Sei Investments Co (SEIC) insider trading.
In Q3 2026, insiders at Sei Investments Co reported 32 non-derivative transactions on 12 Forms 3, 4 and 5: 0 open-market purchases and 13 sales worth $20.4M.
- Transactions
- 32
- Purchases (P)
- 0
- Sales (S)
- 13
- Net shares, P minus S
- -192,400
- Insiders
- 10
- Last filed
- 2026-09-24
Insiders
| Insider | Relationship | Transactions | Buys | Sales |
|---|---|---|---|---|
| Warner Mark Andrew | Officer · See Remarks* | 7 | 0 | 3 |
| McCabe Philip | Officer · See Remarks | 5 | 0 | 2 |
| Peterson Michael | Officer · Executive Vice President | 4 | 0 | 2 |
| Hicke Ryan | Officer · Chief Executive Officer | 3 | 0 | 1 |
| Mccarthy Kathryn | Director | 3 | 0 | 1 |
| Guarino Carl | Director | 3 | 0 | 1 |
| Sharma Sanjay | Officer · See Remarks* | 3 | 0 | 1 |
| Romeo Carmen | Director | 2 | 0 | 1 |
| Lane Michael | Officer · Executive Vice President | 1 | 0 | 1 |
| Shah Sneha S. | Officer · See Remarks* | 1 | 0 | 0 |
Transactions
| Date | Insider | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-09-22 | Lane Michael | S (D) | 2,400 | $102.78 | 39,581 | Form 4 |
| 2026-09-03 | Hicke Ryan | M (A) | 20,000 | $64.43 | 230,315 | Form 4 |
| 2026-09-03 | Hicke Ryan | M (A) | 17,500 | $48.47 | 210,315 | Form 4 |
| 2026-09-03 | Hicke Ryan | S (D) | 37,500 | $110.71 | 192,815 | Form 4 |
| 2026-09-01 | Romeo Carmen | S (D) | 5,000 | $109.7 | 1,560,293 | Form 4 |
| 2026-09-01 | Romeo Carmen | M (A) | 5,000 | $49.63 | 1,565,293 | Form 4 |
| 2026-08-28 | Peterson Michael | S (D) | 37,500 | $111.51 | 20,148 | Form 4 |
| 2026-08-28 | Peterson Michael | M (A) | 37,500 | $56.54 | 57,648 | Form 4 |
| 2026-08-05 | McCabe Philip | S (D) | 5,043 | $105.5 | 54,884 | Form 4 |
| 2026-08-05 | McCabe Philip | M (A) | 5,043 | $49.63 | 59,927 | Form 4 |
| 2026-08-04 | McCabe Philip | M (A) | 15,000 | $49.63 | 79,841 | Form 4 |
| 2026-08-04 | McCabe Philip | M (A) | 9,957 | $49.63 | 64,841 | Form 4 |
| 2026-08-04 | McCabe Philip | S (D) | 24,957 | $105.04 | 54,884 | Form 4 |
| 2026-08-03 | Mccarthy Kathryn | S (D) | 10,000 | $103.54 | 77,883 | Form 4 |
| 2026-08-03 | Mccarthy Kathryn | M (A) | 5,000 | $71.12 | 82,883 | Form 4 |
| 2026-08-03 | Mccarthy Kathryn | M (A) | 5,000 | $71.12 | 87,883 | Form 4 |
| 2026-07-28 | Guarino Carl | M (A) | 5,000 | $49.63 | 28,308 | Form 4 |
| 2026-07-28 | Guarino Carl | M (A) | 5,000 | $49.63 | 23,308 | Form 4 |
| 2026-07-28 | Guarino Carl | S (D) | 10,000 | $103.2 | 18,308 | Form 4 |
| 2026-07-28 | Peterson Michael | M (A) | 25,000 | $55.73 | 45,148 | Form 4 |
| 2026-07-28 | Peterson Michael | S (D) | 25,000 | $102.05 | 20,148 | Form 4 |
| 2026-07-28 | Warner Mark Andrew | S (D) | 7,400 | $102.97 | 921 | Form 4 |
| 2026-07-28 | Warner Mark Andrew | M (A) | 5,000 | $56.54 | 15,921 | Form 4 |
| 2026-07-28 | Warner Mark Andrew | M (A) | 5,000 | $56.54 | 10,921 | Form 4 |
| 2026-07-28 | Warner Mark Andrew | M (A) | 2,500 | $64.43 | 5,921 | Form 4 |
| 2026-07-28 | Warner Mark Andrew | S (D) | 2,300 | $101.11 | 13,621 | Form 4 |
| 2026-07-28 | Warner Mark Andrew | S (D) | 5,300 | $102.01 | 8,321 | Form 4 |
| 2026-07-28 | Warner Mark Andrew | M (A) | 2,500 | $64.43 | 3,421 | Form 4 |
| 2026-07-24 | Shah Sneha S. | F (D) | 3,746 | $96.73 | 14,092 | Form 4 |
| 2026-07-24 | Sharma Sanjay | M (A) | 10,000 | $71.12 | 59,829 | Form 4 |
| 2026-07-24 | Sharma Sanjay | S (D) | 20,000 | $99.33 | 39,829 | Form 4 |
| 2026-07-24 | Sharma Sanjay | M (A) | 10,000 | $71.12 | 49,829 | Form 4 |
Transaction codes in this quarter
Get SEIC insider transactions through the API
curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=350894&limit=100" \
-H "Authorization: Bearer $SEC_API_KEY"Insider trading API guide · SEIC company page · Sei Investments Co on SEC.gov
Questions
Are insiders buying or selling Sei Investments Co (SEIC)?
In Q3 2026, insiders at Sei Investments Co reported 32 non-derivative transactions on 12 Forms 3, 4 and 5: 0 open-market purchases and 13 sales worth $20.4M. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.
Where do these Sei Investments Co insider trades come from?
From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.
Plain-text version for agents and LLMs: /insider-trading/seic.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.