Patrick Lin
Insider
First SEC filing: Oct. 5, 2020 · Latest: June 16, 2026
Insider at
Insider transactions
7 buys (P)
0 sells (S)
Net: $28,465
Avg return of open purchases vs now: -35.7%
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 26, 2026 | PCSA | A | 8,450 | · | · | 11,389 Direct | +287.51% | Acquired | (price as of 2026-10-02) |
| June 30, 2026 | PCSA | P | 2,106 | $1.93 | $4,065 | 13,113 Direct | +19.13% | Acquired | -16.6% (price as of 2026-10-02) |
| June 15, 2026 | PCSA | P | 1,831 | $2.22 | $4,065 | 11,007 Direct | +19.95% | Acquired | -27.5% (price as of 2026-10-02) |
| May 29, 2026 | PCSA | P | 1,582 | $2.57 | $4,066 | 9,176 Direct | +20.83% | Acquired | -37.4% (price as of 2026-10-02) |
| May 15, 2026 | PCSA | P | 1,369 | $2.97 | $4,066 | 7,594 Direct | +21.99% | Acquired | -45.8% (price as of 2026-10-02) |
| April 30, 2026 | PCSA | P | 1,511 | $2.69 | $4,065 | 6,236 Direct | +31.98% | Acquired | -40.1% (price as of 2026-10-02) |
| April 15, 2026 | PCSA | P | 1,369 | $2.97 | $4,066 | 4,725 Direct | +40.79% | Acquired | -45.8% (price as of 2026-10-02) |
| March 31, 2026 | PCSA | P | 1,603 | $2.54 | $4,072 | 3,356 Direct | +91.44% | Acquired | -36.6% (price as of 2026-10-02) |
| Jan. 1, 2026 | PCSA | M | 193 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 1, 2026 | PCSA | M | 193 | · | · | 1,753 Direct | +12.37% | Acquired | (price as of 2026-10-02) |
| Oct. 1, 2025 | PCSA | A | 204,000 | · | · | 204,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 1, 2025 | PCSA | A | 68,000 | · | · | 68,000 Direct | · | Acquired | (price as of 2026-10-02) |
| July 24, 2025 | PCSA | A | 1,401,650 | · | · | 1,412,082 Direct | +13436.06% | Acquired | (price as of 2026-10-02) |
| April 1, 2025 | PCSA | F | 4,814 | $0.41 | $1,974 | 38,727 Direct | -11.06% | Disposed | -84.3% (price as of 2026-10-02) |
| April 1, 2025 | PCSA | M | 14,482 | · | · | 43,541 Direct | +49.84% | Acquired | (price as of 2026-10-02) |
| Jan. 29, 2025 | PCSA | A | 21,750 | · | · | 21,750 Indirect | · | Acquired | (price as of 2026-10-02) |
| Jan. 29, 2025 | PCSA | A | 43,500 | · | · | 43,500 Indirect | · | Acquired | (price as of 2026-10-02) |
| Jan. 27, 2025 | PCSA | P | 43,500 | $0.80 | $34,800 | 43,500 Indirect | · | Acquired | -92.0% (price as of 2026-10-02) |
| July 10, 2024 | PCSA | F | 271 | $1.71 | $463 | 29,059 Direct | -0.92% | Disposed | -96.2% (price as of 2026-10-02) |
| July 10, 2024 | PCSA | M | 644 | · | · | 29,330 Direct | +2.24% | Acquired | (price as of 2026-10-02) |
| June 28, 2024 | PCSA | A | 339 | · | · | 24,914 Direct | +1.38% | Acquired | (price as of 2026-10-02) |
| June 28, 2024 | PCSA | A | 339 | · | · | 24,575 Direct | +1.40% | Acquired | (price as of 2026-10-02) |
| June 28, 2024 | PCSA | A | 2,035 | · | · | 24,236 Direct | +9.17% | Acquired | (price as of 2026-10-02) |
| June 28, 2024 | PCSA | A | 2,713 | · | · | 22,201 Direct | +13.92% | Acquired | (price as of 2026-10-02) |
| April 5, 2024 | PCSA | F | 539 | $2.79 | $1,504 | 28,686 Direct | -1.84% | Disposed | -97.7% (price as of 2026-10-02) |
| April 5, 2024 | PCSA | M | 1,675 | · | · | 29,225 Direct | +6.08% | Acquired | (price as of 2026-10-02) |
| Feb. 1, 2024 | PCSA | P | 1,500 | $2.40 | $3,600 | 27,478 Direct | +5.77% | Acquired | -97.3% (price as of 2026-10-02) |
| Jan. 31, 2024 | PCSA | P | 2,500 | $2.37 | $5,925 | 25,978 Direct | +10.65% | Acquired | -97.3% (price as of 2026-10-02) |
| Jan. 1, 2024 | PCSA | M | 1,675 | · | · | 20,132 Direct | -7.68% | Disposed | (price as of 2026-10-02) |
| Jan. 1, 2024 | PCSA | F | 539 | $2.79 | $1,504 | 28,614 Direct | -1.85% | Disposed | -99.9% (price as of 2026-10-02) |
| Jan. 1, 2024 | PCSA | M | 1,675 | · | · | 29,153 Direct | +6.10% | Acquired | (price as of 2026-10-02) |
| Oct. 12, 2023 | PCSA | A | 5,000 | $0.32 | $1,600 | 469,535 Direct | +1.08% | Acquired | -99.0% (price as of 2026-10-02) |
| Oct. 10, 2023 | PCSA | A | 13,700 | $0.21 | $2,877 | 464,535 Direct | +3.04% | Acquired | -98.5% (price as of 2026-10-02) |
| Feb. 9, 2023 | PCSA | A | 12,500 | $0.80 | $10,000 | 450,835 Direct | +2.85% | Acquired | -99.6% (price as of 2026-10-02) |
| Jan. 1, 2023 | PCSA | A | 55,107 | · | · | 399,638 Direct | +15.99% | Acquired | (price as of 2026-10-02) |
| Jan. 1, 2023 | PCSA | A | 40,690 | · | · | 440,328 Direct | +10.18% | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2022 | PCSA | A | 10,851 | · | · | 344,531 Direct | +3.25% | Acquired | (price as of 2026-10-02) |
| Sept. 30, 2022 | PCSA | A | 10,850 | · | · | 333,680 Direct | +3.36% | Acquired | (price as of 2026-10-02) |
| Aug. 5, 2022 | PCSA | M | 7,601 | · | · | 440,991 Direct | +1.75% | Acquired | (price as of 2026-10-02) |
| Aug. 5, 2022 | PCSA | F | 2,656 | $3.17 | $8,420 | 438,335 Direct | -0.60% | Disposed | -99.9% (price as of 2026-10-02) |
| June 30, 2022 | PCSA | A | 20,064 | · | · | 322,830 Direct | +6.63% | Acquired | (price as of 2026-10-02) |
| May 17, 2022 | PCSA | P | 2,000 | $1.59 | $3,180 | 433,390 Direct | +0.46% | Acquired | -99.8% (price as of 2026-10-02) |
| April 7, 2022 | PCSA | P | 800 | $3.54 | $2,832 | 431,390 Direct | +0.19% | Acquired | -99.9% (price as of 2026-10-02) |
| April 6, 2022 | PCSA | P | 1,200 | $3.13 | $3,756 | 430,590 Direct | +0.28% | Acquired | -99.9% (price as of 2026-10-02) |
| April 1, 2022 | PCSA | A | 247,841 | · | · | 302,766 Direct | +451.24% | Acquired | (price as of 2026-10-02) |
| March 31, 2022 | PCSA | A | 10,715 | · | · | 37,781 Direct | +39.59% | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2021 | PCSA | A | 6,722 | · | · | 22,780 Direct | +41.86% | Acquired | (price as of 2026-10-02) |
| Dec. 14, 2021 | PCSA | P | 3,000 | $4.00 | $12,000 | 429,390 Direct | +0.70% | Acquired | -99.9% (price as of 2026-10-02) |
| Dec. 14, 2021 | PCSA | P | 3,000 | $4.00 | $12,000 | 429,390 Direct | +0.70% | Acquired | -99.9% (price as of 2026-10-02) |
| Dec. 3, 2021 | PCSA | P | 3,500 | $4.80 | $16,800 | 426,390 Direct | +0.83% | Acquired | -99.9% (price as of 2026-10-02) |
| Nov. 1, 2021 | PCSA | A | 4,286 | · | · | 27,066 Direct | +18.81% | Acquired | (price as of 2026-10-02) |
| Sept. 30, 2021 | PCSA | A | 6,024 | · | · | 16,058 Direct | -27.28% | Disposed | (price as of 2026-10-02) |
| Sept. 30, 2021 | PCSA | A | 6,024 | · | · | 6,024 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Aug. 26, 2021 | PCSA | P | 4,000 | $6.02 | $24,080 | 422,890 Direct | +0.95% | Acquired | -99.9% (price as of 2026-10-02) |
| Aug. 5, 2021 | PCSA | A | 7,601 | · | · | 418,890 Direct | +1.85% | Acquired | (price as of 2026-10-02) |
| July 8, 2021 | PCSA | A | 8,572 | · | · | 8,572 Direct | · | Acquired | (price as of 2026-10-02) |
| July 8, 2021 | PCSA | A | 12,858 | · | · | 12,858 Direct | · | Acquired | (price as of 2026-10-02) |
| July 8, 2021 | PCSA | A | 1,907 | · | · | 10,034 Direct | +23.46% | Acquired | (price as of 2026-10-02) |
| June 21, 2021 | PCSA | P | 2,000 | $6.65 | $13,300 | 401,737 Direct | +0.50% | Acquired | -100.0% (price as of 2026-10-02) |
| June 8, 2021 | PCSA | A | 8,127 | · | · | 8,127 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 1, 2020 | PCSA | P | 31,250 | $4.00 | $125,000 | 399,737 Direct | +8.48% | Acquired | -99.9% (price as of 2026-10-02) |
| Oct. 1, 2020 | PCSA | P | 31,250 | $2.10 | $65,625 | 399,737 Direct | +8.48% | Acquired | -99.8% (price as of 2026-10-02) |
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 26, 2026 | PCSA | Restricted Stock Units | Common Stock | $0.00 | · | 8,450 | Acquired |
| Jan. 1, 2026 | PCSA | Common Stock | Common Stock | $0.00 | · | 193 | Disposed |
| Oct. 1, 2025 | PCSA | Stock Options (Right to Buy) | Common Stock | $0.20 | · | 204,000 | Acquired |
| Oct. 1, 2025 | PCSA | Restricted Stock Units | Common Stock | $0.00 | · | 68,000 | Acquired |
| July 24, 2025 | PCSA | Restricted Stock Units | Common Stock | $0.00 | · | 1,401,650 | Acquired |
| Jan. 29, 2025 | PCSA | Warrants | Common Stock | $0.65 | Jan. 29, 2030 | 21,750 | Acquired |
| Jan. 29, 2025 | PCSA | Warrants | Common Stock | $0.65 | Jan. 29, 2030 | 43,500 | Acquired |
| June 28, 2024 | PCSA | Restricted Stock Units | Common Stock | $0.00 | · | 339 | Acquired |
| June 28, 2024 | PCSA | Restricted Stock Units | Common Stock | $0.00 | · | 339 | Acquired |
| June 28, 2024 | PCSA | Restricted Stock Units | Common Stock | $0.00 | · | 2,035 | Acquired |
| June 28, 2024 | PCSA | Restricted Stock Units | Common Stock | $0.00 | · | 2,713 | Acquired |
| Jan. 1, 2024 | PCSA | Restricted Stock Units | Common Stock | $0.00 | · | 1,675 | Disposed |
| Jan. 1, 2023 | PCSA | Restricted Stock Units | Common Stock | $0.00 | · | 55,107 | Acquired |
| Jan. 1, 2023 | PCSA | Restricted Stock Units | Common Stock | $0.00 | · | 40,690 | Acquired |
| Dec. 31, 2022 | PCSA | Restricted Stock Units | Common Stock | $0.00 | · | 10,851 | Acquired |
| Sept. 30, 2022 | PCSA | Restricted Stock Units | Common Stock | $0.00 | · | 10,850 | Acquired |
| June 30, 2022 | PCSA | Restricted Stock Units | Common Stock | $0.00 | · | 20,064 | Acquired |
| April 1, 2022 | PCSA | Restricted Stock Units | Common Stock | $0.00 | · | 247,841 | Acquired |
| March 31, 2022 | PCSA | Restricted Stock Units | Common Stock | $0.00 | · | 10,715 | Acquired |
| Dec. 31, 2021 | PCSA | Restricted Stock Units | Common Stock | $0.00 | · | 6,722 | Acquired |
| Nov. 1, 2021 | PCSA | Restricted Stock Units | Common Stock | $0.00 | · | 4,286 | Acquired |
| Sept. 30, 2021 | PCSA | Restricted Stock Units | Common Stock | $0.00 | · | 6,024 | Disposed |
| Sept. 30, 2021 | PCSA | Restricted Stock Units | Common Stock | $0.00 | · | 6,024 | Disposed |
| July 8, 2021 | PCSA | Restricted Stock Units | Common Stock | $0.00 | · | 8,572 | Acquired |
| July 8, 2021 | PCSA | Restricted Stock Units | Common Stock | $0.00 | · | 12,858 | Acquired |
| July 8, 2021 | PCSA | Restricted Stock Units | Common Stock | $0.00 | · | 1,907 | Acquired |
| June 8, 2021 | PCSA | Restricted Stock Units | Common Stock | $0.00 | · | 8,127 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Oct. 5, 2020 | PCSA | Warrants (Right to Buy) | 4,469 | Direct |
| Oct. 2, 2020 | PCSA | Common Stock | 368,487 | Direct |
| Oct. 2, 2020 | PCSA | Stock Options (Right to buy) | 7,859 | Direct |
| Oct. 2, 2020 | PCSA | Stock Options (Right to buy) | 8,664 | Direct |
| Oct. 2, 2020 | PCSA | Warrants (Right to Buy) | 4,469 | Direct |