ATNM insider transaction filings
Actinium Pharmaceuticals, Inc. — 21 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-04. Screen ATNM transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 6 Form 4 filings. 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): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 13.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| SETH SANDESH — Chief Executive Officer, Director | 1 | — | — | 3 |
| Almenoff June Sherie — Director | 1 | — | — | 2 |
| Chell Jeffrey W. — Director | 1 | — | — | 2 |
| Nicholson, C. David — Director | 1 | — | — | 2 |
| Shetty Ajit — Director | 1 | — | — | 2 |
| Steinhart Richard I — Director | 1 | — | — | 2 |
Recent Form 4 filings — Actinium Pharmaceuticals, Inc.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-04 | 4 | SETH SANDESH — Chief Executive Officer, Director | Grant/award (A): 753,600 @ $0 · Grant/award (A): 1,027,274 @ $0 · Grant/award (A): 1,130,400 (derivative) @ $0 | EDGAR |
| 2026-09-04 | 4 | Almenoff June Sherie — Director | Grant/award (A): 18,000 @ $0 · Grant/award (A): 27,000 (derivative) @ $0 | EDGAR |
| 2026-09-04 | 4 | Nicholson, C. David — Director | Grant/award (A): 62,800 @ $0 · Grant/award (A): 94,200 (derivative) @ $0 | EDGAR |
| 2026-09-04 | 4 | Shetty Ajit — Director | Grant/award (A): 61,600 @ $0 · Grant/award (A): 92,400 (derivative) @ $0 | EDGAR |
| 2026-09-04 | 4 | Chell Jeffrey W. — Director | Grant/award (A): 61,600 @ $0 · Grant/award (A): 92,400 (derivative) @ $0 | EDGAR |
| 2026-09-04 | 4 | Steinhart Richard I — Director | Grant/award (A): 62,800 @ $0 · Grant/award (A): 94,200 (derivative) @ $0 | EDGAR |
| 2025-08-20 | 4 | SETH SANDESH — Chief Executive Officer, Director | Tax withholding (F): 120,900 @ $1.71 | EDGAR |
| 2025-04-02 | 4 | Chell Jeffrey W. — Director | Disposition to issuer (D): 2,500 (derivative) @ $0 · Disposition to issuer (D): 2,500 (derivative) @ $0 · Disposition to issuer (D): 8,333 (derivative) @ $0 · Disposition to issuer (D): 8,333 (derivative) @ $0 · Disposition to issuer (D): 18,351 (derivative) @ $0 · Disposition to issuer (D): 72,156 (derivative) @ $0 · +1 more | EDGAR |
| 2025-04-02 | 4 | Almenoff June Sherie — Director | Disposition to issuer (D): 50,000 (derivative) @ $0 | EDGAR |
| 2025-04-02 | 4 | Nicholson, C. David — Director | Disposition to issuer (D): 2,500 (derivative) @ $0 · Disposition to issuer (D): 2,500 (derivative) @ $0 · Disposition to issuer (D): 2,500 (derivative) @ $0 · Disposition to issuer (D): 8,333 (derivative) @ $0 · Disposition to issuer (D): 8,333 (derivative) @ $0 · Disposition to issuer (D): 18,351 (derivative) @ $0 · +2 more | EDGAR |
| 2025-04-02 | 4 | Shetty Ajit — Director | Disposition to issuer (D): 2,500 (derivative) @ $0 · Disposition to issuer (D): 2,500 (derivative) @ $0 · Disposition to issuer (D): 8,333 (derivative) @ $0 · Disposition to issuer (D): 8,333 (derivative) @ $0 · Disposition to issuer (D): 18,351 (derivative) @ $0 · Disposition to issuer (D): 72,156 (derivative) @ $0 · +1 more | EDGAR |
| 2025-04-02 | 4 | SETH SANDESH — Chief Executive Officer, Director | Disposition to issuer (D): 16,666 (derivative) @ $0 · Disposition to issuer (D): 25,000 (derivative) @ $0 · Disposition to issuer (D): 33,333 (derivative) @ $0 · Disposition to issuer (D): 50,000 (derivative) @ $0 · Disposition to issuer (D): 139,062 (derivative) @ $0 · Disposition to issuer (D): 310,182 (derivative) @ $0 · +2 more | EDGAR |
| 2025-04-02 | 4 | O'Loughlin Steve — Chief Financial Officer | Disposition to issuer (D): 3,333 (derivative) @ $0 · Disposition to issuer (D): 1,666 (derivative) @ $0 · Disposition to issuer (D): 3,333 (derivative) @ $0 · Disposition to issuer (D): 8,833 (derivative) @ $0 · Disposition to issuer (D): 13,333 (derivative) @ $0 · Disposition to issuer (D): 59,066 (derivative) @ $0 · +3 more | EDGAR |
| 2025-04-02 | 4 | Steinhart Richard I — Director | Disposition to issuer (D): 2,500 (derivative) @ $0 · Disposition to issuer (D): 2,500 (derivative) @ $0 · Disposition to issuer (D): 2,500 (derivative) @ $0 · Disposition to issuer (D): 8,333 (derivative) @ $0 · Disposition to issuer (D): 8,333 (derivative) @ $0 · Disposition to issuer (D): 18,351 (derivative) @ $0 · +2 more | EDGAR |
| 2024-11-05 | 4 | Almenoff June Sherie — Director | Grant/award (A): 50,000 (derivative) @ $0 | EDGAR |
| 2023-12-29 | 4 | Nicholson, C. David — Director | Grant/award (A): 70,311 (derivative) @ $0 | EDGAR |
| 2023-12-29 | 4 | O'Loughlin Steve — Chief Financial Officer | Grant/award (A): 253,123 (derivative) @ $0 | EDGAR |
| 2023-12-29 | 4 | Shetty Ajit — Director | Grant/award (A): 70,311 (derivative) @ $0 | EDGAR |
| 2023-12-29 | 4 | SETH SANDESH — Chief Executive Officer, Director | Grant/award (A): 984,367 (derivative) @ $0 | EDGAR |
| 2023-12-29 | 4 | Chell Jeffrey W. — Director | Grant/award (A): 70,311 (derivative) @ $0 | EDGAR |
| 2023-12-29 | 4 | Steinhart Richard I — Director | Grant/award (A): 70,311 (derivative) @ $0 | EDGAR |
Recent 8-K events — Actinium Pharmaceuticals, Inc.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-14 | 8-K | 3.01 — Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-18 | 8-K | 8.01 — Other Events | EDGAR |
| 2026-05-29 | 8-K | 3.01 — Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-26 | 8-K/A | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-02-13 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2025-11-26 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2025-05-09 | 8-K | 4.01 — Changes in Registrant's Certifying Accountant 9.01 — Financial Statements and Exhibits | EDGAR |
| 2024-11-27 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2024-11-05 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2024-08-05 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
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