 05	Grant/Award Acquisition (A) Compensation/Award	3,373,449	+697,162	$0.00	+$0
David R. Horn	Feb 05	Grant/Award Acquisition (A) Compensation/Award	509,005	+79,000	$0.00	+$0

December 09, 2025

Omid Farokhzad

Derivative Conversion

Change: +1,438,057

Price: $0.00

Shares: 2,676,287

Value: +$0

TERRANCE MCGUIRE

Derivative Conversion

Change: +4,088

Price: $0.00

Shares: 215,070

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Omid Farokhzad	Dec 11	Derivative Conversion (C) Derivative Exercise	2,676,287	+1,438,057	$0.00	+$0
TERRANCE MCGUIRE	Dec 11	Derivative Conversion (C) Derivative Exercise	215,070	+4,088	$0.00	+$0

November 19, 2025

David R. Horn

Open Market Sale

Change: -6,797

Price: $1.97

Shares: 436,802

Value: -$13,399

Omid Farokhzad

Open Market Sale

Change: -33,838

Price: $1.97

Shares: 1,238,230

Value: -$66,708

Insider	Filing Date	Transaction	Shares	Change	Price	Value
David R. Horn	Nov 21	Open Market Sale (S) Market Sale	436,802	-6,797	$1.97	-$13,399
Omid Farokhzad	Nov 21	Open Market Sale (S) Market Sale	1,238,230	-33,838	$1.97	-$66,708

September 02, 2025

Isaac Ro

Grant/Award Acquisition

Change: +41,000

Price: $0.00

Shares: 41,000

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Isaac Ro	Sep 03	Grant/Award Acquisition (A) Compensation/Award	41,000	+41,000	$0.00	+$0

August 20, 2025

David R. Horn

Open Market Sale

Change: -6,827

Price: $2.04

Shares: 436,802

Value: -$13,955

Omid Farokhzad

Open Market Sale

Change: -33,992

Price: $2.04

Shares: 1,272,068

Value: -$69,483

Insider	Filing Date	Transaction	Shares	Change	Price	Value
David R. Horn	Aug 21	Open Market Sale (S) Market Sale	436,802	-6,827	$2.04	-$13,955
Omid Farokhzad	Aug 21	Open Market Sale (S) Market Sale	1,272,068	-33,992	$2.04	-$69,483

July 07, 2025

Meeta Gulyani

Grant/Award Acquisition

Change: +20,500

Price: $0.00

Shares: 107,543

Value: +$0

Dipchand Nishar

Grant/Award Acquisition

Change: +20,500

Price: $0.00

Shares: 69,704

Value: +$0

Nicolas H PHD Roelofs

Grant/Award Acquisition

Change: +17,083

Price: $0.00

Shares: 74,996

Value: +$0

ROBERT LANGER

Grant/Award Acquisition

Change: +20,500

Price: $0.00

Shares: 804,525

Value: +$0

TERRANCE MCGUIRE

Grant/Award Acquisition

Change: +20,500

Price: $0.00

Shares: 112,066

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Meeta Gulyani	Jul 09	Grant/Award Acquisition (A) Compensation/Award	107,543	+20,500	$0.00	+$0
Dipchand Nishar	Jul 09	Grant/Award Acquisition (A) Compensation/Award	69,704	+20,500	$0.00	+$0
Nicolas H PHD Roelofs	Jul 09	Grant/Award Acquisition (A) Compensation/Award	74,996	+17,083	$0.00	+$0
ROBERT LANGER	Jul 09	Grant/Award Acquisition (A) Compensation/Award	804,525	+20,500	$0.00	+$0
TERRANCE MCGUIRE	Jul 09	Grant/Award Acquisition (A) Compensation/Award	112,066	+20,500	$0.00	+$0

June 13, 2025

Dipchand Nishar

Open Market Sale

Change: -30,253

Price: $2.08

Shares: 49,204

Value: -$62,935

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Dipchand Nishar	Jun 16	Open Market Sale (S) Market Sale	49,204	-30,253	$2.08	-$62,935

May 20, 2025

David R. Horn

Open Market Sale

Change: -6,760

Price: $2.08

Shares: 443,629

Value: -$14,027

Omid Farokhzad

Open Market Sale

Change: -33,663

Price: $2.08

Shares: 1,306,060

Value: -$69,854

Insider	Filing Date	Transaction	Shares	Change	Price	Value
David R. Horn	May 22	Open Market Sale (S) Market Sale	443,629	-6,760	$2.08	-$14,027
Omid Farokhzad	May 22	Open Market Sale (S) Market Sale	1,306,060	-33,663	$2.08	-$69,854

February 18, 2025

David R. Horn

Tax Payment

Change: -26,572

Price: $2.30

Shares: 450,389

Value: -$61,115

Insider	Filing Date	Transaction	Shares	Change	Price	Value
David R. Horn	Feb 20	Tax Payment (F) Tax Payment	450,389	-26,572	$2.30	-$61,115