Postma Robert W
CIK 1827847 · View on SEC EDGAR ↗
Insider
Activist
First SEC filing: March 22, 2021 · Latest: July 1, 2025
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 17 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
17 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 24, 2025 | TCRT | P | 600 | $4.49 | $2,694 | 600 Indirect | — | Acquired | -56.1% (price as of 2026-08-20) |
| April 11, 2025 | TCRT | P | 500 | $2.76 | $1,380 | 500 Indirect | — | Acquired | -28.6% (price as of 2026-08-20) |
| April 11, 2025 | TCRT | P | 500 | $2.76 | $1,380 | 500 Indirect | — | Acquired | -28.6% (price as of 2026-08-20) |
| Nov. 29, 2022 | TCRT | P | 750,000 | $0.65 | $487,500 | 5,000,000 Indirect | +17.65% | Acquired | -98.0% (price as of 2026-08-20) |
| Sept. 2, 2021 | TCRT | P | 54,492 | $1.73 | $94,271 | 4,250,000 Indirect | +1.30% | Acquired | -99.2% (price as of 2026-08-20) |
| Sept. 2, 2021 | TCRT | P | 20,508 | $1.73 | $35,479 | 1,201,870 Direct | +1.74% | Acquired | -99.2% (price as of 2026-08-20) |
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 3, 2025 | TCRT | Employee Stock Option (right to buy) | Common Stock (6,400) | $5.00 | July 3, 2035 | 6,400 | Acquired |
| June 24, 2025 | TCRT | Series A-2 Convertible Preferred Stock | Common Stock (133,630) | $4.49 | — | 600 | Acquired |
| April 11, 2025 | TCRT | Series A-1 Convertible Preferred Stock | Common Stock | $2.76 | — | 500 | Acquired |
| April 11, 2025 | TCRT | Series A-1 Convertible Preferred Stock | Common Stock | $2.76 | — | 500 | Acquired |
| June 6, 2024 | TCRT | Employee Stock Option (right to buy) | Common Stock (12,800) | $1.03 | June 5, 2034 | 12,800 | Acquired |
| June 6, 2023 | TCRT | Employee Stock Option (right to buy) | Common Stock (100,000) | $0.48 | June 5, 2033 | 100,000 | Acquired |
| June 22, 2022 | TCRT | Employee Stock Option (right to buy) | Common Stock (100,000) | $0.82 | June 21, 2032 | 100,000 | Acquired |
| June 22, 2022 | TCRT | Employee Stock Option (right to buy) | Common Stock (100,000) | $0.82 | June 21, 2032 | 100,000 | Acquired |
| March 4, 2021 | TCRT | Stock Option (right to buy) | Common Stock (18,750) | $4.31 | March 3, 2031 | 18,750 | Acquired |
| March 4, 2021 | TCRT | Stock Option (right to buy) | Common Stock (150,000) | $4.31 | March 3, 2031 | 150,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.