SEER

Seer, Inc.

Insider trading activity for Seer, Inc., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

-$38.1K

net selling

Bought(0 · 0 insiders): $0
Sold(2 · 2 insiders): $38.1K

Past 6 months

-$50.4K

net selling

Bought(0 · 0 insiders): $0
Sold(3 · 2 insiders): $50.4K

Past 12 months

-$194.6K

net selling

Bought(0 · 0 insiders): $0
Sold(7 · 3 insiders): $194.6K

Transaction history

The 48 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Aug 18	Horn David R.	President & CFO	SSELL	7,309	$2.03	$14.8K	-1.5%	Open the original filing on SEC.gov
Jul 28	Roelofs Nicolas H PHD	Director	AGRANT◆	25,000	—	—	—	Open the original filing on SEC.gov
Jul 28	Roelofs Nicolas H PHD	Director	AGRANT	16,500	—	—	+22.0%	Open the original filing on SEC.gov
Jul 28	Ro Isaac	Director	AGRANT◆	18,750	—	—	—	Open the original filing on SEC.gov
Jul 28	Ro Isaac	Director	AGRANT	12,375	—	—	+30.2%	Open the original filing on SEC.gov
Jul 28	Nishar Dipchand	Director	AGRANT◆	25,000	—	—	—	Open the original filing on SEC.gov
Jul 28	Nishar Dipchand	Director	AGRANT	16,500	—	—	+28.0%	Open the original filing on SEC.gov
Jul 28	McGuire Terrance	Director	AGRANT◆	25,000	—	—	—	Open the original filing on SEC.gov
Jul 28	McGuire Terrance	Director	AGRANT	16,500	—	—	+14.7%	Open the original filing on SEC.gov
Jul 28	Langer Robert	Director	AGRANT◆	25,000	—	—	—	Open the original filing on SEC.gov
Jul 28	Langer Robert	Director	AGRANT	16,500	—	—	+2.1%	Open the original filing on SEC.gov
Jul 28	Gulyani Meeta	Director	AGRANT◆	25,000	—	—	—	Open the original filing on SEC.gov
Jul 28	Gulyani Meeta	Director	AGRANT	16,500	—	—	+15.3%	Open the original filing on SEC.gov
Jul 8	Nishar Dipchand	Director	SSELL◷	10,660	$2.18	$23.3K	-15.3%	Open the original filing on SEC.gov
May 20	Horn David R.	President & CFO	SSELL	7,303	$1.69	$12.4K	-1.5%	Open the original filing on SEC.gov
May 8	Bazarko Anthony R.	Chief Commercial Officer	AGRANT◆	225,000	—	—	—	Open the original filing on SEC.gov
May 8	Bazarko Anthony R.	Chief Commercial Officer	AGRANT	75,000	—	—	—	Open the original filing on SEC.gov
Feb 18	Horn David R.	President & CFO	SSELL	7,743	$1.99	$15.4K	-1.5%	Open the original filing on SEC.gov
Feb 18	Farokhzad Omid	CEO and Chair	SSELL	24,385	$1.99	$48.6K	-0.7%	Open the original filing on SEC.gov
Feb 3	Horn David R.	President & CFO	AGRANT◆	119,000	—	—	—	Open the original filing on SEC.gov
Feb 3	Horn David R.	President & CFO	AGRANT	79,000	—	—	+18.4%	Open the original filing on SEC.gov
Feb 3	Farokhzad Omid	CEO and Chair	AGRANT◆	512,000	—	—	—	Open the original filing on SEC.gov
Feb 3	Farokhzad Omid	CEO and Chair	AGRANT	697,162	—	—	+26.1%	Open the original filing on SEC.gov
Dec 9, 2025	McGuire Terrance	Director	CCONV◆	4,088	—	—	—	Open the original filing on SEC.gov
Dec 9, 2025	McGuire Terrance	Director	CCONV	4,088	—	—	+1.9%	Open the original filing on SEC.gov
Dec 9, 2025	Farokhzad Omid	CEO and Chair	CCONV◆	2.1M	—	—	—	Open the original filing on SEC.gov
Dec 9, 2025	Farokhzad Omid	CEO and Chair	CCONV◆	1.4M	—	—	—	Open the original filing on SEC.gov
Dec 9, 2025	Farokhzad Omid	CEO and Chair	CCONV	2.1M	—	—	—	Open the original filing on SEC.gov
Dec 9, 2025	Farokhzad Omid	CEO and Chair	CCONV	1.4M	—	—	+116.1%	Open the original filing on SEC.gov
Nov 19, 2025	Horn David R.	President & CFO	SSELL	6,797	$1.97	$13.4K	-1.5%	Open the original filing on SEC.gov
Nov 19, 2025	Farokhzad Omid	CEO and Chair	SSELL	33,838	$1.97	$66.7K	-2.7%	Open the original filing on SEC.gov
Sep 2, 2025	Ro Isaac	Director	AGRANT◆	61,000	—	—	—	Open the original filing on SEC.gov
Sep 2, 2025	Ro Isaac	Director	AGRANT	41,000	—	—	—	Open the original filing on SEC.gov
Aug 20, 2025	Horn David R.	President & CFO	SSELL	6,827	$2.04	$14K	-1.5%	Open the original filing on SEC.gov
Aug 20, 2025	Farokhzad Omid	CEO and Chair	SSELL	33,992	$2.04	$69.5K	-2.6%	Open the original filing on SEC.gov
Jul 7, 2025	Roelofs Nicolas H PHD	Director	AGRANT◆	25,416	—	—	—	Open the original filing on SEC.gov
Jul 7, 2025	Roelofs Nicolas H PHD	Director	AGRANT	17,083	—	—	+29.5%	Open the original filing on SEC.gov
Jul 7, 2025	Nishar Dipchand	Director	AGRANT◆	30,500	—	—	—	Open the original filing on SEC.gov
Jul 7, 2025	Nishar Dipchand	Director	AGRANT	20,500	—	—	+41.7%	Open the original filing on SEC.gov
Jul 7, 2025	McGuire Terrance	Director	AGRANT◆	30,500	—	—	—	Open the original filing on SEC.gov
Jul 7, 2025	McGuire Terrance	Director	AGRANT	20,500	—	—	+22.4%	Open the original filing on SEC.gov
Jul 7, 2025	Langer Robert	Director	AGRANT◆	30,500	—	—	—	Open the original filing on SEC.gov
Jul 7, 2025	Langer Robert	Director	AGRANT	20,500	—	—	+2.6%	Open the original filing on SEC.gov
Jul 7, 2025	Gulyani Meeta	Director	AGRANT◆	30,500	—	—	—	Open the original filing on SEC.gov
Jul 7, 2025	Gulyani Meeta	Director	AGRANT	20,500	—	—	+23.5%	Open the original filing on SEC.gov
Jun 13, 2025	Nishar Dipchand	Director	SSELL◷	30,253	$2.08	$62.9K	-38.1%	Open the original filing on SEC.gov
May 20, 2025	Horn David R.	President & CFO	SSELL	6,760	$2.08	$14K	-1.5%	Open the original filing on SEC.gov
May 20, 2025	Farokhzad Omid	CEO and Chair	SSELL	33,663	$2.08	$69.9K	-2.5%	Open the original filing on SEC.gov

SSELL$14.8K

Horn David R. · President & CFOAug 18

7,309 sh @ $2.03 · -1.5% own

AGRANT◆—

Roelofs Nicolas H PHD · DirectorJul 28

25,000 sh

AGRANT—

Roelofs Nicolas H PHD · DirectorJul 28

16,500 sh · +22.0% own

AGRANT◆—

Ro Isaac · DirectorJul 28

18,750 sh

AGRANT—

Ro Isaac · DirectorJul 28

12,375 sh · +30.2% own

AGRANT◆—

Nishar Dipchand · DirectorJul 28

25,000 sh

AGRANT—

Nishar Dipchand · DirectorJul 28

16,500 sh · +28.0% own

AGRANT◆—

McGuire Terrance · DirectorJul 28

25,000 sh

AGRANT—

McGuire Terrance · DirectorJul 28

16,500 sh · +14.7% own

AGRANT◆—

Langer Robert · DirectorJul 28

25,000 sh

AGRANT—

Langer Robert · DirectorJul 28

16,500 sh · +2.1% own

AGRANT◆—

Gulyani Meeta · DirectorJul 28

25,000 sh

AGRANT—

Gulyani Meeta · DirectorJul 28

16,500 sh · +15.3% own

SSELL◷$23.3K

Nishar Dipchand · DirectorJul 8

10,660 sh @ $2.18 · -15.3% own

SSELL$12.4K

Horn David R. · President & CFOMay 20

7,303 sh @ $1.69 · -1.5% own

AGRANT◆—

Bazarko Anthony R. · Chief Commercial…May 8

225,000 sh

AGRANT—

Bazarko Anthony R. · Chief Commercial…May 8

75,000 sh

SSELL$15.4K

Horn David R. · President & CFOFeb 18

7,743 sh @ $1.99 · -1.5% own

SSELL$48.6K

Farokhzad Omid · CEO and ChairFeb 18

24,385 sh @ $1.99 · -0.7% own

AGRANT◆—

Horn David R. · President & CFOFeb 3

119,000 sh

AGRANT—

Horn David R. · President & CFOFeb 3

79,000 sh · +18.4% own

AGRANT◆—

Farokhzad Omid · CEO and ChairFeb 3

512,000 sh

AGRANT—

Farokhzad Omid · CEO and ChairFeb 3

697,162 sh · +26.1% own

CCONV◆—

McGuire Terrance · DirectorDec 9, 2025

4,088 sh

CCONV—

McGuire Terrance · DirectorDec 9, 2025

4,088 sh · +1.9% own

CCONV◆—

Farokhzad Omid · CEO and ChairDec 9, 2025

2.1M sh

CCONV◆—

Farokhzad Omid · CEO and ChairDec 9, 2025

1.4M sh

CCONV—

Farokhzad Omid · CEO and ChairDec 9, 2025

2.1M sh

CCONV—

Farokhzad Omid · CEO and ChairDec 9, 2025

1.4M sh · +116.1% own

SSELL$13.4K

Horn David R. · President & CFONov 19, 2025

6,797 sh @ $1.97 · -1.5% own

SSELL$66.7K

Farokhzad Omid · CEO and ChairNov 19, 2025

33,838 sh @ $1.97 · -2.7% own

AGRANT◆—

Ro Isaac · DirectorSep 2, 2025

61,000 sh

AGRANT—

Ro Isaac · DirectorSep 2, 2025

41,000 sh

SSELL$14K

Horn David R. · President & CFOAug 20, 2025

6,827 sh @ $2.04 · -1.5% own

SSELL$69.5K

Farokhzad Omid · CEO and ChairAug 20, 2025

33,992 sh @ $2.04 · -2.6% own

AGRANT◆—

Roelofs Nicolas H PHD · DirectorJul 7, 2025

25,416 sh

AGRANT—

Roelofs Nicolas H PHD · DirectorJul 7, 2025

17,083 sh · +29.5% own

AGRANT◆—

Nishar Dipchand · DirectorJul 7, 2025

30,500 sh

AGRANT—

Nishar Dipchand · DirectorJul 7, 2025

20,500 sh · +41.7% own

AGRANT◆—

McGuire Terrance · DirectorJul 7, 2025

30,500 sh

AGRANT—

McGuire Terrance · DirectorJul 7, 2025

20,500 sh · +22.4% own

AGRANT◆—

Langer Robert · DirectorJul 7, 2025

30,500 sh

AGRANT—

Langer Robert · DirectorJul 7, 2025

20,500 sh · +2.6% own

AGRANT◆—

Gulyani Meeta · DirectorJul 7, 2025

30,500 sh

AGRANT—

Gulyani Meeta · DirectorJul 7, 2025

20,500 sh · +23.5% own

SSELL◷$62.9K

Nishar Dipchand · DirectorJun 13, 2025

30,253 sh @ $2.08 · -38.1% own

SSELL$14K

Horn David R. · President & CFOMay 20, 2025

6,760 sh @ $2.08 · -1.5% own

SSELL$69.9K

Farokhzad Omid · CEO and ChairMay 20, 2025

33,663 sh @ $2.08 · -2.5% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

All 29 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.