Joshua Phillips
Insider
First SEC filing: July 14, 2021 · Latest: July 14, 2021
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 10, 2026 | SERA | A | 3,477 | · | · | 3,477 Direct | · | Acquired | (price as of 2026-10-05) |
| July 10, 2026 | SERA | A | 34,494 | · | · | 34,494 Direct | · | Acquired | (price as of 2026-10-05) |
| July 10, 2026 | SERA | A | 2,260 | · | · | 81,691 Direct | +2.85% | Acquired | (price as of 2026-10-05) |
| July 10, 2026 | SERA | A | 22,426 | · | · | 79,431 Direct | +39.34% | Acquired | (price as of 2026-10-05) |
| June 5, 2025 | SERA | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-05) |
| June 5, 2025 | SERA | A | 15,596 | · | · | 57,005 Direct | +37.66% | Acquired | (price as of 2026-10-05) |
| Jan. 14, 2025 | SERA | S 10b5-1 | 2,695 | $6.29 | $16,952 | 0 Indirect | -100.00% | Disposed | -68.2% (price as of 2026-10-05) |
| Jan. 14, 2025 | SERA | S 10b5-1 | 1,814 | $6.29 | $11,410 | 0 Indirect | -100.00% | Disposed | -68.2% (price as of 2026-10-05) |
| Jan. 14, 2025 | SERA | S 10b5-1 | 4,827 | $6.29 | $30,362 | 0 Indirect | -100.00% | Disposed | -68.2% (price as of 2026-10-05) |
| Jan. 14, 2025 | SERA | S 10b5-1 | 2 | $6.29 | $13 | 0 Indirect | -100.00% | Disposed | -68.2% (price as of 2026-10-05) |
| Jan. 13, 2025 | SERA | S 10b5-1 | 3,458 | $6.39 | $22,097 | 2,695 Indirect | -56.20% | Disposed | -68.7% (price as of 2026-10-05) |
| Jan. 13, 2025 | SERA | S 10b5-1 | 2,415 | $6.39 | $15,432 | 1,814 Indirect | -57.11% | Disposed | -68.7% (price as of 2026-10-05) |
| Jan. 13, 2025 | SERA | S 10b5-1 | 6,287 | $6.39 | $40,174 | 4,827 Indirect | -56.57% | Disposed | -68.7% (price as of 2026-10-05) |
| Jan. 13, 2025 | SERA | S 10b5-1 | 3 | $6.39 | $19 | 2 Indirect | -60.00% | Disposed | -68.7% (price as of 2026-10-05) |
| Jan. 10, 2025 | SERA | S 10b5-1 | 921 | $8.03 | $7,396 | 6,153 Indirect | -13.02% | Disposed | -75.1% (price as of 2026-10-05) |
| Jan. 10, 2025 | SERA | S 10b5-1 | 2,692 | $7.18 | $19,329 | 7,074 Indirect | -27.57% | Disposed | -72.1% (price as of 2026-10-05) |
| Jan. 10, 2025 | SERA | S 10b5-1 | 643 | $8.03 | $5,163 | 4,229 Indirect | -13.20% | Disposed | -75.1% (price as of 2026-10-05) |
| Jan. 10, 2025 | SERA | S 10b5-1 | 1,881 | $7.18 | $13,506 | 4,872 Indirect | -27.85% | Disposed | -72.1% (price as of 2026-10-05) |
| Jan. 10, 2025 | SERA | S 10b5-1 | 1,674 | $8.03 | $13,442 | 11,114 Indirect | -13.09% | Disposed | -75.1% (price as of 2026-10-05) |
| Jan. 10, 2025 | SERA | S 10b5-1 | 4,896 | $7.18 | $35,153 | 12,788 Indirect | -27.69% | Disposed | -72.1% (price as of 2026-10-05) |
| Jan. 10, 2025 | SERA | S 10b5-1 | 1 | $8.03 | $8 | 5 Indirect | -16.67% | Disposed | -75.1% (price as of 2026-10-05) |
| Jan. 10, 2025 | SERA | S 10b5-1 | 2 | $7.18 | $14 | 6 Indirect | -25.00% | Disposed | -72.1% (price as of 2026-10-05) |
| June 6, 2024 | SERA | A | 7,117 | · | · | 41,409 Direct | +20.75% | Acquired | (price as of 2026-10-05) |
| June 6, 2024 | SERA | A | 10,549 | · | · | 10,549 Direct | · | Acquired | (price as of 2026-10-05) |
| June 3, 2024 | SERA | J | 381,869 | · | · | 6,753 Indirect | -98.26% | Disposed | (price as of 2026-10-05) |
| June 3, 2024 | SERA | J | 156,332 | · | · | 9,766 Indirect | -94.12% | Disposed | (price as of 2026-10-05) |
| June 3, 2024 | SERA | J | 1,473 | · | · | 29,258 Direct | +5.30% | Acquired | (price as of 2026-10-05) |
| June 3, 2024 | SERA | J | 356,660 | · | · | 17,684 Indirect | -95.28% | Disposed | (price as of 2026-10-05) |
| June 3, 2024 | SERA | J | 2,297 | · | · | 2,297 Indirect | · | Acquired | (price as of 2026-10-05) |
| June 3, 2024 | SERA | J | 5,034 | · | · | 34,292 Direct | +17.21% | Acquired | (price as of 2026-10-05) |
| June 3, 2024 | SERA | J | 36,040 | · | · | 8 Indirect | -99.98% | Disposed | (price as of 2026-10-05) |
| June 8, 2023 | SERA | A | 63,265 | · | · | 63,265 Direct | · | Acquired | (price as of 2026-10-05) |
| June 3, 2022 | SERA | A | 149,675 | · | · | 149,675 Direct | · | Acquired | (price as of 2026-10-05) |
| July 19, 2021 | SERA | C | 3,713 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-05) |
| July 19, 2021 | SERA | C | 32,335 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-05) |
| July 19, 2021 | SERA | C | 160,601 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-05) |
| July 19, 2021 | SERA | C | 39,116 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-05) |
| July 19, 2021 | SERA | C | 47,857 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-05) |
| July 19, 2021 | SERA | C | 85,577 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-05) |
| July 19, 2021 | SERA | C | 41,193 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-05) |
| July 19, 2021 | SERA | C | 166,098 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-05) |
| July 19, 2021 | SERA | C | 24,942 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-05) |
| July 19, 2021 | SERA | C | 34,030 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-05) |
| July 19, 2021 | SERA | C | 19,240 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-05) |
| July 19, 2021 | SERA | C | 231,678 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-05) |
| July 19, 2021 | SERA | C | 41,182 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-05) |
| July 19, 2021 | SERA | C | 3,713 | · | · | 965,111 Indirect | +0.39% | Acquired | (price as of 2026-10-05) |
| July 19, 2021 | SERA | C | 32,335 | · | · | 961,398 Indirect | +3.48% | Acquired | (price as of 2026-10-05) |
| July 19, 2021 | SERA | C | 160,601 | · | · | 929,063 Indirect | +20.90% | Acquired | (price as of 2026-10-05) |
| July 19, 2021 | SERA | C | 39,116 | · | · | 768,462 Indirect | +5.36% | Acquired | (price as of 2026-10-05) |
| July 19, 2021 | SERA | C | 47,857 | · | · | 729,346 Indirect | +7.02% | Acquired | (price as of 2026-10-05) |
| July 19, 2021 | SERA | C | 85,577 | · | · | 681,489 Indirect | +14.36% | Acquired | (price as of 2026-10-05) |
| July 19, 2021 | SERA | C | 41,193 | · | · | 595,912 Indirect | +7.43% | Acquired | (price as of 2026-10-05) |
| July 19, 2021 | SERA | C | 166,098 | · | · | 554,719 Indirect | +42.74% | Acquired | (price as of 2026-10-05) |
| July 19, 2021 | SERA | C | 24,942 | · | · | 388,621 Indirect | +6.86% | Acquired | (price as of 2026-10-05) |
| July 19, 2021 | SERA | C | 34,030 | · | · | 363,679 Indirect | +10.32% | Acquired | (price as of 2026-10-05) |
| July 19, 2021 | SERA | C | 19,240 | · | · | 329,649 Indirect | +6.20% | Acquired | (price as of 2026-10-05) |
| July 19, 2021 | SERA | C | 231,678 | · | · | 310,409 Indirect | +294.27% | Acquired | (price as of 2026-10-05) |
| July 19, 2021 | SERA | C | 41,182 | · | · | 78,731 Indirect | +109.68% | Acquired | (price as of 2026-10-05) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| July 10, 2026 | SERA | Stock Option (right to buy) | Class A Common Stock | $1.97 | July 10, 2036 | 3,477 | Acquired |
| July 10, 2026 | SERA | Stock Option (right to buy) | Class A Common Stock | $1.97 | July 10, 2036 | 34,494 | Acquired |
| June 5, 2025 | SERA | Stock Option (right to buy) | Class A Common Stock | $1.60 | June 5, 2035 | 25,000 | Acquired |
| June 6, 2024 | SERA | Stock Option (right to buy) | Class A Common Stock | $8.43 | June 6, 2034 | 10,549 | Acquired |
| June 8, 2023 | SERA | Stock Option (right to buy) | Class A Common Stock | $3.00 | June 8, 2033 | 63,265 | Acquired |
| June 3, 2022 | SERA | Stock Option (right to buy) | Class A Common Stock | $1.35 | June 3, 2032 | 149,675 | Acquired |
| July 19, 2021 | SERA | Series D Preferred Stock | Class A Common Stock | · | · | 3,713 | Disposed |
| July 19, 2021 | SERA | Series C-1 Preferred Stock | Class A Common Stock | · | · | 32,335 | Disposed |
| July 19, 2021 | SERA | Series E Preferred Stock | Class A Common Stock | · | · | 160,601 | Disposed |
| July 19, 2021 | SERA | Series D Preferred Stock | Class A Common Stock | · | · | 39,116 | Disposed |
| July 19, 2021 | SERA | Series C-1 Preferred Stock | Class A Common Stock | · | · | 47,857 | Disposed |
| July 19, 2021 | SERA | Series B-2 Preferred Stock | Class A Common Stock | · | · | 85,577 | Disposed |
| July 19, 2021 | SERA | Series B-1 Preferred Stock | Class A Common Stock | · | · | 41,193 | Disposed |
| July 19, 2021 | SERA | Series A-2 Preferred Stock | Class A Common Stock | · | · | 166,098 | Disposed |
| July 19, 2021 | SERA | Series D Preferred Stock | Class A Common Stock | · | · | 24,942 | Disposed |
| July 19, 2021 | SERA | Series B-2 Preferred Stock | Class A Common Stock | · | · | 34,030 | Disposed |
| July 19, 2021 | SERA | Series B-1 Preferred Stock | Class A Common Stock | · | · | 19,240 | Disposed |
| July 19, 2021 | SERA | Series A-2 Preferred Stock | Class A Common Stock | · | · | 231,678 | Disposed |
| July 19, 2021 | SERA | Series A-1 Preferred Stock | Class A Common Stock | · | · | 41,182 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 20 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| July 14, 2021 | SERA | Class A Common Stock | 37,549 | Indirect |
| July 14, 2021 | SERA | Series A-1 Preferred Stock | 41,182 | Indirect |
| July 14, 2021 | SERA | Series A-2 Preferred Stock | 231,678 | Indirect |
| July 14, 2021 | SERA | Series B-1 Preferred Stock | 19,240 | Indirect |
| July 14, 2021 | SERA | Series B-2 Preferred Stock | 34,030 | Indirect |
| July 14, 2021 | SERA | Series D Preferred Stock | 24,942 | Indirect |
| July 14, 2021 | SERA | Series A-2 Preferred Stock | 166,098 | Indirect |
| July 14, 2021 | SERA | Series B-1 Preferred Stock | 41,193 | Indirect |
| July 14, 2021 | SERA | Series B-2 Preferred Stock | 85,577 | Indirect |
| July 14, 2021 | SERA | Series C-1 Preferred Stock | 47,857 | Indirect |
| July 14, 2021 | SERA | Series D Preferred Stock | 39,116 | Indirect |
| July 14, 2021 | SERA | Series E Preferred Stock | 160,601 | Indirect |
| July 14, 2021 | SERA | Series C-1 Preferred Stock | 32,335 | Indirect |
| July 14, 2021 | SERA | Series D Preferred Stock | 3,713 | Indirect |
| July 14, 2021 | SERA | Warrants (Right to Buy) | 9,779 | Indirect |
| July 14, 2021 | SERA | Warrants (Right to Buy) | 9,779 | Indirect |
| July 14, 2021 | SERA | Warrants (Right to Buy) | 6,235 | Indirect |
| July 14, 2021 | SERA | Warrants (Right to Buy) | 6,235 | Indirect |
| July 14, 2021 | SERA | Warrants (Right to Buy) | 928 | Indirect |
| July 14, 2021 | SERA | Warrants (Right to Buy) | 928 | Indirect |