SCHAEFFER DAVE — SEC Form 4 filings
SEC reporting owner CIK 1166976. 46 Form 4 filings on record with FilingPulse; latest filed 2026-05-04.
Transaction summary — filings shown
Covers all 46 filings on record, filed 2024-03-08 to 2026-05-04. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 50 legs across 37 filings — 4,263,578 shares, $170,134,830 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 17.
- Largest priced transaction: sale of 1,840,669 shares @ $32.60 ($60,005,809) in COGENT COMMUNICATIONS HOLDINGS, INC., filed 2025-08-08.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | CHAIRMAN, CEO, AND PRESIDENT, Director | 46 | — | 50 legs · 4,263,578 sh · $170,134,830 | 17 |
Form 4 filings — SCHAEFFER DAVE
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-05-04 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Grant/award (A): 1,000,000 @ $0 · Gift (G): 1,000,000 @ $0 · Gift (G): 1,000,000 @ $0 | EDGAR |
| 2026-04-02 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Disposition to issuer (D): 58,667 @ $0 · Gift (G): 29,333 @ $0 · Gift (G): 29,333 @ $0 | EDGAR |
| 2026-01-05 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Grant/award (A): 229,657 @ $0 · Gift (G): 229,657 @ $0 · Gift (G): 229,657 @ $0 | EDGAR |
| 2025-08-11 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 818,909 @ $27.50 | EDGAR |
| 2025-08-08 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 1,840,669 @ $32.60 | EDGAR |
| 2025-06-16 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 45,000 @ $47.42 · Sale (S): 10,000 @ $47.34 | EDGAR |
| 2025-06-16 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 45,000 @ $47.14 · Sale (S): 25,000 @ $47.05 | EDGAR |
| 2025-06-12 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 45,000 @ $48.55 · Sale (S): 10,000 @ $48.35 | EDGAR |
| 2025-06-12 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 45,000 @ $47.87 · Sale (S): 10,000 @ $47.83 | EDGAR |
| 2025-06-10 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 40,000 @ $48.70 · Sale (S): 15,000 @ $48.63 | EDGAR |
| 2025-06-09 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 40,000 @ $47.29 · Sale (S): 35,000 @ $47.31 | EDGAR |
| 2025-06-09 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 50,000 @ $47.78 · Sale (S): 30,000 @ $47.78 | EDGAR |
| 2025-06-09 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 40,000 @ $48.51 · Sale (S): 15,000 @ $48.99 | EDGAR |
| 2025-06-05 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 50,000 @ $47.76 · Sale (S): 25,000 @ $47.76 | EDGAR |
| 2025-06-04 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 50,000 @ $47.00 · Sale (S): 15,000 @ $46.86 | EDGAR |
| 2025-06-03 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 50,000 @ $46.38 · Sale (S): 15,000 @ $46.13 | EDGAR |
| 2025-06-02 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 25,000 @ $45.90 | EDGAR |
| 2025-05-30 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 25,000 @ $46.90 | EDGAR |
| 2025-05-29 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 20,000 @ $47.41 | EDGAR |
| 2025-05-28 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 20,000 @ $48.67 | EDGAR |
| 2025-05-27 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 25,000 @ $46.93 | EDGAR |
| 2025-05-23 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 25,000 @ $46.27 | EDGAR |
| 2025-05-22 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 40,000 @ $46.81 | EDGAR |
| 2025-05-21 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 15,000 @ $49.96 | EDGAR |
| 2025-05-19 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 15,000 @ $50.99 | EDGAR |
| 2025-05-16 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 40,000 @ $50.38 | EDGAR |
| 2025-05-15 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 30,000 @ $50.64 | EDGAR |
| 2025-05-14 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 11,372 @ $50.10 · Sale (S): 42,628 @ $50.45 | EDGAR |
| 2025-04-04 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Disposition to issuer (D): 48,317 @ $0 | EDGAR |
| 2025-03-05 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 60,000 @ $71.77 | EDGAR |
| 2025-01-15 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Grant/award (A): 84,000 @ $0 · Grant/award (A): 96,000 @ $0 | EDGAR |
| 2024-12-17 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Disposition to issuer (D): 20,000 @ $75.88 | EDGAR |
| 2024-11-27 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 35,636 @ $83.76 · Sale (S): 24,364 @ $82.69 | EDGAR |
| 2024-09-11 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 65,000 @ $71.75 | EDGAR |
| 2024-08-28 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 60,000 @ $72.82 | EDGAR |
| 2024-06-17 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 60,000 @ $51.78 | EDGAR |
| 2024-06-13 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 60,000 @ $54.60 | EDGAR |
| 2024-05-14 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 50,000 @ $59.44 | EDGAR |
| 2024-04-01 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Disposition to issuer (D): 50,165 @ $0 | EDGAR |
| 2024-03-18 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 26,174 @ $64.21 | EDGAR |
| 2024-03-15 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 30,000 @ $67.52 | EDGAR |
| 2024-03-14 | 4/A | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 35,000 @ $67.93 | EDGAR |
| 2024-03-14 | 4/A | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 50,000 @ $68.12 | EDGAR |
| 2024-03-12 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Disposition to issuer (D): 35,000 @ $67.93 | EDGAR |
| 2024-03-12 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Disposition to issuer (D): 50,000 @ $68.12 | EDGAR |
| 2024-03-08 | 4 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | Sale (S): 8,826 @ $72.55 · Disposition to issuer (D): 21,387 @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
Need this as JSON?
GET https://api.filingpulse.io/v1/insider-trades?owner_cik=1166976 returns every filing on this page — normalized, with footnotes and derivative legs — and webhooks push new filings to you in seconds. API docs →