Seer, Inc. (SEER)
$1.97-$0.04 (-1.99%) Today
Seer Inc is a life sciences company, develops and commercializes products to decode the biology of the proteome. The company offers Proteograph Product Suite, an integrated solution that includes proprietary engineered nanoparticles, consumables, automation instrumentation, and data analysis software to perform proteomic analysis to provide a solution that can be incorporated by nearly any lab for research use only. It markets and sells its products for research use only, which cover academic institutions, life sciences, and research laboratories, as well as biopharmaceutical and biotechnology companies for non-diagnostic and non-clinical purposes. The company operates in China, Australia, Eastern Europe, Israel, Japan and South Africa.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 2 | 17,969 | $38K |
| Grant or award | 12 | 238,625 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
26 Form 4 filings on record, the earliest from Oct 7, 2024, newest first.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| David R. Horn - Officer | Open-market sale | Class A Common Stock | 7,309 | $2.03 | $15K | |
| Nicolas H. Phd Roelofs - Director | Grant or award | Class A Common Stock | 16,500 | $0.00 | - | |
| Nicolas H. Phd Roelofs - Director | Grant or award | Stock Option (right to buy) | 25,000 | $0.00 | - | |
| Isaac Ro - Director | Grant or award | Class A Common Stock | 12,375 | $0.00 | - | |
| Isaac Ro - Director | Grant or award | Stock Option (right to buy) | 18,750 | $0.00 | - | |
| Dipchand Nishar - Director | Grant or award | Class A Common Stock | 16,500 | $0.00 | - | |
| Dipchand Nishar - Director | Grant or award | Stock Option (right to buy) | 25,000 | $0.00 | - | |
| Terrance McGuire - Director | Grant or award | Class A Common Stock | 16,500 | $0.00 | - | |
| Terrance McGuire - Director | Grant or award | Stock Option (right to buy) | 25,000 | $0.00 | - | |
 Robert Langer - Director | Grant or award | Class A Common Stock | 16,500 | $0.00 | - | |
| Robert Langer - Director | Grant or award | Stock Option (right to buy) | 25,000 | $0.00 | - | |
| Meeta Gulyani - Director | Grant or award | Class A Common Stock | 16,500 | $0.00 | - | |
| Meeta Gulyani - Director | Grant or award | Stock Option (right to buy) | 25,000 | $0.00 | - | |
| Dipchand Nishar | Open-market sale | Class A Common Stock | 10,660 | $2.18 | $23K | |
| David R. Horn - Officer | Open-market sale | Class A Common Stock | 7,303 | $1.69 | $12K | |
| Anthony R. Bazarko - Officer | Grant or award | Class A Common Stock | 75,000 | - | - | |
| Anthony R. Bazarko - Officer | Grant or award | Employee Stock Option (right to buy) | 225,000 | $0.00 | - | |
| David R. Horn - Officer | Open-market sale | Class A Common Stock | 7,743 | $1.99 | $15K | |
| Omid Farokhzad - Officer | Open-market sale | Class A Common Stock | 24,385 | $1.99 | $49K | |
| David R. Horn - Officer | Grant or award | Class A Common Stock | 79,000 | $0.00 | - | |
| David R. Horn - Officer | Grant or award | Employee Stock Option (right to buy) | 119,000 | $0.00 | - | |
| Omid Farokhzad - Officer | Grant or award | Class A Common Stock | 697,162 | $0.00 | - | |
| Omid Farokhzad - Officer | Grant or award | Employee Stock Option (right to buy) | 512,000 | $0.00 | - | |
| Omid Farokhzad - Officer | Open-market sale | Class A Common Stock | 33,838 | $1.97 | $67K | |
| David R. Horn - Officer | Open-market sale | Class A Common Stock | 6,797 | $1.97 | $13K | |
| Isaac Ro | Grant or award | Class A Common Stock | 41,000 | $0.00 | - | |
| Isaac Ro | Grant or award | Stock Option (right to buy) | 61,000 | $0.00 | - | |
| Omid Farokhzad - Officer | Open-market sale | Class A Common Stock | 33,992 | $2.04 | $69K | |
| David R. Horn - Officer | Open-market sale | Class A Common Stock | 6,827 | $2.04 | $14K | |
| Dipchand Nishar | Grant or award | Class A Common Stock | 20,500 | $0.00 | - | |
| Dipchand Nishar | Grant or award | Stock Option (right to buy) | 30,500 | $0.00 | - | |
| Nicolas H. Phd Roelofs | Grant or award | Class A Common Stock | 17,083 | $0.00 | - | |
| Nicolas H. Phd Roelofs | Grant or award | Stock Option (right to buy) | 25,416 | $0.00 | - | |
| Terrance McGuire | Grant or award | Class A Common Stock | 20,500 | $0.00 | - | |
| Terrance McGuire | Grant or award | Stock Option (right to buy) | 30,500 | $0.00 | - | |
| Robert Langer | Grant or award | Class A Common Stock | 20,500 | $0.00 | - | |
| Robert Langer | Grant or award | Stock Option (right to buy) | 30,500 | $0.00 | - | |
| Meeta Gulyani | Grant or award | Class A Common Stock | 20,500 | $0.00 | - | |
| Meeta Gulyani | Grant or award | Stock Option (right to buy) | 30,500 | $0.00 | - | |
| Omid Farokhzad - Officer | Derivative | Employee Stock Option (right to buy) | 878,375 | - | - | |
| Omid Farokhzad - Officer | Grant or award | Employee Stock Option (right to buy) | 878,375 | - | - | |
| Omid Farokhzad - Officer | Derivative | Employee Stock Option (right to buy) | 532,653 | - | - | |
| Omid Farokhzad - Officer | Grant or award | Employee Stock Option (right to buy) | 532,653 | - | - | |
| Omid Farokhzad - Officer | Derivative | Employee Stock Option (right to buy) | 112 | - | - | |
| Omid Farokhzad - Officer | Grant or award | Employee Stock Option (right to buy) | 112 | - | - | |
| Omid Farokhzad - Officer | Derivative | Employee Stock Option (right to buy) | 65 | - | - | |
| Omid Farokhzad - Officer | Grant or award | Employee Stock Option (right to buy) | 65 | - | - | |
| Omid Farokhzad - Officer | Derivative | Employee Stock Option (right to buy) | 584,265 | - | - | |
| Omid Farokhzad - Officer | Grant or award | Employee Stock Option (right to buy) | 584,265 | - | - | |
| Omid Farokhzad - Officer | Derivative | Employee Stock Option (right to buy) | 87,000 | - | - | |
| Omid Farokhzad - Officer | Grant or award | Employee Stock Option (right to buy) | 87,000 | - | - | |
| Omid Farokhzad - Officer | Derivative | Employee Stock Option (right to buy) | 650,000 | - | - | |
| Omid Farokhzad - Officer | Grant or award | Employee Stock Option (right to buy) | 650,000 | - | - | |
| David R. Horn - Officer | Derivative | Employee Stock Option (right to buy) | 566,460 | - | - | |
| David R. Horn - Officer | Grant or award | Employee Stock Option (right to buy) | 566,460 | - | - | |
| David R. Horn - Officer | Derivative | Employee Stock Option (right to buy) | 140,662 | - | - | |
| David R. Horn - Officer | Grant or award | Employee Stock Option (right to buy) | 140,662 | - | - | |
| David R. Horn - Officer | Derivative | Employee Stock Option (right to buy) | 87 | - | - | |
| David R. Horn - Officer | Grant or award | Employee Stock Option (right to buy) | 87 | - | - | |
| David R. Horn - Officer | Derivative | Employee Stock Option (right to buy) | 20 | - | - | |
| David R. Horn - Officer | Grant or award | Employee Stock Option (right to buy) | 20 | - | - | |
| David R. Horn - Officer | Derivative | Employee Stock Option (right to buy) | 135,100 | - | - | |
| David R. Horn - Officer | Grant or award | Employee Stock Option (right to buy) | 135,100 | - | - | |
| David R. Horn - Officer | Derivative | Employee Stock Option (right to buy) | 34,125 | - | - | |
| David R. Horn - Officer | Grant or award | Employee Stock Option (right to buy) | 34,125 | - | - | |
| David R. Horn - Officer | Derivative | Employee Stock Option (right to buy) | 124,000 | - | - | |
| David R. Horn - Officer | Grant or award | Employee Stock Option (right to buy) | 124,000 | - | - | |
| David R. Horn - Officer | Derivative | Employee Stock Option (right to buy) | 140,000 | - | - | |
| David R. Horn - Officer | Grant or award | Employee Stock Option (right to buy) | 140,000 | - | - |
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| - | - | - | - | View on EDGAR |
Seer, Inc. (SEER) had 8 insider filings in the last 90 days, with the most recent on 2026-08-19. The full record for SEER runs to 26 Form 4 filings, the earliest from 2024-10-07. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of SEER were filed in the last 90 days.
2 insider sales of SEER were filed in the last 90 days, totaling $38K.
This page tracks SEER Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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