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United States Office Equipment

Seer Inc (SEER)

Track

Over the last 90 days, Seer Inc. has seen net insider selling totaling $12,351.56, primarily from President & CFO David R. Horn. This follows a period of more significant selling by executives, including CEO and Chair Omid Farokhzad, and Director Dipchand Nishar. The stock has experienced a slight decline of 1.1% over the past 90 days.
Stock chart
Ticker: SEER Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Horn David R.
PRESIDENT & CFO
1 sale — total 12,352 USD
Sale 20 May 2026
Value US$1,785,069.40 | Price 281.04 | Shares 89,235
Sale 18 Feb 2026
Value US$365,412.70 | Price 405.24 | Shares 71,425
Sale 18 Feb 2026
Value US$48,645.64 | Price 1.99 | Shares 24,385
Sale 19 Nov 2025
Value US$13,399.61 | Price 1.97 | Shares 6,797
Sale 19 Nov 2025
Value US$66,708.23 | Price 1.97 | Shares 33,838
Sale 20 Aug 2025
Value US$13,955.07 | Price 2.04 | Shares 6,827
Sale 20 Aug 2025
Value US$69,483.05 | Price 2.04 | Shares 33,992
Planned sale 13 Jun 2025
Value US$62,935.32 | Price 2.08 | Shares 30,253
Proposed sale 13 Jun 2025
Value US$62,932.29 | Price 2.08 | Shares 30,253
Sale 20 May 2025
Value US$69,854.09 | Price 2.08 | Shares 33,663
Sale 20 May 2025
Value US$14,027.68 | Price 2.08 | Shares 6,760
Sale 4 Feb 2025
Value US$18,044.08 | Price 2.24 | Shares 8,068
Sale 4 Feb 2025
Value US$7,939.58 | Price 2.24 | Shares 3,550
Planned sale 14 Jun 2024
Value US$21,511.64 | Price 1.78 | Shares 12,109
Proposed sale 14 Jun 2024
Value US$21,917.29 | Price 1.81 | Shares 12,109
Sale 7 Mar 2024
Value US$107,421.28 | Price 2.03 | Shares 52,857
Sale 22 Feb 2024
Value US$20,024.23 | Price 1.58 | Shares 12,684
Sale 22 Feb 2024
Value US$20,024.23 | Price 1.58 | Shares 12,684
Sale 5 Feb 2024
Value US$6,014.54 | Price 1.67 | Shares 3,608
Planned sale 4 Dec 2023
Value US$13,869.31 | Price 1.70 | Shares 8,182
Buy 23 Aug 2023
Value US$97,968.00 | Price 2.45 | Shares 40,000
Planned sale 18 May 2023
Value US$5,224.02 | Price 3.56 | Shares 1,468
Planned sale 21 Feb 2023
Value US$24,603.22 | Price 4.13 | Shares 5,951
Sale 21 Feb 2023
Value US$57,210.41 | Price 4.13 | Shares 13,840
Sale 21 Feb 2023
Value US$24,605.60 | Price 4.13 | Shares 5,951
Sale 7 Feb 2023
Value US$39,128.25 | Price 4.67 | Shares 8,379
Sale 7 Feb 2023
Value US$16,860.85 | Price 5.40 | Shares 3,124
Sale 17 Jan 2023
Value US$24,573.12 | Price 5.12 | Shares 4,800
Sale 17 Jan 2023
Value US$13,320.42 | Price 5.12 | Shares 2,602
Planned sale 8 Dec 2022
Value US$124,069.77 | Price 6.57 | Shares 18,884
Planned sale 8 Jun 2022
Value US$72,923.44 | Price 8.91 | Shares 8,185
Sale 27 May 2022
Value US$35,794.46 | Price 8.06 | Shares 4,441
Sale 20 Apr 2022
Value US$529,933.28 | Price 10.18 | Shares 52,042
Sale 2 Feb 2022
Value US$51,225.60 | Price 17.40 | Shares 2,944
Sale 3 Jan 2022
Value US$52,645.48 | Price 22.81 | Shares 2,308
Planned sale 15 Dec 2021
Value US$129,803.62 | Price 24.16 | Shares 5,373
Planned sale 15 Dec 2021
Value US$126,219.39 | Price 23.34 | Shares 5,407
Planned sale 15 Dec 2021
Value US$205,925.93 | Price 22.33 | Shares 9,220
Planned sale 6 Dec 2021
Value US$532,183.26 | Price 20.26 | Shares 26,273
Planned sale 15 Nov 2021
Value US$87,165.96 | Price 31.13 | Shares 2,800
Planned sale 15 Nov 2021
Value US$522,745.84 | Price 30.39 | Shares 17,200
Planned sale 1 Nov 2021
Value US$148,828.36 | Price 38.28 | Shares 3,888
Planned sale 1 Nov 2021
Value US$228,928.63 | Price 37.46 | Shares 6,112
Planned sale 15 Oct 2021
Value US$377,598.48 | Price 33.13 | Shares 11,396
Planned sale 15 Oct 2021
Value US$281,671.73 | Price 32.74 | Shares 8,604
Planned sale 1 Oct 2021
Value US$172,580.19 | Price 34.27 | Shares 5,036
Planned sale 1 Oct 2021
Value US$165,885.46 | Price 33.42 | Shares 4,964
Planned sale 15 Sep 2021
Value US$94,523.79 | Price 41.84 | Shares 2,259
Planned sale 15 Sep 2021
Value US$517,849.08 | Price 41.03 | Shares 12,620
Planned sale 15 Sep 2021
Value US$206,343.53 | Price 40.29 | Shares 5,121
Planned sale 2 Jun 2021
Value US$300,951.00 | Price 30.10 | Shares 10,000
Sale 17 Feb 2021
Value US$8,699,445.65 | Price 64.15 | Shares 135,611
Sale 17 Feb 2021
Value US$14,057,189.50 | Price 64.15 | Shares 219,130
Sale 1 Feb 2021
Value US$26,712,637.35 | Price 64.15 | Shares 416,409
Sale 1 Feb 2021
Value US$23,061,989.15 | Price 64.15 | Shares 359,501
Sale 1 Feb 2021
Value US$20,102,621.35 | Price 64.15 | Shares 313,369
Sale 1 Feb 2021
Value US$16,201,519.38 | Price 64.15 | Shares 252,545
Buy 9 Dec 2020
Value US$1,197,456.00 | Price 19.00 | Shares 63,024
Buy 9 Dec 2020
Value US$13,802,531.00 | Price 19.00 | Shares 726,449
Sale 8 Dec 2020
Value US$9,999,985.00 | Price 19.00 | Shares 526,315
Buy 8 Dec 2020
Value US$1,900,000.00 | Price 19.00 | Shares 100,000
Buy 8 Dec 2020
Value US$15,010,000.00 | Price 19.00 | Shares 790,000
Buy 8 Dec 2020
Value US$1,499,993.00 | Price 19.00 | Shares 78,947
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-21 2026-05-20 S Sale
4.1
Horn David R.

PRESIDENT & CFO

Officer
89,235 -12.9%
281.04
US$1,785,069 		89,235 -12.9% 281.04 US$1,785,069
2026-02-19 2026-02-18 S Sale
4.1
Horn David R.

PRESIDENT & CFO

Officer
71,425 +42.4%
405.24
US$365,413 		71,425 +42.4% 405.24 US$365,413
2026-02-19 2026-02-18 S Sale
2.7
Farokhzad Omid

CEO AND CHAIR

Executive Director
21,162 -5.3%
238.40
US$1,426,106 		21,162 -5.3% 238.40 US$1,426,106
2025-11-21 2025-11-19 S Sale
4.1
Horn David R.

PRESIDENT & CFO

Officer
6,797 -1.5%
1.97
US$13,400 		6,797 -1.5% 1.97 US$13,400
2025-11-21 2025-11-19 S Sale
2.7
Farokhzad Omid

CEO AND CHAIR

Executive Director
33,838 -2.7%
1.97
US$66,708 		33,838 -2.7% 1.97 US$66,708
2025-08-21 2025-08-20 S Sale
4.1
Horn David R.

PRESIDENT & CFO

Officer
6,827 -1.5%
2.04
US$13,955 		6,827 -1.5% 2.04 US$13,955
2025-08-21 2025-08-20 S Sale
2.7
Farokhzad Omid

CEO AND CHAIR

Executive Director
33,992 -2.6%
2.04
US$69,483 		33,992 -2.6% 2.04 US$69,483
2025-06-16 2025-06-13 PlS Planned sale
Nishar Dipchand
Non-Executive Director
30,253 -38.1%
2.08
US$62,935 		30,253 -38.1% 2.08 US$62,935
2025-06-13 2025-06-13 PrS Proposed sale
DIPCHAND NISHAR

Director

Non-Executive Director
30,253
2.08
US$62,932 		30,253 2.08 US$62,932
2025-05-22 2025-05-20 S Sale
2.7
Farokhzad Omid

CEO AND CHAIR

Executive Director
33,663 -2.5%
2.08
US$69,854 		33,663 -2.5% 2.08 US$69,854
2025-05-22 2025-05-20 S Sale
4.1
Horn David R.

PRESIDENT & CFO

Officer
6,760 -1.5%
2.08
US$14,028 		6,760 -1.5% 2.08 US$14,028
2025-02-05 2025-02-04 S Sale
2.7
Farokhzad Omid

CEO AND CHAIR

Executive Director
8,068 -0.6%
2.24
US$18,044 		8,068 -0.6% 2.24 US$18,044
2025-02-05 2025-02-04 S Sale
4.1
Horn David R.

PRESIDENT & CFO

Officer
3,550 -0.7%
2.24
US$7,940 		3,550 -0.7% 2.24 US$7,940
2024-06-18 2024-06-14 PlS Planned sale
Nishar Dipchand
Non-Executive Director
12,109 -13.2%
1.78
US$21,512 		12,109 -13.2% 1.78 US$21,512
2024-06-14 2024-06-14 PrS Proposed sale
DIPCHAND NISHAR

Director

Non-Executive Director
12,109
1.81
US$21,917 		12,109 1.81 US$21,917
2024-03-12 2024-03-07 S Sale
2.7
Farokhzad Omid

CEO AND CHAIR

Executive Director
52,857 -3.5%
2.03
US$107,421 		52,857 -3.5% 2.03 US$107,421
2024-02-23 2024-02-22 S Sale
4.1
Horn David R.

PRESIDENT & CFO

Officer
12,684 -2.6%
1.58
US$20,024 		12,684 -2.6% 1.58 US$20,024
2024-02-23 2024-02-22 S Sale
0.7
Kogan Elona

CHIEF LEGAL OFFICER

Officer
12,684 -4.4%
1.58
US$20,024 		12,684 -4.4% 1.58 US$20,024
2024-02-07 2024-02-05 S Sale
4.1
Horn David R.

President and CFO

Officer
3,608 -1.1%
1.67
US$6,015 		3,608 -1.1% 1.67 US$6,015
2023-12-06 2023-12-04 PlS Planned sale
0.7
Kogan Elona Esq.

Chief Legal Officer

Officer
8,182 -4.8%
1.70
US$13,869 		8,182 -4.8% 1.70 US$13,869
2023-08-24 2023-08-23 B Purchase
2.7
Farokhzad Omid

CEO, President and Chair

Executive Director
40,000 +5.2%
2.45
US$97,968 		40,000 +5.2% 2.45 US$97,968
2023-05-19 2023-05-18 PlS Planned sale
Thomas Scott D

Chief Commercial Officer

Officer
1,468 -1.5%
3.56
US$5,224 		1,468 -1.5% 3.56 US$5,224
2023-02-22 2023-02-21 PlS Planned sale
0.7
Kogan Elona Esq.

General Counsel and Secretary

Officer
5,951 -3.4%
4.13
US$24,603 		5,951 -3.4% 4.13 US$24,603
2023-02-22 2023-02-21 S Sale
2.7
Farokhzad Omid

CEO, President and Chair

Executive Director
13,840 -1.8%
4.13
US$57,210 		13,840 -1.8% 4.13 US$57,210
2023-02-22 2023-02-21 S Sale
4.1
Horn David R.

Chief Financial Officer

Officer
5,951 -1.8%
4.13
US$24,606 		5,951 -1.8% 4.13 US$24,606
2023-02-08 2023-02-07 S Sale
2.7
Farokhzad Omid

CEO, President and Chair

Executive Director Large shareholder
8,379 -2.2%
4.67
US$39,128 		8,379 -2.2% 4.67 US$39,128
2023-02-08 2023-02-07 S Sale
4.1
Horn David R.

Chief Financial Officer

Officer
3,124 -1.2%
5.40
US$16,861 		3,124 -1.2% 5.40 US$16,861
2023-01-19 2023-01-17 S Sale
2.7
Farokhzad Omid

CEO, President and Chair

Executive Director Large shareholder
4,800 -1.2%
5.12
US$24,573 		4,800 -1.2% 5.12 US$24,573
2023-01-19 2023-01-17 S Sale
4.1
Horn David R.

Chief Financial Officer

Officer
2,602 -1.0%
5.12
US$13,320 		2,602 -1.0% 5.12 US$13,320
2022-12-08 2022-12-08 PlS Planned sale
4.1
Horn David R.

Chief Financial Officer

Officer
18,884 -6.5%
6.57
US$124,070 		18,884 -6.5% 6.57 US$124,070
2022-06-10 2022-06-08 PlS Planned sale
0.7
Kogan Elona Esq.

General Counsel and Secretary

Officer
8,185 -7.5%
8.91
US$72,923 		8,185 -7.5% 8.91 US$72,923
2022-06-01 2022-05-27 S Sale
2.7
OSTADAN OMEAD

President & COO

Executive Director
4,441 -1.2%
8.06
US$35,794 		4,441 -1.2% 8.06 US$35,794
2022-04-22 2022-04-20 S Sale
2.7
OSTADAN OMEAD

President & COO

Executive Director
52,042 -11.9%
10.18
US$529,933 		52,042 -11.9% 10.18 US$529,933
2022-02-04 2022-02-02 S Sale
4.1
Horn David R.

Chief Financial Officer

Officer
2,944 -1.3%
17.40
US$51,226 		2,944 -1.3% 17.40 US$51,226
2022-01-04 2022-01-03 S Sale
4.1
Horn David R.

Chief Financial Officer

Officer
2,308 -1.0%
22.81
US$52,645 		2,308 -1.0% 22.81 US$52,645
2021-12-16 2021-12-15 PlS Planned sale
2.7
OSTADAN OMEAD

President & COO

Executive Director
5,373 -1.4%
24.16
US$129,804 		5,373 -1.4% 24.16 US$129,804
2021-12-16 2021-12-15 PlS Planned sale
2.7
OSTADAN OMEAD

President & COO

Executive Director
5,407 -1.4%
23.34
US$126,219 		5,407 -1.4% 23.34 US$126,219
2021-12-16 2021-12-15 PlS Planned sale
2.7
OSTADAN OMEAD

President & COO

Executive Director
9,220 -2.3%
22.33
US$205,926 		9,220 -2.3% 22.33 US$205,926
2021-12-08 2021-12-06 PlS Planned sale
4.1
Horn David R.

Chief Financial Officer

Officer
26,273 -11.3%
20.26
US$532,183 		26,273 -11.3% 20.26 US$532,183
2021-11-17 2021-11-15 PlS Planned sale
2.7
OSTADAN OMEAD

President & COO

Executive Director
2,800 -0.7%
31.13
US$87,166 		2,800 -0.7% 31.13 US$87,166
2021-11-17 2021-11-15 PlS Planned sale
2.7
OSTADAN OMEAD

President & COO

Executive Director
17,200 -4.3%
30.39
US$522,746 		17,200 -4.3% 30.39 US$522,746
2021-11-03 2021-11-01 PlS Planned sale
4.1
Horn David R.

Chief Financial Officer

Officer
3,888 -1.7%
38.28
US$148,828 		3,888 -1.7% 38.28 US$148,828
2021-11-03 2021-11-01 PlS Planned sale
4.1
Horn David R.

Chief Financial Officer

Officer
6,112 -2.5%
37.46
US$228,929 		6,112 -2.5% 37.46 US$228,929
2021-10-19 2021-10-15 PlS Planned sale
2.7
OSTADAN OMEAD

President & COO

Executive Director
11,396 -2.9%
33.13
US$377,598 		11,396 -2.9% 33.13 US$377,598
2021-10-19 2021-10-15 PlS Planned sale
2.7
OSTADAN OMEAD

President & COO

Executive Director
8,604 -2.2%
32.74
US$281,672 		8,604 -2.2% 32.74 US$281,672
2021-10-05 2021-10-01 PlS Planned sale
4.1
Horn David R.

Chief Financial Officer

Officer
5,036 -2.1%
34.27
US$172,580 		5,036 -2.1% 34.27 US$172,580
2021-10-05 2021-10-01 PlS Planned sale
4.1
Horn David R.

Chief Financial Officer

Officer
4,964 -2.1%
33.42
US$165,885 		4,964 -2.1% 33.42 US$165,885
2021-09-17 2021-09-15 PlS Planned sale
2.7
OSTADAN OMEAD

President & COO

Executive Director
2,259 -0.6%
41.84
US$94,524 		2,259 -0.6% 41.84 US$94,524
2021-09-17 2021-09-15 PlS Planned sale
2.7
OSTADAN OMEAD

President & COO

Executive Director
12,620 -3.2%
41.03
US$517,849 		12,620 -3.2% 41.03 US$517,849
2021-09-17 2021-09-15 PlS Planned sale
2.7
OSTADAN OMEAD

President & COO

Executive Director
5,121 -1.3%
40.29
US$206,344 		5,121 -1.3% 40.29 US$206,344
2021-06-04 2021-06-02 PlS Planned sale
4.1
Horn David R.

Chief Financial Officer

Officer
10,000 -4.1%
30.10
US$300,951 		10,000 -4.1% 30.10 US$300,951
2021-02-19 2021-02-17 S Sale
2.7
Farokhzad Omid

CEO and Chair of the Board

Executive Director Large shareholder
135,611 -100.0%
64.15
US$8,699,446 		135,611 -100.0% 64.15 US$8,699,446
2021-02-19 2021-02-17 S Sale
2.7
Farokhzad Omid

CEO and Chair of the Board

Executive Director Large shareholder
219,130 -61.8%
64.15
US$14,057,190 		219,130 -61.8% 64.15 US$14,057,190
2021-02-03 2021-02-01 S Sale
2.7
Farokhzad Omid

CEO and Chair of the Board

Executive Director Large shareholder
416,409 -100.0%
64.15
US$26,712,637 		416,409 -100.0% 64.15 US$26,712,637
2021-02-03 2021-02-01 S Sale
2.7
Farokhzad Omid

CEO and Chair of the Board

Executive Director Large shareholder
359,501 -55.7%
64.15
US$23,061,989 		359,501 -55.7% 64.15 US$23,061,989
2021-02-03 2021-02-01 S Sale
2.7
Farokhzad Omid

CEO and Chair of the Board

Executive Director Large shareholder
313,369 -51.3%
64.15
US$20,102,621 		313,369 -51.3% 64.15 US$20,102,621
2021-02-03 2021-02-01 S Sale
3.8
Invus Public Equities, L.P.
Large shareholder
252,545 -4.3%
64.15
US$16,201,519 		252,545 -4.3% 64.15 US$16,201,519
2020-12-10 2020-12-09 B Purchase
0.6
aMoon 2 Fund Limited Partnership
Large shareholder
63,024 +6.9%
19.00
US$1,197,456 		63,024 +6.9% 19.00 US$1,197,456
2020-12-10 2020-12-09 B Purchase
0.6
aMoon 2 Fund Limited Partnership
Large shareholder
726,449 +17.2%
19.00
US$13,802,531 		726,449 +17.2% 19.00 US$13,802,531
2020-12-10 2020-12-08 S Sale
2.7
Farokhzad Omid

CEO and Chair of the Board

Executive Director Large shareholder
526,315 -67.5%
19.00
US$9,999,985 		526,315 -67.5% 19.00 US$9,999,985
2020-12-10 2020-12-08 B Purchase
0.6
aMoon 2 Fund Limited Partnership
Large shareholder
100,000 +2.4%
19.00
US$1,900,000 		100,000 +2.4% 19.00 US$1,900,000
2020-12-10 2020-12-08 B Purchase
3.8
Invus Public Equities, L.P.
Large shareholder
790,000 +15.6%
19.00
US$15,010,000 		790,000 +15.6% 19.00 US$15,010,000
2020-12-09 2020-12-08 B Purchase
1.4
MCGUIRE TERRANCE
Non-Executive Director
78,947 +inf%
19.00
US$1,499,993 		78,947 +inf% 19.00 US$1,499,993
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