Songjiang Ma

CIK 1985547 · View on SEC EDGAR ↗

Insider Activist

First SEC filing: Nov. 22, 2023 · Latest: May 7, 2026

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 2 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

2 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
May 28, 2025 GYRE S 10b5-1 558 $10.07 $5,619 2,806,084 Indirect -0.02% Disposed -30.5% (price as of 2026-08-21)
May 27, 2025 GYRE S 10b5-1 2,000 $10.28 $20,560 2,806,642 Indirect -0.07% Disposed -32.0% (price as of 2026-08-21)
May 23, 2025 GYRE S 10b5-1 182 $10.24 $1,864 2,808,642 Indirect -0.01% Disposed -31.7% (price as of 2026-08-21)
May 22, 2025 GYRE S 10b5-1 2,000 $10.97 $21,940 2,808,824 Indirect -0.07% Disposed -36.2% (price as of 2026-08-21)
May 21, 2025 GYRE S 10b5-1 2,000 $10.83 $21,660 2,810,824 Indirect -0.07% Disposed -35.4% (price as of 2026-08-21)
May 20, 2025 GYRE S 10b5-1 2,000 $11.25 $22,500 2,812,824 Indirect -0.07% Disposed -37.8% (price as of 2026-08-21)
May 19, 2025 GYRE S 10b5-1 2,000 $11.11 $22,220 2,814,824 Indirect -0.07% Disposed -37.0% (price as of 2026-08-21)
May 16, 2025 GYRE S 10b5-1 2,000 $11.31 $22,620 2,816,824 Indirect -0.07% Disposed -38.2% (price as of 2026-08-21)
May 15, 2025 GYRE S 10b5-1 2,000 $10.68 $21,360 2,818,824 Indirect -0.07% Disposed -34.5% (price as of 2026-08-21)
May 14, 2025 GYRE S 10b5-1 20 $11.30 $226 2,820,824 Indirect 0.00% Disposed -38.1% (price as of 2026-08-21)
May 13, 2025 GYRE S 10b5-1 2,000 $11.37 $22,740 2,820,844 Indirect -0.07% Disposed -38.5% (price as of 2026-08-21)
May 12, 2025 GYRE S 10b5-1 2,000 $10.56 $21,120 2,822,844 Indirect -0.07% Disposed -33.8% (price as of 2026-08-21)
March 21, 2025 GYRE S 10b5-1 174 $10.00 $1,740 2,824,844 Indirect -0.01% Disposed -30.0% (price as of 2026-08-21)
March 20, 2025 GYRE S 10b5-1 2,000 $10.09 $20,180 2,825,018 Indirect -0.07% Disposed -30.7% (price as of 2026-08-21)
March 19, 2025 GYRE S 10b5-1 2,000 $10.13 $20,260 2,827,018 Indirect -0.07% Disposed -30.9% (price as of 2026-08-21)
March 18, 2025 GYRE S 10b5-1 242 $10.24 $2,478 2,829,018 Indirect -0.01% Disposed -31.7% (price as of 2026-08-21)
March 17, 2025 GYRE S 10b5-1 2,000 $12.09 $24,180 2,829,260 Indirect -0.07% Disposed -42.1% (price as of 2026-08-21)
March 14, 2025 GYRE S 10b5-1 2,000 $12.31 $24,620 2,831,260 Indirect -0.07% Disposed -43.2% (price as of 2026-08-21)
March 13, 2025 GYRE S 10b5-1 2,000 $11.80 $23,600 2,833,260 Indirect -0.07% Disposed -40.7% (price as of 2026-08-21)
March 12, 2025 GYRE S 10b5-1 2,000 $11.74 $23,480 2,835,260 Indirect -0.07% Disposed -40.4% (price as of 2026-08-21)
March 11, 2025 GYRE S 10b5-1 2,000 $11.40 $22,800 2,837,260 Indirect -0.07% Disposed -38.6% (price as of 2026-08-21)
March 10, 2025 GYRE S 10b5-1 2,000 $10.14 $20,280 2,839,260 Indirect -0.07% Disposed -31.0% (price as of 2026-08-21)
March 7, 2025 GYRE S 10b5-1 1,906 $10.13 $19,308 2,841,260 Indirect -0.07% Disposed -30.9% (price as of 2026-08-21)
March 7, 2025 GYRE S 10b5-1 41 $12.14 $498 2,843,166 Indirect 0.00% Disposed -42.4% (price as of 2026-08-21)
March 7, 2025 GYRE S 10b5-1 53 $13.03 $691 2,843,207 Indirect 0.00% Disposed -46.3% (price as of 2026-08-21)
March 6, 2025 GYRE S 10b5-1 2,000 $10.80 $21,600 2,843,260 Indirect -0.07% Disposed -35.2% (price as of 2026-08-21)
March 5, 2025 GYRE S 10b5-1 2,000 $10.98 $21,960 2,845,260 Indirect -0.07% Disposed -36.3% (price as of 2026-08-21)
March 4, 2025 GYRE S 10b5-1 2,000 $10.86 $21,720 2,847,260 Indirect -0.07% Disposed -35.6% (price as of 2026-08-21)
March 3, 2025 GYRE S 10b5-1 2,000 $11.23 $22,460 2,849,260 Indirect -0.07% Disposed -37.7% (price as of 2026-08-21)
Feb. 28, 2025 GYRE S 10b5-1 2,000 $11.41 $22,820 2,851,260 Indirect -0.07% Disposed -38.7% (price as of 2026-08-21)
Feb. 27, 2025 GYRE S 10b5-1 2,000 $11.33 $22,660 2,853,260 Indirect -0.07% Disposed -38.3% (price as of 2026-08-21)
Feb. 26, 2025 GYRE S 10b5-1 2,000 $11.63 $23,260 2,855,260 Indirect -0.07% Disposed -39.9% (price as of 2026-08-21)
Feb. 25, 2025 GYRE S 10b5-1 2,000 $11.37 $22,740 2,857,260 Indirect -0.07% Disposed -38.5% (price as of 2026-08-21)
Feb. 24, 2025 GYRE S 10b5-1 187 $11.52 $2,154 2,859,260 Indirect -0.01% Disposed -39.3% (price as of 2026-08-21)
Feb. 24, 2025 GYRE S 10b5-1 1,813 $10.60 $19,218 2,859,447 Indirect -0.06% Disposed -34.0% (price as of 2026-08-21)
Feb. 21, 2025 GYRE S 10b5-1 182 $12.60 $2,293 2,861,260 Indirect -0.01% Disposed -44.5% (price as of 2026-08-21)
Feb. 21, 2025 GYRE S 10b5-1 1,818 $11.84 $21,525 2,861,442 Indirect -0.06% Disposed -40.9% (price as of 2026-08-21)
Feb. 20, 2025 GYRE S 10b5-1 2,000 $12.40 $24,800 2,863,260 Indirect -0.07% Disposed -43.6% (price as of 2026-08-21)
Feb. 19, 2025 GYRE S 10b5-1 2,000 $12.29 $24,580 2,865,260 Indirect -0.07% Disposed -43.1% (price as of 2026-08-21)
Feb. 18, 2025 GYRE S 10b5-1 2,000 $12.49 $24,980 2,867,260 Indirect -0.07% Disposed -44.0% (price as of 2026-08-21)
Feb. 14, 2025 GYRE S 10b5-1 2,000 $11.94 $23,880 2,869,260 Indirect -0.07% Disposed -41.4% (price as of 2026-08-21)
Feb. 13, 2025 GYRE S 10b5-1 2,000 $11.69 $23,380 2,871,260 Indirect -0.07% Disposed -40.2% (price as of 2026-08-21)
Feb. 12, 2025 GYRE S 10b5-1 2,000 $11.49 $22,980 2,873,260 Indirect -0.07% Disposed -39.1% (price as of 2026-08-21)
Feb. 11, 2025 GYRE S 10b5-1 1,878 $11.52 $21,635 2,875,260 Indirect -0.07% Disposed -39.3% (price as of 2026-08-21)
Feb. 10, 2025 GYRE S 10b5-1 2,000 $11.90 $23,800 2,877,138 Indirect -0.07% Disposed -41.2% (price as of 2026-08-21)
Feb. 7, 2025 GYRE S 10b5-1 2,000 $12.16 $24,320 2,879,158 Indirect -0.07% Disposed -42.5% (price as of 2026-08-21)
Feb. 6, 2025 GYRE S 10b5-1 2,000 $12.85 $25,700 2,881,138 Indirect -0.07% Disposed -45.6% (price as of 2026-08-21)
Feb. 5, 2025 GYRE S 10b5-1 20 $12.84 $257 2,883,138 Indirect 0.00% Disposed -45.5% (price as of 2026-08-21)
Feb. 5, 2025 GYRE S 10b5-1 1,980 $12.39 $24,532 2,883,158 Indirect -0.07% Disposed -43.5% (price as of 2026-08-21)
Feb. 4, 2025 GYRE S 10b5-1 2,000 $11.62 $23,240 2,885,138 Indirect -0.07% Disposed -39.8% (price as of 2026-08-21)
Feb. 3, 2025 GYRE S 10b5-1 2,000 $11.47 $22,940 2,887,138 Indirect -0.07% Disposed -39.0% (price as of 2026-08-21)
Jan. 31, 2025 GYRE S 10b5-1 2,000 $11.51 $23,020 2,889,138 Indirect -0.07% Disposed -39.2% (price as of 2026-08-21)
Jan. 30, 2025 GYRE S 10b5-1 2,000 $11.37 $22,740 2,891,138 Indirect -0.07% Disposed -38.5% (price as of 2026-08-21)
Jan. 29, 2025 GYRE S 10b5-1 2,000 $11.43 $22,860 2,893,138 Indirect -0.07% Disposed -38.8% (price as of 2026-08-21)
Jan. 28, 2025 GYRE S 10b5-1 2,000 $11.51 $23,020 2,895,138 Indirect -0.07% Disposed -39.2% (price as of 2026-08-21)
Jan. 27, 2025 GYRE S 10b5-1 2,000 $11.18 $22,360 2,897,138 Indirect -0.07% Disposed -37.4% (price as of 2026-08-21)
Jan. 24, 2025 GYRE S 10b5-1 2,000 $10.89 $21,780 2,899,138 Indirect -0.07% Disposed -35.8% (price as of 2026-08-21)
Jan. 23, 2025 GYRE S 10b5-1 2,000 $10.49 $20,980 2,901,138 Indirect -0.07% Disposed -33.3% (price as of 2026-08-21)
Jan. 22, 2025 GYRE S 10b5-1 2,000 $10.63 $21,260 2,903,138 Indirect -0.07% Disposed -34.2% (price as of 2026-08-21)
Jan. 21, 2025 GYRE S 10b5-1 2,000 $10.85 $21,700 2,905,138 Indirect -0.07% Disposed -35.5% (price as of 2026-08-21)
Jan. 17, 2025 GYRE S 10b5-1 2,000 $10.72 $21,440 2,907,138 Indirect -0.07% Disposed -34.7% (price as of 2026-08-21)
Jan. 16, 2025 GYRE S 10b5-1 2,000 $10.71 $21,420 2,909,138 Indirect -0.07% Disposed -34.7% (price as of 2026-08-21)
Jan. 15, 2025 GYRE S 10b5-1 2,000 $10.85 $21,700 2,911,138 Indirect -0.07% Disposed -35.5% (price as of 2026-08-21)
Jan. 14, 2025 GYRE S 10b5-1 2,000 $10.39 $20,780 2,913,138 Indirect -0.07% Disposed -32.7% (price as of 2026-08-21)
Jan. 13, 2025 GYRE S 10b5-1 56 $10.10 $566 2,915,138 Indirect 0.00% Disposed -30.7% (price as of 2026-08-21)
Jan. 10, 2025 GYRE S 10b5-1 1,057 $10.02 $10,591 2,915,194 Indirect -0.04% Disposed -30.2% (price as of 2026-08-21)
Jan. 7, 2025 GYRE S 10b5-1 1,275 $10.02 $12,776 2,916,251 Indirect -0.04% Disposed -30.2% (price as of 2026-08-21)
Jan. 6, 2025 GYRE S 10b5-1 941 $10.16 $9,561 2,917,526 Indirect -0.03% Disposed -31.2% (price as of 2026-08-21)
Jan. 3, 2025 GYRE S 833 $11.85 $9,871 2,918,467 Indirect -0.03% Disposed -41.0% (price as of 2026-08-21)
Jan. 3, 2025 GYRE S 10b5-1 1,167 $11.03 $12,872 2,919,300 Indirect -0.04% Disposed -36.6% (price as of 2026-08-21)
Jan. 2, 2025 GYRE S 10b5-1 2,000 $12.40 $24,800 2,920,467 Indirect -0.07% Disposed -43.6% (price as of 2026-08-21)
Dec. 31, 2024 GYRE S 10b5-1 2,000 $12.30 $24,600 2,922,467 Indirect -0.07% Disposed -43.1% (price as of 2026-08-21)
Dec. 30, 2024 GYRE S 10b5-1 2,000 $12.50 $25,000 2,924,467 Indirect -0.07% Disposed -44.0% (price as of 2026-08-21)
Dec. 27, 2024 GYRE S 10b5-1 2,000 $12.58 $25,160 2,926,467 Indirect -0.07% Disposed -44.4% (price as of 2026-08-21)
Dec. 26, 2024 GYRE S 10b5-1 356 $13.05 $4,646 2,928,467 Indirect -0.01% Disposed -46.4% (price as of 2026-08-21)
Dec. 26, 2024 GYRE S 10b5-1 1,644 $12.62 $20,747 2,928,823 Indirect -0.06% Disposed -44.6% (price as of 2026-08-21)
Dec. 24, 2024 GYRE S 10b5-1 2,000 $11.93 $23,860 2,930,467 Indirect -0.07% Disposed -41.4% (price as of 2026-08-21)
Dec. 23, 2024 GYRE S 10b5-1 296 $12.44 $3,682 2,932,467 Indirect -0.01% Disposed -43.8% (price as of 2026-08-21)
Dec. 23, 2024 GYRE S 10b5-1 1,704 $12.24 $20,857 2,932,763 Indirect -0.06% Disposed -42.9% (price as of 2026-08-21)
Dec. 20, 2024 GYRE S 10b5-1 2,000 $10.90 $21,800 2,934,467 Indirect -0.07% Disposed -35.8% (price as of 2026-08-21)
Dec. 19, 2024 GYRE S 10b5-1 2,000 $10.82 $21,640 2,936,467 Indirect -0.07% Disposed -35.4% (price as of 2026-08-21)
Dec. 18, 2024 GYRE S 10b5-1 429 $12.11 $5,195 2,938,467 Indirect -0.01% Disposed -42.2% (price as of 2026-08-21)
Dec. 18, 2024 GYRE S 10b5-1 1,571 $11.17 $17,548 2,938,896 Indirect -0.05% Disposed -37.4% (price as of 2026-08-21)
Dec. 17, 2024 GYRE S 10b5-1 788 $11.23 $8,849 2,940,467 Indirect -0.03% Disposed -37.7% (price as of 2026-08-21)
Dec. 17, 2024 GYRE S 10b5-1 1,212 $10.94 $13,259 2,941,255 Indirect -0.04% Disposed -36.1% (price as of 2026-08-21)
Jan. 3, 2024 GYRE S 10b5-1 833 $11.85 $9,871 2,918,467 Indirect -0.03% Disposed -41.0% (price as of 2026-08-21)

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
Aug. 14, 2024 GYRE Stock Option (Right to Buy) Common Stock (26,000) $9.98 Aug. 14, 2034 26,000 Acquired
Nov. 20, 2023 GYRE Stock Option (Right to Buy) Common Stock (4,510,047) Oct. 31, 2030 4,510,047 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 1 holding

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
Nov. 22, 2023 GYRE Common Stock 2,942,467 Indirect