PHIOPhio Pharmaceuticals Corp.
- Market cap
- $9.90M
- as of 2026-10-23
- Latest close
- $0.85
- as of 2026-10-23
- Sector
- Healthcare
- as of 2026-10-24
- Industry
- Biotechnology
- as of 2026-10-24
Cluster
3 insiders bought $19K between Sep 22 – Sep 29.
Under the default rule (14d · ≥2 insiders · all roles).
| Insider | Traded | Filed | Type | Shares | Price | Value | Owned after | Holding change | 10b5-1 plan | Filing |
|---|---|---|---|---|---|---|---|---|---|---|
| Bitterman Robert JChairman, Pres. & CEO | Sep 22 | Sep 23 | P | 2,000 | $1.03 | Purchase +$2,058 | 364,871 | +0.6% | No | Form 4 |
| Bradford Patricia A | Sep 24 | Sep 25 | P | 6,500 | $1.01 | Purchase +$6,583 | 64,151 | +11.3% | No | Form 4 |
| Plott Ronald Todd | Sep 28 | Sep 30 | P | 5,000 | $1.03 | Purchase +$5,150 | 37,000 | +15.6% | No | Form 4 |
| Plott Ronald Todd | Sep 29 | Sep 30 | P | 5,000 | $1.04 | Purchase +$5,200 | 42,000 | +13.5% | No | Form 4 |
Form 4 historysince 2023-10-03
Dashed line = amended filing (Form 4/A)
| Insider | Traded | Filed | Type | Shares | Price | Value | Owned after | 10b5-1 plan | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Plott Ronald Todd | Sep 29 | Sep 30 | P | 5,000 | $1.04 | Purchase +$5,200 | 42,000 | No | Form 4 |
| Plott Ronald Todd | Sep 28 | Sep 30 | P | 5,000 | $1.03 | Purchase +$5,150 | 37,000 | No | Form 4 |
| Carson Lisa CabottChief Financial Officer | Sep 28 | Sep 29 | A | 108,000 | $0.00 | $0 | 189,112 | No | Form 4 |
| Plott Ronald Todd | Sep 28 | Sep 29 | A | 17,000 | $0.00 | $0 | 32,000 | No | Form 4 |
| Bitterman Robert JChairman, Pres. & CEO | Sep 28 | Sep 29 | A | 400,000 | $0.00 | $0 | 764,871 | No | Form 4 |
| Bradford Patricia A | Sep 24 | Sep 25 | P | 6,500 | $1.01 | Purchase +$6,565 | 64,151 | No | Form 4 |
| Bitterman Robert JChairman, Pres. & CEO | Sep 22 | Sep 23 | P | 2,000 | $1.03 | Purchase +$2,060 | 364,871 | No | Form 4 |
| Bradford Patricia A | Sep 15 | Sep 16 | P | 12,000 | $1.03 | Purchase +$12,360 | 57,651 | No | Form 4 |
| Carson Lisa CabottChief Financial Officer | Sep 11 | Sep 15 | F | 12,888 | $1.03 | $13,275 | 81,112 | No | Form 4 |
| Bitterman Robert JChairman, Pres. & CEO | Sep 11 | Sep 15 | F | 68,550 | $1.03 | $70,607 | 362,871 | No | Form 4 |
| Plott Ronald Todd | Aug 19 | Aug 20 | P | 15,000 | $1.14 | Purchase +$17,100 | 15,000 | No | Form 4 |
| Bitterman Robert JChairman, Pres. & CEO | Aug 18 | Aug 19 | P | 10,000 | $1.06 | Purchase +$10,600 | 431,421 | No | Form 4 |
| Bitterman Robert JChairman, Pres. & CEO | Jun 26 | Jun 29 | P | 10,000 | $0.99 | Purchase +$9,900 | 421,421 | No | Form 4 |
| Bitterman Robert JChairman, Pres. & CEO | Feb 5 | Feb 6 | A | 120,000 | $0.00 | $0 | 411,421 | No | Form 4 |
| Bradford Patricia A | Feb 5 | Feb 6 | A | 18,500 | $0.00 | $0 | 45,651 | No | Form 4 |
| Carson Lisa CabottChief Financial Officer | Feb 5 | Feb 6 | A | 47,000 | $0.00 | $0 | 94,000 | No | Form 4 |
| Deming David H | Feb 5 | Feb 6 | A | 23,800 | $0.00 | $0 | 37,800 | No | Form 4 |
| Freeman Jonathan E | Feb 5 | Feb 6 | A | 16,600 | $0.00 | $0 | 32,655 | No | Form 4 |
| Lockshin Curtis | Feb 5 | Feb 6 | A | 16,600 | $0.00 | $0 | 35,155 | No | Form 4 |
| Bitterman Robert JChairman, Pres. & CEO | Dec 31, 2025 | Jan 2 | P | 5,000 | $1.03 | Purchase +$5,150 | 291,421 | No | Form 4 |
| Bitterman Robert JChairman, Pres. & CEO | Dec 23, 2025 | Dec 29, 2025 | P | 5,000 | $1.02 | Purchase +$5,100 | 286,421 | No | Form 4 |
| Bitterman Robert JChairman, Pres. & CEO | Nov 21, 2025 | Nov 24, 2025 | P | 5,000 | $1.14 | Purchase +$5,700 | 281,421 | No | Form 4 |
| Bitterman Robert JChairman, Pres. & CEO | Nov 18, 2025 | Nov 19, 2025 | P | 5,000 | $1.27 | Purchase +$6,350 | 276,421 | No | Form 4 |
| Bitterman Robert JChairman, Pres. & CEO | Sep 11, 2025 | Sep 15, 2025 | F | 4,111 | $2.32 | $9,538 | 21,421 | No | Form 4 |
| Bitterman Robert JChairman, Pres. & CEO | Sep 11, 2025 | Sep 15, 2025 | A | 250,000 | $0.00 | $0 | 271,421 | No | Form 4 |
| Bradford Patricia A | Sep 11, 2025 | Sep 15, 2025 | A | 18,800 | $0.00 | $0 | 27,151 | No | Form 4 |
| Carson Lisa CabottVP, Finance and Administration | Sep 11, 2025 | Sep 15, 2025 | A | 47,000 | $0.00 | $0 | 47,000 | No | Form 4 |
| Freeman Jonathan E | Sep 11, 2025 | Sep 15, 2025 | A | 14,700 | $0.00 | $0 | 16,055 | No | Form 4 |
| Lockshin Curtis | Sep 11, 2025 | Sep 15, 2025 | A | 16,200 | $0.00 | $0 | 18,555 | No | Form 4 |
| Deming David H | Sep 11, 2025 | Sep 15, 2025 | A | 14,000 | $0.00 | $0 | 14,000 | No | Form 4 |
| Ferrara Robert L | Sep 11, 2025 | Sep 15, 20254/A | A | 23,100 | $0.00 | $0 | 38,766 | No | Form 4/A |
| Ferrara Robert L | Jun 10, 2025 | Jun 11, 2025 | P | 2,500 | $2.42 | Purchase +$6,050 | 15,666 | No | Form 4 |
| Bitterman Robert JChairman, Pres & CEO | Jun 10, 2025 | Jun 11, 2025 | P | 2,000 | $2.42 | Purchase +$4,840 | 27,149 | No | Form 4 |
| Bitterman Robert JChairman, Pres & CEO | Jun 9, 2025 | Jun 10, 2025 | P | 1,500 | $2.75 | Purchase +$4,125 | 25,149 | No | Form 4 |
| Bitterman Robert JChairman, Pres & CEO | May 22, 2025 | May 23, 2025 | P | 1,200 | $1.78 | Purchase +$2,136 | 23,649 | No | Form 4 |
| Bitterman Robert JChairman, Pres & CEO | May 21, 2025 | May 23, 2025 | P | 3,000 | $1.77 | Purchase +$5,310 | 22,449 | No | Form 4 |
| Ferrara Robert L | May 20, 2025 | May 21, 2025 | P | 2,500 | $1.82 | Purchase +$4,550 | 13,166 | No | Form 4 |
| Bitterman Robert JChairman, Pres & CEO | Sep 11, 2024 | Sep 13, 2024 | A | 15,500 | $0.00 | $0 | 17,832 | No | Form 4 |
| Freeman Jonathan E | Sep 11, 2024 | Sep 13, 2024 | A | 1,000 | $0.00 | $0 | 1,000 | No | Form 4 |
| Infarinato Robert M.VP, CFO | Sep 11, 2024 | Sep 13, 2024 | A | 3,000 | $0.00 | $0 | 11,000 | No | Form 4 |
| Bradford Patricia A | Sep 11, 2024 | Sep 12, 2024 | A | 8,000 | $0.00 | $0 | 8,000 | No | Form 4 |
| Ferrara Robert L | Sep 11, 2024 | Sep 12, 2024 | A | 10,000 | $0.00 | $0 | 10,000 | No | Form 4 |
| Lockshin Curtis | Sep 11, 2024 | Sep 12, 2024 | A | 2,000 | $0.00 | $0 | 2,000 | No | Form 4 |
| Infarinato Robert M.VP, Chief Financial Officer | Aug 13, 2024 | Aug 15, 2024 | A | 8,000 | $0.00 | $0 | 8,000 | No | Form 4 |
| Bitterman Robert JPresident & CEO | Jun 7, 2024 | Jun 11, 2024 | P | 1,000 | $0.74 | Purchase +$740 | 20,990 | No | Form 4 |
| Bitterman Robert JPresident & CEO | Jun 6, 2024 | Jun 10, 2024 | P | 1,000 | $0.75 | Purchase +$750 | 19,990 | No | Form 4 |
| Kontulis CaitlinSecretary & VP Finance & Admin | Mar 1, 2024 | Mar 5, 2024 | F | 335 | $0.96 | $322 | 10,643 | No | Form 4 |
| Bitterman Robert JPresident & CEO | Feb 26, 2024 | Feb 27, 2024 | P | 2,500 | $0.91 | Purchase +$2,275 | 18,990 | No | Form 4 |
| Bitterman Robert JPresident & CEO | Feb 20, 2024 | Feb 22, 2024 | F | 1,804 | $0.76 | $1,371 | 16,490 | No | Form 4 |
| Kontulis CaitlinSecretary & VP Finance & Admin | Feb 17, 2024 | Feb 20, 2024 | F | 523 | $0.66 | $345 | 10,978 | No | Form 4 |
| Kontulis CaitlinSecretary & VP Finance & Admin | Feb 15, 2024 | Feb 20, 2024 | F | 658 | $0.65 | $428 | 11,501 | No | Form 4 |
| Bitterman Robert JPresident & CEO | Oct 1, 2023 | Oct 3, 2023 | F | 917 | $1.51 | $1,385 | 18,294 | No | Form 4 |